#include "iropt_t.h"
#include "debug.h"
+#include "../benode_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 "gen_ia32_regalloc_if.h"
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
-};
-
/****************************************************************************************************
* @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) {
+static ir_node *gen_imm_Add(ia32_transform_env_t *env, ir_node *expr_op, ir_node *const_op) {
ir_node *new_op;
- tarval *tv = get_ia32_Immop_tarval(const_op);
- int normal_add = 0;
+ tarval *tv = get_ia32_Immop_tarval(const_op);
+ int normal_add = 0;
tarval_classification_t class_tv, class_negtv;
+ firm_dbg_module_t *mod = env->mod;
+ dbg_info *dbg = env->dbg;
+ ir_mode *mode = env->mode;
+ ir_graph *irg = env->irg;
+ ir_node *block = env->block;
/* const_op: tarval or SymConst? */
if (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);
+ DB((env->mod, LEVEL_2, "Add(1) to Inc ... "));
+ new_op = new_rd_ia32_Inc(dbg, irg, 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);
+ DB((mod, LEVEL_2, "Add(-1) to Dec ... "));
+ new_op = new_rd_ia32_Dec(dbg, irg, block, expr_op, mode);
}
else
normal_add = 1;
normal_add = 1;
if (normal_add)
- new_op = new_rd_ia32_Lea_i(dbg, current_ir_graph, block, expr_op, mode);
+ new_op = new_rd_ia32_Lea_i(dbg, irg, block, expr_op, mode);
return new_op;
}
* @param mode node mode
* @return the created ia32 Add node
*/
-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) {
+static ir_node *gen_Add(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
ir_node *shli_op;
ir_node *expr_op;
ir_node *new_op;
int normal_add = 0;
+ dbg_info *dbg = env->dbg;
+ ir_mode *mode = env->mode;
+ ir_graph *irg = env->irg;
+ ir_node *block = env->block;
if (mode_is_float(mode)) {
- return new_rd_ia32_fAdd(dbg, current_ir_graph, block, op1, op2, mode);
+ return new_rd_ia32_fAdd(dbg, irg, block, op1, op2, mode);
}
/* try to optimize with LEA */
expr_op = get_irn_n(expr_op, 0);
}
- new_op = new_rd_ia32_Lea(dbg, current_ir_graph, block, expr_op, get_irn_n(shli_op, 0), mode);
+ new_op = new_rd_ia32_Lea(dbg, irg, block, expr_op, get_irn_n(shli_op, 0), mode);
set_ia32_Immop_tarval(new_op, tv);
set_ia32_am_offs(new_op, offs);
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));
+ new_op = new_rd_ia32_Lea(dbg, irg, block, op1, op2, mode);
+ set_ia32_Immop_tarval(new_op, get_tarval_null(mode_Iu));
set_ia32_am_offs(new_op, NULL);
}
+/**
+ * Generates an ia32 Mul node.
+ *
+ * @param env The transformation environment
+ * @param op1 The first faktor
+ * @param op2 The second factor
+ * @param mul_flav flavour_Mul/Mulh
+ * @return The ready-to-go Mul node
+ */
+ir_node *generate_Mul(ia32_transform_env_t *env, ir_node *op1, ir_node *op2, op_flavour_t mul_flav, int is_imm_op) {
+ ir_node *in_keep[1], *res;
+ long pn_good, pn_bad;
+ dbg_info *dbg = env->dbg;
+ ir_graph *irg = env->irg;
+ ir_node *block = env->block;
+ ir_mode *mode = env->mode;
+ ir_node *mul;
+
+ /* create the mul */
+ if (is_imm_op) {
+ mul = new_rd_ia32_Mul_i(dbg, irg, block, op1, mode_T);
+ set_ia32_Immop_attr(mul, op2);
+ }
+ else {
+ mul = new_rd_ia32_Mul(dbg, irg, block, op1, op2, mode_T);
+ }
+ set_ia32_flavour(mul, mul_flav);
+
+ /* create the mul infrastructure */
+ if (mul_flav == flavour_Mul) {
+ pn_good = pn_EAX;
+ pn_bad = pn_EDX;
+ }
+ else { /* Mulh */
+ pn_good = pn_EDX;
+ pn_bad = pn_EAX;
+ }
+
+ res = new_rd_Proj(dbg, irg, block, mul, mode, pn_good);
+ in_keep[0] = new_rd_Proj(dbg, irg, block, mul, mode, pn_bad);
+
+ be_new_Keep(&ia32_reg_classes[CLASS_ia32_general_purpose], irg, block, 1, in_keep);
+
+ return res;
+}
+
+
+
/**
* Creates an ia32 Mul with immediate.
