-/* The codegenerator (transform FIRM into arm FIRM */
-/* $Id$ */
+/*
+ * Copyright (C) 1995-2008 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 The codegenerator (transform FIRM into arm FIRM)
+ * @author Oliver Richter, Tobias Gneist, Michael Beck
+ * @version $Id$
+ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "dbginfo.h"
#include "iropt_t.h"
#include "debug.h"
+#include "error.h"
#include "../benode_t.h"
+#include "../beirg_t.h"
+#include "../beutil.h"
+#include "../betranshlp.h"
#include "bearch_arm_t.h"
#include "arm_nodes_attr.h"
-#include "../arch/archop.h" /* we need this for Min and Max nodes */
+#include "archop.h"
#include "arm_transform.h"
#include "arm_new_nodes.h"
#include "arm_map_regs.h"
#include <limits.h>
-extern ir_op *get_op_Mulh(void);
+/** hold the current code generator during transformation */
+static arm_code_gen_t *env_cg;
+extern ir_op *get_op_Mulh(void);
/****************************************************************************************************
*
****************************************************************************************************/
+static INLINE int mode_needs_gp_reg(ir_mode *mode) {
+ return mode_is_int(mode) || mode_is_reference(mode);
+}
+
typedef struct vals_ {
int ops;
unsigned char values[4];
}
/**
- * construct 8bit values und rot amounts for a value
+ * construct 8bit values and rot amounts for a value
*/
static void gen_vals_from_word(unsigned int value, vals *result)
{
/**
* Creates a arm_Const node.
*/
-static ir_node *create_const_node(ir_node *irn, ir_node *block, long value) {
- tarval *tv = new_tarval_from_long(value, mode_Iu);
- dbg_info *dbg = get_irn_dbg_info(irn);
- return new_rd_arm_Mov_i(dbg, current_ir_graph, block, get_irn_mode(irn), tv);
+static ir_node *create_const_node(dbg_info *dbg, ir_node *block, long value) {
+ ir_mode *mode = mode_Iu;
+ ir_graph *irg = current_ir_graph;
+ ir_node *res;
+
+ if (mode_needs_gp_reg(mode))
+ mode = mode_Iu;
+ res = new_rd_arm_Mov_i(dbg, irg, block, mode, value);
+ /* ensure the const is scheduled AFTER the stack frame */
+ add_irn_dep(res, get_irg_frame(irg));
+ return res;
}
/**
* Creates a arm_Const_Neg node.
*/
-static ir_node *create_const_neg_node(ir_node *irn, ir_node *block, long value) {
- tarval *tv = new_tarval_from_long(value, mode_Iu);
- dbg_info *dbg = get_irn_dbg_info(irn);
- return new_rd_arm_Mvn_i(dbg, current_ir_graph, block, get_irn_mode(irn), tv);
+static ir_node *create_const_neg_node(dbg_info *dbg, ir_node *block, long value) {
+ ir_mode *mode = mode_Iu;
+ ir_graph *irg = current_ir_graph;
+ ir_node *res;
+
+ if (mode_needs_gp_reg(mode))
+ mode = mode_Iu;
+ res = new_rd_arm_Mvn_i(dbg, irg, block, mode, value);
+ /* ensure the const is scheduled AFTER the stack frame */
+ add_irn_dep(res, get_irg_frame(irg));
+ return res;
}
#define NEW_BINOP_NODE(opname, env, op1, op2) new_rd_arm_##opname(env->dbg, current_ir_graph, env->block, op1, op2, env->mode)
/**
* Decode an immediate with shifter operand
*/
-unsigned int arm_decode_imm_w_shift(tarval *tv) {
- unsigned l = get_tarval_long(tv);
+unsigned int arm_decode_imm_w_shift(long imm_value) {
+ unsigned l = (unsigned)imm_value;
unsigned rol = (l & ~0xFF) >> 7;
return do_rol(l & 0xFF, rol);
/**
* Creates a possible DAG for an constant.
*/
-static ir_node *create_const_graph_value(ir_node *irn, ir_node *block, unsigned int value) {
+static ir_node *create_const_graph_value(dbg_info *dbg, ir_node *block, unsigned int value) {
ir_node *result;
vals v, vn;
int cnt;
- ir_mode *mode = get_irn_mode(irn);
- dbg_info *dbg = get_irn_dbg_info(irn);
+ ir_mode *mode = mode_Iu;
gen_vals_from_word(value, &v);
gen_vals_from_word(~value, &vn);
if (vn.ops < v.ops) {
/* remove bits */
- result = create_const_neg_node(irn, block, arm_encode_imm_w_shift(vn.shifts[0], vn.values[0]));
+ result = create_const_neg_node(dbg, block, arm_encode_imm_w_shift(vn.shifts[0], vn.values[0]));
for (cnt = 1; cnt < vn.ops; ++cnt) {
- tarval *tv = new_tarval_from_long(arm_encode_imm_w_shift(vn.shifts[cnt], vn.values[cnt]), mode_Iu);
- ir_node *bic_i_node = new_rd_arm_Bic_i(dbg, current_ir_graph, block, result, mode, tv);
+ long value = arm_encode_imm_w_shift(vn.shifts[cnt], vn.values[cnt]);
+ ir_node *bic_i_node = new_rd_arm_Bic_i(dbg, current_ir_graph, block, result, mode, value);
result = bic_i_node;
}
}
else {
/* add bits */
- result = create_const_node(irn, block, arm_encode_imm_w_shift(v.shifts[0], v.values[0]));
+ result = create_const_node(dbg, block, arm_encode_imm_w_shift(v.shifts[0], v.values[0]));
for (cnt = 1; cnt < v.ops; ++cnt) {
- tarval *tv = new_tarval_from_long(arm_encode_imm_w_shift(v.shifts[cnt], v.values[cnt]), mode_Iu);
- ir_node *orr_i_node = new_rd_arm_Or_i(dbg, current_ir_graph, block, result, mode, tv);
+ long value = arm_encode_imm_w_shift(v.shifts[cnt], v.values[cnt]);
+ ir_node *orr_i_node = new_rd_arm_Or_i(dbg, current_ir_graph, block, result, mode, value);
result = orr_i_node;
}
}
* @param irn a Firm const
*/
static ir_node *create_const_graph(ir_node *irn, ir_node *block) {
- int value = get_tarval_long(get_Const_tarval(irn));
- return create_const_graph_value(irn, block, value);
-}
-
-
-/**
- * Creates code for a Firm Const node.
- */
-static ir_node *gen_Const(ir_node *irn, arm_code_gen_t *cg) {
- ir_graph *irg = current_ir_graph;
- ir_node *block = get_nodes_block(irn);
- ir_mode *mode = get_irn_mode(irn);
- dbg_info *dbg = get_irn_dbg_info(irn);
+ tarval *tv = get_Const_tarval(irn);
+ ir_mode *mode = get_tarval_mode(tv);
+ int value;
- if (mode_is_float(mode)) {
- if (USE_FPA(cg->isa))
- return new_rd_arm_fpaConst(dbg, irg, block, mode, get_Const_tarval(irn));
- else if (USE_VFP(cg->isa))
- assert(mode != mode_E && "IEEE Extended FP not supported");
- assert(0 && "NYI");
+ if (mode_is_reference(mode)) {
+ /* ARM is 32bit, so we can safely convert a reference tarval into Iu */
+ assert(get_mode_size_bits(mode) == get_mode_size_bits(mode_Iu));
+ tv = tarval_convert_to(tv, mode_Iu);
}
- else if (mode_is_reference(mode))
- return irn;
- return create_const_graph(irn, block);
+ value = get_tarval_long(tv);
+ return create_const_graph_value(get_irn_dbg_info(irn), block, value);
}
-static ir_node *gen_mask(ir_node *irn, ir_node *op, int result_bits) {
- ir_node *block = get_nodes_block(irn);
+/**
+ * Create an And that will mask all upper bits
+ */
+static ir_node *gen_zero_extension(dbg_info *dbg, ir_node *block, ir_node *op, int result_bits) {
unsigned mask_bits = (1 << result_bits) - 1;
- ir_node *mask_node = create_const_graph_value(irn, block, mask_bits);
- dbg_info *dbg = get_irn_dbg_info(irn);
- return new_rd_arm_And(dbg, current_ir_graph, block, op, mask_node, get_irn_mode(irn), ARM_SHF_NONE, NULL);
+ ir_node *mask_node = create_const_graph_value(dbg, block, mask_bits);
+ return new_rd_arm_And(dbg, current_ir_graph, block, op, mask_node, mode_Iu, ARM_SHF_NONE, 0);
}
-static ir_node *gen_sign_extension(ir_node *irn, ir_node *op, int result_bits) {
- ir_node *block = get_nodes_block(irn);
+/**
+ * Generate code for a sign extension.
+ */
+static ir_node *gen_sign_extension(dbg_info *dbg, ir_node *block, ir_node *op, int result_bits) {
+ ir_graph *irg = current_ir_graph;
int shift_width = 32 - result_bits;
- ir_graph *irg = current_ir_graph;
- ir_node *shift_const_node = create_const_graph_value(irn, block, shift_width);
- dbg_info *dbg = get_irn_dbg_info(irn);
- ir_node *lshift_node = new_rd_arm_Shl(dbg, irg, block, op, shift_const_node, get_irn_mode(op));
- ir_node *rshift_node = new_rd_arm_Shrs(dbg, irg, block, lshift_node, shift_const_node, get_irn_mode(irn));
+ ir_node *shift_const_node = create_const_graph_value(dbg, block, shift_width);
+ ir_node *lshift_node = new_rd_arm_Shl(dbg, irg, block, op, shift_const_node, mode_Iu);
+ ir_node *rshift_node = new_rd_arm_Shrs(dbg, irg, block, lshift_node, shift_const_node, mode_Iu);
return rshift_node;
}
/**
* Transforms a Conv node.
