+/*
+ * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
+/**
+ * @file
+ * @brief This file implements the IR transformation from firm into ia32-Firm.
+ * @author Christian Wuerdig, Matthias Braun
+ * @version $Id$
+ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
+#include <limits.h>
+
+#include "irargs_t.h"
#include "irnode_t.h"
#include "irgraph_t.h"
#include "irmode_t.h"
+#include "iropt_t.h"
+#include "irop_t.h"
+#include "irprog_t.h"
+#include "iredges_t.h"
#include "irgmod.h"
-#include "iredges.h"
#include "irvrfy.h"
#include "ircons.h"
+#include "irgwalk.h"
#include "dbginfo.h"
-#include "iropt_t.h"
+#include "irprintf.h"
#include "debug.h"
-
+#include "irdom.h"
+#include "type.h"
+#include "entity.h"
+#include "archop.h" /* we need this for Min and Max nodes */
+#include "error.h"
+#include "cgana.h"
+#include "irouts.h"
+#include "trouts.h"
+#include "irhooks.h"
+
+#include "../benode_t.h"
+#include "../besched.h"
+#include "../beabi.h"
+#include "../beutil.h"
+#include "../beirg_t.h"
+
+#include "bearch_ia32_t.h"
#include "ia32_nodes_attr.h"
-#include "../arch/archop.h" /* we need this for Min and Max nodes */
#include "ia32_transform.h"
#include "ia32_new_nodes.h"
+#include "ia32_map_regs.h"
+#include "ia32_dbg_stat.h"
+#include "ia32_optimize.h"
+#include "ia32_util.h"
#include "gen_ia32_regalloc_if.h"
+#define SFP_SIGN "0x80000000"
+#define DFP_SIGN "0x8000000000000000"
+#define SFP_ABS "0x7FFFFFFF"
+#define DFP_ABS "0x7FFFFFFFFFFFFFFF"
+
+#define TP_SFP_SIGN "ia32_sfp_sign"
+#define TP_DFP_SIGN "ia32_dfp_sign"
+#define TP_SFP_ABS "ia32_sfp_abs"
+#define TP_DFP_ABS "ia32_dfp_abs"
+
+#define ENT_SFP_SIGN "IA32_SFP_SIGN"
+#define ENT_DFP_SIGN "IA32_DFP_SIGN"
+#define ENT_SFP_ABS "IA32_SFP_ABS"
+#define ENT_DFP_ABS "IA32_DFP_ABS"
+
+#define mode_vfp (ia32_reg_classes[CLASS_ia32_vfp].mode)
+#define mode_xmm (ia32_reg_classes[CLASS_ia32_xmm].mode)
+
+DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
+
+typedef struct ia32_transform_env_t {
+ ir_graph *irg; /**< The irg, the node should be created in */
+ ia32_code_gen_t *cg; /**< The code generator */
+ int visited; /**< visited count that indicates whether a
+ node is already transformed */
+ pdeq *worklist; /**< worklist of nodes that still need to be
+ transformed */
+ ir_node **old_anchors;/**< the list of anchors nodes in the old irg*/
+} ia32_transform_env_t;
+
extern ir_op *get_op_Mulh(void);
-static int maxnum_gpreg_args = 3; /* maximum number of int arguments passed in registers; default 3 */
-static int maxnum_fpreg_args = 5; /* maximum number of float arguments passed in registers; default 5 */
-
-static const arch_register_req_t **current_gpreg_param_req;
-static const arch_register_req_t **current_fpreg_param_req;
-
-/* this is the order of the assigned registers usesd for parameter passing */
-
-const arch_register_req_t *gpreg_param_req_std[] = {
- &ia32_default_req_ia32_general_purpose_eax,
- &ia32_default_req_ia32_general_purpose_ecx,
- &ia32_default_req_ia32_general_purpose_edx,
- &ia32_default_req_ia32_general_purpose_ebx,
- &ia32_default_req_ia32_general_purpose_edi,
- &ia32_default_req_ia32_general_purpose_esi
-};
-
-const arch_register_req_t *gpreg_param_req_this[] = {
- &ia32_default_req_ia32_general_purpose_ecx,
- &ia32_default_req_ia32_general_purpose_eax,
- &ia32_default_req_ia32_general_purpose_edx,
- &ia32_default_req_ia32_general_purpose_ebx,
- &ia32_default_req_ia32_general_purpose_edi,
- &ia32_default_req_ia32_general_purpose_esi
-};
-
-const arch_register_req_t *fpreg_param_req_std[] = {
- &ia32_default_req_ia32_floating_point_xmm0,
- &ia32_default_req_ia32_floating_point_xmm1,
- &ia32_default_req_ia32_floating_point_xmm2,
- &ia32_default_req_ia32_floating_point_xmm3,
- &ia32_default_req_ia32_floating_point_xmm4,
- &ia32_default_req_ia32_floating_point_xmm5,
- &ia32_default_req_ia32_floating_point_xmm6,
- &ia32_default_req_ia32_floating_point_xmm7
-};
-
-const arch_register_req_t *fpreg_param_req_this[] = {
- NULL, /* in case of a "this" pointer, the first parameter must not be a float */
- &ia32_default_req_ia32_floating_point_xmm0,
- &ia32_default_req_ia32_floating_point_xmm1,
- &ia32_default_req_ia32_floating_point_xmm2,
- &ia32_default_req_ia32_floating_point_xmm3,
- &ia32_default_req_ia32_floating_point_xmm4,
- &ia32_default_req_ia32_floating_point_xmm5,
- &ia32_default_req_ia32_floating_point_xmm6,
- &ia32_default_req_ia32_floating_point_xmm7
-};
+typedef ir_node *construct_binop_func(dbg_info *db, ir_graph *irg,
+ ir_node *block, ir_node *base, ir_node *index, ir_node *op1,
+ ir_node *op2, ir_node *mem);
+typedef ir_node *construct_unop_func(dbg_info *db, ir_graph *irg,
+ ir_node *block, ir_node *base, ir_node *index, ir_node *op,
+ ir_node *mem);
+typedef ir_node *(transform_func)(ia32_transform_env_t *env, ir_node *node);
/****************************************************************************************************
* _ _ __ _ _
*
****************************************************************************************************/
+static ir_node *duplicate_node(ia32_transform_env_t *env, ir_node *node);
+static ir_node *transform_node(ia32_transform_env_t *env, ir_node *node);
+static void duplicate_deps(ia32_transform_env_t *env, ir_node *old_node,
+ ir_node *new_node);
+static INLINE int mode_needs_gp_reg(ir_mode *mode)
+{
+ if(mode == mode_fpcw)
+ return 0;
-/* determine if one operator is an Imm */
-static ir_node *get_immediate_op(ir_node *op1, ir_node *op2) {
- if (op1)
- return is_ia32_Const(op1) ? op1 : (is_ia32_Const(op2) ? op2 : NULL);
- else return is_ia32_Const(op2) ? op2 : NULL;
+ return mode_is_int(mode) || mode_is_character(mode) || mode_is_reference(mode);
}
-/* determine if one operator is not an Imm */
-static ir_node *get_expr_op(ir_node *op1, ir_node *op2) {
- return !is_ia32_Const(op1) ? op1 : (!is_ia32_Const(op2) ? op2 : NULL);
+static INLINE void set_new_node(ir_node *old_node, ir_node *new_node)
+{
+ set_irn_link(old_node, new_node);
}
+static INLINE ir_node *get_new_node(ir_node *old_node)
+{
+ assert(irn_visited(old_node));
+ return (ir_node*) get_irn_link(old_node);
+}
+/**
+ * Returns 1 if irn is a Const representing 0, 0 otherwise
+ */
+static INLINE int is_ia32_Const_0(ir_node *irn) {
+ return is_ia32_irn(irn) && is_ia32_Const(irn) && get_ia32_immop_type(irn) == ia32_ImmConst
+ && tarval_is_null(get_ia32_Immop_tarval(irn));
+}
/**
- * Creates an ia32 Add with immediate.
- *
- * @param dbg firm dbg
- * @param block the block the new node should belong to
- * @param expr_op operator
- * @param mode node mode
- * @return the created ia23 Add_i node
- */
-static ir_node *gen_imm_Add(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *expr_op, ir_node *const_op, ir_mode *mode) {
- ir_node *new_op;
- tarval *tv = get_ia32_Immop_tarval(const_op);
- int normal_add = 0;
- tarval_classification_t class_tv, class_negtv;
-
- /* const_op: tarval or SymConst? */
- if (tv) {
- /* optimize tarvals */
- class_tv = classify_tarval(tv);
- class_negtv = classify_tarval(tarval_neg(tv));
-
- if (class_tv == TV_CLASSIFY_ONE) { /* + 1 == INC */
- DBG((mod, LEVEL_2, "optimizing Add(1) to Inc ... "));
- new_op = new_rd_ia32_Inc(dbg, current_ir_graph, block, expr_op, mode);
- }
- else if (class_tv == TV_CLASSIFY_ALL_ONE || class_negtv == TV_CLASSIFY_ONE) { /* + (-1) == DEC */
- DBG((mod, LEVEL_2, "optimizing Add(-1) to Dec ... "));
- new_op = new_rd_ia32_Dec(dbg, current_ir_graph, block, expr_op, mode);
- }
- else
- normal_add = 1;
- }
- else
- normal_add = 1;
+ * Returns 1 if irn is a Const representing 1, 0 otherwise
+ */
+static INLINE int is_ia32_Const_1(ir_node *irn) {
+ return is_ia32_irn(irn) && is_ia32_Const(irn) && get_ia32_immop_type(irn) == ia32_ImmConst
+ && tarval_is_one(get_ia32_Immop_tarval(irn));
+}
- if (normal_add)
- new_op = new_rd_ia32_Lea_i(dbg, current_ir_graph, block, expr_op, mode);
+/**
+ * Collects all Projs of a node into the node array. Index is the projnum.
+ * BEWARE: The caller has to assure the appropriate array size!
+ */
+static void ia32_collect_Projs(ir_node *irn, ir_node **projs, int size) {
+ const ir_edge_t *edge;
+ assert(get_irn_mode(irn) == mode_T && "need mode_T");
- return new_op;
+ memset(projs, 0, size * sizeof(projs[0]));
+
+ foreach_out_edge(irn, edge) {
+ ir_node *proj = get_edge_src_irn(edge);
+ int proj_proj = get_Proj_proj(proj);
+ assert(proj_proj < size);
+ projs[proj_proj] = proj;
+ }
}
/**
- * Creates an ia32 Add.
+ * Renumbers the proj having pn_old in the array tp pn_new
+ * and removes the proj from the array.
+ */
+static INLINE void ia32_renumber_Proj(ir_node **projs, long pn_old, long pn_new) {
+ fprintf(stderr, "Warning: renumber_Proj used!\n");
+ if (projs[pn_old]) {
+ set_Proj_proj(projs[pn_old], pn_new);
+ projs[pn_old] = NULL;
+ }
+}
+
+/**
+ * creates a unique ident by adding a number to a tag
*
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @return the created ia32 Add node
+ * @param tag the tag string, must contain a %d if a number
+ * should be added
*/
-static ir_node *gen_Add(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) {
- ir_node *shli_op;
- ir_node *expr_op;
- ir_node *new_op;
- int normal_add = 0;
+static ident *unique_id(const char *tag)
+{
+ static unsigned id = 0;
+ char str[256];
- if (mode_is_float(mode)) {
- return new_rd_ia32_fAdd(dbg, current_ir_graph, block, op1, op2, mode);
- }
+ snprintf(str, sizeof(str), tag, ++id);
+ return new_id_from_str(str);
+}
- /* try to optimize with LEA */
+/**
+ * Get a primitive type for a mode.
+ */
+static ir_type *get_prim_type(pmap *types, ir_mode *mode)
+{
+ pmap_entry *e = pmap_find(types, mode);
+ ir_type *res;
+
+ if (! e) {
+ char buf[64];
+ snprintf(buf, sizeof(buf), "prim_type_%s", get_mode_name(mode));
+ res = new_type_primitive(new_id_from_str(buf), mode);
+ pmap_insert(types, mode, res);
+ }
+ else
+ res = e->value;
+ return res;
+}
- shli_op = is_ia32_Shl_i(op1) ? op1 : (is_ia32_Shl_i(op2) ? op2 : NULL);
- expr_op = shli_op == op1 ? op2 : (shli_op == op2 ? op1 : NULL);
+/**
+ * Get an entity that is initialized with a tarval
+ */
+static ir_entity *get_entity_for_tv(ia32_code_gen_t *cg, ir_node *cnst)
+{
+ tarval *tv = get_Const_tarval(cnst);
+ pmap_entry *e = pmap_find(cg->isa->tv_ent, tv);
+ ir_entity *res;
+ ir_graph *rem;
+
+ if (! e) {
+ ir_mode *mode = get_irn_mode(cnst);
+ ir_type *tp = get_Const_type(cnst);
+ if (tp == firm_unknown_type)
+ tp = get_prim_type(cg->isa->types, mode);
+
+ res = new_entity(get_glob_type(), unique_id(".LC%u"), tp);
+
+ set_entity_ld_ident(res, get_entity_ident(res));
+ set_entity_visibility(res, visibility_local);
+ set_entity_variability(res, variability_constant);
+ set_entity_allocation(res, allocation_static);
+
+ /* we create a new entity here: It's initialization must resist on the
+ const code irg */
+ rem = current_ir_graph;
+ current_ir_graph = get_const_code_irg();
+ set_atomic_ent_value(res, new_Const_type(tv, tp));
+ current_ir_graph = rem;
+
+ pmap_insert(cg->isa->tv_ent, tv, res);
+ } else {
+ res = e->value;
+ }
- if (shli_op) {
- tarval *tv = get_ia32_Immop_tarval(shli_op);
- tarval *offs = NULL;
- if (tv) {
- switch (get_tarval_long(tv)) {
- case 1:
- case 2:
- case 3:
- // If the other operand of the LEA is an LEA_i (that means LEA ofs(%regop1)),
- // we can skip it and transform the whole sequence into LEA ofs(%regop1, %regop2, shl_val),
- if (is_ia32_Lea_i(expr_op)) {
- offs = get_ia32_Immop_tarval(expr_op);
- expr_op = get_irn_n(expr_op, 0);
- }
+ return res;
+}
- new_op = new_rd_ia32_Lea(dbg, current_ir_graph, block, expr_op, get_irn_n(shli_op, 0), mode);
- set_ia32_Immop_tarval(new_op, tv);
- set_ia32_am_offs(new_op, offs);
+/**
+ * Transforms a Const.
+ */
+static ir_node *gen_Const(ia32_transform_env_t *env, ir_node *node) {
+ ir_graph *irg = env->irg;
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *mode = get_irn_mode(node);
- break;
- default:
- normal_add = 1;
- break;
+ if (mode_is_float(mode)) {
+ ir_node *res = NULL;
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *nomem = new_NoMem();
+ ir_node *load;
+ ir_entity *floatent;
+
+ FP_USED(env->cg);
+ if (! USE_SSE2(env->cg)) {
+ cnst_classify_t clss = classify_Const(node);
+
+ if (clss == CNST_NULL) {
+ load = new_rd_ia32_vfldz(dbgi, irg, block);
+ res = load;
+ } else if (clss == CNST_ONE) {
+ load = new_rd_ia32_vfld1(dbgi, irg, block);
+ res = load;
+ } else {
+ floatent = get_entity_for_tv(env->cg, node);
+
+ load = new_rd_ia32_vfld(dbgi, irg, block, noreg, noreg, nomem);
+ set_ia32_am_support(load, ia32_am_Source);
+ set_ia32_op_type(load, ia32_AddrModeS);
+ set_ia32_am_flavour(load, ia32_am_N);
+ set_ia32_am_sc(load, floatent);
+ res = new_r_Proj(irg, block, load, mode_vfp, pn_ia32_vfld_res);
}
+ set_ia32_ls_mode(load, mode);
+ } else {
+ floatent = get_entity_for_tv(env->cg, node);
+
+ load = new_rd_ia32_xLoad(dbgi, irg, block, noreg, noreg, nomem);
+ set_ia32_am_support(load, ia32_am_Source);
+ set_ia32_op_type(load, ia32_AddrModeS);
+ set_ia32_am_flavour(load, ia32_am_N);
+ set_ia32_am_sc(load, floatent);
+ set_ia32_ls_mode(load, mode);
+
+ res = new_r_Proj(irg, block, load, mode_xmm, pn_ia32_xLoad_res);
}
- else
- normal_add = 1;
- }
- else
- normal_add = 1;
- if (normal_add) {
- new_op = new_rd_ia32_Lea(dbg, current_ir_graph, block, op1, op2, mode);
- set_ia32_Immop_tarval(new_op, get_tarval_one(mode_Iu));
- set_ia32_am_offs(new_op, NULL);
- }
+ SET_IA32_ORIG_NODE(load, ia32_get_old_node_name(env->cg, node));
- return new_op;
-}
+ /* Const Nodes before the initial IncSP are a bad idea, because
+ * they could be spilled and we have no SP ready at that point yet
+ */
+ if (get_irg_start_block(irg) == block) {
+ add_irn_dep(load, get_irg_frame(irg));
+ }
+ SET_IA32_ORIG_NODE(load, ia32_get_old_node_name(env->cg, node));
+ return res;
+ } else {
+ ir_node *cnst = new_rd_ia32_Const(dbgi, irg, block);
+ /* see above */
+ if (get_irg_start_block(irg) == block) {
+ add_irn_dep(cnst, get_irg_frame(irg));
+ }
-/**
- * Creates an ia32 Mul with immediate.
- *
- * @param dbg firm dbg
- * @param block the block the new node should belong to
- * @param expr_op operator
- * @param mode node mode
- * @return the created ia23 Mul_i node
- */
-static ir_node *gen_imm_Mul(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *expr_op, ir_node *const_op, ir_mode *mode) {
- return new_rd_ia32_Mul_i(dbg, current_ir_graph, block, expr_op, mode);
+ set_ia32_Const_attr(cnst, node);
+ SET_IA32_ORIG_NODE(cnst, ia32_get_old_node_name(env->cg, node));
+ return cnst;
+ }
+
+ assert(0);
+ return new_r_Bad(irg);
}
/**
- * Creates an ia32 Mul.
- *
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @return the created ia32 Mul node
+ * Transforms a SymConst.
*/
-ir_node *gen_Mul(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) {
+static ir_node *gen_SymConst(ia32_transform_env_t *env, ir_node *node) {
+ ir_graph *irg = env->irg;
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *mode = get_irn_mode(node);
+ ir_node *cnst;
+
if (mode_is_float(mode)) {
- return new_rd_ia32_fMul(dbg, current_ir_graph, block, op1, op2, mode);
+ FP_USED(env->cg);
+ if (USE_SSE2(env->cg))
+ cnst = new_rd_ia32_xConst(dbgi, irg, block);
+ else
+ cnst = new_rd_ia32_vfConst(dbgi, irg, block);
+ set_ia32_ls_mode(cnst, mode);
+ } else {
+ cnst = new_rd_ia32_Const(dbgi, irg, block);
+ }
+
+ /* Const Nodes before the initial IncSP are a bad idea, because
+ * they could be spilled and we have no SP ready at that point yet
+ */
+ if (get_irg_start_block(irg) == block) {
+ add_irn_dep(cnst, get_irg_frame(irg));
}
- return new_rd_ia32_Mul(dbg, current_ir_graph, block, op1, op2, mode);
-}
+ set_ia32_Const_attr(cnst, node);
+ SET_IA32_ORIG_NODE(cnst, ia32_get_old_node_name(env->cg, node));
+ return cnst;
+}
/**
- * Creates an ia32 Mulh with immediate.
- * Note: Mul produces a 64Bit result and Mulh returns the upper 32 bit of
- * this result while Mul returns the lower 32 bit.
- *
- * @param dbg firm dbg
- * @param block the block the new node should belong to
- * @param expr_op operator
- * @param mode node mode
- * @return the created ia23 Mulh_i node
+ * SSE convert of an integer node into a floating point node.
*/
-static ir_node *gen_imm_Mulh(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *expr_op, ir_node *const_op, ir_mode *mode) {
- return new_rd_ia32_Mulh_i(dbg, current_ir_graph, block, expr_op, mode);
+static ir_node *gen_sse_conv_int2float(ia32_code_gen_t *cg, dbg_info *dbgi,
+ ir_graph *irg, ir_node *block,
+ ir_node *in, ir_node *old_node, ir_mode *tgt_mode)
+{
+ ir_node *noreg = ia32_new_NoReg_gp(cg);
+ ir_node *nomem = new_rd_NoMem(irg);
+ ir_node *old_pred = get_Cmp_left(old_node);
+ ir_mode *in_mode = get_irn_mode(old_pred);
+ int in_bits = get_mode_size_bits(in_mode);
+ ir_node *conv = new_rd_ia32_Conv_I2FP(dbgi, irg, block, noreg, noreg, in, nomem);
+
+ set_ia32_ls_mode(conv, tgt_mode);
+ if (in_bits == 32) {
+ set_ia32_am_support(conv, ia32_am_Source);
+ }
+ SET_IA32_ORIG_NODE(conv, ia32_get_old_node_name(cg, old_node));
+
+ return conv;
}
/**
- * Creates an ia32 Mulh.
- * Note: Mul produces a 64Bit result and Mulh returns the upper 32 bit of
- * this result while Mul returns the lower 32 bit.
- *
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @return the created ia32 Mulh node
+ * SSE convert of an float node into a double node.
*/
-static ir_node *gen_Mulh(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) {
- return new_rd_ia32_Mulh(dbg, current_ir_graph, block, op1, op2, mode);
+static ir_node *gen_sse_conv_f2d(ia32_code_gen_t *cg, dbg_info *dbgi,
+ ir_graph *irg, ir_node *block,
+ ir_node *in, ir_node *old_node)
+{
+ ir_node *noreg = ia32_new_NoReg_gp(cg);
+ ir_node *nomem = new_rd_NoMem(irg);
+ ir_node *conv = new_rd_ia32_Conv_FP2FP(dbgi, irg, block, noreg, noreg, in, nomem);
+
+ set_ia32_am_support(conv, ia32_am_Source);
+ set_ia32_ls_mode(conv, mode_xmm);
+ SET_IA32_ORIG_NODE(conv, ia32_get_old_node_name(cg, old_node));
+
+ return conv;
}
+/* Generates an entity for a known FP const (used for FP Neg + Abs) */
+ir_entity *ia32_gen_fp_known_const(ia32_known_const_t kct) {
+ static const struct {
+ const char *tp_name;
+ const char *ent_name;
+ const char *cnst_str;
+ } names [ia32_known_const_max] = {
+ { TP_SFP_SIGN, ENT_SFP_SIGN, SFP_SIGN }, /* ia32_SSIGN */
+ { TP_DFP_SIGN, ENT_DFP_SIGN, DFP_SIGN }, /* ia32_DSIGN */
+ { TP_SFP_ABS, ENT_SFP_ABS, SFP_ABS }, /* ia32_SABS */
+ { TP_DFP_ABS, ENT_DFP_ABS, DFP_ABS } /* ia32_DABS */
+ };
+ static ir_entity *ent_cache[ia32_known_const_max];
+
+ const char *tp_name, *ent_name, *cnst_str;
+ ir_type *tp;
+ ir_node *cnst;
+ ir_graph *rem;
+ ir_entity *ent;
+ tarval *tv;
+ ir_mode *mode;
+
+ ent_name = names[kct].ent_name;
+ if (! ent_cache[kct]) {
+ tp_name = names[kct].tp_name;
+ cnst_str = names[kct].cnst_str;
+
+ mode = kct == ia32_SSIGN || kct == ia32_SABS ? mode_Iu : mode_Lu;
+ //mode = mode_xmm;
+ tv = new_tarval_from_str(cnst_str, strlen(cnst_str), mode);
+ tp = new_type_primitive(new_id_from_str(tp_name), mode);
+ ent = new_entity(get_glob_type(), new_id_from_str(ent_name), tp);
+ set_entity_ld_ident(ent, get_entity_ident(ent));
+ set_entity_visibility(ent, visibility_local);
+ set_entity_variability(ent, variability_constant);
+ set_entity_allocation(ent, allocation_static);
-/**
- * Creates an ia32 And with immediate.
- *
- * @param dbg firm dbg
- * @param block the block the new node should belong to
- * @param expr_op operator
- * @param mode node mode
- * @return the created ia23 And_i node
- */
-static ir_node *gen_imm_And(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *expr_op, ir_node *const_op, ir_mode *mode) {
- return new_rd_ia32_And_i(dbg, current_ir_graph, block, expr_op, mode);
-}
+ /* we create a new entity here: It's initialization must resist on the
+ const code irg */
+ rem = current_ir_graph;
+ current_ir_graph = get_const_code_irg();
+ cnst = new_Const(mode, tv);
+ current_ir_graph = rem;
-/**
- * Creates an ia32 And.