*
- * @param env The transformation environment
- * @return the created arm Conv node
+ * @return The created ia32 Conv node
*/
-static ir_node *gen_Conv(ir_node *irn, arm_code_gen_t *cg) {
- ir_graph *irg = current_ir_graph;
- ir_node *block = get_nodes_block(irn);
- ir_node *op = get_Conv_op(irn);
- ir_mode *in_mode = get_irn_mode(op);
- ir_mode *out_mode = get_irn_mode(irn);
- dbg_info *dbg = get_irn_dbg_info(irn);
-
- if (in_mode == out_mode)
- return op;
-
- if (mode_is_float(in_mode) || mode_is_float(out_mode)) {
- cg->have_fp = 1;
-
- if (USE_FPA(cg->isa)) {
- if (mode_is_float(in_mode)) {
- if (mode_is_float(out_mode)) {
+static ir_node *gen_Conv(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *op = get_Conv_op(node);
+ ir_node *new_op = be_transform_node(op);
+ ir_graph *irg = current_ir_graph;
+ ir_mode *src_mode = get_irn_mode(op);
+ ir_mode *dst_mode = get_irn_mode(node);
+ dbg_info *dbg = get_irn_dbg_info(node);
+
+ if (src_mode == dst_mode)
+ return new_op;
+
+ if (mode_is_float(src_mode) || mode_is_float(dst_mode)) {
+ env_cg->have_fp_insn = 1;
+
+ if (USE_FPA(env_cg->isa)) {
+ if (mode_is_float(src_mode)) {
+ if (mode_is_float(dst_mode)) {
/* from float to float */
- return new_rd_arm_fpaMov(dbg, irg, block, op, out_mode);
+ return new_rd_arm_fpaMvf(dbg, irg, block, new_op, dst_mode);
}
else {
/* from float to int */
- return new_rd_arm_fpaFix(dbg, irg, block, op, out_mode);
+ return new_rd_arm_fpaFix(dbg, irg, block, new_op, dst_mode);
}
}
else {
/* from int to float */
- return new_rd_arm_fpaFlt(dbg, irg, block, op, out_mode);
+ return new_rd_arm_fpaFlt(dbg, irg, block, new_op, dst_mode);
}
}
- assert(0 && "NYI");
+ else if (USE_VFP(env_cg->isa)) {
+ panic("VFP not supported yet\n");
+ return NULL;
+ }
+ else {
+ panic("Softfloat not supported yet\n");
+ return NULL;
+ }
}
else { /* complete in gp registers */
- int in_bits = get_mode_size_bits(in_mode);
- int out_bits = get_mode_size_bits(out_mode);
- int in_sign = get_mode_sign(in_mode);
- int out_sign = get_mode_sign(out_mode);
-
- // 32 -> 32
- // NOPpen
- if (in_bits == out_bits && in_bits == 32)
- return op;
-
- // 16 -> 16
- // unsigned -> unsigned
- // NOP
- // unsigned -> signed
- // sign extension (31:16)=(15)
- // signed -> unsigned
- // maskieren (31:16)=0
- // signed -> signed
- // NOP
- if (in_bits == out_bits && out_bits < 32) {
- if (in_sign && !out_sign) {
- return gen_mask(irn, op, out_bits);
- } else {
- return gen_sign_extension(irn, op, out_bits);
+ int src_bits = get_mode_size_bits(src_mode);
+ int dst_bits = get_mode_size_bits(dst_mode);
+ int min_bits;
+ ir_mode *min_mode;
+
+ if (is_Load(skip_Proj(op))) {
+ if (src_bits == dst_bits) {
+ /* kill unneccessary conv */
+ return new_op;
}
+ /* after a load, the bit size is already converted */
+ src_bits = 32;
}
- // 16 -> 32
- // unsigned -> unsigned
- // NOP
- // unsigned -> signed
- // NOP
- // signed -> unsigned
- // sign extension (31:16)=(15)
- // signed -> signed
- // sign extension (31:16)=(15)
- if (in_bits < out_bits) {
- if (in_sign) {
- return gen_sign_extension(irn, op, out_bits);
+ if (src_bits == dst_bits) {
+ /* kill unneccessary conv */
+ return new_op;
+ } else if (dst_bits <= 32 && src_bits <= 32) {
+ if (src_bits < dst_bits) {
+ min_bits = src_bits;
+ min_mode = src_mode;
} else {
- return op;
+ min_bits = dst_bits;
+ min_mode = dst_mode;
}
- }
-
- // 32 -> 16
- // unsigned -> unsigned
- // maskieren (31:16)=0
- // unsigned -> signed
- // maskieren (31:16)=0
- // signed -> unsigned
- // maskieren (31:16)=0
- // signed -> signed
- // sign extension (erledigt auch maskieren) (31:16)=(15)
- if (in_bits > out_bits) {
- if (in_sign && out_sign) {
- return gen_sign_extension(irn, op, out_bits);
+ if (mode_is_signed(min_mode)) {
+ return gen_sign_extension(dbg, block, new_op, min_bits);
} else {
- return gen_mask(irn, op, out_bits);
+ return gen_zero_extension(dbg, block, new_op, min_bits);
}
+ } else {
+ panic("Cannot handle Conv %+F->%+F with %d->%d bits\n", src_mode, dst_mode,
+ src_bits, dst_bits);
+ return NULL;
}
- assert(0 && "recheck integer conversion logic!");
- return irn;
}
- return NULL;
}
/**
*pmod = mod;
if (mod != ARM_SHF_NONE) {
- long v = get_tarval_long(get_arm_value(n));
+ long v = get_arm_imm_value(n);
if (v < 32)
return (int)v;
}
}
/**
- * Creates an arm Add.
+ * Creates an ARM Add.
*
- * @param env The transformation environment
* @return the created arm Add node
*/
-static ir_node *gen_Add(ir_node *irn, arm_code_gen_t *cg) {
- ir_node *block = get_nodes_block(irn);
- ir_node *op1 = get_Add_left(irn);
- ir_node *op2 = get_Add_right(irn);
- ir_mode *mode = get_irn_mode(irn);
- ir_graph *irg = current_ir_graph;
- ir_node *op3;
+static ir_node *gen_Add(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *op1 = get_Add_left(node);
+ ir_node *new_op1 = be_transform_node(op1);
+ ir_node *op2 = get_Add_right(node);
+ ir_node *new_op2 = be_transform_node(op2);
+ ir_mode *mode = get_irn_mode(node);
+ ir_graph *irg = current_ir_graph;
+ ir_node *new_op3;
int v;
arm_shift_modifier mod;
- dbg_info *dbg = get_irn_dbg_info(irn);
+ dbg_info *dbg = get_irn_dbg_info(node);
if (mode_is_float(mode)) {
- cg->have_fp = 1;
- if (USE_FPA(cg->isa))
- return new_rd_arm_fpaAdd(dbg, irg, block, op1, op2, mode);
- else if (USE_VFP(cg->isa)) {
+ env_cg->have_fp_insn = 1;
+ if (USE_FPA(env_cg->isa)) {
+ if (is_arm_fpaMvf_i(new_op1))
+ return new_rd_arm_fpaAdf_i(dbg, irg, block, new_op2, mode, get_arm_imm_value(new_op1));
+ if (is_arm_fpaMvf_i(new_op2))
+ return new_rd_arm_fpaAdf_i(dbg, irg, block, new_op1, mode, get_arm_imm_value(new_op2));
+ return new_rd_arm_fpaAdf(dbg, irg, block, new_op1, new_op2, mode);
+ } else if (USE_VFP(env_cg->isa)) {
assert(mode != mode_E && "IEEE Extended FP not supported");
+ panic("VFP not supported yet\n");
+ return NULL;
}
- assert(0 && "NYI");
- }
- if (mode_is_numP(mode)) {
- if (is_arm_Mov_i(op1))
- return new_rd_arm_Add_i(dbg, irg, block, op2, mode, get_arm_value(op1));
- if (is_arm_Mov_i(op2))
- return new_rd_arm_Add_i(dbg, irg, block, op1, mode, get_arm_value(op2));
+ else {
+ panic("Softfloat not supported yet\n");
+ return NULL;
+ }
+ } else {
+ assert(mode_is_data(mode));
+ mode = mode_Iu;
+
+ if (is_arm_Mov_i(new_op1))
+ return new_rd_arm_Add_i(dbg, irg, block, new_op2, mode, get_arm_imm_value(new_op1));
+ if (is_arm_Mov_i(new_op2))
+ return new_rd_arm_Add_i(dbg, irg, block, new_op1, mode, get_arm_imm_value(new_op2));
/* check for MLA */
- if (is_arm_Mul(op1) && get_irn_n_edges(op1) == 1) {
- op3 = op2;
- op2 = get_irn_n(op1, 1);
- op1 = get_irn_n(op1, 0);
+ if (is_arm_Mul(new_op1) && get_irn_n_edges(op1) == 1) {
+ new_op3 = new_op2;
+ new_op2 = get_irn_n(new_op1, 1);
+ new_op1 = get_irn_n(new_op1, 0);
- return new_rd_arm_Mla(dbg, irg, block, op1, op2, op3, mode);
+ return new_rd_arm_Mla(dbg, irg, block, new_op1, new_op2, new_op3, mode);
}
- if (is_arm_Mul(op2) && get_irn_n_edges(op2) == 1) {
- op3 = op1;
- op1 = get_irn_n(op2, 0);
- op2 = get_irn_n(op2, 1);
+ if (is_arm_Mul(new_op2) && get_irn_n_edges(op2) == 1) {
+ new_op3 = new_op1;
+ new_op1 = get_irn_n(new_op2, 0);
+ new_op2 = get_irn_n(new_op2, 1);
- return new_rd_arm_Mla(dbg, irg, block, op1, op2, op3, mode);
+ return new_rd_arm_Mla(dbg, irg, block, new_op1, new_op2, new_op3, mode);
}
/* is the first a shifter */
- v = is_shifter_operand(op1, &mod);
+ v = is_shifter_operand(new_op1, &mod);
if (v) {
- op1 = get_irn_n(op1, 0);
- return new_rd_arm_Add(dbg, irg, block, op2, op1, mode, mod, new_tarval_from_long(v, mode_Iu));
+ new_op1 = get_irn_n(new_op1, 0);
+ return new_rd_arm_Add(dbg, irg, block, new_op2, new_op1, mode, mod, v);
}
/* is the second a shifter */
- v = is_shifter_operand(op2, &mod);
+ v = is_shifter_operand(new_op2, &mod);
if (v) {
- op2 = get_irn_n(op2, 0);
- return new_rd_arm_Add(dbg, irg, block, op1, op2, mode, mod, new_tarval_from_long(v, mode_Iu));
+ new_op2 = get_irn_n(new_op2, 0);
+ return new_rd_arm_Add(dbg, irg, block, new_op1, new_op2, mode, mod, v);
}
/* normal ADD */
- return new_rd_arm_Add(dbg, irg, block, op1, op2, mode, ARM_SHF_NONE, NULL);
+ return new_rd_arm_Add(dbg, irg, block, new_op1, new_op2, mode, ARM_SHF_NONE, 0);
}
-
- assert(0 && "unknown mode for add");
- return NULL;
}
/**
- * Creates an arm Mul.
+ * Creates an ARM Mul.
*
- * @param env The transformation environment
* @return the created arm Mul node
*/
-static ir_node *gen_Mul(ir_node *irn, arm_code_gen_t *cg) {
- ir_node *block = get_nodes_block(irn);
- ir_node *op1 = get_Mul_left(irn);
- ir_node *op2 = get_Mul_right(irn);
- ir_mode *mode = get_irn_mode(irn);
- ir_graph *irg = current_ir_graph;
- dbg_info *dbg = get_irn_dbg_info(irn);
+static ir_node *gen_Mul(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *op1 = get_Mul_left(node);
+ ir_node *new_op1 = be_transform_node(op1);
+ ir_node *op2 = get_Mul_right(node);
+ ir_node *new_op2 = be_transform_node(op2);
+ ir_mode *mode = get_irn_mode(node);
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbg = get_irn_dbg_info(node);
if (mode_is_float(mode)) {
- cg->have_fp = 1;
- if (USE_FPA(cg->isa))
- return new_rd_arm_fpaMul(dbg, irg, block, op1, op2, mode);
- else if (USE_VFP(cg->isa)) {
+ env_cg->have_fp_insn = 1;
+ if (USE_FPA(env_cg->isa)) {
+ if (is_arm_Mov_i(new_op1))
+ return new_rd_arm_fpaMuf_i(dbg, irg, block, new_op2, mode, get_arm_imm_value(new_op1));
+ if (is_arm_Mov_i(new_op2))
+ return new_rd_arm_fpaMuf_i(dbg, irg, block, new_op1, mode, get_arm_imm_value(new_op2));
+ return new_rd_arm_fpaMuf(dbg, irg, block, new_op1, new_op2, mode);
+ }
+ else if (USE_VFP(env_cg->isa)) {
assert(mode != mode_E && "IEEE Extended FP not supported");
+ panic("VFP not supported yet\n");
+ return NULL;
+ }
+ else {
+ panic("Softfloat not supported yet\n");
+ return NULL;
}
- assert(0 && "NYI");
}
- return new_rd_arm_Mul(dbg, irg, block, op1, op2, mode);
+ assert(mode_is_data(mode));
+ mode = mode_Iu;
+ return new_rd_arm_Mul(dbg, irg, block, new_op1, new_op2, mode);
}
/**
- * Creates an arm floating point Div.
+ * Creates an ARM floating point Div.
*
* @param env The transformation environment
* @return the created arm fDiv node
*/
-static ir_node *gen_Quot(ir_node *irn, arm_code_gen_t *cg) {
- ir_node *block = get_nodes_block(irn);
- ir_node *op1 = get_Quot_left(irn);
- ir_node *op2 = get_Quot_right(irn);
- ir_mode *mode = get_irn_mode(irn);
- dbg_info *dbg = get_irn_dbg_info(irn);
+static ir_node *gen_Quot(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *op1 = get_Quot_left(node);
+ ir_node *new_op1 = be_transform_node(op1);
+ ir_node *op2 = get_Quot_right(node);
+ ir_node *new_op2 = be_transform_node(op2);
+ ir_mode *mode = get_irn_mode(node);
+ dbg_info *dbg = get_irn_dbg_info(node);
assert(mode != mode_E && "IEEE Extended FP not supported");
- cg->have_fp = 1;
- if (USE_FPA(cg->isa))
- return new_rd_arm_fpaDiv(dbg, current_ir_graph, block, op1, op2, mode);
- else if (USE_VFP(cg->isa)) {
+ env_cg->have_fp_insn = 1;
+ if (USE_FPA(env_cg->isa)) {
+ if (is_arm_Mov_i(new_op1))
+ return new_rd_arm_fpaRdf_i(dbg, current_ir_graph, block, new_op2, mode, get_arm_imm_value(new_op1));
+ if (is_arm_Mov_i(new_op2))
+ return new_rd_arm_fpaDvf_i(dbg, current_ir_graph, block, new_op1, mode, get_arm_imm_value(new_op2));
+ return new_rd_arm_fpaDvf(dbg, current_ir_graph, block, new_op1, new_op2, mode);
+ } else if (USE_VFP(env_cg->isa)) {
assert(mode != mode_E && "IEEE Extended FP not supported");
+ panic("VFP not supported yet\n");
+ }
+ else {
+ panic("Softfloat not supported yet\n");
+ return NULL;
}
- assert(0 && "NYI");
-
- return NULL;
}
#define GEN_INT_OP(op) \
-static ir_node *gen_ ## op(ir_node *irn, arm_code_gen_t *cg) { \
- ir_graph *irg = current_ir_graph; \
- ir_node *block = get_nodes_block(irn); \
- ir_node *op1 = get_ ## op ## _left(irn); \
- ir_node *op2 = get_ ## op ## _right(irn); \
- int v; \
+ ir_node *block = be_transform_node(get_nodes_block(node)); \
+ ir_node *op1 = get_ ## op ## _left(node); \
+ ir_node *new_op1 = be_transform_node(op1); \
+ ir_node *op2 = get_ ## op ## _right(node); \
+ ir_node *new_op2 = be_transform_node(op2); \
+ ir_graph *irg = current_ir_graph; \
+ ir_mode *mode = mode_Iu; \
+ dbg_info *dbg = get_irn_dbg_info(node); \
+ int v; \
arm_shift_modifier mod; \
- ir_mode *mode = get_irn_mode(irn); \
- dbg_info *dbg = get_irn_dbg_info(irn); \
\
- if (is_arm_Mov_i(op1)) \
- return new_rd_arm_ ## op ## _i(dbg, irg, block, op2, mode, get_arm_value(op1)); \
- if (is_arm_Mov_i(op2)) \
- return new_rd_arm_ ## op ## _i(dbg, irg, block, op1, mode, get_arm_value(op2)); \
+ if (is_arm_Mov_i(new_op1)) \
+ return new_rd_arm_ ## op ## _i(dbg, irg, block, new_op2, mode, get_arm_imm_value(new_op1)); \
+ if (is_arm_Mov_i(new_op2)) \
+ return new_rd_arm_ ## op ## _i(dbg, irg, block, new_op1, mode, get_arm_imm_value(new_op2)); \
/* is the first a shifter */ \
- v = is_shifter_operand(op1, &mod); \
+ v = is_shifter_operand(new_op1, &mod); \
if (v) { \
- op1 = get_irn_n(op1, 0); \
- return new_rd_arm_ ## op(dbg, irg, block, op2, op1, mode, mod, new_tarval_from_long(v, mode_Iu)); \
+ new_op1 = get_irn_n(new_op1, 0); \
+ return new_rd_arm_ ## op(dbg, irg, block, new_op2, new_op1, mode, mod, v); \
} \
/* is the second a shifter */ \
- v = is_shifter_operand(op2, &mod); \
+ v = is_shifter_operand(new_op2, &mod); \
if (v) { \
- op2 = get_irn_n(op2, 0); \
- return new_rd_arm_ ## op(dbg, irg, block, op1, op2, mode, mod, new_tarval_from_long(v, mode_Iu)); \
+ new_op2 = get_irn_n(new_op2, 0); \
+ return new_rd_arm_ ## op(dbg, irg, block, new_op1, new_op2, mode, mod, v); \
} \
/* Normal op */ \
- return new_rd_arm_ ## op(dbg, irg, block, op1, op2, mode, ARM_SHF_NONE, NULL); \
-}
-
+ return new_rd_arm_ ## op(dbg, irg, block, new_op1, new_op2, mode, ARM_SHF_NONE, 0) \
/**
- * Creates an arm And.
+ * Creates an ARM And.
*
- * @param env The transformation environment
* @return the created arm And node
*/
-static ir_node *gen_And(ir_node *irn, arm_code_gen_t *cg);
-GEN_INT_OP(And)
+static ir_node *gen_And(ir_node *node) {
+ GEN_INT_OP(And);
+}
/**
- * Creates an arm Orr.
+ * Creates an ARM Orr.
*
* @param env The transformation environment
* @return the created arm Or node
*/
-static ir_node *gen_Or(ir_node *irn, arm_code_gen_t *cg);
-GEN_INT_OP(Or)
+static ir_node *gen_Or(ir_node *node) {
+ GEN_INT_OP(Or);
+}
/**
- * Creates an arm Eor.
+ * Creates an ARM Eor.
*
- * @param env The transformation environment
* @return the created arm Eor node
*/
-static ir_node *gen_Eor(ir_node *irn, arm_code_gen_t *cg);
-GEN_INT_OP(Eor)
+static ir_node *gen_Eor(ir_node *node) {
+ GEN_INT_OP(Eor);
+}
/**
- * Creates an arm Sub.
+ * Creates an ARM Sub.
*
- * @param env The transformation environment
* @return the created arm Sub node
*/
-static ir_node *gen_Sub(ir_node *irn, arm_code_gen_t *cg) {
- ir_node *block = get_nodes_block(irn);
- ir_node *op1 = get_Sub_left(irn);
- ir_node *op2 = get_Sub_right(irn);
- int v;
+static ir_node *gen_Sub(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *op1 = get_Sub_left(node);
+ ir_node *new_op1 = be_transform_node(op1);
+ ir_node *op2 = get_Sub_right(node);
+ ir_node *new_op2 = be_transform_node(op2);
+ ir_mode *mode = get_irn_mode(node);
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbg = get_irn_dbg_info(node);
+ int v;
arm_shift_modifier mod;
- ir_mode *mode = get_irn_mode(irn);
- ir_graph *irg = current_ir_graph;
- dbg_info *dbg = get_irn_dbg_info(irn);
if (mode_is_float(mode)) {
- cg->have_fp = 1;
- if (USE_FPA(cg->isa))
- return new_rd_arm_fpaSub(dbg, irg, block, op1, op2, mode);
- else if (USE_VFP(cg->isa)) {
+ env_cg->have_fp_insn = 1;
+ if (USE_FPA(env_cg->isa)) {
+ if (is_arm_Mov_i(new_op1))
+ return new_rd_arm_fpaRsf_i(dbg, irg, block, new_op2, mode, get_arm_imm_value(new_op1));
+ if (is_arm_Mov_i(new_op2))
+ return new_rd_arm_fpaSuf_i(dbg, irg, block, new_op1, mode, get_arm_imm_value(new_op2));
+ return new_rd_arm_fpaSuf(dbg, irg, block, new_op1, new_op2, mode);
+ } else if (USE_VFP(env_cg->isa)) {
assert(mode != mode_E && "IEEE Extended FP not supported");
+ panic("VFP not supported yet\n");
+ return NULL;
+ }
+ else {
+ panic("Softfloat not supported yet\n");
+ return NULL;
}
- assert(0 && "NYI");
}
- if (mode_is_numP(mode)) {
- if (is_arm_Mov_i(op1))
- return new_rd_arm_Rsb_i(dbg, irg, block, op2, mode, get_arm_value(op1));
- if (is_arm_Mov_i(op2))
- return new_rd_arm_Sub_i(dbg, irg, block, op1, mode, get_arm_value(op2));
+ else {
+ assert(mode_is_data(mode) && "unknown mode for Sub");
+ mode = mode_Iu;
+
+ if (is_arm_Mov_i(new_op1))
+ return new_rd_arm_Rsb_i(dbg, irg, block, new_op2, mode, get_arm_imm_value(new_op1));
+ if (is_arm_Mov_i(new_op2))
+ return new_rd_arm_Sub_i(dbg, irg, block, new_op1, mode, get_arm_imm_value(new_op2));
/* is the first a shifter */
- v = is_shifter_operand(op1, &mod);
+ v = is_shifter_operand(new_op1, &mod);
if (v) {
- op1 = get_irn_n(op1, 0);
- return new_rd_arm_Rsb(dbg, irg, block, op2, op1, mode, mod, new_tarval_from_long(v, mode_Iu));
+ new_op1 = get_irn_n(new_op1, 0);
+ return new_rd_arm_Rsb(dbg, irg, block, new_op2, new_op1, mode, mod, v);
}
/* is the second a shifter */
- v = is_shifter_operand(op2, &mod);
+ v = is_shifter_operand(new_op2, &mod);
if (v) {
- op2 = get_irn_n(op2, 0);
- return new_rd_arm_Sub(dbg, irg, block, op1, op2, mode, mod, new_tarval_from_long(v, mode_Iu));
+ new_op2 = get_irn_n(new_op2, 0);
+ return new_rd_arm_Sub(dbg, irg, block, new_op1, new_op2, mode, mod, v);
}
/* normal sub */
- return new_rd_arm_Sub(dbg, irg, block, op1, op2, mode, ARM_SHF_NONE, NULL);
+ return new_rd_arm_Sub(dbg, irg, block, new_op1, new_op2, mode, ARM_SHF_NONE, 0);
}
- assert(0 && "unknown mode for sub");
- return NULL;
}
/**
- * Creates an arm Shl.