- *
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @return the created ia32 And node
- */
-static ir_node *gen_And(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) {
- return new_rd_ia32_And(dbg, current_ir_graph, block, op1, op2, mode);
-}
+ set_atomic_ent_value(ent, cnst);
+ /* cache the entry */
+ ent_cache[kct] = ent;
+ }
+ return ent_cache[kct];
+}
+#ifndef NDEBUG
/**
- * Creates an ia32 Or with immediate.
- *
- * @param dbg firm dbg
- * @param block the block the new node should belong to
- * @param expr_op operator
- * @param mode node mode
- * @return the created ia23 Or_i node
+ * Prints the old node name on cg obst and returns a pointer to it.
*/
-static ir_node *gen_imm_Or(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *expr_op, ir_node *const_op, ir_mode *mode) {
- return new_rd_ia32_Or_i(dbg, current_ir_graph, block, expr_op, mode);
+const char *ia32_get_old_node_name(ia32_code_gen_t *cg, ir_node *irn) {
+ ia32_isa_t *isa = (ia32_isa_t *)cg->arch_env->isa;
+
+ lc_eoprintf(firm_get_arg_env(), isa->name_obst, "%+F", irn);
+ obstack_1grow(isa->name_obst, 0);
+ return obstack_finish(isa->name_obst);
}
+#endif /* NDEBUG */
-/**
- * Creates an ia32 Or.
- *
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @return the created ia32 Or node
- */
-static ir_node *gen_Or(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) {
- return new_rd_ia32_Or(dbg, current_ir_graph, block, op1, op2, mode);
+/* determine if one operator is an Imm */
+static ir_node *get_immediate_op(ir_node *op1, ir_node *op2) {
+ if (op1) {
+ return is_ia32_Cnst(op1) ? op1 : (is_ia32_Cnst(op2) ? op2 : NULL);
+ } else {
+ return is_ia32_Cnst(op2) ? op2 : NULL;
+ }
}
+/* determine if one operator is not an Imm */
+static ir_node *get_expr_op(ir_node *op1, ir_node *op2) {
+ return !is_ia32_Cnst(op1) ? op1 : (!is_ia32_Cnst(op2) ? op2 : NULL);
+}
+static void fold_immediate(ia32_transform_env_t *env, ir_node *node, int in1, int in2) {
+ ir_node *left;
+ ir_node *right;
-/**
- * Creates an ia32 Eor with immediate.
- *
- * @param dbg firm dbg
- * @param block the block the new node should belong to
- * @param expr_op operator
- * @param mode node mode
- * @return the created ia23 Eor_i node
- */
-static ir_node *gen_imm_Eor(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *expr_op, ir_node *const_op, ir_mode *mode) {
- return new_rd_ia32_Eor_i(dbg, current_ir_graph, block, expr_op, mode);
+ if (! (env->cg->opt & IA32_OPT_IMMOPS))
+ return;
+
+ left = get_irn_n(node, in1);
+ right = get_irn_n(node, in2);
+ if (! is_ia32_Cnst(right) && is_ia32_Cnst(left)) {
+ /* we can only set right operand to immediate */
+ if(!is_ia32_commutative(node))
+ return;
+ /* exchange left/right */
+ set_irn_n(node, in1, right);
+ set_irn_n(node, in2, ia32_get_admissible_noreg(env->cg, node, in2));
+ copy_ia32_Immop_attr(node, left);
+ } else if(is_ia32_Cnst(right)) {
+ set_irn_n(node, in2, ia32_get_admissible_noreg(env->cg, node, in2));
+ copy_ia32_Immop_attr(node, right);
+ } else {
+ return;
+ }
+
+ set_ia32_am_support(node, get_ia32_am_support(node) & ~ia32_am_Source);
}
/**
- * Creates an ia32 Eor.
+ * Construct a standard binary operation, set AM and immediate if required.
*
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @return the created ia32 Eor node
+ * @param env The transformation environment
+ * @param op1 The first operand
+ * @param op2 The second operand
+ * @param func The node constructor function
+ * @return The constructed ia32 node.
*/
-static ir_node *gen_Eor(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) {
- return new_rd_ia32_Eor(dbg, current_ir_graph, block, op1, op2, mode);
-}
+static ir_node *gen_binop(ia32_transform_env_t *env, ir_node *node,
+ ir_node *op1, ir_node *op2,
+ construct_binop_func *func)
+{
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *new_op1 = transform_node(env, op1);
+ ir_node *new_op2 = transform_node(env, op2);
+ ir_node *new_node = NULL;
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *noreg_gp = ia32_new_NoReg_gp(env->cg);
+ ir_node *nomem = new_NoMem();
+
+ new_node = func(dbgi, irg, block, noreg_gp, noreg_gp, new_op1, new_op2, nomem);
+ if (func == new_rd_ia32_IMul) {
+ set_ia32_am_support(new_node, ia32_am_Source);
+ } else {
+ set_ia32_am_support(new_node, ia32_am_Full);
+ }
+ SET_IA32_ORIG_NODE(new_node, ia32_get_old_node_name(env->cg, node));
+ if (is_op_commutative(get_irn_op(node))) {
+ set_ia32_commutative(new_node);
+ }
+ fold_immediate(env, new_node, 2, 3);
+ return new_node;
+}
/**
- * Creates an ia32 Max.
+ * Construct a standard binary operation, set AM and immediate if required.
*
- * @param dbg firm dbg
- * @param block the block the new node should belong to
- * @param expr_op operator
- * @param mode node mode
- * @return the created ia23 Max node
+ * @param env The transformation environment
+ * @param op1 The first operand
+ * @param op2 The second operand
+ * @param func The node constructor function
+ * @return The constructed ia32 node.
*/
-static ir_node *gen_Max(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) {
- return new_rd_ia32_Max(dbg, current_ir_graph, block, op1, op2, mode);
-}
+static ir_node *gen_binop_float(ia32_transform_env_t *env, ir_node *node,
+ ir_node *op1, ir_node *op2,
+ construct_binop_func *func)
+{
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *new_op1 = transform_node(env, op1);
+ ir_node *new_op2 = transform_node(env, op2);
+ ir_node *new_node = NULL;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_graph *irg = env->irg;
+ ir_mode *mode = get_irn_mode(node);
+ ir_node *noreg_gp = ia32_new_NoReg_gp(env->cg);
+ ir_node *nomem = new_NoMem();
+
+ new_node = func(dbgi, irg, block, noreg_gp, noreg_gp, new_op1, new_op2, nomem);
+ set_ia32_am_support(new_node, ia32_am_Source);
+ if (is_op_commutative(get_irn_op(node))) {
+ set_ia32_commutative(new_node);
+ }
+ if (USE_SSE2(env->cg)) {
+ set_ia32_ls_mode(new_node, mode);
+ }
+
+ SET_IA32_ORIG_NODE(new_node, ia32_get_old_node_name(env->cg, node));
+ return new_node;
+}
/**
- * Creates an ia32 Min.
+ * Construct a shift/rotate binary operation, sets AM and immediate if required.
*
- * @param dbg firm dbg
- * @param block the block the new node should belong to
- * @param expr_op operator
- * @param mode node mode
- * @return the created ia23 Min node
+ * @param env The transformation environment
+ * @param op1 The first operand
+ * @param op2 The second operand
+ * @param func The node constructor function
+ * @return The constructed ia32 node.
*/
-static ir_node *gen_Min(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) {
- return new_rd_ia32_Min(dbg, current_ir_graph, block, op1, op2, mode);
-}
-
+static ir_node *gen_shift_binop(ia32_transform_env_t *env, ir_node *node,
+ ir_node *op1, ir_node *op2,
+ construct_binop_func *func)
+{
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *new_op1 = transform_node(env, op1);
+ ir_node *new_op2 = transform_node(env, op2);
+ ir_node *new_op = NULL;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_graph *irg = env->irg;
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *nomem = new_NoMem();
+ ir_node *expr_op;
+ ir_node *imm_op;
+ tarval *tv;
+
+ assert(! mode_is_float(get_irn_mode(node))
+ && "Shift/Rotate with float not supported");
+
+ /* Check if immediate optimization is on and */
+ /* if it's an operation with immediate. */
+ imm_op = (env->cg->opt & IA32_OPT_IMMOPS) ? get_immediate_op(NULL, new_op2) : NULL;
+ expr_op = get_expr_op(new_op1, new_op2);
+
+ assert((expr_op || imm_op) && "invalid operands");
+
+ if (!expr_op) {
+ /* We have two consts here: not yet supported */
+ imm_op = NULL;
+ }
+ /* Limit imm_op within range imm8 */
+ if (imm_op) {
+ tv = get_ia32_Immop_tarval(imm_op);
-/**
- * Creates an ia32 Sub with immediate.
- *
- * @param dbg firm dbg
- * @param block the block the new node should belong to
- * @param expr_op operator
- * @param mode node mode
- * @return the created ia23 Sub_i node
- */
-static ir_node *gen_imm_Sub(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *expr_op, ir_node *const_op, ir_mode *mode) {
- ir_node *new_op;
- tarval *tv = get_ia32_Immop_tarval(const_op);
- int normal_sub = 0;
- tarval_classification_t class_tv, class_negtv;
-
- /* const_op: tarval or SymConst? */
- if (tv) {
- /* optimize tarvals */
- class_tv = classify_tarval(tv);
- class_negtv = classify_tarval(tarval_neg(tv));
-
- if (class_tv == TV_CLASSIFY_ONE) { /* - 1 == DEC */
- DBG((mod, LEVEL_2, "optimizing Sub(1) to Dec ... "));
- new_op = new_rd_ia32_Dec(dbg, current_ir_graph, block, expr_op, mode);
- }
- else if (class_negtv == TV_CLASSIFY_ONE) { /* - (-1) == Sub */
- DBG((mod, LEVEL_2, "optimizing Sub(-1) to Inc ... "));
- new_op = new_rd_ia32_Inc(dbg, current_ir_graph, block, expr_op, mode);
+ if (tv) {
+ tv = tarval_mod(tv, new_tarval_from_long(32, get_tarval_mode(tv)));
+ set_ia32_Immop_tarval(imm_op, tv);
+ }
+ else {
+ imm_op = NULL;
}
- else
- normal_sub = 1;
}
- else
- normal_sub = 1;
- if (normal_sub)
- new_op = new_rd_ia32_Sub_i(dbg, current_ir_graph, block, expr_op, mode);
+ /* integer operations */
+ if (imm_op) {
+ /* This is shift/rot with const */
+ DB((dbg, LEVEL_1, "Shift/Rot with immediate ..."));
+
+ new_op = func(dbgi, irg, block, noreg, noreg, expr_op, noreg, nomem);
+ copy_ia32_Immop_attr(new_op, imm_op);
+ } else {
+ /* This is a normal shift/rot */
+ DB((dbg, LEVEL_1, "Shift/Rot binop ..."));
+ new_op = func(dbgi, irg, block, noreg, noreg, new_op1, new_op2, nomem);
+ }
+
+ /* set AM support */
+ set_ia32_am_support(new_op, ia32_am_Dest);
+
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+
+ set_ia32_emit_cl(new_op);
return new_op;
}
+
/**
- * Creates an ia32 Sub.
+ * Construct a standard unary operation, set AM and immediate if required.
*
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @return the created ia32 Sub node
- */
-static ir_node *gen_Sub(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) {
- if (mode_is_float(mode)) {
- return new_rd_ia32_fSub(dbg, current_ir_graph, block, op1, op2, mode);
- }
- return new_rd_ia32_Sub(dbg, current_ir_graph, block, op1, op2, mode);
-}
+ * @param env The transformation environment
+ * @param op The operand
+ * @param func The node constructor function
+ * @return The constructed ia32 node.
+ */
+static ir_node *gen_unop(ia32_transform_env_t *env, ir_node *node, ir_node *op,
+ construct_unop_func *func)
+{
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *new_op = transform_node(env, op);
+ ir_node *new_node = NULL;
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *nomem = new_NoMem();
+ new_node = func(dbgi, irg, block, noreg, noreg, new_op, nomem);
+ DB((dbg, LEVEL_1, "INT unop ..."));
+ set_ia32_am_support(new_node, ia32_am_Dest);
+ SET_IA32_ORIG_NODE(new_node, ia32_get_old_node_name(env->cg, node));
-/**
- * Creates an ia32 Mod.
- *
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @return the created ia32 Mod node
- */
-static ir_node *gen_Mod(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *mem, ir_node *op1, ir_node *op2, ir_mode *mode) {
- return new_rd_ia32_DivMod(dbg, current_ir_graph, block, op1, op2, mem, flavour_Mod, mode);
+ return new_node;
}
-
/**
- * Creates an ia32 Div.
+ * Creates an ia32 Add.
*
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @return the created ia32 Div node
+ * @param env The transformation environment
+ * @return the created ia32 Add node
*/
-static ir_node *gen_Div(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *mem, ir_node *op1, ir_node *op2, ir_mode *mode) {
- return new_rd_ia32_DivMod(dbg, current_ir_graph, block, op1, op2, mem, flavour_Div, mode);
-}
+static ir_node *gen_Add(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *op1 = get_Add_left(node);
+ ir_node *new_op1 = transform_node(env, op1);
+ ir_node *op2 = get_Add_right(node);
+ ir_node *new_op2 = transform_node(env, op2);
+ ir_node *new_op = NULL;
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *mode = get_irn_mode(node);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *nomem = new_NoMem();
+ ir_node *expr_op, *imm_op;
+
+ /* Check if immediate optimization is on and */
+ /* if it's an operation with immediate. */
+ imm_op = (env->cg->opt & IA32_OPT_IMMOPS) ? get_immediate_op(new_op1, new_op2) : NULL;
+ expr_op = get_expr_op(new_op1, new_op2);
+
+ assert((expr_op || imm_op) && "invalid operands");
+ if (mode_is_float(mode)) {
+ FP_USED(env->cg);
+ if (USE_SSE2(env->cg))
+ return gen_binop_float(env, node, op1, op2, new_rd_ia32_xAdd);
+ else
+ return gen_binop_float(env, node, op1, op2, new_rd_ia32_vfadd);
+ }
+ /* integer ADD */
+ if (! expr_op) {
+ ia32_immop_type_t tp1 = get_ia32_immop_type(new_op1);
+ ia32_immop_type_t tp2 = get_ia32_immop_type(new_op2);
+
+ /* No expr_op means, that we have two const - one symconst and */
+ /* one tarval or another symconst - because this case is not */
+ /* covered by constant folding */
+ /* We need to check for: */
+ /* 1) symconst + const -> becomes a LEA */
+ /* 2) symconst + symconst -> becomes a const + LEA as the elf */
+ /* linker doesn't support two symconsts */
+
+ if (tp1 == ia32_ImmSymConst && tp2 == ia32_ImmSymConst) {
+ /* this is the 2nd case */
+ new_op = new_rd_ia32_Lea(dbgi, irg, block, new_op1, noreg);
+ set_ia32_am_sc(new_op, get_ia32_Immop_symconst(new_op2));
+ set_ia32_am_flavour(new_op, ia32_am_OB);
+ set_ia32_am_support(new_op, ia32_am_Source);
+ set_ia32_op_type(new_op, ia32_AddrModeS);
+
+ DBG_OPT_LEA3(new_op1, new_op2, node, new_op);
+ } else if (tp1 == ia32_ImmSymConst) {
+ tarval *tv = get_ia32_Immop_tarval(new_op2);
+ long offs = get_tarval_long(tv);
+
+ new_op = new_rd_ia32_Lea(dbgi, irg, block, noreg, noreg);
+ DBG_OPT_LEA3(new_op1, new_op2, node, new_op);
+
+ set_ia32_am_sc(new_op, get_ia32_Immop_symconst(new_op1));
+ add_ia32_am_offs_int(new_op, offs);
+ set_ia32_am_flavour(new_op, ia32_am_O);
+ set_ia32_am_support(new_op, ia32_am_Source);
+ set_ia32_op_type(new_op, ia32_AddrModeS);
+ } else if (tp2 == ia32_ImmSymConst) {
+ tarval *tv = get_ia32_Immop_tarval(new_op1);
+ long offs = get_tarval_long(tv);
+
+ new_op = new_rd_ia32_Lea(dbgi, irg, block, noreg, noreg);
+ DBG_OPT_LEA3(new_op1, new_op2, node, new_op);
+
+ add_ia32_am_offs_int(new_op, offs);
+ set_ia32_am_sc(new_op, get_ia32_Immop_symconst(new_op2));
+ set_ia32_am_flavour(new_op, ia32_am_O);
+ set_ia32_am_support(new_op, ia32_am_Source);
+ set_ia32_op_type(new_op, ia32_AddrModeS);
+ } else {
+ tarval *tv1 = get_ia32_Immop_tarval(new_op1);
+ tarval *tv2 = get_ia32_Immop_tarval(new_op2);
+ tarval *restv = tarval_add(tv1, tv2);
+
+ DEBUG_ONLY(ir_fprintf(stderr, "Warning: add with 2 consts not folded: %+F\n", node));
+
+ new_op = new_rd_ia32_Const(dbgi, irg, block);
+ set_ia32_Const_tarval(new_op, restv);
+ DBG_OPT_LEA3(new_op1, new_op2, node, new_op);
+ }
-/**
- * Creates an ia32 DivMod.
- *
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @return the created ia32 DivMod node
- */
-static ir_node *gen_DivMod(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *mem, ir_node *op1, ir_node *op2, ir_mode *mode) {
- return new_rd_ia32_DivMod(dbg, current_ir_graph, block, op1, op2, mem, flavour_DivMod, mode);
-}
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+ return new_op;
+ } else if (imm_op) {
+ if ((env->cg->opt & IA32_OPT_INCDEC) && get_ia32_immop_type(imm_op) == ia32_ImmConst) {
+ tarval_classification_t class_tv, class_negtv;
+ tarval *tv = get_ia32_Immop_tarval(imm_op);
+
+ /* optimize tarvals */
+ class_tv = classify_tarval(tv);
+ class_negtv = classify_tarval(tarval_neg(tv));
+
+ if (class_tv == TV_CLASSIFY_ONE) { /* + 1 == INC */
+ DB((dbg, LEVEL_2, "Add(1) to Inc ... "));
+ new_op = new_rd_ia32_Inc(dbgi, irg, block, noreg, noreg, expr_op, nomem);
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+ return new_op;
+ } else if (class_tv == TV_CLASSIFY_ALL_ONE || class_negtv == TV_CLASSIFY_ONE) { /* + (-1) == DEC */
+ DB((dbg, LEVEL_2, "Add(-1) to Dec ... "));
+ new_op = new_rd_ia32_Dec(dbgi, irg, block, noreg, noreg, expr_op, nomem);
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+ return new_op;
+ }
+ }
+ }
+ /* This is a normal add */
+ new_op = new_rd_ia32_Add(dbgi, irg, block, noreg, noreg, new_op1, new_op2, nomem);
+ /* set AM support */
+ set_ia32_am_support(new_op, ia32_am_Full);
+ set_ia32_commutative(new_op);
-/**
- * Creates an ia32 floating Div.
- *
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @return the created ia32 fDiv node
- */
-static ir_node *gen_Quot(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) {
- return new_rd_ia32_fDiv(dbg, current_ir_graph, block, op1, op2, mode);
+ fold_immediate(env, new_op, 2, 3);
+
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+
+ return new_op;
}
+#if 0
+static ir_node *create_ia32_Mul(ia32_transform_env_t *env, ir_node *node) {
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *op1 = get_Mul_left(node);
+ ir_node *op2 = get_Mul_right(node);
+ ir_node *new_op1 = transform_node(env, op1);
+ ir_node *new_op2 = transform_node(env, op2);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *proj_EAX, *proj_EDX, *res;
+ ir_node *in[1];
+
+ res = new_rd_ia32_Mul(dbgi, irg, block, noreg, noreg, new_op1, new_op2, new_NoMem());
+ set_ia32_commutative(res);
+ set_ia32_am_support(res, ia32_am_Source);
+
+ /* imediates are not supported, so no fold_immediate */
+ proj_EAX = new_rd_Proj(dbgi, irg, block, res, mode_Iu, pn_EAX);
+ proj_EDX = new_rd_Proj(dbgi, irg, block, res, mode_Iu, pn_EDX);
+
+ /* keep EAX */
+ in[0] = proj_EDX;
+ be_new_Keep(&ia32_reg_classes[CLASS_ia32_gp], irg, block, 1, in);
+
+ return proj_EAX;
+}
+#endif /* if 0 */
/**
- * Creates an ia32 Shl with immediate.
+ * Creates an ia32 Mul.
*
- * @param dbg firm dbg
- * @param block the block the new node should belong to
- * @param expr_op operator
- * @param mode node mode
- * @return the created ia23 Shl_i node
+ * @param env The transformation environment
+ * @return the created ia32 Mul node
*/
-static ir_node *gen_imm_Shl(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *expr_op, ir_node *const_op, ir_mode *mode) {
- return new_rd_ia32_Shl_i(dbg, current_ir_graph, block, expr_op, mode);
+static ir_node *gen_Mul(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *op1 = get_Mul_left(node);
+ ir_node *op2 = get_Mul_right(node);
+ ir_mode *mode = get_irn_mode(node);
+
+ if (mode_is_float(mode)) {
+ FP_USED(env->cg);
+ if (USE_SSE2(env->cg))
+ return gen_binop_float(env, node, op1, op2, new_rd_ia32_xMul);
+ else
+ return gen_binop_float(env, node, op1, op2, new_rd_ia32_vfmul);
+ }
+
+ /*
+ for the lower 32bit of the result it doesn't matter whether we use
+ signed or unsigned multiplication so we use IMul as it has fewer
+ constraints
+ */
+ return gen_binop(env, node, op1, op2, new_rd_ia32_IMul);
}
/**
- * Creates an ia32 Shl.
+ * Creates an ia32 Mulh.
+ * Note: Mul produces a 64Bit result and Mulh returns the upper 32 bit of
+ * this result while Mul returns the lower 32 bit.
*
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @return the created ia32 Shl node
+ * @param env The transformation environment
+ * @return the created ia32 Mulh node
*/
-static ir_node *gen_Shl(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) {
- return new_rd_ia32_Shl(dbg, current_ir_graph, block, op1, op2, mode);
-}
+static ir_node *gen_Mulh(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *op1 = get_irn_n(node, 0);
+ ir_node *new_op1 = transform_node(env, op1);
+ ir_node *op2 = get_irn_n(node, 1);
+ ir_node *new_op2 = transform_node(env, op2);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_mode *mode = get_irn_mode(node);
+ ir_node *proj_EAX, *proj_EDX, *res;
+ ir_node *in[1];
+
+ assert(!mode_is_float(mode) && "Mulh with float not supported");
+ if (mode_is_signed(mode)) {
+ res = new_rd_ia32_IMul1OP(dbgi, irg, block, noreg, noreg, new_op1, new_op2, new_NoMem());
+ } else {
+ res = new_rd_ia32_Mul(dbgi, irg, block, noreg, noreg, new_op1, new_op2, new_NoMem());
+ }
+ set_ia32_commutative(res);
+ set_ia32_am_support(res, ia32_am_Source);
+ set_ia32_am_support(res, ia32_am_Source);
-/**
- * Creates an ia32 Shr with immediate.
- *
- * @param dbg firm dbg
- * @param block the block the new node should belong to
- * @param expr_op operator
- * @param mode node mode
- * @return the created ia23 Shr_i node
- */
-static ir_node *gen_imm_Shr(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *expr_op, ir_node *const_op, ir_mode *mode) {
- return new_rd_ia32_Shr_i(dbg, current_ir_graph, block, expr_op, mode);
-}
+ proj_EAX = new_rd_Proj(dbgi, irg, block, res, mode_Iu, pn_EAX);
+ proj_EDX = new_rd_Proj(dbgi, irg, block, res, mode_Iu, pn_EDX);
-/**
- * Creates an ia32 Shr.
- *
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @return the created ia32 Shr node
- */
-static ir_node *gen_Shr(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) {
- return new_rd_ia32_Shr(dbg, current_ir_graph, block, op1, op2, mode);
+ /* keep EAX */
+ in[0] = proj_EAX;
+ be_new_Keep(&ia32_reg_classes[CLASS_ia32_gp], irg, block, 1, in);
+
+ return proj_EDX;
}
/**
- * Creates an ia32 Shrs with immediate.
+ * Creates an ia32 And.
*
- * @param dbg firm dbg
- * @param block the block the new node should belong to
- * @param expr_op operator
- * @param mode node mode
- * @return the created ia23 Shrs_i node
+ * @param env The transformation environment
+ * @return The created ia32 And node
*/
-static ir_node *gen_imm_Shrs(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *expr_op, ir_node *const_op, ir_mode *mode) {
- return new_rd_ia32_Shrs_i(dbg, current_ir_graph, block, expr_op, mode);
-}
+static ir_node *gen_And(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *op1 = get_And_left(node);
+ ir_node *op2 = get_And_right(node);
-/**
- * Creates an ia32 Shrs.
- *
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @return the created ia32 Shrs node
- */
-static ir_node *gen_Shrs(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) {
- return new_rd_ia32_Shrs(dbg, current_ir_graph, block, op1, op2, mode);
+ assert (! mode_is_float(get_irn_mode(node)));
+ return gen_binop(env, node, op1, op2, new_rd_ia32_And);
}
/**
- * Creates an ia32 RotL.
+ * Creates an ia32 Or.
*
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @return the created ia32 RotL node
+ * @param env The transformation environment
+ * @return The created ia32 Or node
*/
-static ir_node *gen_RotL(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) {
- return new_rd_ia32_RotL(dbg, current_ir_graph, block, op1, op2, mode);
+static ir_node *gen_Or(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *op1 = get_Or_left(node);
+ ir_node *op2 = get_Or_right(node);
+
+ assert (! mode_is_float(get_irn_mode(node)));
+ return gen_binop(env, node, op1, op2, new_rd_ia32_Or);
}
/**
- * Creates an ia32 RotR.
- * NOTE: There is no RotR with immediate because this would always be a RotL
- * "imm-mode_size_bits" which can be pre-calculated.
+ * Creates an ia32 Eor.
*
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @return the created ia32 RotR node
+ * @param env The transformation environment
+ * @return The created ia32 Eor node
*/
-static ir_node *gen_RotR(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) {
- return new_rd_ia32_RotR(dbg, current_ir_graph, block, op1, op2, mode);
+static ir_node *gen_Eor(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *op1 = get_Eor_left(node);
+ ir_node *op2 = get_Eor_right(node);
+
+ assert(! mode_is_float(get_irn_mode(node)));
+ return gen_binop(env, node, op1, op2, new_rd_ia32_Xor);
}
/**
- * Transforms a Rot with immediate into an ia32 RotL with immediate
- * as the Firm Rot is a RotL (see NOTE on RotR with immediate above).
+ * Creates an ia32 Max.
*
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @return the created ia32 RotL node
+ * @param env The transformation environment
+ * @return the created ia32 Max node
*/
-static ir_node *gen_imm_Rot(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *expr_op, ir_node *const_op, ir_mode *mode) {
- return new_rd_ia32_RotL_i(dbg, current_ir_graph, block, expr_op, mode);
-}
+static ir_node *gen_Max(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *op1 = get_irn_n(node, 0);
+ ir_node *new_op1 = transform_node(env, op1);
+ ir_node *op2 = get_irn_n(node, 1);
+ ir_node *new_op2 = transform_node(env, op2);
+ ir_graph *irg = env->irg;
+ ir_mode *mode = get_irn_mode(node);
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *op_mode = get_irn_mode(op1);
+ ir_node *new_op;
+
+ assert(get_mode_size_bits(mode) == 32);
-/**
- * Creates an ia32 RotR or RotL (depending on the found pattern).
+ if (mode_is_float(mode)) {
+ FP_USED(env->cg);
+ if (USE_SSE2(env->cg)) {
+ new_op = gen_binop_float(env, node, new_op1, new_op2, new_rd_ia32_xMax);
+ } else {
+ panic("Can't create Max node");
+ }
+ } else {
+ long pnc = pn_Cmp_Gt;
+ if (! mode_is_signed(op_mode)) {
+ pnc |= ia32_pn_Cmp_Unsigned;
+ }
+ new_op = new_rd_ia32_CmpCMov(dbgi, irg, block, new_op1, new_op2, new_op1, new_op2);
+ set_ia32_pncode(new_op, pnc);
+ set_ia32_am_support(new_op, ia32_am_None);
+ }
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+
+ return new_op;
+}
+
+/**
+ * Creates an ia32 Min.
*
- * @param dbg firm node dbg
- * @param block the block the new node should belong to
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @return the created ia32 RotL or RotR node
- */
-static ir_node *gen_Rot(firm_dbg_module_t *mod, dbg_info *dbg, ir_node *block, ir_node *op1, ir_node *op2, ir_mode *mode) {
- ir_node *rotate = NULL;
+ * @param env The transformation environment
+ * @return the created ia32 Min node
+ */
+static ir_node *gen_Min(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *op1 = get_irn_n(node, 0);
+ ir_node *new_op1 = transform_node(env, op1);
+ ir_node *op2 = get_irn_n(node, 1);
+ ir_node *new_op2 = transform_node(env, op2);
+ ir_graph *irg = env->irg;
+ ir_mode *mode = get_irn_mode(node);
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *op_mode = get_irn_mode(op1);
+ ir_node *new_op;
+
+ assert(get_mode_size_bits(mode) == 32);
+
+ if (mode_is_float(mode)) {
+ FP_USED(env->cg);
+ if (USE_SSE2(env->cg)) {
+ new_op = gen_binop_float(env, node, op1, op2, new_rd_ia32_xMin);
+ } else {
+ panic("can't create Min node");
+ }
+ } else {
+ long pnc = pn_Cmp_Lt;
+ if (! mode_is_signed(op_mode)) {
+ pnc |= ia32_pn_Cmp_Unsigned;
+ }
+ new_op = new_rd_ia32_CmpCMov(dbgi, irg, block, new_op1, new_op2, new_op1, new_op2);
+ set_ia32_pncode(new_op, pnc);
+ set_ia32_am_support(new_op, ia32_am_None);
+ }
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+
+ return new_op;
+}
- /* Firm has only Rot (which is a RotL), so we are looking for a right (op2)
- operand "-e+mode_size_bits" (it's an already modified "mode_size_bits-e",
- that means we can create a RotR instead of an Add and a RotL */
- if (is_ia32_Add_i(op2)) {
- ir_node *minus = get_irn_n(op2, 0); // is there an op_Minus?
+/**
+ * Creates an ia32 Sub.
+ *
+ * @param env The transformation environment
+ * @return The created ia32 Sub node
+ */
+static ir_node *gen_Sub(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *op1 = get_Sub_left(node);
+ ir_node *new_op1 = transform_node(env, op1);
+ ir_node *op2 = get_Sub_right(node);
+ ir_node *new_op2 = transform_node(env, op2);
+ ir_node *new_op = NULL;
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *mode = get_irn_mode(node);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *nomem = new_NoMem();
+ ir_node *expr_op, *imm_op;
+
+ /* Check if immediate optimization is on and */
+ /* if it's an operation with immediate. */
+ imm_op = (env->cg->opt & IA32_OPT_IMMOPS) ? get_immediate_op(NULL, new_op2) : NULL;
+ expr_op = get_expr_op(new_op1, new_op2);
+
+ assert((expr_op || imm_op) && "invalid operands");
+
+ if (mode_is_float(mode)) {
+ FP_USED(env->cg);
+ if (USE_SSE2(env->cg))
+ return gen_binop_float(env, node, op1, op2, new_rd_ia32_xSub);
+ else
+ return gen_binop_float(env, node, op1, op2, new_rd_ia32_vfsub);
+ }
- if (is_ia32_Minus(minus)) {
- tarval *tv = get_ia32_Immop_tarval(op2);
- long bits = get_mode_size_bits(mode);
+ /* integer SUB */
+ if (! expr_op) {
+ ia32_immop_type_t tp1 = get_ia32_immop_type(new_op1);
+ ia32_immop_type_t tp2 = get_ia32_immop_type(new_op2);
+
+ /* No expr_op means, that we have two const - one symconst and */
+ /* one tarval or another symconst - because this case is not */
+ /* covered by constant folding */
+ /* We need to check for: */
+ /* 1) symconst - const -> becomes a LEA */
+ /* 2) symconst - symconst -> becomes a const - LEA as the elf */
+ /* linker doesn't support two symconsts */
+ if (tp1 == ia32_ImmSymConst && tp2 == ia32_ImmSymConst) {
+ /* this is the 2nd case */
+ new_op = new_rd_ia32_Lea(dbgi, irg, block, new_op1, noreg);
+ set_ia32_am_sc(new_op, get_ia32_Immop_symconst(op2));
+ set_ia32_am_sc_sign(new_op);
+ set_ia32_am_flavour(new_op, ia32_am_OB);
+
+ DBG_OPT_LEA3(op1, op2, node, new_op);
+ } else if (tp1 == ia32_ImmSymConst) {
+ tarval *tv = get_ia32_Immop_tarval(new_op2);
+ long offs = get_tarval_long(tv);
+
+ new_op = new_rd_ia32_Lea(dbgi, irg, block, noreg, noreg);
+ DBG_OPT_LEA3(op1, op2, node, new_op);
+
+ set_ia32_am_sc(new_op, get_ia32_Immop_symconst(new_op1));
+ add_ia32_am_offs_int(new_op, -offs);
+ set_ia32_am_flavour(new_op, ia32_am_O);
+ set_ia32_am_support(new_op, ia32_am_Source);
+ set_ia32_op_type(new_op, ia32_AddrModeS);
+ } else if (tp2 == ia32_ImmSymConst) {
+ tarval *tv = get_ia32_Immop_tarval(new_op1);
+ long offs = get_tarval_long(tv);
+
+ new_op = new_rd_ia32_Lea(dbgi, irg, block, noreg, noreg);
+ DBG_OPT_LEA3(op1, op2, node, new_op);
+
+ add_ia32_am_offs_int(new_op, offs);
+ set_ia32_am_sc(new_op, get_ia32_Immop_symconst(new_op2));
+ set_ia32_am_sc_sign(new_op);
+ set_ia32_am_flavour(new_op, ia32_am_O);
+ set_ia32_am_support(new_op, ia32_am_Source);
+ set_ia32_op_type(new_op, ia32_AddrModeS);
+ } else {
+ tarval *tv1 = get_ia32_Immop_tarval(new_op1);
+ tarval *tv2 = get_ia32_Immop_tarval(new_op2);
+ tarval *restv = tarval_sub(tv1, tv2);
+
+ DEBUG_ONLY(ir_fprintf(stderr, "Warning: sub with 2 consts not folded: %+F\n", node));
+
+ new_op = new_rd_ia32_Const(dbgi, irg, block);
+ set_ia32_Const_tarval(new_op, restv);
+ DBG_OPT_LEA3(new_op1, new_op2, node, new_op);
+ }
- if (tarval_is_long(tv) && get_tarval_long(tv) == bits) {
- DBG((mod, LEVEL_1, "optimizing RotL into RotR ... "));
- rotate = gen_RotR(mod, dbg, block, op1, get_irn_n(minus, 0), mode);
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+ return new_op;
+ } else if (imm_op) {
+ if ((env->cg->opt & IA32_OPT_INCDEC) && get_ia32_immop_type(imm_op) == ia32_ImmConst) {
+ tarval_classification_t class_tv, class_negtv;
+ tarval *tv = get_ia32_Immop_tarval(imm_op);
+
+ /* optimize tarvals */
+ class_tv = classify_tarval(tv);
+ class_negtv = classify_tarval(tarval_neg(tv));
+
+ if (class_tv == TV_CLASSIFY_ONE) {
+ DB((dbg, LEVEL_2, "Sub(1) to Dec ... "));
+ new_op = new_rd_ia32_Dec(dbgi, irg, block, noreg, noreg, expr_op, nomem);
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+ return new_op;
+ } else if (class_tv == TV_CLASSIFY_ALL_ONE || class_negtv == TV_CLASSIFY_ONE) {
+ DB((dbg, LEVEL_2, "Sub(-1) to Inc ... "));
+ new_op = new_rd_ia32_Inc(dbgi, irg, block, noreg, noreg, expr_op, nomem);
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+ return new_op;
}
}
}
- if (!rotate)
- rotate = gen_RotL(mod, dbg, block, op1, op2, mode);
+ /* This is a normal sub */
+ new_op = new_rd_ia32_Sub(dbgi, irg, block, noreg, noreg, new_op1, new_op2, nomem);
- return rotate;
+ /* set AM support */
+ set_ia32_am_support(new_op, ia32_am_Full);
+
+ fold_immediate(env, new_op, 2, 3);
+
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+
+ return new_op;
}
/**
- * Transforms commutative operations (op_Add, op_Mul, op_And, op_Or, op_Eor)
- * and non-commutative operations with com == 0 (op_Sub, op_Shl, op_Shr, op_Shrs, op_Rot)
+ * Generates an ia32 DivMod with additional infrastructure for the
+ * register allocator if needed.
*
- * @param mod the debug module
- * @param block the block node belongs to
- * @param node the node to transform
- * @param op1 first operator
- * @param op2 second operator
- * @param mode node mode
- * @param com flag if op is commutative
- * @return the created assembler node
- */
-static ir_node *gen_arith_Op(firm_dbg_module_t *mod, ir_node *block, ir_node *node, ir_node *op1, ir_node *op2, ir_mode *mode, int com) {
- dbg_info *dbg = get_irn_dbg_info(node);
- ir_node *imm_op = NULL;
- ir_node *expr_op = NULL;
- ir_node *asm_node = NULL;
- opcode opc = get_irn_opcode(node);
- ir_op *op = get_irn_op(node);
-
-#define GENOP(a) case iro_##a: asm_node = gen_##a(mod, dbg, block, op1, op2, mode); break
-#define GENOPI(a) case iro_##a: asm_node = gen_imm_##a(mod, dbg, block, expr_op, imm_op, mode); break
-
- if (com)
- imm_op = get_immediate_op(op1, op2);
- else
- imm_op = get_immediate_op(NULL, op2);
-
- expr_op = get_expr_op(op1, op2);
+ * @param env The transformation environment
+ * @param dividend -no comment- :)
+ * @param divisor -no comment- :)
+ * @param dm_flav flavour_Div/Mod/DivMod
+ * @return The created ia32 DivMod node
+ */
+static ir_node *generate_DivMod(ia32_transform_env_t *env, ir_node *node,
+ ir_node *dividend, ir_node *divisor,
+ ia32_op_flavour_t dm_flav)
+{
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *new_dividend = transform_node(env, dividend);
+ ir_node *new_divisor = transform_node(env, divisor);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *mode = get_irn_mode(node);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *res, *proj_div, *proj_mod;
+ ir_node *edx_node, *cltd;
+ ir_node *in_keep[2];
+ ir_node *mem, *new_mem;
+ ir_node *projs[pn_DivMod_max];
+ int i;
+
+ ia32_collect_Projs(node, projs, pn_DivMod_max);
+
+ switch (dm_flav) {
+ case flavour_Div:
+ mem = get_Div_mem(node);
+ proj_div = be_get_Proj_for_pn(node, pn_Div_res);
+ if (proj_div == NULL) {
+ /* this can happen when we have divs left that could
+ throw a division by zero exception... */
+ mode = mode_Is;
+ } else {
+ mode = get_irn_mode(proj_div);
+ }
+ break;
+ case flavour_Mod:
+ mem = get_Mod_mem(node);
+ proj_mod = be_get_Proj_for_pn(node, pn_Mod_res);
+ if (proj_mod == NULL) {
+ /* this can happen when we have divs left that could
+ throw a division by zero exception... */
+ mode = mode_Is;
+ } else {
+ mode = get_irn_mode(proj_mod);
+ }
+ break;
+ case flavour_DivMod:
+ mem = get_DivMod_mem(node);
+ proj_div = be_get_Proj_for_pn(node, pn_DivMod_res_div);
+ proj_mod = be_get_Proj_for_pn(node, pn_DivMod_res_mod);
+ if (proj_div != NULL) {
+ mode = get_irn_mode(proj_div);
+ } else if(proj_mod != NULL) {
+ mode = get_irn_mode(proj_mod);
+ } else {
+ /* this can happen when we have divs left that could
+ throw a division by zero exception... */
+ mode = mode_Is;
+ }
+ break;
+ default:
+ panic("invalid divmod flavour!");
+ }
+ new_mem = transform_node(env, mem);
+
+ if (mode_is_signed(mode)) {
+ /* in signed mode, we need to sign extend the dividend */
+ cltd = new_rd_ia32_Cltd(dbgi, irg, block, new_dividend);
+ new_dividend = new_rd_Proj(dbgi, irg, block, cltd, mode_Iu, pn_ia32_Cltd_EAX);
+ edx_node = new_rd_Proj(dbgi, irg, block, cltd, mode_Iu, pn_ia32_Cltd_EDX);
+ } else {
+ edx_node = new_rd_ia32_Const(dbgi, irg, block);
+ add_irn_dep(edx_node, be_abi_get_start_barrier(env->cg->birg->abi));
+ set_ia32_Immop_tarval(edx_node, get_tarval_null(mode_Iu));
+ }
- /* TODO: Op(Const, Const) support */
- if (is_ia32_Const(op1) && is_ia32_Const(op2)) {
- DBG((mod, LEVEL_2, "found unexpected %s(Const, Const), creating binop ... ", get_irn_opname(node)));
- imm_op = NULL;
+ if (mode_is_signed(mode)) {
+ res = new_rd_ia32_IDiv(dbgi, irg, block, noreg, noreg, new_dividend, edx_node, new_divisor, new_mem, dm_flav);
+ } else {
+ res = new_rd_ia32_Div(dbgi, irg, block, noreg, noreg, new_dividend, edx_node, new_divisor, new_mem, dm_flav);
}
- if (op == get_op_Min() || op == get_op_Max()) {
- DBG((mod, LEVEL_2, "MIN/MAX imm not available, creating binop ... "));
- imm_op = NULL;
+ /* Matze: code can't handle this at the moment... */
+#if 0
+ /* set AM support */
+ set_ia32_am_support(res, ia32_am_Source);
+#endif
+
+ set_ia32_n_res(res, 2);
+
+ /* check, which Proj-Keep, we need to add */
+ i = 0;
+ if (proj_div == NULL) {
+ /* We have only mod result: add div res Proj-Keep */
+ in_keep[i] = new_rd_Proj(dbgi, irg, block, res, mode_Iu, pn_ia32_Div_div_res);
+ ++i;
}
+ if (proj_mod == NULL) {
+ /* We have only div result: add mod res Proj-Keep */
+ in_keep[i] = new_rd_Proj(dbgi, irg, block, res, mode_Iu, pn_ia32_Div_mod_res);
+ ++i;
+ }
+ if(i > 0)
+ be_new_Keep(&ia32_reg_classes[CLASS_ia32_gp], irg, block, i, in_keep);
- DBG((mod, LEVEL_1, "(op1: %s -- op2: %s) ... ", get_irn_opname(op1), get_irn_opname(op2)));
+ SET_IA32_ORIG_NODE(res, ia32_get_old_node_name(env->cg, node));
- if (!mode_is_float(mode) && imm_op) {
- DBG((mod, LEVEL_1, "%s with imm ... ", get_irn_opname(node)));
+ return res;
+}
- switch(opc) {
- GENOPI(Add);
- GENOPI(Mul);
- GENOPI(And);
- GENOPI(Or);
- GENOPI(Eor);
- GENOPI(Sub);
- GENOPI(Shl);
- GENOPI(Shr);
- GENOPI(Shrs);
- GENOPI(Rot);
- default:
- if (op == get_op_Mulh()) {
- asm_node = gen_imm_Mulh(mod, dbg, block, expr_op, imm_op, mode);
- }
- else
- assert("binop_i: THIS SHOULD NOT HAPPEN");
- }
+/**
+ * Wrapper for generate_DivMod. Sets flavour_Mod.
+ *
+ * @param env The transformation environment
+ */
+static ir_node *gen_Mod(ia32_transform_env_t *env, ir_node *node) {
+ return generate_DivMod(env, node, get_Mod_left(node),
+ get_Mod_right(node), flavour_Mod);
+}
- set_ia32_Immop_attr(asm_node, imm_op);
- }
- else {
- DBG((mod, LEVEL_1, "%s as binop ... ", get_irn_opname(node)));
-
- switch(opc) {
- GENOP(Add);
- GENOP(Mul);
- GENOP(And);
- GENOP(Or);
- GENOP(Eor);
-
- GENOP(Quot);
-
- GENOP(Sub);
- GENOP(Shl);
- GENOP(Shr);
- GENOP(Shrs);
- GENOP(Rot);
- default:
- if (op == get_op_Mulh()) {
- asm_node = gen_Mulh(mod, dbg, block, op1, op2, mode);
- }
- else if (op == get_op_Max()) {
- asm_node = gen_Max(mod, dbg, block, op1, op2, mode);
- }
- else if (op == get_op_Min()) {
- asm_node = gen_Min(mod, dbg, block, op1, op2, mode);
- }
- else
- assert("binop: THIS SHOULD NOT HAPPEN");
- }
- }
+/**
+ * Wrapper for generate_DivMod. Sets flavour_Div.
+ *
+ * @param env The transformation environment
+ */
+static ir_node *gen_Div(ia32_transform_env_t *env, ir_node *node) {
+ return generate_DivMod(env, node, get_Div_left(node),
+ get_Div_right(node), flavour_Div);
+}
- return asm_node;
+/**
+ * Wrapper for generate_DivMod. Sets flavour_DivMod.
+ */
+static ir_node *gen_DivMod(ia32_transform_env_t *env, ir_node *node) {
+ return generate_DivMod(env, node, get_DivMod_left(node),
+ get_DivMod_right(node), flavour_DivMod);
}
/**
- * Transforms a Minus node.
+ * Creates an ia32 floating Div.
*
- * @param mod the debug module
- * @param block the block the new node should belong to
- * @param node the ir Minus node
- * @param op operator
- * @param mode node mode
- * @return the created ia32 Minus node
- */
-static ir_node *gen_Minus(firm_dbg_module_t *mod, ir_node *block, ir_node *node, ir_node *op, ir_mode *mode) {
- if (is_ia32_Minus(op) || is_ia32_fMinus(op)) {
- DBG((mod, LEVEL_1, "optimizing --(e) to e ..."));
- return get_irn_n(op, 0);
- }
- else {
- if (mode_is_float(mode)) {
- return new_rd_ia32_fMinus(get_irn_dbg_info(node), current_ir_graph, block, op, mode);
+ * @param env The transformation environment
+ * @return The created ia32 xDiv node
+ */
+static ir_node *gen_Quot(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *op1 = get_Quot_left(node);
+ ir_node *new_op1 = transform_node(env, op1);
+ ir_node *op2 = get_Quot_right(node);
+ ir_node *new_op2 = transform_node(env, op2);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *nomem = new_rd_NoMem(env->irg);
+ ir_node *new_op;
+
+ FP_USED(env->cg);
+ if (USE_SSE2(env->cg)) {
+ ir_mode *mode = get_irn_mode(op1);
+ if (is_ia32_xConst(new_op2)) {
+ new_op = new_rd_ia32_xDiv(dbgi, irg, block, noreg, noreg, new_op1, noreg, nomem);
+ set_ia32_am_support(new_op, ia32_am_None);
+ copy_ia32_Immop_attr(new_op, new_op2);
+ } else {
+ new_op = new_rd_ia32_xDiv(dbgi, irg, block, noreg, noreg, new_op1, new_op2, nomem);
+ // Matze: disabled for now, spillslot coalescer fails
+ //set_ia32_am_support(new_op, ia32_am_Source);
}
- return new_rd_ia32_Minus(get_irn_dbg_info(node), current_ir_graph, block, op, mode);
+ set_ia32_ls_mode(new_op, mode);
+ } else {
+ new_op = new_rd_ia32_vfdiv(dbgi, irg, block, noreg, noreg, new_op1, new_op2, nomem);
+ // Matze: disabled for now (spillslot coalescer fails)
+ //set_ia32_am_support(new_op, ia32_am_Source);
}
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+ return new_op;
}
-
/**
- * Transforms a Conv node.
+ * Creates an ia32 Shl.
*
- * @param mod the debug module
- * @param block the block the new node should belong to
- * @param node the ir Conv node
- * @param op operator
- * @param mode node mode
- * @return the created ia32 Conv node
+ * @param env The transformation environment
+ * @return The created ia32 Shl node
*/
-static ir_node *gen_Conv(firm_dbg_module_t *mod, ir_node *block, ir_node *node, ir_node *op, ir_mode *mode) {
- return new_rd_ia32_Conv(get_irn_dbg_info(node), current_ir_graph, block, op, mode);
+static ir_node *gen_Shl(ia32_transform_env_t *env, ir_node *node) {
+ return gen_shift_binop(env, node, get_Shl_left(node), get_Shl_right(node),
+ new_rd_ia32_Shl);
}
/**
- * Transforms a Not node.
+ * Creates an ia32 Shr.
*
- * @param mod the debug module
- * @param block the block the new node should belong to
- * @param node the ir Not node
- * @param op operator
- * @param mode node mode
- * @return the created ia32 Not node
+ * @param env The transformation environment
+ * @return The created ia32 Shr node
*/
-static ir_node *gen_Not(firm_dbg_module_t *mod, ir_node *block, ir_node *node, ir_node *op, ir_mode *mode) {
- return new_rd_ia32_Not(get_irn_dbg_info(node), current_ir_graph, block, op, mode);
+static ir_node *gen_Shr(ia32_transform_env_t *env, ir_node *node) {
+ return gen_shift_binop(env, node, get_Shr_left(node),
+ get_Shr_right(node), new_rd_ia32_Shr);
}
/**
- * Transforms an Abs node.