+ * Creates an ARM Shl.
*
- * @param env The transformation environment
- * @return the created arm Shl node
+ * @return the created ARM Shl node
*/
-static ir_node *gen_Shl(ir_node *irn, arm_code_gen_t *cg) {
- ir_node *result;
- ir_node *block = get_nodes_block(irn);
- ir_node *op1 = get_Shl_left(irn);
- ir_node *op2 = get_Shl_right(irn);
- ir_mode *mode = get_irn_mode(irn);
- ir_graph *irg = current_ir_graph;
- dbg_info *dbg = get_irn_dbg_info(irn);
-
- if (is_arm_Mov_i(op2)) {
- result = new_rd_arm_Mov(dbg, irg, block, op1, mode, ARM_SHF_LSL, get_arm_value(op2));
- } else {
- result = new_rd_arm_Shl(dbg, irg, block, op1, op2, mode);
+static ir_node *gen_Shl(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *op1 = get_Shl_left(node);
+ ir_node *new_op1 = be_transform_node(op1);
+ ir_node *op2 = get_Shl_right(node);
+ ir_node *new_op2 = be_transform_node(op2);
+ ir_mode *mode = mode_Iu;
+ dbg_info *dbg = get_irn_dbg_info(node);
+
+ if (is_arm_Mov_i(new_op2)) {
+ return new_rd_arm_Mov(dbg, current_ir_graph, block, new_op1, mode, ARM_SHF_LSL, get_arm_imm_value(new_op2));
}
- return result;
+ return new_rd_arm_Shl(dbg, current_ir_graph, block, new_op1, new_op2, mode);
}
/**
- * Creates an arm Shr.
+ * Creates an ARM Shr.
*
- * @param env The transformation environment
- * @return the created arm Shr node
+ * @return the created ARM Shr node
*/
-static ir_node *gen_Shr(ir_node *irn, arm_code_gen_t *cg) {
- ir_node *result;
- ir_node *block = get_nodes_block(irn);
- ir_node *op1 = get_Shr_left(irn);
- ir_node *op2 = get_Shr_right(irn);
- ir_mode *mode = get_irn_mode(irn);
- ir_graph *irg = current_ir_graph;
- dbg_info *dbg = get_irn_dbg_info(irn);
-
- if (is_arm_Mov_i(op2)) {
- result = new_rd_arm_Mov(dbg, irg, block, op1, mode, ARM_SHF_LSR, get_arm_value(op2));
- } else {
- result = new_rd_arm_Shr(dbg, irg, block, op1, op2, mode);
+static ir_node *gen_Shr(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *op1 = get_Shr_left(node);
+ ir_node *new_op1 = be_transform_node(op1);
+ ir_node *op2 = get_Shr_right(node);
+ ir_node *new_op2 = be_transform_node(op2);
+ ir_mode *mode = mode_Iu;
+ dbg_info *dbg = get_irn_dbg_info(node);
+
+ if (is_arm_Mov_i(new_op2)) {
+ return new_rd_arm_Mov(dbg, current_ir_graph, block, new_op1, mode, ARM_SHF_LSR, get_arm_imm_value(new_op2));
}
- return result;
+ return new_rd_arm_Shr(dbg, current_ir_graph, block, new_op1, new_op2, mode);
}
/**
- * Creates an arm Shrs.
+ * Creates an ARM Shrs.
*
- * @param env The transformation environment
- * @return the created arm Shrs node
+ * @return the created ARM Shrs node
*/
-static ir_node *gen_Shrs(ir_node *irn, arm_code_gen_t *cg) {
- ir_node *result;
- ir_node *block = get_nodes_block(irn);
- ir_node *op1 = get_Shrs_left(irn);
- ir_node *op2 = get_Shrs_right(irn);
- ir_mode *mode = get_irn_mode(irn);
- dbg_info *dbg = get_irn_dbg_info(irn);
-
- if (is_arm_Mov_i(op2)) {
- result = new_rd_arm_Mov(dbg, current_ir_graph, block, op1, mode, ARM_SHF_ASR, get_arm_value(op2));
- } else {
- result = new_rd_arm_Shrs(dbg, current_ir_graph, block, op1, op2, mode);
+static ir_node *gen_Shrs(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *op1 = get_Shrs_left(node);
+ ir_node *new_op1 = be_transform_node(op1);
+ ir_node *op2 = get_Shrs_right(node);
+ ir_node *new_op2 = be_transform_node(op2);
+ ir_mode *mode = mode_Iu;
+ dbg_info *dbg = get_irn_dbg_info(node);
+
+ if (is_arm_Mov_i(new_op2)) {
+ return new_rd_arm_Mov(dbg, current_ir_graph, block, new_op1, mode, ARM_SHF_ASR, get_arm_imm_value(new_op2));
}
- return result;
+ return new_rd_arm_Shrs(dbg, current_ir_graph, block, new_op1, new_op2, mode);
}
/**
* Transforms a Not node.
*
- * @param env The transformation environment
- * @return the created arm Not node
+ * @return the created ARM Not node
*/
-static ir_node *gen_Not(ir_node *irn, arm_code_gen_t *cg) {
- ir_node *block = get_nodes_block(irn);
- ir_node *op = get_Not_op(irn);
- int v;
+static ir_node *gen_Not(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *op = get_Not_op(node);
+ ir_node *new_op = be_transform_node(op);
+ dbg_info *dbg = get_irn_dbg_info(node);
+ ir_mode *mode = mode_Iu;
arm_shift_modifier mod = ARM_SHF_NONE;
- tarval *tv = NULL;
- dbg_info *dbg = get_irn_dbg_info(irn);
+ int v = is_shifter_operand(new_op, &mod);
- v = is_shifter_operand(op, &mod);
if (v) {
- op = get_irn_n(op, 0);
- tv = new_tarval_from_long(v, mode_Iu);
+ new_op = get_irn_n(new_op, 0);
}
- return new_rd_arm_Mvn(dbg, current_ir_graph, block, op, get_irn_mode(irn), mod, tv);
+ return new_rd_arm_Mvn(dbg, current_ir_graph, block, new_op, mode, mod, v);
}
/**
* Transforms an Abs node.
*
* @param env The transformation environment
- * @return the created arm Abs node
+ * @return the created ARM Abs node
*/
-static ir_node *gen_Abs(ir_node *irn, arm_code_gen_t *cg) {
- ir_node *block = get_nodes_block(irn);
- ir_node *op = get_Abs_op(irn);
- ir_mode *mode = get_irn_mode(irn);
- dbg_info *dbg = get_irn_dbg_info(irn);
+static ir_node *gen_Abs(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *op = get_Abs_op(node);
+ ir_node *new_op = be_transform_node(op);
+ dbg_info *dbg = get_irn_dbg_info(node);
+ ir_mode *mode = get_irn_mode(node);
if (mode_is_float(mode)) {
- cg->have_fp = 1;
- if (USE_FPA(cg->isa))
- return new_rd_arm_fpaAbs(dbg, current_ir_graph, block, op, mode);
- else if (USE_VFP(cg->isa)) {
+ env_cg->have_fp_insn = 1;
+ if (USE_FPA(env_cg->isa))
+ return new_rd_arm_fpaAbs(dbg, current_ir_graph, block, new_op, mode);
+ else if (USE_VFP(env_cg->isa)) {
assert(mode != mode_E && "IEEE Extended FP not supported");
+ panic("VFP not supported yet\n");
+ }
+ else {
+ panic("Softfloat not supported yet\n");
}
- assert(0 && "NYI");
}
- return new_rd_arm_Abs(dbg, current_ir_graph, block, op, mode);
+ assert(mode_is_data(mode));
+ mode = mode_Iu;
+ return new_rd_arm_Abs(dbg, current_ir_graph, block, new_op, mode);
}
/**
* Transforms a Minus node.
*
- * @param env The transformation environment
- * @return the created arm Minus node
+ * @return the created ARM Minus node
*/
-static ir_node *gen_Minus(ir_node *irn, arm_code_gen_t *cg) {
- ir_node *block = get_nodes_block(irn);
- ir_node *op = get_Minus_op(irn);
- ir_mode *mode = get_irn_mode(irn);
- ir_graph *irg = current_ir_graph;
- dbg_info *dbg = get_irn_dbg_info(irn);
+static ir_node *gen_Minus(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *op = get_Minus_op(node);
+ ir_node *new_op = be_transform_node(op);
+ dbg_info *dbg = get_irn_dbg_info(node);
+ ir_mode *mode = get_irn_mode(node);
if (mode_is_float(mode)) {
- cg->have_fp = 1;
- if (USE_FPA(cg->isa))
- return new_rd_arm_fpaMnv(dbg, irg, block, op, mode);
- else if (USE_VFP(cg->isa)) {
+ env_cg->have_fp_insn = 1;
+ if (USE_FPA(env_cg->isa))
+ return new_rd_arm_fpaMvf(dbg, current_ir_graph, block, op, mode);
+ else if (USE_VFP(env_cg->isa)) {
assert(mode != mode_E && "IEEE Extended FP not supported");
+ panic("VFP not supported yet\n");
+ }
+ else {
+ panic("Softfloat not supported yet\n");
}
- assert(0 && "NYI");
}
- return new_rd_arm_Rsb_i(dbg, irg, block, op, mode, get_mode_null(mode));
+ assert(mode_is_data(mode));
+ mode = mode_Iu;
+ return new_rd_arm_Rsb_i(dbg, current_ir_graph, block, new_op, mode, 0);
}
/**
* Transforms a Load.