+ * Creates an ia32 Sar.
*
- * @param mod the debug module
- * @param block the block the new node should belong to
- * @param node the ir Abs node
- * @param op operator
- * @param mode node mode
- * @return the created ia32 Abs node
- */
-static ir_node *gen_Abs(firm_dbg_module_t *mod, ir_node *block, ir_node *node, ir_node *op, ir_mode *mode) {
- ir_node *res, *p_eax, *p_edx;
- dbg_info *dbg = get_irn_dbg_info(node);
-
- res = new_rd_ia32_Cltd(dbg, current_ir_graph, block, op, mode_T);
- p_eax = new_rd_Proj(dbg, current_ir_graph, block, res, mode, pn_EAX);
- p_edx = new_rd_Proj(dbg, current_ir_graph, block, res, mode, pn_EDX);
- res = new_rd_ia32_Eor(dbg, current_ir_graph, block, p_eax, p_edx, mode);
- res = new_rd_ia32_Sub(dbg, current_ir_graph, block, res, p_edx, mode);
-
- return res;
+ * @param env The transformation environment
+ * @return The created ia32 Shrs node
+ */
+static ir_node *gen_Shrs(ia32_transform_env_t *env, ir_node *node) {
+ return gen_shift_binop(env, node, get_Shrs_left(node),
+ get_Shrs_right(node), new_rd_ia32_Sar);
}
/**
- * Transforms a Load.
+ * Creates an ia32 RotL.
*
- * @param mod the debug module
- * @param block the block the new node should belong to
- * @param node the ir Load node
- * @param mode node mode
- * @return the created ia32 Load node
+ * @param env The transformation environment
+ * @param op1 The first operator
+ * @param op2 The second operator
+ * @return The created ia32 RotL node
*/
-static ir_node *gen_Load(firm_dbg_module_t *mod, ir_node *block, ir_node *node, ir_mode *mode) {
- if (mode_is_float(mode)) {
- return new_rd_ia32_fLoad(get_irn_dbg_info(node), current_ir_graph, block, get_Load_ptr(node), get_Load_mem(node), mode);
- }
- return new_rd_ia32_Load(get_irn_dbg_info(node), current_ir_graph, block, get_Load_ptr(node), get_Load_mem(node), mode);
+static ir_node *gen_RotL(ia32_transform_env_t *env, ir_node *node,
+ ir_node *op1, ir_node *op2) {
+ return gen_shift_binop(env, node, op1, op2, new_rd_ia32_Rol);
}
/**
- * Transforms a Store.
+ * Creates an ia32 RotR.
+ * NOTE: There is no RotR with immediate because this would always be a RotL
+ * "imm-mode_size_bits" which can be pre-calculated.
*
- * @param mod the debug module
- * @param block the block the new node should belong to
- * @param node the ir Store node
- * @param mode node mode
- * @return the created ia32 Store node
+ * @param env The transformation environment
+ * @param op1 The first operator
+ * @param op2 The second operator
+ * @return The created ia32 RotR node
*/
-ir_node *gen_Store(firm_dbg_module_t *mod, ir_node *block, ir_node *node, ir_mode *mode) {
- if (mode_is_float(mode)) {
- return new_rd_ia32_fStore(get_irn_dbg_info(node), current_ir_graph, block, get_Store_ptr(node), get_Store_value(node), get_Store_mem(node), mode);
- }
- return new_rd_ia32_Store(get_irn_dbg_info(node), current_ir_graph, block, get_Store_ptr(node), get_Store_value(node), get_Store_mem(node), mode);
+static ir_node *gen_RotR(ia32_transform_env_t *env, ir_node *node, ir_node *op1,
+ ir_node *op2) {
+ return gen_shift_binop(env, node, op1, op2, new_rd_ia32_Ror);
}
/**
- * Check all parameters and determine the maximum number of parameters
- * to pass in gp regs resp. in fp regs.
+ * Creates an ia32 RotR or RotL (depending on the found pattern).
+ *
+ * @param env The transformation environment
+ * @return The created ia32 RotL or RotR node
*/
-static void get_n_regparam_class(int n, ir_node **param, int *n_int, int *n_float) {
- int i;
+static ir_node *gen_Rot(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *rotate = NULL;
+ ir_node *op1 = get_Rot_left(node);
+ ir_node *op2 = get_Rot_right(node);
- for (i = 0; i < n; i++) {
- if (mode_is_int(get_irn_mode(param[i])))
- *n_int = *n_int + 1;
- else if (mode_is_float(get_irn_mode(param[i])))
- *n_float = *n_float + 1;
+ /* Firm has only Rot (which is a RotL), so we are looking for a right (op2)
+ operand "-e+mode_size_bits" (it's an already modified "mode_size_bits-e",
+ that means we can create a RotR instead of an Add and a RotL */
- /* test for maximum */
- if (*n_int == maxnum_gpreg_args)
- break;
+ if (get_irn_op(op2) == op_Add) {
+ ir_node *add = op2;
+ ir_node *left = get_Add_left(add);
+ ir_node *right = get_Add_right(add);
+ if (is_Const(right)) {
+ tarval *tv = get_Const_tarval(right);
+ ir_mode *mode = get_irn_mode(node);
+ long bits = get_mode_size_bits(mode);
+
+ if (get_irn_op(left) == op_Minus &&
+ tarval_is_long(tv) &&
+ get_tarval_long(tv) == bits)
+ {
+ DB((dbg, LEVEL_1, "RotL into RotR ... "));
+ rotate = gen_RotR(env, node, op1, get_Minus_op(left));
+ }
+ }
+ }
- if (*n_float == maxnum_fpreg_args)
- break;
+ if (rotate == NULL) {
+ rotate = gen_RotL(env, node, op1, op2);
}
+
+ return rotate;
}
+
+
/**
- * Transforms a Call and its arguments corresponding to the calling convention.
+ * Transforms a Minus node.
*
- * @param mod the debug module
- * @param block the block the new node should belong to
- * @param node the ir Call node
- * @param dummy mode doesn't matter
- * @return the created ia32 Call node
- */
-static ir_node *gen_Call(firm_dbg_module_t *mod, ir_node *block, ir_node *call, ir_mode *dummy) {
- const arch_register_req_t **in_req;
- ir_node **in;
- ir_node *new_call, *sync;
- ir_mode *mode;
- int i, j, n_new_call_in;
- asmop_attr *attr;
- ir_node **stack_param = NULL;
- ir_node **param = get_Call_param_arr(call);
- ir_node *call_Mem = get_Call_mem(call);
- unsigned cc = get_method_calling_convention(get_Call_type(call));
- int n = get_Call_n_params(call);
- int n_gpregparam = 0;
- int n_fpregparam = 0;
- int cur_gp_idx = 0;
- int cur_fp_idx = 0;
- int stack_idx = 0;
- int done = 0;
-
- if (cc & cc_reg_param)
- get_n_regparam_class(n, param, &n_gpregparam, &n_fpregparam);
-
- /* do we need to pass arguments on stack? */
- if (n - n_gpregparam - n_fpregparam > 0)
- stack_param = calloc(n - n_gpregparam - n_fpregparam, sizeof(ir_node *));
-
- /* we need at least one in, either for the stack params or the call_Mem */
- n_new_call_in = 1 + n_gpregparam + n_fpregparam;
-
- current_gpreg_param_req = gpreg_param_req_std;
- current_fpreg_param_req = fpreg_param_req_std;
-
- if (cc & cc_this_call) {
- current_gpreg_param_req = gpreg_param_req_this;
- current_fpreg_param_req = fpreg_param_req_this;
- }
-
- /* the call has one IN for all stack parameter and one IN for each reg param */
- in = calloc(n_new_call_in, sizeof(ir_node *));
- in_req = calloc(n_new_call_in, sizeof(arch_register_req_t *));
-
- /* loop over all parameters and determine whether its a int or float register parameter */
- for (i = 0; i < n && !done && (cc & cc_reg_param); i++) {
- mode = get_irn_mode(param[i]);
-
- if (mode_is_int(mode) && cur_gp_idx < maxnum_gpreg_args) {
- /* param can be passed in general purpose register and we have some registers left */
- in[cur_gp_idx + cur_fp_idx] = param[i];
- in_req[cur_gp_idx] = current_gpreg_param_req[cur_gp_idx];
- cur_gp_idx++;
- }
- else if (mode_is_float(mode) && cur_fp_idx < maxnum_fpreg_args) {
- /* param can be passed in floating point register and we have some registers left */
- assert(current_gpreg_param_req[cur_fp_idx] && "'this' pointer cannot be passed as float");
- in[cur_gp_idx + cur_fp_idx] = param[i];
- in_req[cur_fp_idx] = current_gpreg_param_req[cur_fp_idx];
- cur_fp_idx++;
- }
-
- /* maximum number of register parameters in one class reached? */
- if (cur_gp_idx >= maxnum_gpreg_args || cur_fp_idx >= maxnum_fpreg_args) {
- done = 1;
- }
- }
- stack_idx = i;
-
- /* create remaining stack parameters */
- if (cc & cc_last_on_top) {
- for (i = stack_idx; i < n; i++) {
- /* pass it on stack */
- if (mode_is_float(get_irn_mode(param[i]))) {
- stack_param[i - stack_idx] = new_rd_ia32_fStackArg(get_irn_dbg_info(param[i]), current_ir_graph,
- block, call_Mem, param[i], mode_M);
- }
- else {
- stack_param[i - stack_idx] = new_rd_ia32_StackArg(get_irn_dbg_info(param[i]), current_ir_graph,
- block, call_Mem, param[i], mode_M);
- }
- }
- }
- else {
- for (i = n - 1, j = 0; i >= stack_idx; i--, j++) {
- /* pass it on stack */
- if (mode_is_float(get_irn_mode(param[i]))) {
- stack_param[j] = new_rd_ia32_fStackArg(get_irn_dbg_info(param[i]), current_ir_graph,
- block, call_Mem, param[i], mode_M);
- }
- else {
- stack_param[j] = new_rd_ia32_StackArg(get_irn_dbg_info(param[i]), current_ir_graph,
- block, call_Mem, param[i], mode_M);
- }
- }
- }
+ * @param env The transformation environment
+ * @param op The Minus operand
+ * @return The created ia32 Minus node
+ */
+ir_node *gen_Minus_ex(ia32_transform_env_t *env, ir_node *node, ir_node *op) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *mode = get_irn_mode(node);
+ ir_entity *ent;
+ ir_node *res;
+ int size;
- if (stack_param) {
- sync = new_r_Sync(current_ir_graph, block, n - n_gpregparam - n_fpregparam, stack_param);
- in[n_new_call_in - 1] = sync;
- }
- else {
- in[n_new_call_in - 1] = call_Mem;
+ if (mode_is_float(mode)) {
+ ir_node *new_op = transform_node(env, op);
+ FP_USED(env->cg);
+ if (USE_SSE2(env->cg)) {
+ ir_node *noreg_gp = ia32_new_NoReg_gp(env->cg);
+ ir_node *noreg_fp = ia32_new_NoReg_fp(env->cg);
+ ir_node *nomem = new_rd_NoMem(irg);
+
+ res = new_rd_ia32_xXor(dbgi, irg, block, noreg_gp, noreg_gp, new_op, noreg_fp, nomem);
+
+ size = get_mode_size_bits(mode);
+ ent = ia32_gen_fp_known_const(size == 32 ? ia32_SSIGN : ia32_DSIGN);
+
+ set_ia32_am_sc(res, ent);
+ set_ia32_op_type(res, ia32_AddrModeS);
+ set_ia32_ls_mode(res, mode);
+ } else {
+ res = new_rd_ia32_vfchs(dbgi, irg, block, new_op);
+ }
+ } else {
+ res = gen_unop(env, node, op, new_rd_ia32_Neg);
}
- /* create the new node */
- new_call = new_rd_ia32_Call(get_irn_dbg_info(call), current_ir_graph, block, n_new_call_in, in);
- set_ia32_Immop_attr(new_call, get_Call_ptr(call));
- set_ia32_n_res(new_call, 1);
-
- /* set register requirements for in and out */
- attr = get_ia32_attr(new_call);
- attr->in_req = in_req;
- attr->out_req = calloc(1, sizeof(arch_register_req_t *));
- attr->out_req[0] = &ia32_default_req_ia32_general_purpose_eax;
- attr->slots = calloc(1, sizeof(arch_register_t *));
+ SET_IA32_ORIG_NODE(res, ia32_get_old_node_name(env->cg, node));
- /* stack parameter has no OUT register */
- attr->in_req[n_new_call_in - 1] = &ia32_default_req_none;
-
- return new_call;
+ return res;
}
+/**
+ * Transforms a Minus node.
+ *
+ * @param env The transformation environment
+ * @return The created ia32 Minus node
+ */
+static ir_node *gen_Minus(ia32_transform_env_t *env, ir_node *node) {
+ return gen_Minus_ex(env, node, get_Minus_op(node));
+}
/**
- * creates a unique ident by adding a number to a tag
+ * Transforms a Not node.
*
- * @param tag the tag string, must contain a %d if a number
- * should be added
+ * @param env The transformation environment
+ * @return The created ia32 Not node
*/
-static ident *unique_id(const char *tag)
-{
- static unsigned id = 0;
- char str[256];
+static ir_node *gen_Not(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *op = get_Not_op(node);
- snprintf(str, sizeof(str), tag, ++id);
- return new_id_from_str(str);
+ assert (! mode_is_float(get_irn_mode(node)));
+ return gen_unop(env, node, op, new_rd_ia32_Not);
}
+
+
/**
- * Transforms a SymConst.
+ * Transforms an Abs node.
*
- * @param mod the debug module
- * @param block the block the new node should belong to
- * @param node the ir SymConst node
- * @param mode mode of the SymConst
- * @return the created ia32 Const node
+ * @param env The transformation environment
+ * @return The created ia32 Abs node
*/
-static ir_node *gen_SymConst(firm_dbg_module_t *mod, ir_node *block, ir_node *node, ir_mode *mode) {
- ir_node *cnst;
+static ir_node *gen_Abs(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *op = get_Abs_op(node);
+ ir_node *new_op = transform_node(env, op);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *mode = get_irn_mode(node);
+ ir_node *noreg_gp = ia32_new_NoReg_gp(env->cg);
+ ir_node *noreg_fp = ia32_new_NoReg_fp(env->cg);
+ ir_node *nomem = new_NoMem();
+ ir_node *res, *p_eax, *p_edx;
+ int size;
+ ir_entity *ent;
if (mode_is_float(mode)) {
- cnst = new_rd_ia32_fConst(get_irn_dbg_info(node), current_ir_graph, block, mode);
+ FP_USED(env->cg);
+ if (USE_SSE2(env->cg)) {
+ res = new_rd_ia32_xAnd(dbgi,irg, block, noreg_gp, noreg_gp, new_op, noreg_fp, nomem);
+
+ size = get_mode_size_bits(mode);
+ ent = ia32_gen_fp_known_const(size == 32 ? ia32_SABS : ia32_DABS);
+
+ set_ia32_am_sc(res, ent);
+
+ SET_IA32_ORIG_NODE(res, ia32_get_old_node_name(env->cg, node));
+ set_ia32_op_type(res, ia32_AddrModeS);
+ set_ia32_ls_mode(res, mode);
+ }
+ else {
+ res = new_rd_ia32_vfabs(dbgi, irg, block, new_op);
+ SET_IA32_ORIG_NODE(res, ia32_get_old_node_name(env->cg, node));
+ }
}
else {
- cnst = new_rd_ia32_Const(get_irn_dbg_info(node), current_ir_graph, block, mode);
+ res = new_rd_ia32_Cltd(dbgi, irg, block, new_op);
+ SET_IA32_ORIG_NODE(res, ia32_get_old_node_name(env->cg, node));
+
+ p_eax = new_rd_Proj(dbgi, irg, block, res, mode_Iu, pn_EAX);
+ p_edx = new_rd_Proj(dbgi, irg, block, res, mode_Iu, pn_EDX);
+
+ res = new_rd_ia32_Xor(dbgi, irg, block, noreg_gp, noreg_gp, p_eax, p_edx, nomem);
+ SET_IA32_ORIG_NODE(res, ia32_get_old_node_name(env->cg, node));
+
+ res = new_rd_ia32_Sub(dbgi, irg, block, noreg_gp, noreg_gp, res, p_edx, nomem);
+ SET_IA32_ORIG_NODE(res, ia32_get_old_node_name(env->cg, node));
}
- set_ia32_Const_attr(cnst, node);
- return cnst;
+ return res;
}
+
+
/**
- * Transforms a Const.
+ * Transforms a Load.
*
- * @param mod the debug module
- * @param block the block the new node should belong to
- * @param node the ir Const node
- * @param mode mode of the Const
- * @return the created ia32 Const node
- */
-static ir_node *gen_Const(firm_dbg_module_t *mod, ir_node *block, ir_node *node, ir_mode *mode) {
- ir_node *cnst;
- entity *ent;
- type *tp;
- symconst_symbol sym;
+ * @param env The transformation environment
+ * @return the created ia32 Load node
+ */
+static ir_node *gen_Load(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *ptr = get_Load_ptr(node);
+ ir_node *new_ptr = transform_node(env, ptr);
+ ir_node *mem = get_Load_mem(node);
+ ir_node *new_mem = transform_node(env, mem);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_mode *mode = get_Load_mode(node);
+ ir_node *lptr = new_ptr;
+ int is_imm = 0;
+ ir_node *new_op;
+ ir_node *projs[pn_Load_max];
+ ia32_am_flavour_t am_flav = ia32_am_B;
+
+ ia32_collect_Projs(node, projs, pn_Load_max);
+
+ /*
+ check for special case: the loaded value might not be used (optimized, volatile, ...)
+ we add a Proj + Keep for volatile loads and ignore all other cases
+ */
+ if (! be_get_Proj_for_pn(node, pn_Load_res) && get_Load_volatility(node) == volatility_is_volatile) {
+ /* add a result proj and a Keep to produce a pseudo use */
+ ir_node *proj = new_r_Proj(irg, block, node, mode_Iu, pn_ia32_Load_res);
+ be_new_Keep(arch_get_irn_reg_class(env->cg->arch_env, proj, -1), irg, block, 1, &proj);
+ }
+
+ /* address might be a constant (symconst or absolute address) */
+ if (is_ia32_Const(new_ptr)) {
+ lptr = noreg;
+ is_imm = 1;
+ }
if (mode_is_float(mode)) {
- tp = get_Const_type(node);
- if (tp == firm_unknown_type) {
- tp = new_type_primitive(unique_id("tp_ia32_float_%u"), mode);
+ FP_USED(env->cg);
+ if (USE_SSE2(env->cg)) {
+ new_op = new_rd_ia32_xLoad(dbgi, irg, block, lptr, noreg, new_mem);
+ } else {
+ new_op = new_rd_ia32_vfld(dbgi, irg, block, lptr, noreg, new_mem);
}
+ } else {
+ new_op = new_rd_ia32_Load(dbgi, irg, block, lptr, noreg, new_mem);
+ }
- ent = new_entity(get_glob_type(), unique_id("ia32FloatCnst_%u"), tp);
-
- set_entity_ld_ident(ent, get_entity_ident(ent));
- set_entity_visibility(ent, visibility_local);
- set_entity_variability(ent, variability_constant);
- set_entity_allocation(ent, allocation_static);
-
- set_atomic_ent_value(ent, node);
+ /* base is a constant address */
+ if (is_imm) {
+ if (get_ia32_immop_type(new_ptr) == ia32_ImmSymConst) {
+ set_ia32_am_sc(new_op, get_ia32_Immop_symconst(new_ptr));
+ am_flav = ia32_am_N;
+ } else {
+ tarval *tv = get_ia32_Immop_tarval(new_ptr);
+ long offs = get_tarval_long(tv);
+
+ add_ia32_am_offs_int(new_op, offs);
+ am_flav = ia32_am_O;
+ }
+ }
- sym.entity_p = ent;
+ set_ia32_am_support(new_op, ia32_am_Source);
+ set_ia32_op_type(new_op, ia32_AddrModeS);
+ set_ia32_am_flavour(new_op, am_flav);
+ set_ia32_ls_mode(new_op, mode);
- cnst = new_rd_SymConst(get_irn_dbg_info(node), current_ir_graph, block, sym, symconst_addr_ent);
- cnst = gen_SymConst(mod, block, cnst, mode);
- }
- else {
- cnst = new_rd_ia32_Const(get_irn_dbg_info(node), current_ir_graph, block, mode);
- set_ia32_Const_attr(cnst, node);
+ /* make sure we are scheduled behind the initial IncSP/Barrier
+ * to avoid spills being placed before it
+ */
+ if (block == get_irg_start_block(irg)) {
+ add_irn_dep(new_op, get_irg_frame(irg));
}
- return cnst;
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+
+ return new_op;
}
/**
- * Transforms a Cond -> Proj[b] -> Cmp into a CondJmp or CondJmp_i
+ * Transforms a Store.
*
- * @param mod the debug module
- * @param block the block the new node should belong to
- * @param node the ir Cond node
- * @param mode mode of the Cond
- * @return The transformed node.
+ * @param env The transformation environment
+ * @return the created ia32 Store node
*/
-static ir_node *gen_Cond(firm_dbg_module_t *mod, ir_node *block, ir_node *node, ir_mode *mode) {
- ir_node *sel = get_Cond_selector(node);
- ir_mode *sel_mode = get_irn_mode(sel);
- ir_node *res = NULL;
- ir_node *pred = NULL;
- ir_node *cmp_a, *cmp_b, *cnst, *expr;
-
- if (is_Proj(sel) && sel_mode == mode_b) {
- pred = get_Proj_pred(sel);
-
- /* get both compare operators */
- cmp_a = get_Cmp_left(pred);
- cmp_b = get_Cmp_right(pred);
+static ir_node *gen_Store(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *ptr = get_Store_ptr(node);
+ ir_node *new_ptr = transform_node(env, ptr);
+ ir_node *val = get_Store_value(node);
+ ir_node *new_val = transform_node(env, val);
+ ir_node *mem = get_Store_mem(node);
+ ir_node *new_mem = transform_node(env, mem);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *sptr = new_ptr;
+ ir_mode *mode = get_irn_mode(val);
+ ir_node *sval = new_val;
+ int is_imm = 0;
+ ir_node *new_op;
+ ia32_am_flavour_t am_flav = ia32_am_B;
+
+ if (is_ia32_Const(new_val)) {
+ assert(!mode_is_float(mode));
+ sval = noreg;
+ }
- /* check if we can use a CondJmp with immediate */
- cnst = get_immediate_op(cmp_a, cmp_b);
- expr = get_expr_op(cmp_a, cmp_b);
+ /* address might be a constant (symconst or absolute address) */
+ if (is_ia32_Const(new_ptr)) {
+ sptr = noreg;
+ is_imm = 1;
+ }
- if (cnst && expr) {
- res = new_rd_ia32_CondJmp_i(get_irn_dbg_info(node), current_ir_graph, block, expr, mode_T);
- set_ia32_Immop_attr(res, cnst);
- }
- else {
- res = new_rd_ia32_CondJmp(get_irn_dbg_info(node), current_ir_graph, block, cmp_a, cmp_b, mode_T);
+ if (mode_is_float(mode)) {
+ FP_USED(env->cg);
+ if (USE_SSE2(env->cg)) {
+ new_op = new_rd_ia32_xStore(dbgi, irg, block, sptr, noreg, sval, new_mem);
+ } else {
+ new_op = new_rd_ia32_vfst(dbgi, irg, block, sptr, noreg, sval, new_mem);
}
+ } else if (get_mode_size_bits(mode) == 8) {
+ new_op = new_rd_ia32_Store8Bit(dbgi, irg, block, sptr, noreg, sval, new_mem);
+ } else {
+ new_op = new_rd_ia32_Store(dbgi, irg, block, sptr, noreg, sval, new_mem);
+ }
- set_ia32_pncode(res, get_Proj_proj(sel));
+ /* stored const is an immediate value */
+ if (is_ia32_Const(new_val)) {
+ assert(!mode_is_float(mode));
+ copy_ia32_Immop_attr(new_op, new_val);
}
- else {
- res = new_rd_ia32_SwitchJmp(get_irn_dbg_info(node), current_ir_graph, block, sel, mode_T);
- set_ia32_pncode(res, get_Cond_defaultProj(node));
+
+ /* base is an constant address */
+ if (is_imm) {
+ if (get_ia32_immop_type(new_ptr) == ia32_ImmSymConst) {
+ set_ia32_am_sc(new_op, get_ia32_Immop_symconst(new_ptr));
+ am_flav = ia32_am_N;
+ } else {
+ tarval *tv = get_ia32_Immop_tarval(new_ptr);
+ long offs = get_tarval_long(tv);
+
+ add_ia32_am_offs_int(new_op, offs);
+ am_flav = ia32_am_O;
+ }
}
- return res;
+ set_ia32_am_support(new_op, ia32_am_Dest);
+ set_ia32_op_type(new_op, ia32_AddrModeD);
+ set_ia32_am_flavour(new_op, am_flav);
+ set_ia32_ls_mode(new_op, mode);
+
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+
+ return new_op;
}
/**
- * Transform the argument projs from a start node corresponding to the
- * calling convention.