*
- * @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 arm Load node
+ * @return the created ARM Load node
*/
-static ir_node *gen_Load(ir_node *irn, arm_code_gen_t *cg) {
- ir_node *block = get_nodes_block(irn);
- ir_mode *mode = get_Load_mode(irn);
- ir_graph *irg = current_ir_graph;
- dbg_info *dbg = get_irn_dbg_info(irn);
+static ir_node *gen_Load(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *ptr = get_Load_ptr(node);
+ ir_node *new_ptr = be_transform_node(ptr);
+ ir_node *mem = get_Load_mem(node);
+ ir_node *new_mem = be_transform_node(mem);
+ ir_mode *mode = get_Load_mode(node);
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbg = get_irn_dbg_info(node);
+ ir_node *new_load = NULL;
if (mode_is_float(mode)) {
- cg->have_fp = 1;
- if (USE_FPA(cg->isa))
- return new_rd_arm_fpaLdf(dbg, irg, block, get_Load_ptr(irn), get_Load_mem(irn),
- get_Load_mode(irn));
- else if (USE_VFP(cg->isa)) {
+ env_cg->have_fp_insn = 1;
+ if (USE_FPA(env_cg->isa))
+ new_load = new_rd_arm_fpaLdf(dbg, irg, block, new_ptr, new_mem, mode);
+ else if (USE_VFP(env_cg->isa)) {
assert(mode != mode_E && "IEEE Extended FP not supported");
+ panic("VFP not supported yet\n");
+ }
+ else {
+ panic("Softfloat not supported yet\n");
}
- assert(0 && "NYI");
- }
- if (mode == mode_Bu) {
- return new_rd_arm_Loadb(dbg, irg, block, get_Load_ptr(irn), get_Load_mem(irn));
- }
- if (mode == mode_Bs) {
- return new_rd_arm_Loadbs(dbg, irg, block, get_Load_ptr(irn), get_Load_mem(irn));
- }
- if (mode == mode_Hu) {
- return new_rd_arm_Loadh(dbg, irg, block, get_Load_ptr(irn), get_Load_mem(irn));
}
- if (mode == mode_Hs) {
- return new_rd_arm_Loadhs(dbg, irg, block, get_Load_ptr(irn), get_Load_mem(irn));
+ else {
+ assert(mode_is_data(mode) && "unsupported mode for Load");
+
+ if (mode_is_signed(mode)) {
+ /* sign extended loads */
+ switch (get_mode_size_bits(mode)) {
+ case 8:
+ new_load = new_rd_arm_Loadbs(dbg, irg, block, new_ptr, new_mem);
+ break;
+ case 16:
+ new_load = new_rd_arm_Loadhs(dbg, irg, block, new_ptr, new_mem);
+ break;
+ case 32:
+ new_load = new_rd_arm_Load(dbg, irg, block, new_ptr, new_mem);
+ break;
+ default:
+ panic("mode size not supported\n");
+ }
+ } else {
+ /* zero extended loads */
+ switch (get_mode_size_bits(mode)) {
+ case 8:
+ new_load = new_rd_arm_Loadb(dbg, irg, block, new_ptr, new_mem);
+ break;
+ case 16:
+ new_load = new_rd_arm_Loadh(dbg, irg, block, new_ptr, new_mem);
+ break;
+ case 32:
+ new_load = new_rd_arm_Load(dbg, irg, block, new_ptr, new_mem);
+ break;
+ default:
+ panic("mode size not supported\n");
+ }
+ }
}
- if (mode_is_reference(mode)) {
- return new_rd_arm_Load(dbg, irg, block, get_Load_ptr(irn), get_Load_mem(irn));
+ set_irn_pinned(new_load, get_irn_pinned(node));
+
+ /* check for special case: the loaded value might not be used */
+ if (be_get_Proj_for_pn(node, pn_Load_res) == NULL) {
+ /* add a result proj and a Keep to produce a pseudo use */
+ ir_node *proj = new_r_Proj(irg, block, new_load, mode_Iu, pn_arm_Load_res);
+ be_new_Keep(arch_get_irn_reg_class(env_cg->arch_env, proj, -1), irg, block, 1, &proj);
}
- return new_rd_arm_Load(dbg, irg, block, get_Load_ptr(irn), get_Load_mem(irn));
+
+ return new_load;
}
/**
* Transforms a Store.
*
- * @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 arm Store node
+ * @return the created ARM Store node
*/
-static ir_node *gen_Store(ir_node *irn, arm_code_gen_t *cg) {
- ir_node *block = get_nodes_block(irn);
- ir_mode *mode = get_irn_mode(get_Store_value(irn));
- ir_graph *irg = current_ir_graph;
- dbg_info *dbg = get_irn_dbg_info(irn);
+static ir_node *gen_Store(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *ptr = get_Store_ptr(node);
+ ir_node *new_ptr = be_transform_node(ptr);
+ ir_node *mem = get_Store_mem(node);
+ ir_node *new_mem = be_transform_node(mem);
+ ir_node *val = get_Store_value(node);
+ ir_node *new_val = be_transform_node(val);
+ ir_mode *mode = get_irn_mode(val);
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbg = get_irn_dbg_info(node);
+ ir_node *new_store = NULL;
- assert(mode != mode_E && "IEEE Extended FP not supported");
if (mode_is_float(mode)) {
- cg->have_fp = 1;
- if (USE_FPA(cg->isa))
- return new_rd_arm_fpaStf(dbg, irg, block, get_Store_ptr(irn), get_Store_value(irn),
- get_Store_mem(irn), get_irn_mode(get_Store_value(irn)));
- else if (USE_VFP(cg->isa)) {
+ env_cg->have_fp_insn = 1;
+ if (USE_FPA(env_cg->isa))
+ new_store = new_rd_arm_fpaStf(dbg, irg, block, new_ptr, new_val, new_mem, mode);
+ else if (USE_VFP(env_cg->isa)) {
assert(mode != mode_E && "IEEE Extended FP not supported");
+ panic("VFP not supported yet\n");
+ } else {
+ panic("Softfloat not supported yet\n");
+ }
+ } else {
+ assert(mode_is_data(mode) && "unsupported mode for Store");
+ switch (get_mode_size_bits(mode)) {
+ case 8:
+ new_store = new_rd_arm_Storeb(dbg, irg, block, new_ptr, new_val, new_mem);
+ case 16:
+ new_store = new_rd_arm_Storeh(dbg, irg, block, new_ptr, new_val, new_mem);
+ default:
+ new_store = new_rd_arm_Store(dbg, irg, block, new_ptr, new_val, new_mem);
}
- assert(0 && "NYI");
- }
- if (mode == mode_Bu) {
- return new_rd_arm_Storeb(dbg, irg, block, get_Store_ptr(irn), get_Store_value(irn), get_Store_mem(irn));
- }
- if (mode == mode_Bs) {
- return new_rd_arm_Storebs(dbg, irg, block, get_Store_ptr(irn), get_Store_value(irn), get_Store_mem(irn));
- }
- if (mode == mode_Hu) {
- return new_rd_arm_Storeh(dbg, irg, block, get_Store_ptr(irn), get_Store_value(irn), get_Store_mem(irn));
- }
- if (mode == mode_Hs) {
- return new_rd_arm_Storehs(dbg, irg, block, get_Store_ptr(irn), get_Store_value(irn), get_Store_mem(irn));
}
- return new_rd_arm_Store(dbg, irg, block, get_Store_ptr(irn), get_Store_value(irn), get_Store_mem(irn));
+ set_irn_pinned(new_store, get_irn_pinned(node));
+ return new_store;
}
-
-static ir_node *gen_Cond(ir_node *irn, arm_code_gen_t *cg) {
- ir_node *result = NULL;
- ir_node *selector = get_Cond_selector(irn);
- ir_node *block = get_nodes_block(irn);
- ir_graph *irg = current_ir_graph;
- dbg_info *dbg = get_irn_dbg_info(irn);
-
- if ( get_irn_mode(selector) == mode_b ) {
- //CondJmp
- ir_node *proj_node = get_Cond_selector(irn);
- ir_node *cmp_node = get_Proj_pred(proj_node);
- ir_node *op1 = get_Cmp_left(cmp_node);
- ir_node *op2 = get_Cmp_right(cmp_node);
- result = new_rd_arm_CondJmp(dbg, irg, block, op1, op2, mode_T);
- set_arm_proj_num(result, get_Proj_proj(proj_node));
+/**
+ * Transforms a Cond.
+ *
+ * @return the created ARM Cond node
+ */
+static ir_node *gen_Cond(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *selector = get_Cond_selector(node);
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbg = get_irn_dbg_info(node);
+ ir_mode *mode = get_irn_mode(selector);
+
+ if (mode == mode_b) {
+ /* an conditional jump */
+ ir_node *cmp_node = get_Proj_pred(selector);
+ ir_node *op1 = get_Cmp_left(cmp_node);
+ ir_node *new_op1 = be_transform_node(op1);
+ ir_node *op2 = get_Cmp_right(cmp_node);
+ ir_node *new_op2 = be_transform_node(op2);
+
+ if (mode_is_float(get_irn_mode(op1))) {
+ /* floating point compare */
+ pn_Cmp pnc = get_Proj_proj(selector);
+
+ if (pnc & pn_Cmp_Uo) {
+ /* check for unordered, need cmf */
+ return new_rd_arm_fpaCmfBra(dbg, irg, block, new_op1, new_op2, pnc);
+ }
+ /* Hmm: use need cmfe */
+ return new_rd_arm_fpaCmfeBra(dbg, irg, block, new_op1, new_op2, pnc);
+ } else {
+ /* integer compare */
+ return new_rd_arm_CmpBra(dbg, irg, block, new_op1, new_op2, get_Proj_proj(selector));
+ }
} else {
- //SwitchJmp
- ir_node *op = get_irn_n(irn, 0);
+ /* SwitchJmp */
+ ir_node *new_op = be_transform_node(selector);
ir_node *const_graph;
ir_node *sub;
- ir_node *const_node;
ir_node *proj;
const ir_edge_t *edge;
int min = INT_MAX;
int max = INT_MIN;
int translation;
- int norm_max;
- int norm_min;
int pn;
int n_projs;
- ir_node **projs;
- foreach_out_edge(irn, edge) {
+ foreach_out_edge(node, edge) {
proj = get_edge_src_irn(edge);
assert(is_Proj(proj) && "Only proj allowed at SwitchJmp");
max = pn>max ? pn : max;
}
translation = min;
- norm_max = max - translation;
- norm_min = min - translation;
-
- n_projs = norm_max + 1;
- projs = xcalloc(n_projs , sizeof(ir_node*));
-
+ n_projs = max - translation + 1;
- foreach_out_edge(irn, edge) {
+ foreach_out_edge(node, edge) {
proj = get_edge_src_irn(edge);
assert(is_Proj(proj) && "Only proj allowed at SwitchJmp");
set_Proj_proj(proj, pn);
}
-
- const_node = new_rd_Const(dbg, irg, block, mode_Iu, new_tarval_from_long(translation, mode_Iu));
- const_graph = gen_Const(const_node, cg);
- sub = new_rd_arm_Sub(dbg, irg, block, op, const_graph, get_irn_mode(op), ARM_SHF_NONE, NULL);
- result = new_rd_arm_SwitchJmp(dbg, irg, block, sub, mode_T);
- set_arm_n_projs(result, n_projs);
- set_arm_default_proj_num(result, get_Cond_defaultProj(irn)-translation);
+ const_graph = create_const_graph_value(dbg, block, translation);
+ sub = new_rd_arm_Sub(dbg, irg, block, new_op, const_graph, mode, ARM_SHF_NONE, 0);
+ return new_rd_arm_SwitchJmp(dbg, irg, block, sub, n_projs, get_Cond_defaultProj(node) - translation);
}
- return result;
}
/**
* @param symc the SymConst
* @return name of the SymConst
*/
-const char *get_sc_name(ir_node *symc) {
- if (get_irn_opcode(symc) != iro_SymConst)
- return "NONE";
+static ident *get_sc_ident(ir_node *symc) {
+ ir_entity *ent;
switch (get_SymConst_kind(symc)) {
case symconst_addr_name:
- return get_id_str(get_SymConst_name(symc));
+ return get_SymConst_name(symc);
case symconst_addr_ent:
- return get_entity_ld_name(get_SymConst_entity(symc));
+ ent = get_SymConst_entity(symc);
+ set_entity_backend_marked(ent, 1);
+ return get_entity_ld_ident(ent);
default:
assert(0 && "Unsupported SymConst");
return NULL;
}
-static ir_node *gen_SymConst(ir_node *irn, arm_code_gen_t *cg) {
- ir_node *block = get_nodes_block(irn);
- ir_mode *mode = get_irn_mode(irn);
- dbg_info *dbg = get_irn_dbg_info(irn);
- return new_rd_arm_SymConst(dbg, current_ir_graph, block, mode, get_sc_name(irn));
-}
+static tarval *fpa_imm[3][fpa_max];
+/**
+ * Check, if a floating point tarval is an fpa immediate, i.e.