- * It transforms "Proj Arg x -> ProjT -> Start <- ProjM" into
- * "RegParam x -> ProjT -> Start" OR
- * "StackParam x -> ProjM -> Start"
- * whether parameter is passed in register or on stack.
+ * Transforms a Cond -> Proj[b] -> Cmp into a CondJmp, CondJmp_i or TestJmp
*
- * @param mod the debug module
- * @param block the block the nodes should belong to
- * @param proj the ProjT node which points to Start
- * @param start the Start node
- * @return Should be always NULL
+ * @param env The transformation environment
+ * @return The transformed node.
*/
-static ir_node *gen_Proj_Start(firm_dbg_module_t *mod, ir_node *block, ir_node *proj, ir_node *start) {
- const ir_edge_t *edge;
- ir_node *succ, *irn;
- ir_node **projargs;
- ir_mode *mode;
- int n, i, j;
- unsigned cc;
- ir_node *proj_M = get_irg_initial_mem(current_ir_graph);
- entity *irg_ent = get_irg_entity(current_ir_graph);
- type *tp = get_entity_type(irg_ent);
- int cur_gp_idx = 0;
- int cur_fp_idx = 0;
- int stack_idx = 0;
- int done = 0;
-
- assert(is_Method_type(tp) && "irg type is not a method");
-
- switch(get_Proj_proj(proj)) {
- case pn_Start_T_args:
- /* We cannot use get_method_n_params here as the function might
- be variadic or one argument is not used. */
- n = get_irn_n_edges(proj);
-
- /* we are done here when there are no parameters */
- if (n < 1)
- break;
-
- /* temporary remember all proj arg x */
- projargs = calloc(n, sizeof(ir_node *));
-
- i = 0;
- foreach_out_edge((const ir_node *)proj, edge) {
- succ = get_edge_src_irn(edge);
- assert(is_Proj(succ) && "non-Proj from a Proj_T (pn_Start_T_args).");
- projargs[i++] = succ;
- }
+static ir_node *gen_Cond(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *sel = get_Cond_selector(node);
+ ir_mode *sel_mode = get_irn_mode(sel);
+ ir_node *res = NULL;
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *cnst, *expr;
+
+ if (is_Proj(sel) && sel_mode == mode_b) {
+ ir_node *pred = get_Proj_pred(sel);
+ ir_node *cmp_a = get_Cmp_left(pred);
+ ir_node *new_cmp_a = transform_node(env, cmp_a);
+ ir_node *cmp_b = get_Cmp_right(pred);
+ ir_node *new_cmp_b = transform_node(env, cmp_b);
+ ir_mode *cmp_mode = get_irn_mode(cmp_a);
+ ir_node *nomem = new_NoMem();
+
+ int pnc = get_Proj_proj(sel);
+ if(mode_is_float(cmp_mode) || !mode_is_signed(cmp_mode)) {
+ pnc |= ia32_pn_Cmp_Unsigned;
+ }
- cc = get_method_calling_convention(tp);
+ /* check if we can use a CondJmp with immediate */
+ cnst = (env->cg->opt & IA32_OPT_IMMOPS) ? get_immediate_op(new_cmp_a, new_cmp_b) : NULL;
+ expr = get_expr_op(new_cmp_a, new_cmp_b);
- /* get the correct order in case of 'this' call */
- current_gpreg_param_req = gpreg_param_req_std;
- current_fpreg_param_req = fpreg_param_req_std;
- if (cc & cc_this_call) {
- current_gpreg_param_req = gpreg_param_req_this;
- current_fpreg_param_req = fpreg_param_req_this;
+ if (cnst != NULL && expr != NULL) {
+ /* immop has to be the right operand, we might need to flip pnc */
+ if(cnst != new_cmp_b) {
+ pnc = get_inversed_pnc(pnc);
}
- /* loop over all parameters and check whether its a int or float */
- for (i = 0; i < n && !done && (cc & cc_reg_param); i++) {
- mode = get_irn_mode(projargs[i]);
-
- if (mode_is_int(mode) && cur_gp_idx < maxnum_gpreg_args) {
- /* parameter got passed in general purpose register */
- irn = new_rd_ia32_RegParam(get_irn_dbg_info(proj), current_ir_graph, block, proj, mode);
- set_ia32_pncode(irn, get_Proj_proj(projargs[i]));
- set_ia32_req_out(irn, current_gpreg_param_req[cur_gp_idx], 0);
- cur_gp_idx++;
- }
- else if (mode_is_float(mode) && cur_fp_idx < maxnum_fpreg_args) {
- /* parameter got passed in floating point register*/
- irn = new_rd_ia32_RegParam(get_irn_dbg_info(proj), current_ir_graph, block, proj, mode);
- set_ia32_pncode(irn, get_Proj_proj(projargs[i]));
- set_ia32_req_out(irn, current_fpreg_param_req[cur_fp_idx], 0);
- cur_fp_idx++;
- }
+ if ((pnc == pn_Cmp_Eq || pnc == pn_Cmp_Lg) && mode_needs_gp_reg(get_irn_mode(expr))) {
+ if (get_ia32_immop_type(cnst) == ia32_ImmConst &&
+ classify_tarval(get_ia32_Immop_tarval(cnst)) == TV_CLASSIFY_NULL)
+ {
+ /* a Cmp A =/!= 0 */
+ ir_node *op1 = expr;
+ ir_node *op2 = expr;
+ int is_and = 0;
+
+ /* check, if expr is an only once used And operation */
+ if (is_ia32_And(expr) && get_irn_n_edges(expr)) {
+ op1 = get_irn_n(expr, 2);
+ op2 = get_irn_n(expr, 3);
+
+ is_and = (is_ia32_ImmConst(expr) || is_ia32_ImmSymConst(expr));
+ }
+ res = new_rd_ia32_TestJmp(dbgi, irg, block, op1, op2);
+ set_ia32_pncode(res, pnc);
- /* kill the old "Proj Arg" and replace with the new Arg */
- exchange(projargs[i], irn);
+ if (is_and) {
+ copy_ia32_Immop_attr(res, expr);
+ }
- if (cur_gp_idx >= maxnum_gpreg_args || cur_fp_idx >= maxnum_fpreg_args) {
- stack_idx = i;
- done = 1;
+ SET_IA32_ORIG_NODE(res, ia32_get_old_node_name(env->cg, node));
+ return res;
}
}
- /* create all remaining stack parameters */
- for (i = stack_idx; i < n; i++) {
- mode = get_irn_mode(projargs[i]);
-
- if (mode_is_float(mode))
- irn = new_rd_ia32_fStackParam(get_irn_dbg_info(projargs[i]), current_ir_graph, block, proj_M, mode);
- else
- irn = new_rd_ia32_StackParam(get_irn_dbg_info(projargs[i]), current_ir_graph, block, proj_M, mode);
-
- set_ia32_pncode(irn, get_Proj_proj(projargs[i]));
-
- /* kill the old "Proj Arg" and replace with the new stack param */
- exchange(projargs[i], irn);
+ if (mode_is_float(cmp_mode)) {
+ FP_USED(env->cg);
+ if (USE_SSE2(env->cg)) {
+ res = new_rd_ia32_xCondJmp(dbgi, irg, block, noreg, noreg, expr, noreg, nomem);
+ set_ia32_ls_mode(res, cmp_mode);
+ } else {
+ assert(0);
+ }
+ }
+ else {
+ assert(get_mode_size_bits(cmp_mode) == 32);
+ res = new_rd_ia32_CondJmp(dbgi, irg, block, noreg, noreg, expr, noreg, nomem);
+ }
+ copy_ia32_Immop_attr(res, cnst);
+ }
+ else {
+ ir_mode *cmp_mode = get_irn_mode(cmp_a);
+
+ if (mode_is_float(cmp_mode)) {
+ FP_USED(env->cg);
+ if (USE_SSE2(env->cg)) {
+ res = new_rd_ia32_xCondJmp(dbgi, irg, block, noreg, noreg, cmp_a, cmp_b, nomem);
+ set_ia32_ls_mode(res, cmp_mode);
+ } else {
+ ir_node *proj_eax;
+ res = new_rd_ia32_vfCondJmp(dbgi, irg, block, noreg, noreg, cmp_a, cmp_b, nomem);
+ proj_eax = new_r_Proj(irg, block, res, mode_Iu, pn_ia32_vfCondJmp_temp_reg_eax);
+ be_new_Keep(&ia32_reg_classes[CLASS_ia32_gp], irg, block, 1, &proj_eax);
+ }
+ }
+ else {
+ assert(get_mode_size_bits(cmp_mode) == 32);
+ res = new_rd_ia32_CondJmp(dbgi, irg, block, noreg, noreg, cmp_a, cmp_b, nomem);
+ set_ia32_commutative(res);
}
+ }
- free(projargs);
+ set_ia32_pncode(res, pnc);
+ // Matze: disabled for now, because the default collect_spills_walker
+ // is not able to detect the mode of the spilled value
+ // moreover, the lea optimize phase freely exchanges left/right
+ // without updating the pnc
+ //set_ia32_am_support(res, ia32_am_Source);
+ }
+ else {
+ /* determine the smallest switch case value */
+ ir_node *new_sel = transform_node(env, sel);
+ int switch_min = INT_MAX;
+ const ir_edge_t *edge;
+
+ foreach_out_edge(node, edge) {
+ int pn = get_Proj_proj(get_edge_src_irn(edge));
+ switch_min = pn < switch_min ? pn : switch_min;
+ }
- break;
- case pn_Start_X_initial_exec:
- case pn_Start_M:
- case pn_Start_P_frame_base:
- case pn_Start_P_globals:
- case pn_Start_P_value_arg_base:
- break;
- default:
- assert(0 && "unsupported Proj(Start)");
+ if (switch_min) {
+ /* if smallest switch case is not 0 we need an additional sub */
+ res = new_rd_ia32_Lea(dbgi, irg, block, new_sel, noreg);
+ SET_IA32_ORIG_NODE(res, ia32_get_old_node_name(env->cg, node));
+ add_ia32_am_offs_int(res, -switch_min);
+ set_ia32_am_flavour(res, ia32_am_OB);
+ set_ia32_am_support(res, ia32_am_Source);
+ set_ia32_op_type(res, ia32_AddrModeS);
+ }
+
+ res = new_rd_ia32_SwitchJmp(dbgi, irg, block, switch_min ? res : new_sel, mode_T);
+ set_ia32_pncode(res, get_Cond_defaultProj(node));
}
- return NULL;
+ SET_IA32_ORIG_NODE(res, ia32_get_old_node_name(env->cg, node));
+ return res;
}
+
+
/**
- * Transform some Proj's (Proj_Proj, Proj_Start, Proj_Cmp, Proj_Cond, Proj_Call).
- * All others are ignored.
+ * Transforms a CopyB node.
*
- * @param mod the debug module
- * @param block the block the new node should belong to
- * @param node the ir Proj node
- * @param mode mode of the Proj
+ * @param env The transformation environment
* @return The transformed node.
*/
-static ir_node *gen_Proj(firm_dbg_module_t *mod, ir_node *block, ir_node *node, ir_mode *mode) {
- ir_node *new_node = NULL;
- ir_node *pred = get_Proj_pred(node);
-
- if (mode == mode_M)
- return NULL;
+static ir_node *gen_CopyB(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *src = get_CopyB_src(node);
+ ir_node *new_src = transform_node(env, src);
+ ir_node *dst = get_CopyB_dst(node);
+ ir_node *new_dst = transform_node(env, dst);
+ ir_node *mem = get_CopyB_mem(node);
+ ir_node *new_mem = transform_node(env, mem);
+ ir_node *res = NULL;
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ int size = get_type_size_bytes(get_CopyB_type(node));
+ ir_mode *dst_mode = get_irn_mode(dst);
+ ir_mode *src_mode = get_irn_mode(src);
+ int rem;
+ ir_node *in[3];
+
+ /* If we have to copy more than 32 bytes, we use REP MOVSx and */
+ /* then we need the size explicitly in ECX. */
+ if (size >= 32 * 4) {
+ rem = size & 0x3; /* size % 4 */
+ size >>= 2;
+
+ res = new_rd_ia32_Const(dbgi, irg, block);
+ add_irn_dep(res, be_abi_get_start_barrier(env->cg->birg->abi));
+ set_ia32_Immop_tarval(res, new_tarval_from_long(size, mode_Is));
+
+ res = new_rd_ia32_CopyB(dbgi, irg, block, new_dst, new_src, res, new_mem);
+ set_ia32_Immop_tarval(res, new_tarval_from_long(rem, mode_Is));
+
+ /* ok: now attach Proj's because rep movsd will destroy esi, edi and ecx */
+ in[0] = new_r_Proj(irg, block, res, dst_mode, pn_ia32_CopyB_DST);
+ in[1] = new_r_Proj(irg, block, res, src_mode, pn_ia32_CopyB_SRC);
+ in[2] = new_r_Proj(irg, block, res, mode_Iu, pn_ia32_CopyB_CNT);
+ be_new_Keep(&ia32_reg_classes[CLASS_ia32_gp], irg, block, 3, in);
+ }
+ else {
+ res = new_rd_ia32_CopyB_i(dbgi, irg, block, new_dst, new_src, new_mem);
+ set_ia32_Immop_tarval(res, new_tarval_from_long(size, mode_Is));
- if (get_irn_op(pred) == op_Start) {
- new_node = gen_Proj_Start(mod, block, node, pred);
+ /* ok: now attach Proj's because movsd will destroy esi and edi */
+ in[0] = new_r_Proj(irg, block, res, dst_mode, pn_ia32_CopyB_i_DST);
+ in[1] = new_r_Proj(irg, block, res, src_mode, pn_ia32_CopyB_i_SRC);
+ be_new_Keep(&ia32_reg_classes[CLASS_ia32_gp], irg, block, 2, in);
}
- return new_node;
+ SET_IA32_ORIG_NODE(res, ia32_get_old_node_name(env->cg, node));
+
+ return res;
+}
+
+
+#if 0
+/**
+ * Transforms a Mux node into CMov.
+ *
+ * @param env The transformation environment
+ * @return The transformed node.
+ */
+static ir_node *gen_Mux(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *new_op = new_rd_ia32_CMov(env->dbgi, env->irg, env->block, \
+ get_Mux_sel(node), get_Mux_false(node), get_Mux_true(node), env->mode);
+
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+
+ return new_op;
+}
+#endif
+
+typedef ir_node *cmov_func_t(dbg_info *db, ir_graph *irg, ir_node *block,
+ ir_node *cmp_a, ir_node *cmp_b, ir_node *psi_true,
+ ir_node *psi_default);
+
+/**
+ * Transforms a Psi node into CMov.
+ *
+ * @param env The transformation environment
+ * @return The transformed node.
+ */
+static ir_node *gen_Psi(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *psi_true = get_Psi_val(node, 0);
+ ir_node *new_psi_true = transform_node(env, psi_true);
+ ir_node *psi_default = get_Psi_default(node);
+ ir_node *new_psi_default = transform_node(env, psi_default);
+ ia32_code_gen_t *cg = env->cg;
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *mode = get_irn_mode(node);
+ ir_node *cmp_proj = get_Mux_sel(node);
+ ir_node *noreg = ia32_new_NoReg_gp(cg);
+ ir_node *nomem = new_rd_NoMem(irg);
+ ir_node *cmp, *cmp_a, *cmp_b, *and1, *and2, *new_op = NULL;
+ ir_node *new_cmp_a, *new_cmp_b;
+ ir_mode *cmp_mode;
+ int pnc;
+
+ assert(get_irn_mode(cmp_proj) == mode_b && "Condition for Psi must have mode_b");
+
+ cmp = get_Proj_pred(cmp_proj);
+ cmp_a = get_Cmp_left(cmp);
+ cmp_b = get_Cmp_right(cmp);
+ cmp_mode = get_irn_mode(cmp_a);
+ new_cmp_a = transform_node(env, cmp_a);
+ new_cmp_b = transform_node(env, cmp_b);
+
+ pnc = get_Proj_proj(cmp_proj);
+ if (mode_is_float(cmp_mode) || !mode_is_signed(cmp_mode)) {
+ pnc |= ia32_pn_Cmp_Unsigned;
+ }
+
+ if (mode_is_float(mode)) {
+ /* floating point psi */
+ FP_USED(cg);
+
+ /* 1st case: compare operands are float too */
+ if (USE_SSE2(cg)) {
+ /* psi(cmp(a, b), t, f) can be done as: */
+ /* tmp = cmp a, b */
+ /* tmp2 = t and tmp */
+ /* tmp3 = f and not tmp */
+ /* res = tmp2 or tmp3 */
+
+ /* in case the compare operands are int, we move them into xmm register */
+ if (! mode_is_float(get_irn_mode(cmp_a))) {
+ new_cmp_a = gen_sse_conv_int2float(cg, dbgi, irg, block, new_cmp_a, node, mode_xmm);
+ new_cmp_b = gen_sse_conv_int2float(cg, dbgi, irg, block, new_cmp_b, node, mode_xmm);
+
+ pnc |= 8; /* transform integer compare to fp compare */
+ }
+
+ new_op = new_rd_ia32_xCmp(dbgi, irg, block, noreg, noreg, new_cmp_a, new_cmp_b, nomem);
+ set_ia32_pncode(new_op, pnc);
+ set_ia32_am_support(new_op, ia32_am_Source);
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(cg, node));
+
+ and1 = new_rd_ia32_xAnd(dbgi, irg, block, noreg, noreg, new_psi_true, new_op, nomem);
+ set_ia32_am_support(and1, ia32_am_None);
+ set_ia32_commutative(and1);
+ SET_IA32_ORIG_NODE(and1, ia32_get_old_node_name(cg, node));
+
+ and2 = new_rd_ia32_xAndNot(dbgi, irg, block, noreg, noreg, new_op, new_psi_default, nomem);
+ set_ia32_am_support(and2, ia32_am_None);
+ set_ia32_commutative(and2);
+ SET_IA32_ORIG_NODE(and2, ia32_get_old_node_name(cg, node));
+
+ new_op = new_rd_ia32_xOr(dbgi, irg, block, noreg, noreg, and1, and2, nomem);
+ set_ia32_am_support(new_op, ia32_am_None);
+ set_ia32_commutative(new_op);
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(cg, node));
+ }
+ else {
+ /* x87 FPU */
+ new_op = new_rd_ia32_vfCMov(dbgi, irg, block, new_cmp_a, new_cmp_b, new_psi_true, new_psi_default);
+ set_ia32_pncode(new_op, pnc);
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+ }
+ }
+ else {
+ /* integer psi */
+ construct_binop_func *set_func = NULL;
+ cmov_func_t *cmov_func = NULL;
+
+ if (mode_is_float(get_irn_mode(cmp_a))) {
+ /* 1st case: compare operands are floats */
+ FP_USED(cg);
+
+ if (USE_SSE2(cg)) {
+ /* SSE FPU */
+ set_func = new_rd_ia32_xCmpSet;
+ cmov_func = new_rd_ia32_xCmpCMov;
+ }
+ else {
+ /* x87 FPU */
+ set_func = new_rd_ia32_vfCmpSet;
+ cmov_func = new_rd_ia32_vfCmpCMov;
+ }
+
+ pnc &= ~0x8; /* fp compare -> int compare */
+ }
+ else {
+ /* 2nd case: compare operand are integer too */
+ set_func = new_rd_ia32_CmpSet;
+ cmov_func = new_rd_ia32_CmpCMov;
+ }
+
+ /* check for special case first: And/Or -- Cmp with 0 -- Psi */
+ if (is_ia32_Const_0(new_cmp_b) && is_Proj(new_cmp_a) && (is_ia32_And(get_Proj_pred(new_cmp_a)) || is_ia32_Or(get_Proj_pred(new_cmp_a)))) {
+ if (is_ia32_Const_1(psi_true) && is_ia32_Const_0(psi_default)) {
+ /* first case for SETcc: default is 0, set to 1 iff condition is true */
+ new_op = new_rd_ia32_PsiCondSet(dbgi, irg, block, new_cmp_a);
+ set_ia32_pncode(new_op, pnc);
+ }
+ else if (is_ia32_Const_0(psi_true) && is_ia32_Const_1(psi_default)) {
+ /* second case for SETcc: default is 1, set to 0 iff condition is true: */
+ /* we invert condition and set default to 0 */
+ new_op = new_rd_ia32_PsiCondSet(dbgi, irg, block, new_cmp_a);
+ set_ia32_pncode(new_op, get_inversed_pnc(pnc));
+ }
+ else {
+ /* otherwise: use CMOVcc */
+ new_op = new_rd_ia32_PsiCondCMov(dbgi, irg, block, new_cmp_a, new_psi_true, new_psi_default);
+ set_ia32_pncode(new_op, pnc);
+ }
+
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(cg, node));
+ }
+ else {
+ if (is_ia32_Const_1(psi_true) && is_ia32_Const_0(psi_default)) {
+ /* first case for SETcc: default is 0, set to 1 iff condition is true */
+ new_op = gen_binop(env, node, cmp_a, cmp_b, set_func);
+ set_ia32_pncode(new_op, pnc);
+ set_ia32_am_support(new_op, ia32_am_Source);
+ }
+ else if (is_ia32_Const_0(psi_true) && is_ia32_Const_1(psi_default)) {
+ /* second case for SETcc: default is 1, set to 0 iff condition is true: */
+ /* we invert condition and set default to 0 */
+ new_op = gen_binop(env, node, cmp_a, cmp_b, set_func);
+ set_ia32_pncode(new_op, get_inversed_pnc(pnc));
+ set_ia32_am_support(new_op, ia32_am_Source);
+ }
+ else {
+ /* otherwise: use CMOVcc */
+ new_op = cmov_func(dbgi, irg, block, new_cmp_a, new_cmp_b, new_psi_true, new_psi_default);
+ set_ia32_pncode(new_op, pnc);
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(cg, node));
+ }
+ }
+ }
+
+ return new_op;
+}
+
+
+/**
+ * Following conversion rules apply:
+ *
+ * INT -> INT
+ * ============
+ * 1) n bit -> m bit n > m (downscale)
+ * always ignored
+ * 2) n bit -> m bit n == m (sign change)
+ * always ignored
+ * 3) n bit -> m bit n < m (upscale)
+ * a) source is signed: movsx
+ * b) source is unsigned: and with lower bits sets
+ *
+ * INT -> FLOAT
+ * ==============
+ * SSE(1/2) convert to float or double (cvtsi2ss/sd)
+ *
+ * FLOAT -> INT
+ * ==============
+ * SSE(1/2) convert from float or double to 32bit int (cvtss/sd2si)
+ *
+ * FLOAT -> FLOAT
+ * ================
+ * SSE(1/2) convert from float or double to double or float (cvtss/sd2sd/ss)
+ * x87 is mode_E internally, conversions happen only at load and store
+ * in non-strict semantic
+ */
+
+/**
+ * Create a conversion from x87 state register to general purpose.
+ */
+static ir_node *gen_x87_fp_to_gp(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *op = get_Conv_op(node);
+ ir_node *new_op = transform_node(env, op);
+ ia32_code_gen_t *cg = env->cg;
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *noreg = ia32_new_NoReg_gp(cg);
+ ir_node *trunc_mode = ia32_new_Fpu_truncate(cg);
+ ir_node *fist, *load;
+
+ /* do a fist */
+ fist = new_rd_ia32_vfist(dbgi, irg, block,
+ get_irg_frame(irg), noreg, new_op, trunc_mode, new_NoMem());
+
+ set_ia32_use_frame(fist);
+ set_ia32_am_support(fist, ia32_am_Dest);
+ set_ia32_op_type(fist, ia32_AddrModeD);
+ set_ia32_am_flavour(fist, ia32_am_B);
+ set_ia32_ls_mode(fist, mode_Iu);
+ SET_IA32_ORIG_NODE(fist, ia32_get_old_node_name(cg, node));
+
+ /* do a Load */
+ load = new_rd_ia32_Load(dbgi, irg, block, get_irg_frame(irg), noreg, fist);
+
+ set_ia32_use_frame(load);
+ set_ia32_am_support(load, ia32_am_Source);
+ set_ia32_op_type(load, ia32_AddrModeS);
+ set_ia32_am_flavour(load, ia32_am_B);
+ set_ia32_ls_mode(load, mode_Iu);
+ SET_IA32_ORIG_NODE(load, ia32_get_old_node_name(cg, node));
+
+ return new_r_Proj(irg, block, load, mode_Iu, pn_ia32_Load_res);
+}
+
+/**
+ * Create a conversion from general purpose to x87 register
+ */
+static ir_node *gen_x87_gp_to_fp(ia32_transform_env_t *env, ir_node *node, ir_mode *src_mode) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *op = get_Conv_op(node);
+ ir_node *new_op = transform_node(env, op);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *nomem = new_NoMem();
+ ir_node *fild, *store;
+ int src_bits;
+
+ /* first convert to 32 bit if necessary */
+ src_bits = get_mode_size_bits(src_mode);
+ if (src_bits == 8) {
+ new_op = new_rd_ia32_Conv_I2I8Bit(dbgi, irg, block, noreg, noreg, new_op, nomem);
+ set_ia32_am_support(new_op, ia32_am_Source);
+ set_ia32_ls_mode(new_op, src_mode);
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+ } else if (src_bits < 32) {
+ new_op = new_rd_ia32_Conv_I2I(dbgi, irg, block, noreg, noreg, new_op, nomem);
+ set_ia32_am_support(new_op, ia32_am_Source);
+ set_ia32_ls_mode(new_op, src_mode);
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+ }
+
+ /* do a store */
+ store = new_rd_ia32_Store(dbgi, irg, block, get_irg_frame(irg), noreg, new_op, nomem);
+
+ set_ia32_use_frame(store);
+ set_ia32_am_support(store, ia32_am_Dest);
+ set_ia32_op_type(store, ia32_AddrModeD);
+ set_ia32_am_flavour(store, ia32_am_OB);
+ set_ia32_ls_mode(store, mode_Iu);
+
+ /* do a fild */
+ fild = new_rd_ia32_vfild(dbgi, irg, block, get_irg_frame(irg), noreg, store);
+
+ set_ia32_use_frame(fild);
+ set_ia32_am_support(fild, ia32_am_Source);
+ set_ia32_op_type(fild, ia32_AddrModeS);
+ set_ia32_am_flavour(fild, ia32_am_OB);
+ set_ia32_ls_mode(fild, mode_Iu);
+
+ return new_r_Proj(irg, block, fild, mode_vfp, pn_ia32_vfild_res);
+}
+
+/**
+ * Transforms a Conv node.
+ *
+ * @param env The transformation environment
+ * @return The created ia32 Conv node
+ */
+static ir_node *gen_Conv(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *op = get_Conv_op(node);
+ ir_node *new_op = transform_node(env, op);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *src_mode = get_irn_mode(op);
+ ir_mode *tgt_mode = get_irn_mode(node);
+ int src_bits = get_mode_size_bits(src_mode);
+ int tgt_bits = get_mode_size_bits(tgt_mode);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *nomem = new_rd_NoMem(irg);
+ ir_node *res;
+
+ if (src_mode == tgt_mode) {
+ if (get_Conv_strict(node)) {
+ if (USE_SSE2(env->cg)) {
+ /* when we are in SSE mode, we can kill all strict no-op conversion */
+ return new_op;
+ }
+ } else {
+ /* this should be optimized already, but who knows... */
+ DEBUG_ONLY(ir_fprintf(stderr, "Debug warning: conv %+F is pointless\n", node));
+ DB((dbg, LEVEL_1, "killed Conv(mode, mode) ..."));
+ return new_op;
+ }
+ }
+
+ if (mode_is_float(src_mode)) {
+ /* we convert from float ... */
+ if (mode_is_float(tgt_mode)) {
+ /* ... to float */
+ if (USE_SSE2(env->cg)) {
+ DB((dbg, LEVEL_1, "create Conv(float, float) ..."));
+ res = new_rd_ia32_Conv_FP2FP(dbgi, irg, block, noreg, noreg, new_op, nomem);
+ set_ia32_ls_mode(res, tgt_mode);
+ } else {
+ // Matze: TODO what about strict convs?
+ DEBUG_ONLY(ir_fprintf(stderr, "Debug warning: strict conv %+F ignored yet\n", node));
+ DB((dbg, LEVEL_1, "killed Conv(float, float) ..."));
+ return new_op;
+ }
+ } else {
+ /* ... to int */
+ DB((dbg, LEVEL_1, "create Conv(float, int) ..."));
+ if (USE_SSE2(env->cg)) {
+ res = new_rd_ia32_Conv_FP2I(dbgi, irg, block, noreg, noreg, new_op, nomem);
+ set_ia32_ls_mode(res, src_mode);
+ } else {
+ return gen_x87_fp_to_gp(env, node);
+ }
+ }
+ } else {
+ /* we convert from int ... */
+ if (mode_is_float(tgt_mode)) {
+ FP_USED(env->cg);
+ /* ... to float */
+ DB((dbg, LEVEL_1, "create Conv(int, float) ..."));
+ if (USE_SSE2(env->cg)) {
+ res = new_rd_ia32_Conv_I2FP(dbgi, irg, block, noreg, noreg, new_op, nomem);
+ set_ia32_ls_mode(res, tgt_mode);
+ if(src_bits == 32) {
+ set_ia32_am_support(res, ia32_am_Source);
+ }
+ } else {
+ return gen_x87_gp_to_fp(env, node, src_mode);
+ }
+ } else {
+ /* to int */
+ ir_mode *smaller_mode;
+ int smaller_bits;
+
+ if (src_bits == tgt_bits) {
+ DB((dbg, LEVEL_1, "omitting unnecessary Conv(%+F, %+F) ...", src_mode, tgt_mode));
+ return new_op;
+ }
+
+ if (src_bits < tgt_bits) {
+ smaller_mode = src_mode;
+ smaller_bits = src_bits;
+ } else {
+ smaller_mode = tgt_mode;
+ smaller_bits = tgt_bits;
+ }
+
+ /*
+ The following is not correct, we can't change the mode,
+ maybe others are using the load too
+ better move this to a separate phase!
+ */
+#if 0
+ /* ... to int */
+ if(is_Proj(new_op)) {
+ /* load operations do already sign/zero extend, so we have
+ * nothing left to do */
+ ir_node *pred = get_Proj_pred(new_op);
+ if(is_ia32_Load(pred)) {
+ set_ia32_ls_mode(pred, smaller_mode);
+ return new_op;
+ }
+ }
+#endif /* if 0 */
+
+ DB((dbg, LEVEL_1, "create Conv(int, int) ...", src_mode, tgt_mode));
+ if (smaller_bits == 8) {
+ res = new_rd_ia32_Conv_I2I8Bit(dbgi, irg, block, noreg, noreg, new_op, nomem);
+ set_ia32_ls_mode(res, smaller_mode);
+ } else {
+ res = new_rd_ia32_Conv_I2I(dbgi, irg, block, noreg, noreg, new_op, nomem);
+ set_ia32_ls_mode(res, smaller_mode);
+ }
+ set_ia32_am_support(res, ia32_am_Source);
+ }
+ }
+
+ SET_IA32_ORIG_NODE(res, ia32_get_old_node_name(env->cg, node));
+
+ return res;
+}
+
+
+
+/********************************************
+ * _ _
+ * | | | |
+ * | |__ ___ _ __ ___ __| | ___ ___
+ * | '_ \ / _ \ '_ \ / _ \ / _` |/ _ \/ __|
+ * | |_) | __/ | | | (_) | (_| | __/\__ \
+ * |_.__/ \___|_| |_|\___/ \__,_|\___||___/
+ *
+ ********************************************/
+
+static ir_node *gen_be_StackParam(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *ptr = get_irn_n(node, be_pos_StackParam_ptr);
+ ir_node *new_ptr = transform_node(env, ptr);
+ ir_node *new_op = NULL;
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *nomem = new_rd_NoMem(env->irg);
+ ir_entity *ent = arch_get_frame_entity(env->cg->arch_env, node);
+ ir_mode *load_mode = get_irn_mode(node);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_mode *proj_mode;
+ long pn_res;
+
+ if (mode_is_float(load_mode)) {
+ FP_USED(env->cg);
+ if (USE_SSE2(env->cg)) {
+ new_op = new_rd_ia32_xLoad(dbgi, irg, block, new_ptr, noreg, nomem);
+ pn_res = pn_ia32_xLoad_res;
+ proj_mode = mode_xmm;
+ } else {
+ new_op = new_rd_ia32_vfld(dbgi, irg, block, new_ptr, noreg, nomem);
+ pn_res = pn_ia32_vfld_res;
+ proj_mode = mode_vfp;
+ }
+ } else {
+ new_op = new_rd_ia32_Load(dbgi, irg, block, new_ptr, noreg, nomem);
+ proj_mode = mode_Iu;
+ pn_res = pn_ia32_Load_res;
+ }
+
+ set_ia32_frame_ent(new_op, ent);
+ set_ia32_use_frame(new_op);
+
+ set_ia32_am_support(new_op, ia32_am_Source);
+ set_ia32_op_type(new_op, ia32_AddrModeS);
+ set_ia32_am_flavour(new_op, ia32_am_B);
+ set_ia32_ls_mode(new_op, load_mode);
+ set_ia32_flags(new_op, get_ia32_flags(new_op) | arch_irn_flags_rematerializable);
+
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+
+ return new_rd_Proj(dbgi, irg, block, new_op, proj_mode, pn_res);
+}
+
+/**
+ * Transforms a FrameAddr into an ia32 Add.
+ */
+static ir_node *gen_be_FrameAddr(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *op = get_irn_n(node, be_pos_FrameAddr_ptr);
+ ir_node *new_op = transform_node(env, op);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *res;
+
+ res = new_rd_ia32_Lea(dbgi, irg, block, new_op, noreg);
+ set_ia32_frame_ent(res, arch_get_frame_entity(env->cg->arch_env, node));
+ set_ia32_am_support(res, ia32_am_Full);
+ set_ia32_use_frame(res);
+ set_ia32_am_flavour(res, ia32_am_OB);
+
+ SET_IA32_ORIG_NODE(res, ia32_get_old_node_name(env->cg, node));
+
+ return res;
+}
+
+/**
+ * Transforms a FrameLoad into an ia32 Load.
+ */
+static ir_node *gen_be_FrameLoad(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *mem = get_irn_n(node, be_pos_FrameLoad_mem);
+ ir_node *new_mem = transform_node(env, mem);
+ ir_node *ptr = get_irn_n(node, be_pos_FrameLoad_ptr);
+ ir_node *new_ptr = transform_node(env, ptr);
+ ir_node *new_op = NULL;
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_entity *ent = arch_get_frame_entity(env->cg->arch_env, node);
+ ir_mode *mode = get_type_mode(get_entity_type(ent));
+ ir_node *projs[pn_Load_max];
+
+ ia32_collect_Projs(node, projs, pn_Load_max);
+
+ if (mode_is_float(mode)) {
+ FP_USED(env->cg);
+ if (USE_SSE2(env->cg)) {
+ new_op = new_rd_ia32_xLoad(dbgi, irg, block, new_ptr, noreg, new_mem);
+ }
+ else {
+ new_op = new_rd_ia32_vfld(dbgi, irg, block, new_ptr, noreg, new_mem);
+ }
+ }
+ else {
+ new_op = new_rd_ia32_Load(dbgi, irg, block, new_ptr, noreg, new_mem);
+ }
+
+ set_ia32_frame_ent(new_op, ent);
+ set_ia32_use_frame(new_op);
+
+ set_ia32_am_support(new_op, ia32_am_Source);
+ set_ia32_op_type(new_op, ia32_AddrModeS);
+ set_ia32_am_flavour(new_op, ia32_am_B);
+ set_ia32_ls_mode(new_op, mode);
+
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+
+ return new_op;
+}
+
+
+/**
+ * Transforms a FrameStore into an ia32 Store.
+ */
+static ir_node *gen_be_FrameStore(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *mem = get_irn_n(node, be_pos_FrameStore_mem);
+ ir_node *new_mem = transform_node(env, mem);
+ ir_node *ptr = get_irn_n(node, be_pos_FrameStore_ptr);
+ ir_node *new_ptr = transform_node(env, ptr);
+ ir_node *val = get_irn_n(node, be_pos_FrameStore_val);
+ ir_node *new_val = transform_node(env, val);
+ ir_node *new_op = NULL;
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_entity *ent = arch_get_frame_entity(env->cg->arch_env, node);
+ ir_mode *mode = get_irn_mode(val);
+
+ if (mode_is_float(mode)) {
+ FP_USED(env->cg);
+ if (USE_SSE2(env->cg)) {
+ new_op = new_rd_ia32_xStore(dbgi, irg, block, new_ptr, noreg, new_val, new_mem);
+ } else {
+ new_op = new_rd_ia32_vfst(dbgi, irg, block, new_ptr, noreg, new_val, new_mem);
+ }
+ } else if (get_mode_size_bits(mode) == 8) {
+ new_op = new_rd_ia32_Store8Bit(dbgi, irg, block, new_ptr, noreg, new_val, new_mem);
+ } else {
+ new_op = new_rd_ia32_Store(dbgi, irg, block, new_ptr, noreg, new_val, new_mem);
+ }
+
+ set_ia32_frame_ent(new_op, ent);
+ set_ia32_use_frame(new_op);
+
+ set_ia32_am_support(new_op, ia32_am_Dest);
+ set_ia32_op_type(new_op, ia32_AddrModeD);
+ set_ia32_am_flavour(new_op, ia32_am_B);
+ set_ia32_ls_mode(new_op, mode);
+
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+
+ return new_op;
+}
+
+/**
+ * In case SSE is used we need to copy the result from XMM0 to FPU TOS before return.
+ */
+static ir_node *gen_be_Return(ia32_transform_env_t *env, ir_node *node) {
+ ir_graph *irg = env->irg;
+ ir_node *ret_val = get_irn_n(node, be_pos_Return_val);
+ ir_node *ret_mem = get_irn_n(node, be_pos_Return_mem);
+ ir_entity *ent = get_irg_entity(irg);
+ ir_type *tp = get_entity_type(ent);
+ dbg_info *dbgi;
+ ir_node *block;
+ ir_type *res_type;
+ ir_mode *mode;
+ ir_node *frame, *sse_store, *fld, *mproj, *barrier;
+ ir_node *new_barrier, *new_ret_val, *new_ret_mem;
+ ir_node **in;
+ int pn_ret_val, pn_ret_mem, arity, i;
+
+ assert(ret_val != NULL);
+ if (be_Return_get_n_rets(node) < 1 || ! USE_SSE2(env->cg)) {
+ return duplicate_node(env, node);
+ }
+
+ res_type = get_method_res_type(tp, 0);
+
+ if (! is_Primitive_type(res_type)) {
+ return duplicate_node(env, node);
+ }
+
+ mode = get_type_mode(res_type);
+ if (! mode_is_float(mode)) {
+ return duplicate_node(env, node);
+ }
+
+ assert(get_method_n_ress(tp) == 1);
+
+ pn_ret_val = get_Proj_proj(ret_val);
+ pn_ret_mem = get_Proj_proj(ret_mem);
+
+ /* get the Barrier */
+ barrier = get_Proj_pred(ret_val);
+
+ /* get result input of the Barrier */
+ ret_val = get_irn_n(barrier, pn_ret_val);
+ new_ret_val = transform_node(env, ret_val);
+
+ /* get memory input of the Barrier */
+ ret_mem = get_irn_n(barrier, pn_ret_mem);
+ new_ret_mem = transform_node(env, ret_mem);
+
+ frame = get_irg_frame(irg);
+
+ dbgi = get_irn_dbg_info(barrier);
+ block = transform_node(env, get_nodes_block(barrier));
+
+ /* store xmm0 onto stack */
+ sse_store = new_rd_ia32_xStoreSimple(dbgi, irg, block, frame, new_ret_val, new_ret_mem);
+ set_ia32_ls_mode(sse_store, mode);
+ set_ia32_op_type(sse_store, ia32_AddrModeD);
+ set_ia32_use_frame(sse_store);
+ set_ia32_am_flavour(sse_store, ia32_am_B);
+ set_ia32_am_support(sse_store, ia32_am_Dest);
+
+ /* load into st0 */
+ fld = new_rd_ia32_SetST0(dbgi, irg, block, frame, sse_store);
+ set_ia32_ls_mode(fld, mode);
+ set_ia32_op_type(fld, ia32_AddrModeS);
+ set_ia32_use_frame(fld);
+ set_ia32_am_flavour(fld, ia32_am_B);
+ set_ia32_am_support(fld, ia32_am_Source);
+
+ mproj = new_r_Proj(irg, block, fld, mode_M, pn_ia32_SetST0_M);
+ fld = new_r_Proj(irg, block, fld, mode_vfp, pn_ia32_SetST0_res);
+ arch_set_irn_register(env->cg->arch_env, fld, &ia32_vfp_regs[REG_VF0]);
+
+ /* create a new barrier */
+ arity = get_irn_arity(barrier);
+ in = alloca(arity * sizeof(in[0]));
+ for (i = 0; i < arity; ++i) {
+ ir_node *new_in;
+
+ if (i == pn_ret_val) {
+ new_in = fld;
+ } else if (i == pn_ret_mem) {
+ new_in = mproj;
+ } else {
+ ir_node *in = get_irn_n(barrier, i);
+ new_in = transform_node(env, in);
+ }
+ in[i] = new_in;
+ }
+
+ new_barrier = new_ir_node(dbgi, irg, block,
+ get_irn_op(barrier), get_irn_mode(barrier),
+ arity, in);
+ copy_node_attr(barrier, new_barrier);
+ duplicate_deps(env, barrier, new_barrier);
+ set_new_node(barrier, new_barrier);
+ mark_irn_visited(barrier);
+
+ /* transform normally */
+ return duplicate_node(env, node);
+}
+
+/**
+ * Transform a be_AddSP into an ia32_AddSP. Eat up const sizes.
+ */
+static ir_node *gen_be_AddSP(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *sz = get_irn_n(node, be_pos_AddSP_size);
+ ir_node *new_sz = transform_node(env, sz);
+ ir_node *sp = get_irn_n(node, be_pos_AddSP_old_sp);
+ ir_node *new_sp = transform_node(env, sp);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *nomem = new_NoMem();
+ ir_node *new_op;
+
+ /* ia32 stack grows in reverse direction, make a SubSP */
+ new_op = new_rd_ia32_SubSP(dbgi, irg, block, noreg, noreg, new_sp, new_sz, nomem);
+ set_ia32_am_support(new_op, ia32_am_Source);
+ fold_immediate(env, new_op, 2, 3);
+
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+
+ return new_op;
+}
+
+/**
+ * Transform a be_SubSP into an ia32_SubSP. Eat up const sizes.
+ */
+static ir_node *gen_be_SubSP(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *sz = get_irn_n(node, be_pos_SubSP_size);
+ ir_node *new_sz = transform_node(env, sz);
+ ir_node *sp = get_irn_n(node, be_pos_SubSP_old_sp);
+ ir_node *new_sp = transform_node(env, sp);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *nomem = new_NoMem();
+ ir_node *new_op;
+
+ /* ia32 stack grows in reverse direction, make an AddSP */
+ new_op = new_rd_ia32_AddSP(dbgi, irg, block, noreg, noreg, new_sp, new_sz, nomem);
+ set_ia32_am_support(new_op, ia32_am_Source);
+ fold_immediate(env, new_op, 2, 3);
+
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+
+ return new_op;
+}
+
+/**
+ * This function just sets the register for the Unknown node
+ * as this is not done during register allocation because Unknown
+ * is an "ignore" node.
+ */
+static ir_node *gen_Unknown(ia32_transform_env_t *env, ir_node *node) {
+ ir_mode *mode = get_irn_mode(node);
+
+ if (mode_is_float(mode)) {
+ if (USE_SSE2(env->cg))
+ return ia32_new_Unknown_xmm(env->cg);
+ else
+ return ia32_new_Unknown_vfp(env->cg);
+ } else if (mode_needs_gp_reg(mode)) {
+ return ia32_new_Unknown_gp(env->cg);
+ } else {
+ assert(0 && "unsupported Unknown-Mode");
+ }
+
+ return NULL;
+}
+
+/**
+ * Change some phi modes
+ */
+static ir_node *gen_Phi(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *mode = get_irn_mode(node);
+ ir_node *phi;
+ int i, arity;
+
+ if(mode_needs_gp_reg(mode)) {
+ /* we shouldn't have any 64bit stuff around anymore */
+ assert(get_mode_size_bits(mode) <= 32);
+ /* all integer operations are on 32bit registers now */
+ mode = mode_Iu;
+ } else if(mode_is_float(mode)) {
+ assert(mode == mode_D || mode == mode_F);
+ if (USE_SSE2(env->cg)) {
+ mode = mode_xmm;
+ } else {
+ mode = mode_vfp;
+ }
+ }
+
+ /* phi nodes allow loops, so we use the old arguments for now
+ * and fix this later */
+ phi = new_ir_node(dbgi, irg, block, op_Phi, mode, get_irn_arity(node), get_irn_in(node) + 1);
+ copy_node_attr(node, phi);
+ duplicate_deps(env, node, phi);
+
+ set_new_node(node, phi);
+
+ /* put the preds in the worklist */
+ arity = get_irn_arity(node);
+ for (i = 0; i < arity; ++i) {
+ ir_node *pred = get_irn_n(node, i);
+ pdeq_putr(env->worklist, pred);
+ }
+
+ return phi;
+}
+
+/**********************************************************************
+ * _ _ _
+ * | | | | | |
+ * | | _____ _____ _ __ ___ __| | _ __ ___ __| | ___ ___
+ * | |/ _ \ \ /\ / / _ \ '__/ _ \/ _` | | '_ \ / _ \ / _` |/ _ \/ __|
+ * | | (_) \ V V / __/ | | __/ (_| | | | | | (_) | (_| | __/\__ \
+ * |_|\___/ \_/\_/ \___|_| \___|\__,_| |_| |_|\___/ \__,_|\___||___/
+ *
+ **********************************************************************/
+
+/* These nodes are created in intrinsic lowering (64bit -> 32bit) */
+
+typedef ir_node *construct_load_func(dbg_info *db, ir_graph *irg, ir_node *block, ir_node *base, ir_node *index, \
+ ir_node *mem);
+
+typedef ir_node *construct_store_func(dbg_info *db, ir_graph *irg, ir_node *block, ir_node *base, ir_node *index, \
+ ir_node *val, ir_node *mem);
+
+/**
+ * Transforms a lowered Load into a "real" one.
+ */
+static ir_node *gen_lowered_Load(ia32_transform_env_t *env, ir_node *node, construct_load_func func, char fp_unit) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *ptr = get_irn_n(node, 0);
+ ir_node *new_ptr = transform_node(env, ptr);
+ ir_node *mem = get_irn_n(node, 1);
+ ir_node *new_mem = transform_node(env, mem);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *mode = get_ia32_ls_mode(node);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *new_op;
+
+ /*
+ Could be that we have SSE2 unit, but due to 64Bit Div/Conv
+ lowering we have x87 nodes, so we need to enforce simulation.
+ */
+ if (mode_is_float(mode)) {
+ FP_USED(env->cg);
+ if (fp_unit == fp_x87)
+ FORCE_x87(env->cg);
+ }
+
+ new_op = func(dbgi, irg, block, new_ptr, noreg, new_mem);
+
+ set_ia32_am_support(new_op, ia32_am_Source);
+ set_ia32_op_type(new_op, ia32_AddrModeS);
+ set_ia32_am_flavour(new_op, ia32_am_OB);
+ set_ia32_am_offs_int(new_op, 0);
+ set_ia32_am_scale(new_op, 1);
+ set_ia32_am_sc(new_op, get_ia32_am_sc(node));
+ if (is_ia32_am_sc_sign(node))
+ set_ia32_am_sc_sign(new_op);
+ set_ia32_ls_mode(new_op, get_ia32_ls_mode(node));
+ if (is_ia32_use_frame(node)) {
+ set_ia32_frame_ent(new_op, get_ia32_frame_ent(node));
+ set_ia32_use_frame(new_op);
+ }
+
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+
+ return new_op;
+}
+
+/**
+* Transforms a lowered Store into a "real" one.
+*/
+static ir_node *gen_lowered_Store(ia32_transform_env_t *env, ir_node *node, construct_store_func func, char fp_unit) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *ptr = get_irn_n(node, 0);
+ ir_node *new_ptr = transform_node(env, ptr);
+ ir_node *val = get_irn_n(node, 1);
+ ir_node *new_val = transform_node(env, val);
+ ir_node *mem = get_irn_n(node, 2);
+ ir_node *new_mem = transform_node(env, mem);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_mode *mode = get_ia32_ls_mode(node);
+ ir_node *new_op;
+ long am_offs;
+ ia32_am_flavour_t am_flav = ia32_B;
+
+ /*
+ Could be that we have SSE2 unit, but due to 64Bit Div/Conv
+ lowering we have x87 nodes, so we need to enforce simulation.