+ * one of 0, 1, 2, 3, 4, 5, 10, or 0.5.
+ */
+static int is_fpa_immediate(tarval *tv) {
+ ir_mode *mode = get_tarval_mode(tv);
+ int i, j, res = 1;
+
+ switch (get_mode_size_bits(mode)) {
+ case 32:
+ i = 0;
+ break;
+ case 64:
+ i = 1;
+ break;
+ default:
+ i = 2;
+ }
+ if (tarval_cmp(tv, get_tarval_null(mode)) & pn_Cmp_Lt) {
+ tv = tarval_neg(tv);
+ res = -1;
+ }
+
+ for (j = 0; j < fpa_max; ++j) {
+ if (tv == fpa_imm[i][j])
+ return res * j;
+ }
+ return fpa_max;
+}
/**
- * Transforms a CopyB node.
+ * Transforms a Const node.
*
- * @param env The transformation environment
- * @return The transformed node.
+ * @return The transformed ARM node.
*/
-static ir_node *gen_CopyB(ir_node *irn, arm_code_gen_t *cg) {
- ir_node *res = NULL;
- dbg_info *dbg = get_irn_dbg_info(irn);
- ir_mode *mode = get_irn_mode(irn);
- ir_node *src = get_CopyB_src(irn);
- ir_node *dst = get_CopyB_dst(irn);
- ir_node *mem = get_CopyB_mem(irn);
- ir_node *block = get_nodes_block(irn);
- int size = get_type_size_bytes(get_CopyB_type(irn));
- ir_graph *irg = current_ir_graph;
- ir_node *src_copy;
- ir_node *dst_copy;
+static ir_node *gen_Const(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_graph *irg = current_ir_graph;
+ ir_mode *mode = get_irn_mode(node);
+ dbg_info *dbg = get_irn_dbg_info(node);
- src_copy = be_new_Copy(&arm_reg_classes[CLASS_arm_gp], irg, block, src);
- dst_copy = be_new_Copy(&arm_reg_classes[CLASS_arm_gp], irg, block, dst);
+ if (mode_is_float(mode)) {
+ env_cg->have_fp_insn = 1;
+ if (USE_FPA(env_cg->isa)) {
+ tarval *tv = get_Const_tarval(node);
+ int imm = is_fpa_immediate(tv);
+
+ if (imm != fpa_max) {
+ if (imm > 0)
+ node = new_rd_arm_fpaMvf_i(dbg, irg, block, mode, imm);
+ else
+ node = new_rd_arm_fpaMnf_i(dbg, irg, block, mode, -imm);
+ } else {
+ node = new_rd_arm_fpaConst(dbg, irg, block, tv);
+ }
+ /* ensure the const is scheduled AFTER the stack frame */
+ add_irn_dep(node, get_irg_frame(irg));
+ return node;
+ }
+ else if (USE_VFP(env_cg->isa)) {
+ assert(mode != mode_E && "IEEE Extended FP not supported");
+ panic("VFP not supported yet\n");
+ }
+ else {
+ panic("Softfloat not supported yet\n");
+ }
+ }
+ return create_const_graph(node, block);
+}
- res = new_rd_arm_CopyB( dbg, irg, block, dst_copy, src_copy, new_rd_arm_EmptyReg(dbg, irg, block, mode_Iu), new_rd_arm_EmptyReg(dbg, irg, block, mode_Iu), new_rd_arm_EmptyReg(dbg, irg, block, mode_Iu), mem, mode);
- set_arm_value(res, new_tarval_from_long(size, mode_Iu));
+/**
+ * Transforms a SymConst node.
+ *
+ * @return The transformed ARM node.
+ */
+static ir_node *gen_SymConst(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_mode *mode = mode_Iu;
+ dbg_info *dbg = get_irn_dbg_info(node);
+ ir_graph *irg = current_ir_graph;
+ ir_node *res;
+ res = new_rd_arm_SymConst(dbg, irg, block, mode, get_sc_ident(node));
+ /* ensure the const is scheduled AFTER the stack frame */
+ add_irn_dep(res, get_irg_frame(irg));
return res;
}
-
-
+/**
+ * Transforms a CopyB node.
+ *
+ * @return The transformed ARM node.
+ */
+static ir_node *gen_CopyB(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *src = get_CopyB_src(node);
+ ir_node *new_src = be_transform_node(src);
+ ir_node *dst = get_CopyB_dst(node);
+ ir_node *new_dst = be_transform_node(dst);
+ ir_node *mem = get_CopyB_mem(node);
+ ir_node *new_mem = be_transform_node(mem);
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbg = get_irn_dbg_info(node);
+ int size = get_type_size_bytes(get_CopyB_type(node));
+ ir_node *src_copy;
+ ir_node *dst_copy;
+
+ src_copy = be_new_Copy(&arm_reg_classes[CLASS_arm_gp], irg, block, new_src);
+ dst_copy = be_new_Copy(&arm_reg_classes[CLASS_arm_gp], irg, block, new_dst);
+
+ return new_rd_arm_CopyB(dbg, irg, block, dst_copy, src_copy,
+ new_rd_arm_EmptyReg(dbg, irg, block, mode_Iu),
+ new_rd_arm_EmptyReg(dbg, irg, block, mode_Iu),
+ new_rd_arm_EmptyReg(dbg, irg, block, mode_Iu),
+ new_mem, size);
+}
/********************************************
return offset;
}
-static ir_node *gen_StackParam(ir_node *irn, arm_code_gen_t *cg) {
#if 0
+static ir_node *gen_StackParam(ir_node *irn) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
ir_node *new_op = NULL;
- ir_node *block = get_nodes_block(irn);
ir_node *noreg = ia32_new_NoReg_gp(env->cg);
ir_node *mem = new_rd_NoMem(env->irg);
ir_node *ptr = get_irn_n(irn, 0);
SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, env->irn));
return new_rd_Proj(env->dbg, env->irg, block, new_op, mode, 0);
-#endif
}
+#endif
/**
- * Transforms a FrameAddr into an ia32 Add.
+ * Transforms a FrameAddr into an ARM Add.
*/
-static ir_node *gen_be_FrameAddr(ir_node *irn, arm_code_gen_t *cg) {
- ir_node *block = get_nodes_block(irn);
- ir_entity *ent = be_get_frame_entity(irn);
- int offset = get_entity_offset(ent);
- ir_node *op = get_irn_n(irn, 0);
- ir_node *cnst;
- ir_mode *mode = get_irn_mode(irn);
- dbg_info *dbg = get_irn_dbg_info(irn);
+static ir_node *gen_be_FrameAddr(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_entity *ent = be_get_frame_entity(node);
+ int offset = get_entity_offset(ent);
+ ir_node *op = be_get_FrameAddr_frame(node);
+ ir_node *new_op = be_transform_node(op);
+ dbg_info *dbg = get_irn_dbg_info(node);
+ ir_mode *mode = mode_Iu;
+ ir_node *cnst;
if (be_is_IncSP(op)) {
/* BEWARE: we get an offset which is absolute from an offset that
is relative. Both must be merged */
offset += get_sp_expand_offset(op);
}
- cnst = create_const_graph_value(irn, block, (unsigned)offset);
+ cnst = create_const_graph_value(dbg, block, (unsigned)offset);
if (is_arm_Mov_i(cnst))
- return new_rd_arm_Add_i(dbg, current_ir_graph, block, op, mode, get_arm_value(cnst));
- return new_rd_arm_Add(dbg, current_ir_graph, block, op, cnst, mode, ARM_SHF_NONE, NULL);
+ return new_rd_arm_Add_i(dbg, current_ir_graph, block, new_op, mode, get_arm_imm_value(cnst));
+ return new_rd_arm_Add(dbg, current_ir_graph, block, new_op, cnst, mode, ARM_SHF_NONE, 0);
}
+#if 0
/**
- * Transforms a FrameLoad into an ia32 Load.
+ * Transforms a FrameLoad into an ARM Load.
*/
-static ir_node *gen_FrameLoad(ir_node *irn, arm_code_gen_t *cg) {
-#if 0
+static ir_node *gen_FrameLoad(ir_node *irn) {
ir_node *new_op = NULL;
ir_node *noreg = ia32_new_NoReg_gp(env->cg);
ir_node *mem = get_irn_n(irn, 0);
SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, env->irn));
return new_op;
+}
#endif
+
+/**
+ * Transform a be_AddSP into an arm_AddSP. Eat up const sizes.
+ */
+static ir_node *gen_be_AddSP(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *sz = get_irn_n(node, be_pos_AddSP_size);
+ ir_node *new_sz = be_transform_node(sz);
+ ir_node *sp = get_irn_n(node, be_pos_AddSP_old_sp);
+ ir_node *new_sp = be_transform_node(sp);
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *nomem = new_NoMem();
+ ir_node *new_op;
+
+ /* ARM stack grows in reverse direction, make a SubSP */
+ new_op = new_rd_arm_SubSP(dbgi, irg, block, new_sp, new_sz, nomem);
+
+ return new_op;
}
+/**
+ * Transform a be_SubSP into an arm_SubSP. Eat up const sizes.
+ */
+static ir_node *gen_be_SubSP(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *sz = get_irn_n(node, be_pos_SubSP_size);
+ ir_node *new_sz = be_transform_node(sz);
+ ir_node *sp = get_irn_n(node, be_pos_SubSP_old_sp);
+ ir_node *new_sp = be_transform_node(sp);
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_node *nomem = new_NoMem();
+ ir_node *new_op;
+
+ /* ARM stack grows in reverse direction, make an AddSP */
+ new_op = new_rd_arm_AddSP(dbgi, irg, block, new_sp, new_sz, nomem);
+
+ return new_op;
+}
/**
- * Transforms a FrameStore into an ia32 Store.
+ * Transform a be_Copy.
*/
-static ir_node *gen_FrameStore(ir_node *irn, arm_code_gen_t *cg) {
-#if 0
- ir_node *new_op = NULL;
- ir_node *noreg = ia32_new_NoReg_gp(env->cg);
- ir_node *mem = get_irn_n(irn, 0);
- ir_node *ptr = get_irn_n(irn, 1);
- ir_node *val = get_irn_n(irn, 2);
- ir_entity *ent = be_get_frame_entity(irn);
- ir_mode *mode = get_irn_mode(val);
+static ir_node *gen_be_Copy(ir_node *node) {
+ ir_node *result = be_duplicate_node(node);
+ ir_mode *mode = get_irn_mode(result);
- if (mode_is_float(mode)) {
- if (USE_SSE2(env->cg))
- new_op = new_rd_ia32_fStore(env->dbg, env->irg, env->block, ptr, noreg, val, mem, mode_T);
- else {
- env->cg->used_x87 = 1;
- new_op = new_rd_ia32_vfst(env->dbg, env->irg, env->block, ptr, noreg, val, mem, mode_T);
+ if (mode_needs_gp_reg(mode)) {
+ set_irn_mode(node, mode_Iu);
+ }
+
+ return result;
+}
+
+/**
+ * Transform a Proj from a Load.