+ */
+ if (mode_is_float(mode)) {
+ FP_USED(env->cg);
+ if (fp_unit == fp_x87)
+ FORCE_x87(env->cg);
+ }
+
+ new_op = func(dbgi, irg, block, new_ptr, noreg, new_val, new_mem);
+
+ if ((am_offs = get_ia32_am_offs_int(node)) != 0) {
+ am_flav |= ia32_O;
+ add_ia32_am_offs_int(new_op, am_offs);
+ }
+
+ set_ia32_am_support(new_op, ia32_am_Dest);
+ set_ia32_op_type(new_op, ia32_AddrModeD);
+ set_ia32_am_flavour(new_op, am_flav);
+ set_ia32_ls_mode(new_op, mode);
+ set_ia32_frame_ent(new_op, get_ia32_frame_ent(node));
+ set_ia32_use_frame(new_op);
+
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+
+ return new_op;
+}
+
+
+/**
+ * Transforms an ia32_l_XXX into a "real" XXX node
+ *
+ * @param env The transformation environment
+ * @return the created ia32 XXX node
+ */
+#define GEN_LOWERED_OP(op) \
+ static ir_node *gen_ia32_l_##op(ia32_transform_env_t *env, ir_node *node) {\
+ ir_mode *mode = get_irn_mode(node); \
+ if (mode_is_float(mode)) \
+ FP_USED(env->cg); \
+ return gen_binop(env, node, get_binop_left(node), \
+ get_binop_right(node), new_rd_ia32_##op); \
+ }
+
+#define GEN_LOWERED_x87_OP(op) \
+ static ir_node *gen_ia32_l_##op(ia32_transform_env_t *env, ir_node *node) {\
+ ir_node *new_op; \
+ FORCE_x87(env->cg); \
+ new_op = gen_binop_float(env, node, get_binop_left(node), \
+ get_binop_right(node), new_rd_ia32_##op); \
+ return new_op; \
+ }
+
+#define GEN_LOWERED_UNOP(op) \
+ static ir_node *gen_ia32_l_##op(ia32_transform_env_t *env, ir_node *node) {\
+ return gen_unop(env, node, get_unop_op(node), new_rd_ia32_##op); \
+ }
+
+#define GEN_LOWERED_SHIFT_OP(op) \
+ static ir_node *gen_ia32_l_##op(ia32_transform_env_t *env, ir_node *node) {\
+ return gen_shift_binop(env, node, get_binop_left(node), \
+ get_binop_right(node), new_rd_ia32_##op); \
+ }
+
+#define GEN_LOWERED_LOAD(op, fp_unit) \
+ static ir_node *gen_ia32_l_##op(ia32_transform_env_t *env, ir_node *node) {\
+ return gen_lowered_Load(env, node, new_rd_ia32_##op, fp_unit); \
+ }
+
+#define GEN_LOWERED_STORE(op, fp_unit) \
+ static ir_node *gen_ia32_l_##op(ia32_transform_env_t *env, ir_node *node) {\
+ return gen_lowered_Store(env, node, new_rd_ia32_##op, fp_unit); \
+ }
+
+GEN_LOWERED_OP(Adc)
+GEN_LOWERED_OP(Add)
+GEN_LOWERED_OP(Sbb)
+GEN_LOWERED_OP(Sub)
+GEN_LOWERED_OP(IMul)
+GEN_LOWERED_OP(Xor)
+GEN_LOWERED_x87_OP(vfprem)
+GEN_LOWERED_x87_OP(vfmul)
+GEN_LOWERED_x87_OP(vfsub)
+
+GEN_LOWERED_UNOP(Neg)
+
+GEN_LOWERED_LOAD(vfild, fp_x87)
+GEN_LOWERED_LOAD(Load, fp_none)
+/*GEN_LOWERED_STORE(vfist, fp_x87)
+ *TODO
+ */
+GEN_LOWERED_STORE(Store, fp_none)
+
+static ir_node *gen_ia32_l_vfdiv(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *left = get_binop_left(node);
+ ir_node *new_left = transform_node(env, left);
+ ir_node *right = get_binop_right(node);
+ ir_node *new_right = transform_node(env, right);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *vfdiv;
+
+ vfdiv = new_rd_ia32_vfdiv(dbgi, irg, block, noreg, noreg, new_left, new_right, new_NoMem());
+ clear_ia32_commutative(vfdiv);
+ set_ia32_am_support(vfdiv, ia32_am_Source);
+ fold_immediate(env, vfdiv, 2, 3);
+
+ SET_IA32_ORIG_NODE(vfdiv, ia32_get_old_node_name(env->cg, node));
+
+ FORCE_x87(env->cg);
+
+ return vfdiv;
+}
+
+/**
+ * Transforms a l_MulS into a "real" MulS node.
+ *
+ * @param env The transformation environment
+ * @return the created ia32 Mul node
+ */
+static ir_node *gen_ia32_l_Mul(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *left = get_binop_left(node);
+ ir_node *new_left = transform_node(env, left);
+ ir_node *right = get_binop_right(node);
+ ir_node *new_right = transform_node(env, right);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *in[2];
+
+ /* l_Mul is already a mode_T node, so we create the Mul in the normal way */
+ /* and then skip the result Proj, because all needed Projs are already there. */
+ ir_node *muls = new_rd_ia32_Mul(dbgi, irg, block, noreg, noreg, new_left, new_right, new_NoMem());
+ clear_ia32_commutative(muls);
+ set_ia32_am_support(muls, ia32_am_Source);
+ fold_immediate(env, muls, 2, 3);
+
+ /* check if EAX and EDX proj exist, add missing one */
+ in[0] = new_rd_Proj(dbgi, irg, block, muls, mode_Iu, pn_EAX);
+ in[1] = new_rd_Proj(dbgi, irg, block, muls, mode_Iu, pn_EDX);
+ be_new_Keep(&ia32_reg_classes[CLASS_ia32_gp], irg, block, 2, in);
+
+ SET_IA32_ORIG_NODE(muls, ia32_get_old_node_name(env->cg, node));
+
+ return muls;
+}
+
+GEN_LOWERED_SHIFT_OP(Shl)
+GEN_LOWERED_SHIFT_OP(Shr)
+GEN_LOWERED_SHIFT_OP(Sar)
+
+/**
+ * Transforms a l_ShlD/l_ShrD into a ShlD/ShrD. Those nodes have 3 data inputs:
+ * op1 - target to be shifted
+ * op2 - contains bits to be shifted into target
+ * op3 - shift count
+ * Only op3 can be an immediate.
+ */
+static ir_node *gen_lowered_64bit_shifts(ia32_transform_env_t *env, ir_node *node,
+ ir_node *op1, ir_node *op2,
+ ir_node *count)
+{
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *new_op1 = transform_node(env, op1);
+ ir_node *new_op2 = transform_node(env, op2);
+ ir_node *new_count = transform_node(env, count);
+ ir_node *new_op = NULL;
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *nomem = new_NoMem();
+ ir_node *imm_op;
+ tarval *tv;
+
+ assert(! mode_is_float(get_irn_mode(node)) && "Shift/Rotate with float not supported");
+
+ /* Check if immediate optimization is on and */
+ /* if it's an operation with immediate. */
+ imm_op = (env->cg->opt & IA32_OPT_IMMOPS) ? get_immediate_op(NULL, new_count) : NULL;
+
+ /* Limit imm_op within range imm8 */
+ if (imm_op) {
+ tv = get_ia32_Immop_tarval(imm_op);
+
+ if (tv) {
+ tv = tarval_mod(tv, new_tarval_from_long(32, get_tarval_mode(tv)));
+ set_ia32_Immop_tarval(imm_op, tv);
+ }
+ else {
+ imm_op = NULL;
+ }
+ }
+
+ /* integer operations */
+ if (imm_op) {
+ /* This is ShiftD with const */
+ DB((dbg, LEVEL_1, "ShiftD with immediate ..."));
+
+ if (is_ia32_l_ShlD(node))
+ new_op = new_rd_ia32_ShlD(dbgi, irg, block, noreg, noreg,
+ new_op1, new_op2, noreg, nomem);
+ else
+ new_op = new_rd_ia32_ShrD(dbgi, irg, block, noreg, noreg,
+ new_op1, new_op2, noreg, nomem);
+ copy_ia32_Immop_attr(new_op, imm_op);
+ }
+ else {
+ /* This is a normal ShiftD */
+ DB((dbg, LEVEL_1, "ShiftD binop ..."));
+ if (is_ia32_l_ShlD(node))
+ new_op = new_rd_ia32_ShlD(dbgi, irg, block, noreg, noreg,
+ new_op1, new_op2, new_count, nomem);
+ else
+ new_op = new_rd_ia32_ShrD(dbgi, irg, block, noreg, noreg,
+ new_op1, new_op2, new_count, nomem);
+ }
+
+ /* set AM support */
+ // Matze: node has unsupported format (6inputs)
+ //set_ia32_am_support(new_op, ia32_am_Dest);
+
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, node));
+
+ set_ia32_emit_cl(new_op);
+
+ return new_op;
+}
+
+static ir_node *gen_ia32_l_ShlD(ia32_transform_env_t *env, ir_node *node) {
+ return gen_lowered_64bit_shifts(env, node, get_irn_n(node, 0),
+ get_irn_n(node, 1), get_irn_n(node, 2));
+}
+
+static ir_node *gen_ia32_l_ShrD(ia32_transform_env_t *env, ir_node *node) {
+ return gen_lowered_64bit_shifts(env, node, get_irn_n(node, 0),
+ get_irn_n(node, 1), get_irn_n(node, 2));
+}
+
+/**
+ * In case SSE Unit is used, the node is transformed into a vfst + xLoad.
+ */
+static ir_node *gen_ia32_l_X87toSSE(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *val = get_irn_n(node, 1);
+ ir_node *new_val = transform_node(env, val);
+ ia32_code_gen_t *cg = env->cg;
+ ir_node *res = NULL;
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi;
+ ir_node *noreg, *new_ptr, *new_mem;
+ ir_node *ptr, *mem;
+
+ if (USE_SSE2(cg)) {
+ return new_val;
+ }
+
+ mem = get_irn_n(node, 2);
+ new_mem = transform_node(env, mem);
+ ptr = get_irn_n(node, 0);
+ new_ptr = transform_node(env, ptr);
+ noreg = ia32_new_NoReg_gp(cg);
+ dbgi = get_irn_dbg_info(node);
+
+ /* Store x87 -> MEM */
+ res = new_rd_ia32_vfst(dbgi, irg, block, new_ptr, noreg, new_val, new_mem);
+ set_ia32_frame_ent(res, get_ia32_frame_ent(node));
+ set_ia32_use_frame(res);
+ set_ia32_ls_mode(res, get_ia32_ls_mode(node));
+ set_ia32_am_support(res, ia32_am_Dest);
+ set_ia32_am_flavour(res, ia32_B);
+ set_ia32_op_type(res, ia32_AddrModeD);
+
+ /* Load MEM -> SSE */
+ res = new_rd_ia32_xLoad(dbgi, irg, block, new_ptr, noreg, res);
+ set_ia32_frame_ent(res, get_ia32_frame_ent(node));
+ set_ia32_use_frame(res);
+ set_ia32_ls_mode(res, get_ia32_ls_mode(node));
+ set_ia32_am_support(res, ia32_am_Source);
+ set_ia32_am_flavour(res, ia32_B);
+ set_ia32_op_type(res, ia32_AddrModeS);
+ res = new_rd_Proj(dbgi, irg, block, res, mode_xmm, pn_ia32_xLoad_res);
+
+ return res;
}
+/**
+ * In case SSE Unit is used, the node is transformed into a xStore + vfld.
+ */
+static ir_node *gen_ia32_l_SSEtoX87(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *val = get_irn_n(node, 1);
+ ir_node *new_val = transform_node(env, val);
+ ia32_code_gen_t *cg = env->cg;
+ ir_graph *irg = env->irg;
+ ir_node *res = NULL;
+ ir_entity *fent = get_ia32_frame_ent(node);
+ ir_mode *lsmode = get_ia32_ls_mode(node);
+ int offs = 0;
+ ir_node *noreg, *new_ptr, *new_mem;
+ ir_node *ptr, *mem;
+ dbg_info *dbgi;
+
+ if (! USE_SSE2(cg)) {
+ /* SSE unit is not used -> skip this node. */
+ return new_val;
+ }
+
+ ptr = get_irn_n(node, 0);
+ new_ptr = transform_node(env, ptr);
+ mem = get_irn_n(node, 2);
+ new_mem = transform_node(env, mem);
+ noreg = ia32_new_NoReg_gp(cg);
+ dbgi = get_irn_dbg_info(node);
+
+ /* Store SSE -> MEM */
+ if (is_ia32_xLoad(skip_Proj(new_val))) {
+ ir_node *ld = skip_Proj(new_val);
+
+ /* we can vfld the value directly into the fpu */
+ fent = get_ia32_frame_ent(ld);
+ ptr = get_irn_n(ld, 0);
+ offs = get_ia32_am_offs_int(ld);
+ } else {
+ res = new_rd_ia32_xStore(dbgi, irg, block, new_ptr, noreg, new_val, new_mem);
+ set_ia32_frame_ent(res, fent);
+ set_ia32_use_frame(res);
+ set_ia32_ls_mode(res, lsmode);
+ set_ia32_am_support(res, ia32_am_Dest);
+ set_ia32_am_flavour(res, ia32_B);
+ set_ia32_op_type(res, ia32_AddrModeD);
+ mem = res;
+ }
+
+ /* Load MEM -> x87 */
+ res = new_rd_ia32_vfld(dbgi, irg, block, new_ptr, noreg, new_mem);
+ set_ia32_frame_ent(res, fent);
+ set_ia32_use_frame(res);
+ set_ia32_ls_mode(res, lsmode);
+ add_ia32_am_offs_int(res, offs);
+ set_ia32_am_support(res, ia32_am_Source);
+ set_ia32_am_flavour(res, ia32_B);
+ set_ia32_op_type(res, ia32_AddrModeS);
+ res = new_rd_Proj(dbgi, irg, block, res, mode_vfp, pn_ia32_vfld_res);
+ return res;
+}
/*********************************************************
* _ _ _
*
*********************************************************/
+/**
+ * the BAD transformer.
+ */
+static ir_node *bad_transform(ia32_transform_env_t *env, ir_node *node) {
+ panic("No transform function for %+F available.\n", node);
+ return NULL;
+}
+
+static ir_node *gen_End(ia32_transform_env_t *env, ir_node *node) {
+ /* end has to be duplicated manually because we need a dynamic in array */
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ int i, arity;
+ ir_node *new_end;
+
+ new_end = new_ir_node(dbgi, irg, block, op_End, mode_X, -1, NULL);
+ copy_node_attr(node, new_end);
+ duplicate_deps(env, node, new_end);
+
+ set_irg_end(irg, new_end);
+ set_new_node(new_end, new_end);
+
+ /* transform preds */
+ arity = get_irn_arity(node);
+ for (i = 0; i < arity; ++i) {
+ ir_node *in = get_irn_n(node, i);
+ ir_node *new_in = transform_node(env, in);
+
+ add_End_keepalive(new_end, new_in);
+ }
+
+ return new_end;
+}
+
+static ir_node *gen_Block(ia32_transform_env_t *env, ir_node *node) {
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *start_block = env->old_anchors[anchor_start_block];
+ ir_node *block;
+ int i, arity;
+
+ /*
+ * We replace the ProjX from the start node with a jump,
+ * so the startblock has no preds anymore now
+ */
+ if (node == start_block) {
+ return new_rd_Block(dbgi, irg, 0, NULL);
+ }
+
+ /* we use the old blocks for now, because jumps allow cycles in the graph
+ * we have to fix this later */
+ block = new_ir_node(dbgi, irg, NULL, get_irn_op(node), get_irn_mode(node),
+ get_irn_arity(node), get_irn_in(node) + 1);
+ copy_node_attr(node, block);
+
+#ifdef DEBUG_libfirm
+ block->node_nr = node->node_nr;
+#endif
+ set_new_node(node, block);
+
+ /* put the preds in the worklist */
+ arity = get_irn_arity(node);
+ for (i = 0; i < arity; ++i) {
+ ir_node *in = get_irn_n(node, i);
+ pdeq_putr(env->worklist, in);
+ }
+
+ return block;
+}
+
+static ir_node *gen_Proj_be_AddSP(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *pred = get_Proj_pred(node);
+ ir_node *new_pred = transform_node(env, pred);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ long proj = get_Proj_proj(node);
+
+ if (proj == pn_be_AddSP_res) {
+ ir_node *res = new_rd_Proj(dbgi, irg, block, new_pred, mode_Iu, pn_ia32_AddSP_stack);
+ arch_set_irn_register(env->cg->arch_env, res, &ia32_gp_regs[REG_ESP]);
+ return res;
+ } else if (proj == pn_be_AddSP_M) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_ia32_AddSP_M);
+ }
+
+ assert(0);
+ return new_rd_Unknown(irg, get_irn_mode(node));
+}
+
+static ir_node *gen_Proj_be_SubSP(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *pred = get_Proj_pred(node);
+ ir_node *new_pred = transform_node(env, pred);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ long proj = get_Proj_proj(node);
+
+ if (proj == pn_be_SubSP_res) {
+ ir_node *res = new_rd_Proj(dbgi, irg, block, new_pred, mode_Iu, pn_ia32_AddSP_stack);
+ arch_set_irn_register(env->cg->arch_env, res, &ia32_gp_regs[REG_ESP]);
+ return res;
+ } else if (proj == pn_be_SubSP_M) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_ia32_SubSP_M);
+ }
+
+ assert(0);
+ return new_rd_Unknown(irg, get_irn_mode(node));
+}
+
+static ir_node *gen_Proj_Load(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *pred = get_Proj_pred(node);
+ ir_node *new_pred = transform_node(env, pred);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ long proj = get_Proj_proj(node);
+
+ /* renumber the proj */
+ if (is_ia32_Load(new_pred)) {
+ if (proj == pn_Load_res) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_Iu, pn_ia32_Load_res);
+ } else if (proj == pn_Load_M) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_ia32_Load_M);
+ }
+ } else if (is_ia32_xLoad(new_pred)) {
+ if (proj == pn_Load_res) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_xmm, pn_ia32_xLoad_res);
+ } else if (proj == pn_Load_M) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_ia32_xLoad_M);
+ }
+ } else if (is_ia32_vfld(new_pred)) {
+ if (proj == pn_Load_res) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_vfp, pn_ia32_vfld_res);
+ } else if (proj == pn_Load_M) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_ia32_vfld_M);
+ }
+ }
+
+ assert(0);
+ return new_rd_Unknown(irg, get_irn_mode(node));
+}
+
+static ir_node *gen_Proj_DivMod(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *pred = get_Proj_pred(node);
+ ir_node *new_pred = transform_node(env, pred);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *mode = get_irn_mode(node);
+ long proj = get_Proj_proj(node);
+
+ assert(is_ia32_Div(new_pred) || is_ia32_IDiv(new_pred));
+
+ switch (get_irn_opcode(pred)) {
+ case iro_Div:
+ switch (proj) {
+ case pn_Div_M:
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_ia32_Div_M);
+ case pn_Div_res:
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_Iu, pn_ia32_Div_div_res);
+ default:
+ break;
+ }
+ break;
+ case iro_Mod:
+ switch (proj) {
+ case pn_Mod_M:
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_ia32_Div_M);
+ case pn_Mod_res:
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_Iu, pn_ia32_Div_mod_res);
+ default:
+ break;
+ }
+ break;
+ case iro_DivMod:
+ switch (proj) {
+ case pn_DivMod_M:
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_ia32_Div_M);
+ case pn_DivMod_res_div:
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_Iu, pn_ia32_Div_div_res);
+ case pn_DivMod_res_mod:
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_Iu, pn_ia32_Div_mod_res);
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+
+ assert(0);
+ return new_rd_Unknown(irg, mode);
+}
+
+static ir_node *gen_Proj_CopyB(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *pred = get_Proj_pred(node);
+ ir_node *new_pred = transform_node(env, pred);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *mode = get_irn_mode(node);
+ long proj = get_Proj_proj(node);
+
+ switch(proj) {
+ case pn_CopyB_M_regular:
+ if (is_ia32_CopyB_i(new_pred)) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_ia32_CopyB_i_M);
+ } else if (is_ia32_CopyB(new_pred)) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_ia32_CopyB_M);
+ }
+ break;
+ default:
+ break;
+ }
+
+ assert(0);
+ return new_rd_Unknown(irg, mode);
+}
+
+static ir_node *gen_Proj_l_vfdiv(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *pred = get_Proj_pred(node);
+ ir_node *new_pred = transform_node(env, pred);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *mode = get_irn_mode(node);
+ long proj = get_Proj_proj(node);
+
+ switch (proj) {
+ case pn_ia32_l_vfdiv_M:
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_ia32_vfdiv_M);
+ case pn_ia32_l_vfdiv_res:
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_vfp, pn_ia32_vfdiv_res);
+ default:
+ assert(0);
+ }
+
+ return new_rd_Unknown(irg, mode);
+}
+
+static ir_node *gen_Proj_Quot(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *pred = get_Proj_pred(node);
+ ir_node *new_pred = transform_node(env, pred);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *mode = get_irn_mode(node);
+ long proj = get_Proj_proj(node);
+
+ switch(proj) {
+ case pn_Quot_M:
+ if (is_ia32_xDiv(new_pred)) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_ia32_xDiv_M);
+ } else if (is_ia32_vfdiv(new_pred)) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_ia32_vfdiv_M);
+ }
+ break;
+ case pn_Quot_res:
+ if (is_ia32_xDiv(new_pred)) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_xmm, pn_ia32_xDiv_res);
+ } else if (is_ia32_vfdiv(new_pred)) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_vfp, pn_ia32_vfdiv_res);
+ }
+ break;
+ default:
+ break;
+ }
+
+ assert(0);
+ return new_rd_Unknown(irg, mode);
+}
+
+static ir_node *gen_Proj_tls(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = NULL;
+ ir_node *res = new_rd_ia32_LdTls(dbgi, irg, block, mode_Iu);
+
+ return res;
+}
+
+static ir_node *gen_Proj_be_Call(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_node *call = get_Proj_pred(node);
+ ir_node *new_call = transform_node(env, call);
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ long proj = get_Proj_proj(node);
+ ir_mode *mode = get_irn_mode(node);
+ ir_node *sse_load;
+ const arch_register_class_t *cls;
+
+ /* The following is kinda tricky: If we're using SSE, then we have to
+ * move the result value of the call in floating point registers to an
+ * xmm register, we therefore construct a GetST0 -> xLoad sequence
+ * after the call, we have to make sure to correctly make the
+ * MemProj and the result Proj use these 2 nodes
+ */
+ if (proj == pn_be_Call_M_regular) {
+ // get new node for result, are we doing the sse load/store hack?