+ */
+static ir_node *gen_Proj_Load(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *load = get_Proj_pred(node);
+ ir_node *new_load = be_transform_node(load);
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ long proj = get_Proj_proj(node);
+
+ /* renumber the proj */
+ switch (get_arm_irn_opcode(new_load)) {
+ case iro_arm_Load:
+ case iro_arm_Loadb:
+ case iro_arm_Loadbs:
+ case iro_arm_Loadh:
+ case iro_arm_Loadhs:
+ /* handle all gp loads equal: they have the same proj numbers. */
+ if (proj == pn_Load_res) {
+ return new_rd_Proj(dbgi, irg, block, new_load, mode_Iu, pn_arm_Load_res);
+ } else if (proj == pn_Load_M) {
+ return new_rd_Proj(dbgi, irg, block, new_load, mode_M, pn_arm_Load_M);
+ }
+ break;
+ case iro_arm_fpaLdf:
+ if (proj == pn_Load_res) {
+ ir_mode *mode = get_Load_mode(load);
+ return new_rd_Proj(dbgi, irg, block, new_load, mode, pn_arm_fpaLdf_res);
+ } else if (proj == pn_Load_M) {
+ return new_rd_Proj(dbgi, irg, block, new_load, mode_M, pn_arm_fpaLdf_M);
}
+ break;
+ default:
+ break;
}
- else if (get_mode_size_bits(mode) == 8) {
- new_op = new_rd_ia32_Store8Bit(env->dbg, env->irg, env->block, ptr, noreg, val, mem, mode_T);
+ assert(0);
+ return new_rd_Unknown(irg, get_irn_mode(node));
+}
+
+/**
+ * Transform and renumber the Projs from a CopyB.
+ */
+static ir_node *gen_Proj_CopyB(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *pred = get_Proj_pred(node);
+ ir_node *new_pred = be_transform_node(pred);
+ ir_graph *irg = current_ir_graph;
+ 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_arm_CopyB(new_pred)) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_arm_CopyB_M);
+ }
+ break;
+ default:
+ break;
}
- else {
- new_op = new_rd_ia32_Store(env->dbg, env->irg, env->block, ptr, noreg, val, mem, mode_T);
+ assert(0);
+ return new_rd_Unknown(irg, mode);
+}
+
+/**
+ * Transform and renumber the Projs from a Quot.
+ */
+static ir_node *gen_Proj_Quot(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *pred = get_Proj_pred(node);
+ ir_node *new_pred = be_transform_node(pred);
+ ir_graph *irg = current_ir_graph;
+ 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_arm_fpaDvf(new_pred) || is_arm_fpaDvf_i(new_pred)) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_arm_fpaDvf_M);
+ } else if (is_arm_fpaRdf(new_pred) || is_arm_fpaRdf_i(new_pred)) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_arm_fpaRdf_M);
+ } else if (is_arm_fpaFdv(new_pred) || is_arm_fpaFdv_i(new_pred)) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_arm_fpaFdv_M);
+ } else if (is_arm_fpaFrd(new_pred) || is_arm_fpaFrd_i(new_pred)) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_arm_fpaFrd_M);
+ }
+ break;
+ case pn_Quot_res:
+ if (is_arm_fpaDvf(new_pred) || is_arm_fpaDvf_i(new_pred)) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode, pn_arm_fpaDvf_res);
+ } else if (is_arm_fpaRdf(new_pred) || is_arm_fpaRdf_i(new_pred)) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode, pn_arm_fpaRdf_res);
+ } else if (is_arm_fpaFdv(new_pred) || is_arm_fpaFdv_i(new_pred)) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode, pn_arm_fpaFdv_res);
+ } else if (is_arm_fpaFrd(new_pred) || is_arm_fpaFrd_i(new_pred)) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode, pn_arm_fpaFrd_res);
+ }
+ break;
+ default:
+ break;
}
+ assert(0);
+ return new_rd_Unknown(irg, mode);
+}
- set_ia32_frame_ent(new_op, ent);
- set_ia32_use_frame(new_op);
+/**
+ * Transform the Projs of a be_AddSP.
+ */
+static ir_node *gen_Proj_be_AddSP(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *pred = get_Proj_pred(node);
+ ir_node *new_pred = be_transform_node(pred);
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ long proj = get_Proj_proj(node);
+
+ if (proj == pn_be_AddSP_sp) {
+ ir_node *res = new_rd_Proj(dbgi, irg, block, new_pred, mode_Iu,
+ pn_arm_SubSP_stack);
+ arch_set_irn_register(env_cg->arch_env, res, &arm_gp_regs[REG_SP]);
+ return res;
+ } else if(proj == pn_be_AddSP_res) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_Iu,
+ pn_arm_SubSP_addr);
+ } else if (proj == pn_be_AddSP_M) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_arm_SubSP_M);
+ }
- set_ia32_am_support(new_op, ia32_am_Dest);
- set_ia32_op_type(new_op, ia32_AddrModeD);
- set_ia32_am_flavour(new_op, ia32_B);
- set_ia32_ls_mode(new_op, mode);
+ assert(0);
+ return new_rd_Unknown(irg, get_irn_mode(node));
+}
- SET_IA32_ORIG_NODE(new_op, ia32_get_old_node_name(env->cg, env->irn));
+/**
+ * Transform the Projs of a be_SubSP.
+ */
+static ir_node *gen_Proj_be_SubSP(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *pred = get_Proj_pred(node);
+ ir_node *new_pred = be_transform_node(pred);
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ long proj = get_Proj_proj(node);
+
+ if (proj == pn_be_SubSP_sp) {
+ ir_node *res = new_rd_Proj(dbgi, irg, block, new_pred, mode_Iu,
+ pn_arm_AddSP_stack);
+ arch_set_irn_register(env_cg->arch_env, res, &arm_gp_regs[REG_SP]);
+ return res;
+ } else if (proj == pn_be_SubSP_M) {
+ return new_rd_Proj(dbgi, irg, block, new_pred, mode_M, pn_arm_AddSP_M);
+ }
- return new_op;
-#endif
+ assert(0);
+ return new_rd_Unknown(irg, get_irn_mode(node));
}
+/**
+ * Transform the Projs from a Cmp.
+ */
+static ir_node *gen_Proj_Cmp(ir_node *node) {
+ (void) node;
+ panic("Psi NYI\n");
+}
-// static ir_node *gen_be_Copy(ir_node *irn, arm_code_gen_t *cg) {
-// return new_rd_arm_Copy(env->dbg, env->irg, env->block, op, env->mode);
-// }
-
-/*********************************************************
- * _ _ _
- * (_) | | (_)
- * _ __ ___ __ _ _ _ __ __| |_ __ ___ _____ _ __
- * | '_ ` _ \ / _` | | '_ \ / _` | '__| \ \ / / _ \ '__|
- * | | | | | | (_| | | | | | | (_| | | | |\ V / __/ |
- * |_| |_| |_|\__,_|_|_| |_| \__,_|_| |_| \_/ \___|_|
- *
- *********************************************************/
/**
- * move constants out of the start block
+ * Transform the Thread Local Storage Proj.
*/
-void arm_move_consts(ir_node *node, void *env) {
- int i;
+static ir_node *gen_Proj_tls(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbgi = NULL;
- if (is_Block(node))
- return;
+ return new_rd_arm_LdTls(dbgi, irg, block, mode_Iu);
+}
- if (is_Phi(node)) {
- for (i = get_irn_arity(node) - 1; i >= 0; --i) {
- ir_node *pred = get_irn_n(node,i);
- opcode pred_code = get_irn_opcode(pred);
- if (pred_code == iro_Const) {
- ir_node *const_graph;
- const_graph = create_const_graph(pred, get_nodes_block(get_irn_n(get_nodes_block(node),i)));
- set_irn_n(node, i, const_graph);
- }
- else if (pred_code == iro_SymConst) {
- /* FIXME: in general, SymConst always require a load, so it
- might be better to place them into the first real block
- and let the spiller rematerialize them. */
- const char *str = get_sc_name(pred);
- ir_node *symconst_node;
- symconst_node = new_rd_arm_SymConst(get_irn_dbg_info(pred),
- current_ir_graph, get_nodes_block(get_irn_n(get_nodes_block(node),i)),
- get_irn_mode(pred), str);
- set_irn_n(node, i, symconst_node);
- }
+/**
+ * Transform a Proj node.
+ */
+static ir_node *gen_Proj(ir_node *node) {
+ ir_graph *irg = current_ir_graph;
+ 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)) {
+ if (proj == pn_Store_M) {
+ return be_transform_node(pred);
+ } else {
+ assert(0);
+ return new_r_Bad(irg);
}
- return;
- }
- for (i = 0; i < get_irn_arity(node); i++) {
- ir_node *pred = get_irn_n(node,i);
- opcode pred_code = get_irn_opcode(pred);
- if (pred_code == iro_Const) {
- ir_node *const_graph;
- const_graph = create_const_graph(pred, get_nodes_block(node));
- set_irn_n(node, i, const_graph);
- } else if (pred_code == iro_SymConst) {
- const char *str = get_sc_name(pred);
- ir_node *symconst_node;
- symconst_node = new_rd_arm_SymConst(get_irn_dbg_info(pred),
- current_ir_graph, get_nodes_block(node),
- get_irn_mode(pred), str);
- set_irn_n(node, i, symconst_node);
+ } else if (is_Load(pred)) {
+ return gen_Proj_Load(node);
+ } else if (is_CopyB(pred)) {
+ return gen_Proj_CopyB(node);
+ } else if (is_Quot(pred)) {
+ return gen_Proj_Quot(node);
+ } else if (be_is_SubSP(pred)) {
+ return gen_Proj_be_SubSP(node);
+ } else if (be_is_AddSP(pred)) {
+ return gen_Proj_be_AddSP(node);
+ } else if (is_Cmp(pred)) {
+ return gen_Proj_Cmp(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 = be_transform_node(block);
+ jump = new_rd_Jmp(dbgi, irg, block);
+ ir_fprintf(stderr, "created jump: %+F\n", jump);
+ return jump;
+ }
+ if (node == get_irg_anchor(irg, anchor_tls)) {
+ return gen_Proj_tls(node);
+ }
+ } else {
+ ir_node *new_pred = be_transform_node(pred);
+ ir_mode *mode = get_irn_mode(node);
+ if (mode_needs_gp_reg(mode)) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_node *new_proj = new_r_Proj(irg, block, new_pred, mode_Iu,
+ get_Proj_proj(node));
+#ifdef DEBUG_libfirm
+ new_proj->node_nr = node->node_nr;
+#endif
+ return new_proj;
}
}
+
+ return be_duplicate_node(node);
}
+typedef ir_node *(*create_const_node_func)(dbg_info *db, ir_graph *irg, ir_node *block);
-/************************************************************************/
-/* move symbolic constants out of startblock */
-/************************************************************************/
-void arm_move_symconsts(ir_node *node, void *env) {
- int i;
+static INLINE ir_node *create_const(ir_node **place,
+ create_const_node_func func,
+ const arch_register_t* reg)
+{
+ ir_node *block, *res;
- if (is_Block(node))
- return;
+ if (*place != NULL)
+ return *place;
+
+ block = get_irg_start_block(env_cg->irg);
+ res = func(NULL, env_cg->irg, block);
+ arch_set_irn_register(env_cg->arch_env, res, reg);
+ *place = res;
+
+ add_irn_dep(get_irg_end(env_cg->irg), res);
+ return res;
+}
- for (i = 0; i < get_irn_arity(node); i++) {
- ir_node *pred = get_irn_n(node,i);
- opcode pred_code = get_irn_opcode(pred);
+static ir_node *arm_new_Unknown_gp(void) {
+ return create_const(&env_cg->unknown_gp, new_rd_arm_Unknown_GP,
+ &arm_gp_regs[REG_GP_UKNWN]);
+}
- if (pred_code == iro_SymConst) {
- const char *str = get_sc_name(pred);
- ir_node *symconst_node;
+static ir_node *arm_new_Unknown_fpa(void) {
+ return create_const(&env_cg->unknown_fpa, new_rd_arm_Unknown_FPA,
+ &arm_fpa_regs[REG_FPA_UKNWN]);
+}
- symconst_node = new_rd_arm_SymConst(get_irn_dbg_info(pred),
- current_ir_graph, get_nodes_block(node), get_irn_mode(pred), str);
- set_irn_n(node, i, symconst_node);
- }
+/**
+ * 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(ir_node *node) {
+ ir_mode *mode = get_irn_mode(node);
+ if (mode_is_float(mode)) {
+ if (USE_FPA(env_cg->isa))
+ return arm_new_Unknown_fpa();
+ else if (USE_VFP(env_cg->isa))
+ panic("VFP not supported yet");
+ else
+ panic("Softfloat not supported yet");
+ } else if (mode_needs_gp_reg(mode)) {
+ return arm_new_Unknown_gp();
+ } else {
+ assert(0 && "unsupported Unknown-Mode");
}
+
+ return NULL;
}
+/**
+ * Change some phi modes
+ */
+static ir_node *gen_Phi(ir_node *node) {
+ ir_node *block = be_transform_node(get_nodes_block(node));
+ ir_graph *irg = current_ir_graph;
+ dbg_info *dbgi = get_irn_dbg_info(node);
+ ir_mode *mode = get_irn_mode(node);
+ ir_node *phi;
+
+ 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;
+ }
+
+ /* 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);
+ be_duplicate_deps(node, phi);
+
+ be_set_transformed_node(node, phi);
+ be_enqueue_preds(node);
+
+ return phi;
+}
+
+/*********************************************************
+ * _ _ _
+ * (_) | | (_)
+ * _ __ ___ __ _ _ _ __ __| |_ __ ___ _____ _ __
+ * | '_ ` _ \ / _` | | '_ \ / _` | '__| \ \ / / _ \ '__|
+ * | | | | | | (_| | | | | | | (_| | | | |\ V / __/ |
+ * |_| |_| |_|\__,_|_|_| |_| \__,_|_| |_| \_/ \___|_|
+ *
+ *********************************************************/
+
/**
* the BAD transformer.