+ ir_node *call_res = be_get_Proj_for_pn(call, pn_be_Call_first_res);
+ ir_node *call_res_new;
+ ir_node *call_res_pred = NULL;
+
+ if (call_res != NULL) {
+ call_res_new = transform_node(env, call_res);
+ call_res_pred = get_Proj_pred(call_res_new);
+ }
+
+ if (call_res_pred == NULL || be_is_Call(call_res_pred)) {
+ return new_rd_Proj(dbgi, irg, block, new_call, mode_M, pn_be_Call_M_regular);
+ } else {
+ assert(is_ia32_xLoad(call_res_pred));
+ return new_rd_Proj(dbgi, irg, block, call_res_pred, mode_M, pn_ia32_xLoad_M);
+ }
+ }
+ if (proj == pn_be_Call_first_res && mode_is_float(mode) && USE_SSE2(env->cg)) {
+ ir_node *fstp;
+ ir_node *frame = get_irg_frame(irg);
+ ir_node *noreg = ia32_new_NoReg_gp(env->cg);
+ ir_node *p;
+ ir_node *call_mem = be_get_Proj_for_pn(call, pn_be_Call_M_regular);
+ ir_node *keepin[1];
+ const arch_register_class_t *cls;
+
+ /* in case there is no memory output: create one to serialize the copy FPU -> SSE */
+ call_mem = new_rd_Proj(dbgi, irg, block, new_call, mode_M, pn_be_Call_M_regular);
+
+ /* store st(0) onto stack */
+ fstp = new_rd_ia32_GetST0(dbgi, irg, block, frame, noreg, call_mem);
+
+ set_ia32_ls_mode(fstp, mode);
+ set_ia32_op_type(fstp, ia32_AddrModeD);
+ set_ia32_use_frame(fstp);
+ set_ia32_am_flavour(fstp, ia32_am_B);
+ set_ia32_am_support(fstp, ia32_am_Dest);
+
+ /* load into SSE register */
+ sse_load = new_rd_ia32_xLoad(dbgi, irg, block, frame, noreg, fstp);
+ set_ia32_ls_mode(sse_load, mode);
+ set_ia32_op_type(sse_load, ia32_AddrModeS);
+ set_ia32_use_frame(sse_load);
+ set_ia32_am_flavour(sse_load, ia32_am_B);
+ set_ia32_am_support(sse_load, ia32_am_Source);
+
+ sse_load = new_rd_Proj(dbgi, irg, block, sse_load, mode_xmm, pn_ia32_xLoad_res);
+
+ /* now: create new Keep whith all former ins and one additional in - the result Proj */
+
+ /* get a Proj representing a caller save register */
+ p = be_get_Proj_for_pn(call, pn_be_Call_first_res + 1);
+ assert(is_Proj(p) && "Proj expected.");
+
+ /* user of the the proj is the Keep */
+ p = get_edge_src_irn(get_irn_out_edge_first(p));
+ assert(be_is_Keep(p) && "Keep expected.");
+
+ /* keep the result */
+ cls = arch_get_irn_reg_class(env->cg->arch_env, sse_load, -1);
+ keepin[0] = sse_load;
+ be_new_Keep(cls, irg, block, 1, keepin);
+
+ return sse_load;
+ }
+
+ /* transform call modes */
+ if (mode_is_data(mode)) {
+ cls = arch_get_irn_reg_class(env->cg->arch_env, node, -1);
+ mode = cls->mode;
+ }
+
+ return new_rd_Proj(dbgi, irg, block, new_call, mode, proj);
+}
+
+static ir_node *gen_Proj(ia32_transform_env_t *env, ir_node *node) {
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *pred = get_Proj_pred(node);
+ long proj = get_Proj_proj(node);
+
+ if (is_Store(pred) || be_is_FrameStore(pred)) {
+ if (proj == pn_Store_M) {
+ return transform_node(env, pred);
+ } else {
+ assert(0);
+ return new_r_Bad(irg);
+ }
+ } else if (is_Load(pred) || be_is_FrameLoad(pred)) {
+ return gen_Proj_Load(env, node);
+ } else if (is_Div(pred) || is_Mod(pred) || is_DivMod(pred)) {
+ return gen_Proj_DivMod(env, node);
+ } else if (is_CopyB(pred)) {
+ return gen_Proj_CopyB(env, node);
+ } else if (is_Quot(pred)) {
+ return gen_Proj_Quot(env, node);
+ } else if (is_ia32_l_vfdiv(pred)) {
+ return gen_Proj_l_vfdiv(env, node);
+ } else if (be_is_SubSP(pred)) {
+ return gen_Proj_be_SubSP(env, node);
+ } else if (be_is_AddSP(pred)) {
+ return gen_Proj_be_AddSP(env, node);
+ } else if (be_is_Call(pred)) {
+ return gen_Proj_be_Call(env, node);
+ } else if (get_irn_op(pred) == op_Start) {
+ if (proj == pn_Start_X_initial_exec) {
+ ir_node *block = get_nodes_block(pred);
+ ir_node *jump;
+
+ /* we exchange the ProjX with a jump */
+ block = transform_node(env, block);
+ jump = new_rd_Jmp(dbgi, irg, block);
+ ir_fprintf(stderr, "created jump: %+F\n", jump);
+ return jump;
+ }
+ if (node == env->old_anchors[anchor_tls]) {
+ return gen_Proj_tls(env, node);
+ }
+ } else {
+ ir_node *new_pred = transform_node(env, pred);
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_mode *mode = get_irn_mode(node);
+ if (mode_needs_gp_reg(mode)) {
+ return new_r_Proj(irg, block, new_pred, mode_Iu, get_Proj_proj(node));
+ }
+ }
+ return duplicate_node(env, node);
+}
/**
- * Transforms the given firm node (and maybe some other related nodes)
- * into one or more assembler nodes.
- *
- * @param node the firm node
- * @param env the debug module
+ * Enters all transform functions into the generic pointer
+ */
+static void register_transformers(void) {
+ ir_op *op_Max, *op_Min, *op_Mulh;
+
+ /* first clear the generic function pointer for all ops */
+ clear_irp_opcodes_generic_func();
+
+#define GEN(a) { transform_func *func = gen_##a; op_##a->ops.generic = (op_func) func; }
+#define BAD(a) op_##a->ops.generic = (op_func)bad_transform
+
+ GEN(Add);
+ GEN(Sub);
+ GEN(Mul);
+ GEN(And);
+ GEN(Or);
+ GEN(Eor);
+
+ GEN(Shl);
+ GEN(Shr);
+ GEN(Shrs);
+ GEN(Rot);
+
+ GEN(Quot);
+
+ GEN(Div);
+ GEN(Mod);
+ GEN(DivMod);
+
+ GEN(Minus);
+ GEN(Conv);
+ GEN(Abs);
+ GEN(Not);
+
+ GEN(Load);
+ GEN(Store);
+ GEN(Cond);
+
+ GEN(CopyB);
+ //GEN(Mux);
+ BAD(Mux);
+ GEN(Psi);
+ GEN(Proj);
+ GEN(Phi);
+
+ GEN(Block);
+ GEN(End);
+
+ /* transform ops from intrinsic lowering */
+ GEN(ia32_l_Add);
+ GEN(ia32_l_Adc);
+ GEN(ia32_l_Sub);
+ GEN(ia32_l_Sbb);
+ GEN(ia32_l_Neg);
+ GEN(ia32_l_Mul);
+ GEN(ia32_l_Xor);
+ GEN(ia32_l_IMul);
+ GEN(ia32_l_Shl);
+ GEN(ia32_l_Shr);
+ GEN(ia32_l_Sar);
+ GEN(ia32_l_ShlD);
+ GEN(ia32_l_ShrD);
+ GEN(ia32_l_vfdiv);
+ GEN(ia32_l_vfprem);
+ GEN(ia32_l_vfmul);
+ GEN(ia32_l_vfsub);
+ GEN(ia32_l_vfild);
+ GEN(ia32_l_Load);
+ /* GEN(ia32_l_vfist); TODO */
+ GEN(ia32_l_Store);
+ GEN(ia32_l_X87toSSE);
+ GEN(ia32_l_SSEtoX87);
+
+ GEN(Const);
+ GEN(SymConst);
+
+ /* we should never see these nodes */
+ BAD(Raise);
+ BAD(Sel);
+ BAD(InstOf);
+ BAD(Cast);
+ BAD(Free);
+ BAD(Tuple);
+ BAD(Id);
+ //BAD(Bad);
+ BAD(Confirm);
+ BAD(Filter);
+ BAD(CallBegin);
+ BAD(EndReg);
+ BAD(EndExcept);
+
+ /* handle generic backend nodes */
+ GEN(be_FrameAddr);
+ //GEN(be_Call);
+ GEN(be_Return);
+ GEN(be_FrameLoad);
+ GEN(be_FrameStore);
+ GEN(be_StackParam);
+ GEN(be_AddSP);
+ GEN(be_SubSP);
+
+ /* set the register for all Unknown nodes */
+ GEN(Unknown);
+
+ op_Max = get_op_Max();
+ if (op_Max)
+ GEN(Max);
+ op_Min = get_op_Min();
+ if (op_Min)
+ GEN(Min);
+ op_Mulh = get_op_Mulh();
+ if (op_Mulh)
+ GEN(Mulh);
+
+#undef GEN
+#undef BAD
+}
+
+static void duplicate_deps(ia32_transform_env_t *env, ir_node *old_node,
+ ir_node *new_node)
+{
+ int i;
+ int deps = get_irn_deps(old_node);
+
+ for (i = 0; i < deps; ++i) {
+ ir_node *dep = get_irn_dep(old_node, i);
+ ir_node *new_dep = transform_node(env, dep);
+
+ add_irn_dep(new_node, new_dep);
+ }
+}
+
+static ir_node *duplicate_node(ia32_transform_env_t *env, ir_node *node)
+{
+ ir_node *block = transform_node(env, get_nodes_block(node));
+ ir_graph *irg = env->irg;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *mode = get_irn_mode(node);
+ ir_op *op = get_irn_op(node);
+ ir_node *new_node;
+ int i, arity;
+
+ arity = get_irn_arity(node);
+ if (op->opar == oparity_dynamic) {
+ new_node = new_ir_node(dbgi, irg, block, op, mode, -1, NULL);
+ for (i = 0; i < arity; ++i) {
+ ir_node *in = get_irn_n(node, i);
+ in = transform_node(env, in);
+ add_irn_n(new_node, in);
+ }
+ } else {
+ ir_node **ins = alloca(arity * sizeof(ins[0]));
+ for (i = 0; i < arity; ++i) {
+ ir_node *in = get_irn_n(node, i);
+ ins[i] = transform_node(env, in);
+ }
+
+ new_node = new_ir_node(dbgi, irg, block, op, mode, arity, ins);
+ }
+
+ copy_node_attr(node, new_node);
+ duplicate_deps(env, node, new_node);
+
+#ifdef DEBUG_libfirm
+ new_node->node_nr = node->node_nr;
+#endif
+
+ return new_node;
+}
+
+/**
+ * Calls transformation function for given node and marks it visited.
+ */
+static ir_node *transform_node(ia32_transform_env_t *env, ir_node *node) {
+ ir_node *new_node;
+ ir_op *op = get_irn_op(node);
+
+ if (irn_visited(node)) {
+ assert(get_new_node(node) != NULL);
+ return get_new_node(node);
+ }
+
+ mark_irn_visited(node);
+ DEBUG_ONLY(set_new_node(node, NULL));
+
+ if (op->ops.generic) {
+ transform_func *transform = (transform_func *)op->ops.generic;
+
+ new_node = (*transform)(env, node);
+ assert(new_node != NULL);
+ } else {
+ new_node = duplicate_node(env, node);
+ }
+ DB((dbg, LEVEL_4, "%+F -> %+F\n", node, new_node));
+
+ set_new_node(node, new_node);
+ mark_irn_visited(new_node);
+ hook_dead_node_elim_subst(current_ir_graph, node, new_node);
+ return new_node;
+}
+
+/**
+ * Rewire nodes which are potential loops (like Phis) to avoid endless loops.
*/
-void ia32_transform_node(ir_node *node, void *env) {
- firm_dbg_module_t *mod = (firm_dbg_module_t *)env;
- opcode code = get_irn_opcode(node);
- ir_node *asm_node = NULL;
- ir_node *block;
- ir_mode *mode;
+static void fix_loops(ia32_transform_env_t *env, ir_node *node) {
+ int i, arity;
- if (is_Block(node))
+ if (irn_visited(node))
return;
- block = get_nodes_block(node);
- mode = get_irn_mode(node);
-
-#define BINOP_COM(a) case iro_##a: asm_node = gen_arith_Op(mod, block, node, get_irn_n(node, 0), get_irn_n(node, 1), mode, 1); break
-#define BINOP_NCOM(a) case iro_##a: asm_node = gen_arith_Op(mod, block, node, get_irn_n(node, 0), get_irn_n(node, 1), mode, 0); break
-#define TRIOP(a) case iro_##a: asm_node = gen_##a(mod, get_irn_dbg_info(node), block, get_irn_n(node, 0), get_irn_n(node, 1), get_irn_n(node, 2), mode); break
-#define UNOP(a) case iro_##a: asm_node = gen_##a(mod, block, node, get_irn_n(node, 0), mode); break
-#define GEN(a) case iro_##a: asm_node = gen_##a(mod, block, node, mode); break
-#define IGN(a) case iro_##a: break
-#define BAD(a) case iro_##a: goto bad
-
- DBG((mod, LEVEL_1, "transforming node %s (%ld) ... ", get_irn_opname(node), get_irn_node_nr(node)));
-
- switch (code) {
- BINOP_COM(Add);
- BINOP_COM(Mul);
- BINOP_COM(And);
- BINOP_COM(Or);
- BINOP_COM(Eor);
-
- BINOP_NCOM(Sub);
- TRIOP(Mod);
- TRIOP(Div);
- TRIOP(DivMod);
- BINOP_NCOM(Shl);
- BINOP_NCOM(Shr);
- BINOP_NCOM(Shrs);
- BINOP_NCOM(Quot);
-
- UNOP(Minus);
- UNOP(Conv);
- UNOP(Abs);
- UNOP(Not);
-
- GEN(Load);
- GEN(Store);
- GEN(Call);
- GEN(Const);
- GEN(SymConst);
- GEN(Cond);
-
- GEN(Proj);
-
- IGN(Block);
- IGN(Start);
- IGN(End);
- IGN(NoMem);
- IGN(Phi);
- IGN(IJmp);
- IGN(Break);
- IGN(Cmp);
-
- BAD(Raise);
- BAD(Sel);
- BAD(InstOf);
- BAD(Cast);
- BAD(Alloc);
- BAD(Free);
- BAD(Sync);
- BAD(Tuple);
- BAD(Id);
- BAD(Bad);
- BAD(Confirm);
- BAD(Unknown);
- BAD(Filter);
- BAD(CallBegin);
- BAD(EndReg);
- BAD(EndExcept);
- BAD(Mux);
- BAD(CopyB);
+ mark_irn_visited(node);
- default:
- if (get_irn_op(node) == get_op_Mulh() ||
- get_irn_op(node) == get_op_Max() ||
- get_irn_op(node) == get_op_Min())
- {
- asm_node = gen_arith_Op(mod, block, node, get_irn_n(node, 0), get_irn_n(node, 1), mode, 1);
+ assert(node_is_in_irgs_storage(env->irg, node));
+
+ if (! is_Block(node)) {
+ ir_node *block = get_nodes_block(node);
+ ir_node *new_block = (ir_node *)get_irn_link(block);
+
+ if (new_block != NULL) {
+ set_nodes_block(node, new_block);
+ block = new_block;
+ }
+
+ fix_loops(env, block);
+ }
+
+ arity = get_irn_arity(node);
+ for (i = 0; i < arity; ++i) {
+ ir_node *in = get_irn_n(node, i);
+ ir_node *nw = (ir_node *)get_irn_link(in);
+
+ if (nw != NULL && nw != in) {
+ set_irn_n(node, i, nw);
+ in = nw;
+ }
+
+ fix_loops(env, in);
+ }
+
+ arity = get_irn_deps(node);
+ for (i = 0; i < arity; ++i) {
+ ir_node *in = get_irn_dep(node, i);
+ ir_node *nw = (ir_node *)get_irn_link(in);
+
+ if (nw != NULL && nw != in) {
+ set_irn_dep(node, i, nw);
+ in = nw;
+ }
+
+ fix_loops(env, in);
+ }
+}
+
+static void pre_transform_node(ir_node **place, ia32_transform_env_t *env)
+{
+ if (*place == NULL)
+ return;
+
+ *place = transform_node(env, *place);
+}
+
+/**
+ * Transforms all nodes. Deletes the old obstack and creates a new one.
+ */
+static void transform_nodes(ia32_code_gen_t *cg) {
+ int i;
+ ir_graph *irg = cg->irg;
+ ir_node *old_end;
+ ia32_transform_env_t env;
+
+ hook_dead_node_elim(irg, 1);
+
+ inc_irg_visited(irg);
+
+ env.irg = irg;
+ env.cg = cg;
+ env.visited = get_irg_visited(irg);
+ env.worklist = new_pdeq();
+ env.old_anchors = alloca(anchor_max * sizeof(env.old_anchors[0]));
+
+ old_end = get_irg_end(irg);
+
+ /* put all anchor nodes in the worklist */
+ for (i = 0; i < anchor_max; ++i) {
+ ir_node *anchor = irg->anchors[i];
+
+ if (anchor == NULL)
+ continue;
+ pdeq_putr(env.worklist, anchor);
+
+ /* remember anchor */
+ env.old_anchors[i] = anchor;
+ /* and set it to NULL to make sure we don't accidently use it */
+ irg->anchors[i] = NULL;
+ }
+
+ /* pre transform some anchors (so they are available in the other transform
+ * functions) */
+ set_irg_bad(irg, transform_node(&env, env.old_anchors[anchor_bad]));
+ set_irg_no_mem(irg, transform_node(&env, env.old_anchors[anchor_no_mem]));
+ set_irg_start_block(irg, transform_node(&env, env.old_anchors[anchor_start_block]));
+ set_irg_start(irg, transform_node(&env, env.old_anchors[anchor_start]));
+ set_irg_frame(irg, transform_node(&env, env.old_anchors[anchor_frame]));
+
+ pre_transform_node(&cg->unknown_gp, &env);
+ pre_transform_node(&cg->unknown_vfp, &env);
+ pre_transform_node(&cg->unknown_xmm, &env);
+ pre_transform_node(&cg->noreg_gp, &env);
+ pre_transform_node(&cg->noreg_vfp, &env);
+ pre_transform_node(&cg->noreg_xmm, &env);
+
+ /* process worklist (this should transform all nodes in the graph) */
+ while (! pdeq_empty(env.worklist)) {
+ ir_node *node = pdeq_getl(env.worklist);
+ transform_node(&env, node);
+ }
+
+ /* fix loops and set new anchors*/
+ inc_irg_visited(irg);
+ for (i = 0; i < anchor_max; ++i) {
+ ir_node *anchor = env.old_anchors[i];
+
+ if (anchor == NULL)
+ continue;
+
+ anchor = get_irn_link(anchor);
+ fix_loops(&env, anchor);
+ assert(irg->anchors[i] == NULL || irg->anchors[i] == anchor);
+ irg->anchors[i] = anchor;
+ }
+
+ del_pdeq(env.worklist);
+ free_End(old_end);
+ hook_dead_node_elim(irg, 0);
+}
+
+void ia32_transform_graph(ia32_code_gen_t *cg)
+{
+ ir_graph *irg = cg->irg;
+ be_irg_t *birg = cg->birg;
+ ir_graph *old_current_ir_graph = current_ir_graph;
+ int old_interprocedural_view = get_interprocedural_view();
+ struct obstack *old_obst = NULL;
+ struct obstack *new_obst = NULL;
+
+ current_ir_graph = irg;
+ set_interprocedural_view(0);
+ register_transformers();
+
+ /* most analysis info is wrong after transformation */
+ free_callee_info(irg);
+ free_irg_outs(irg);
+ irg->outs_state = outs_none;
+ free_trouts();
+ free_loop_information(irg);
+ set_irg_doms_inconsistent(irg);
+ be_invalidate_liveness(birg);
+ be_invalidate_dom_front(birg);
+
+ /* create a new obstack */
+ old_obst = irg->obst;
+ new_obst = xmalloc(sizeof(*new_obst));
+ obstack_init(new_obst);
+ irg->obst = new_obst;
+ irg->last_node_idx = 0;
+
+ /* create new value table for CSE */
+ del_identities(irg->value_table);
+ irg->value_table = new_identities();
+
+ /* do the main transformation */
+ transform_nodes(cg);
+
+ /* we don't want the globals anchor anymore */
+ set_irg_globals(irg, new_r_Bad(irg));
+
+ /* free the old obstack */
+ obstack_free(old_obst, 0);
+ xfree(old_obst);
+
+ /* restore state */
+ current_ir_graph = old_current_ir_graph;
+ set_interprocedural_view(old_interprocedural_view);
+
+ /* recalculate edges */
+ edges_deactivate(irg);
+ edges_activate(irg);
+}
+
+/**
+ * Transforms a psi condition.
+ */
+static void transform_psi_cond(ir_node *cond, ir_mode *mode, ia32_code_gen_t *cg) {
+ int i;
+
+ /* if the mode is target mode, we have already seen this part of the tree */
+ if (get_irn_mode(cond) == mode)
+ return;
+
+ assert(get_irn_mode(cond) == mode_b && "logical operator for condition must be mode_b");
+
+ set_irn_mode(cond, mode);
+
+ for (i = get_irn_arity(cond) - 1; i >= 0; i--) {
+ ir_node *in = get_irn_n(cond, i);
+
+ /* if in is a compare: transform into Set/xCmp */
+ if (is_Proj(in)) {
+ ir_node *new_op = NULL;
+ ir_node *cmp = get_Proj_pred(in);
+ ir_node *cmp_a = get_Cmp_left(cmp);
+ ir_node *cmp_b = get_Cmp_right(cmp);
+ dbg_info *dbgi = get_irn_dbg_info(cmp);
+ ir_graph *irg = get_irn_irg(cmp);
+ ir_node *block = get_nodes_block(cmp);
+ ir_node *noreg = ia32_new_NoReg_gp(cg);
+ ir_node *nomem = new_rd_NoMem(irg);
+ int pnc = get_Proj_proj(in);
+
+ /* this is a compare */
+ if (mode_is_float(mode)) {
+ /* Psi is float, we need a floating point compare */
+
+ if (USE_SSE2(cg)) {
+ ir_mode *m = get_irn_mode(cmp_a);
+ /* SSE FPU */
+ if (! mode_is_float(m)) {
+ cmp_a = gen_sse_conv_int2float(cg, dbgi, irg, block, cmp_a, cmp_a, mode);
+ cmp_b = gen_sse_conv_int2float(cg, dbgi, irg, block, cmp_b, cmp_b, mode);
+ } else if (m == mode_F) {
+ /* we convert cmp values always to double, to get correct bitmask with cmpsd */
+ cmp_a = gen_sse_conv_f2d(cg, dbgi, irg, block, cmp_a, cmp_a);
+ cmp_b = gen_sse_conv_f2d(cg, dbgi, irg, block, cmp_b, cmp_b);
+ }
+
+ new_op = new_rd_ia32_xCmp(dbgi, irg, block, noreg, noreg, cmp_a, cmp_b, nomem);
+ set_ia32_pncode(new_op, pnc);
+ SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(cg, cmp));
+ } else {
+ /* x87 FPU */
+ assert(0);
+ }
+ } else {
+ /* integer Psi */
+ construct_binop_func *set_func = NULL;
+
+ if (mode_is_float(get_irn_mode(cmp_a))) {
+ /* 1st case: compare operands are floats */
+ FP_USED(cg);
+
+ if (USE_SSE2(cg)) {
+ /* SSE FPU */
+ set_func = new_rd_ia32_xCmpSet;
+ } else {
+ /* x87 FPU */
+ set_func = new_rd_ia32_vfCmpSet;
+ }
+
+ pnc &= 7; /* fp compare -> int compare */
+ } else {
+ /* 2nd case: compare operand are integer too */
+ set_func = new_rd_ia32_CmpSet;
+ }
+
+ new_op = set_func(dbgi, irg, block, noreg, noreg, cmp_a, cmp_b, nomem);
+ if (! mode_is_signed(mode))
+ pnc |= ia32_pn_Cmp_Unsigned;
+
+ set_ia32_pncode(new_op, pnc);
+ set_ia32_am_support(new_op, ia32_am_Source);
}
- break;
-bad:
- fprintf(stderr, "Not implemented: %s\n", get_irn_opname(node));
- assert(0);
+
+ /* the the new compare as in */
+ set_irn_n(cond, i, new_op);
+ } else {
+ /* another complex condition */
+ transform_psi_cond(in, mode, cg);
+ }
}
+}
+
+/**
+ * The Psi selector can be a tree of compares combined with "And"s and "Or"s.
+ * We create a Set node, respectively a xCmp in case the Psi is a float, for
+ * each compare, which causes the compare result to be stored in a register. The
+ * "And"s and "Or"s are transformed later, we just have to set their mode right.
+ */
+void ia32_transform_psi_cond_tree(ir_node *node, void *env) {
+ ia32_code_gen_t *cg = env;
+ ir_node *psi_sel, *new_cmp, *block;
+ ir_graph *irg;
+ ir_mode *mode;
- if (asm_node) {
- exchange(node, asm_node);
- DBG((mod, LEVEL_1, "created node %+F[%p]\n", asm_node, asm_node));
+ /* check for Psi */
+ if (get_irn_opcode(node) != iro_Psi)
+ return;
+
+ psi_sel = get_Psi_cond(node, 0);
+
+ /* if psi_cond is a cmp: do nothing, this case is covered by gen_Psi */
+ if (is_Proj(psi_sel)) {
+ assert(is_Cmp(get_Proj_pred(psi_sel)));
+ return;
}
- else {
- DBG((mod, LEVEL_1, "ignored\n"));
+
+ //mode = get_irn_mode(node);
+ // TODO probably wrong...
+ mode = mode_Iu;
+
+ transform_psi_cond(psi_sel, mode, cg);
+
+ irg = get_irn_irg(node);
+ block = get_nodes_block(node);
+
+ /* we need to compare the evaluated condition tree with 0 */
+ mode = get_irn_mode(node);
+ if (mode_is_float(mode)) {
+ /* BEWARE: new_r_Const_long works for floating point as well */
+ ir_node *zero = new_r_Const_long(irg, block, mode, 0);
+
+ psi_sel = gen_sse_conv_int2float(cg, NULL, irg, block, psi_sel, NULL, mode);
+ new_cmp = new_r_Cmp(irg, block, psi_sel, zero);
+ new_cmp = new_r_Proj(irg, block, new_cmp, mode_b, pn_Cmp_Ne);
+ } else {
+ ir_node *zero = new_r_Const_long(irg, block, mode_Iu, 0);
+ new_cmp = new_r_Cmp(irg, block, psi_sel, zero);
+ new_cmp = new_r_Proj(irg, block, new_cmp, mode_b, pn_Cmp_Gt | pn_Cmp_Lt);
}
+
+ set_Psi_cond(node, 0, new_cmp);
+}
+
+void ia32_init_transform(void)
+{
+ FIRM_DBG_REGISTER(dbg, "firm.be.ia32.transform");
}