*/
-static ir_node *bad_transform(ir_node *irn, arm_code_gen_t *cg) {
- ir_fprintf(stderr, "Not implemented: %+F\n", irn);
- assert(0);
- return NULL;
+static ir_node *bad_transform(ir_node *irn) {
+ panic("ARM backend: Not implemented: %+F\n", irn);
+ return irn;
+}
+
+/**
+ * Set a node emitter. Make it a bit more type safe.
+ */
+static INLINE void set_transformer(ir_op *op, be_transform_func arm_transform_func) {
+ op->ops.generic = (op_func)arm_transform_func;
}
/**
* Enters all transform functions into the generic pointer
*/
-void arm_register_transformers(void) {
+static void arm_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 FIRM_OP(a) op_##a->ops.generic = (op_func)gen_##a
-#define BAD(a) op_##a->ops.generic = (op_func)bad_transform
-#define IGN(a)
-
- FIRM_OP(Add); // done
- FIRM_OP(Mul); // done
- FIRM_OP(Quot); // done
- FIRM_OP(And); // done
- FIRM_OP(Or); // done
- FIRM_OP(Eor); // done
-
- FIRM_OP(Sub); // done
- FIRM_OP(Shl); // done
- FIRM_OP(Shr); // done
- FIRM_OP(Shrs); // done
-
- FIRM_OP(Minus); // done
- FIRM_OP(Not); // done
- FIRM_OP(Abs); // done
-
- FIRM_OP(CopyB); // done
- FIRM_OP(Const); // TODO: floating point consts
- FIRM_OP(Conv); // TODO: floating point conversions
+#define GEN(a) set_transformer(op_##a, gen_##a)
+#define BAD(a) set_transformer(op_##a, bad_transform)
- FIRM_OP(Load); // done
- FIRM_OP(Store); // done
+ GEN(Add);
+ GEN(Sub);
+ GEN(Mul);
+ GEN(And);
+ GEN(Or);
+ GEN(Eor);
- FIRM_OP(SymConst);
- FIRM_OP(Cond); // integer done
+ GEN(Shl);
+ GEN(Shr);
+ GEN(Shrs);
+ BAD(Rot); /* unsupported yet */
- /* TODO: implement these nodes */
+ GEN(Quot);
- IGN(Div); // intrinsic lowering
- IGN(Mod); // intrinsic lowering
- IGN(DivMod); // TODO: implement DivMod
+ /* should be lowered */
+ BAD(Div);
+ BAD(Mod);
+ BAD(DivMod);
- IGN(Mux);
- IGN(Unknown);
- IGN(Cmp); // done, implemented in cond
+ GEN(Minus);
+ GEN(Conv);
+ GEN(Abs);
+ GEN(Not);
- /* You probably don't need to handle the following nodes */
+ GEN(Load);
+ GEN(Store);
+ GEN(Cond);
- IGN(Call);
- IGN(Proj);
- IGN(Alloc);
+ BAD(ASM); /* unsupported yet */
+ GEN(CopyB);
+ BAD(Mux);
+ BAD(Psi); /* unsupported yet */
+ GEN(Proj);
+ GEN(Phi);
- IGN(Block);
- IGN(Start);
- IGN(End);
- IGN(NoMem);
- IGN(Phi);
- IGN(IJmp);
- IGN(Jmp); // emitter done
- IGN(Break);
- IGN(Sync);
+ GEN(Const);
+ GEN(SymConst);
+ /* we should never see these nodes */
BAD(Raise);
BAD(Sel);
BAD(InstOf);
BAD(Free);
BAD(Tuple);
BAD(Id);
- BAD(Bad);
+ //BAD(Bad);
BAD(Confirm);
BAD(Filter);
BAD(CallBegin);
BAD(EndReg);
BAD(EndExcept);
- FIRM_OP(be_FrameAddr);
+ /* handle generic backend nodes */
+ GEN(be_FrameAddr);
+ //GEN(be_Call);
+ //GEN(be_Return);
+ GEN(be_AddSP);
+ GEN(be_SubSP);
+ GEN(be_Copy);
+
+ /* set the register for all Unknown nodes */
+ GEN(Unknown);
op_Max = get_op_Max();
if (op_Max)
- BAD(Max);
+ BAD(Max); /* unsupported yet */
op_Min = get_op_Min();
if (op_Min)
- BAD(Min);
+ BAD(Min); /* unsupported yet */
op_Mulh = get_op_Mulh();
if (op_Mulh)
- BAD(Mulh);
+ BAD(Mulh); /* unsupported yet */
-#undef IGN
-#undef FIRM_OP
+#undef GEN
#undef BAD
}
-typedef ir_node *(transform_func)(ir_node *irn, arm_code_gen_t *cg);
-
/**
- * 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
+ * Pre-transform all unknown nodes.
*/
-void arm_transform_node(ir_node *node, void *env) {
- arm_code_gen_t *cg = (arm_code_gen_t *)env;
- ir_op *op = get_irn_op(node);
- ir_node *asm_node = NULL;
+static void arm_pretransform_node(void *arch_cg) {
+ arm_code_gen_t *cg = arch_cg;
- if (op == op_Block)
- return;
+ cg->unknown_gp = be_pre_transform_node(cg->unknown_gp);
+ cg->unknown_fpa = be_pre_transform_node(cg->unknown_fpa);
+}
- DBG((cg->mod, LEVEL_1, "check %+F ... ", node));
+/**
+ * Initialize fpa Immediate support.
+ */
+static void arm_init_fpa_immediate(void) {
+ /* 0, 1, 2, 3, 4, 5, 10, or 0.5. */
+ fpa_imm[0][fpa_null] = get_tarval_null(mode_F);
+ fpa_imm[0][fpa_one] = get_tarval_one(mode_F);
+ fpa_imm[0][fpa_two] = new_tarval_from_str("2", 1, mode_F);
+ fpa_imm[0][fpa_three] = new_tarval_from_str("3", 1, mode_F);
+ fpa_imm[0][fpa_four] = new_tarval_from_str("4", 1, mode_F);
+ fpa_imm[0][fpa_five] = new_tarval_from_str("5", 1, mode_F);
+ fpa_imm[0][fpa_ten] = new_tarval_from_str("10", 2, mode_F);
+ fpa_imm[0][fpa_half] = new_tarval_from_str("0.5", 3, mode_F);
+
+ fpa_imm[1][fpa_null] = get_tarval_null(mode_D);
+ fpa_imm[1][fpa_one] = get_tarval_one(mode_D);
+ fpa_imm[1][fpa_two] = new_tarval_from_str("2", 1, mode_D);
+ fpa_imm[1][fpa_three] = new_tarval_from_str("3", 1, mode_D);
+ fpa_imm[1][fpa_four] = new_tarval_from_str("4", 1, mode_D);
+ fpa_imm[1][fpa_five] = new_tarval_from_str("5", 1, mode_D);
+ fpa_imm[1][fpa_ten] = new_tarval_from_str("10", 2, mode_D);
+ fpa_imm[1][fpa_half] = new_tarval_from_str("0.5", 3, mode_D);
+
+ fpa_imm[2][fpa_null] = get_tarval_null(mode_E);
+ fpa_imm[2][fpa_one] = get_tarval_one(mode_E);
+ fpa_imm[2][fpa_two] = new_tarval_from_str("2", 1, mode_E);
+ fpa_imm[2][fpa_three] = new_tarval_from_str("3", 1, mode_E);
+ fpa_imm[2][fpa_four] = new_tarval_from_str("4", 1, mode_E);
+ fpa_imm[2][fpa_five] = new_tarval_from_str("5", 1, mode_E);
+ fpa_imm[2][fpa_ten] = new_tarval_from_str("10", 2, mode_E);
+ fpa_imm[2][fpa_half] = new_tarval_from_str("0.5", 3, mode_E);
+}
- if (op->ops.generic) {
- transform_func *transform = (transform_func *)op->ops.generic;
+/**
+ * Transform a Firm graph into an ARM graph.
+ */
+void arm_transform_graph(arm_code_gen_t *cg) {
+ static int imm_initialized = 0;
- asm_node = (*transform)(node, cg);
+ if (! imm_initialized) {
+ arm_init_fpa_immediate();
+ imm_initialized = 1;
}
+ arm_register_transformers();
+ env_cg = cg;
+ be_transform_graph(cg->birg, arm_pretransform_node, cg);
+}
- if (asm_node) {
- exchange(node, asm_node);
- DB((cg->mod, LEVEL_1, "created node %+F[%p]\n", asm_node, asm_node));
- }
- else {
- DB((cg->mod, LEVEL_1, "ignored\n"));
- }
+void arm_init_transform(void) {
+ // FIRM_DBG_REGISTER(dbg, "firm.be.arm.transform");
}
projects / libfirm / blobdiff