*
* @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);
+static ir_node *gen_imm_Mul(ia32_transform_env_t *env, ir_node *expr_op, ir_node *const_op) {
+ /* Mul with immediate only possible with int, so we don't need to check for float */
+ return generate_Mul(env, expr_op, const_op, flavour_Mul, 1);
}
/**
* @param mode node mode
* @return the created ia32 Mul node
*/
-ir_node *gen_Mul(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_fMul(dbg, current_ir_graph, block, op1, op2, mode);
+ir_node *gen_Mul(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
+ if (mode_is_float(env->mode)) {
+ return new_rd_ia32_fMul(env->dbg, env->irg, env->block, op1, op2, env->mode);
+ }
+ else {
+ return generate_Mul(env, op1, op2, flavour_Mul, 0);
}
- return new_rd_ia32_Mul(dbg, current_ir_graph, block, op1, op2, mode);
}
* @param mode node mode
* @return the created ia23 Mulh_i 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_imm_Mulh(ia32_transform_env_t *env, ir_node *expr_op, ir_node *const_op) {
+ return generate_Mul(env, expr_op, const_op, flavour_Mulh, 1);
}
/**
* @param mode node mode
* @return the created ia32 Mulh 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_Mulh(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
+ return generate_Mul(env, op1, op2, flavour_Mulh, 0);
}
* @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);
+static ir_node *gen_imm_And(ia32_transform_env_t *env, ir_node *expr_op, ir_node *const_op) {
+ return new_rd_ia32_And_i(env->dbg, env->irg, env->block, expr_op, env->mode);
}
/**
* @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);
+static ir_node *gen_And(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
+ return new_rd_ia32_And(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
* @param mode node mode
* @return the created ia23 Or_i node
*/
-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);
+static ir_node *gen_imm_Or(ia32_transform_env_t *env, ir_node *expr_op, ir_node *const_op) {
+ return new_rd_ia32_Or_i(env->dbg, env->irg, env->block, expr_op, env->mode);
}
/**
* @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);
+static ir_node *gen_Or(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
+ return new_rd_ia32_Or(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
* @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);
+static ir_node *gen_imm_Eor(ia32_transform_env_t *env, ir_node *expr_op, ir_node *const_op) {
+ return new_rd_ia32_Eor_i(env->dbg, env->irg, env->block, expr_op, env->mode);
}
/**
* @param mode node mode
* @return the created ia32 Eor 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_Eor(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
+ return new_rd_ia32_Eor(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
* @param mode node mode
* @return the created ia23 Max 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_Max(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
+ return new_rd_ia32_Max(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
* @param mode node mode
* @return the created ia23 Min 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_Min(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
+ return new_rd_ia32_Min(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
* @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) {
+static ir_node *gen_imm_Sub(ia32_transform_env_t *env, ir_node *expr_op, ir_node *const_op) {
ir_node *new_op;
- tarval *tv = get_ia32_Immop_tarval(const_op);
+ tarval *tv = get_ia32_Immop_tarval(const_op);
int normal_sub = 0;
tarval_classification_t class_tv, class_negtv;
+ firm_dbg_module_t *mod = env->mod;
+ dbg_info *dbg = env->dbg;
+ ir_mode *mode = env->mode;
+ ir_graph *irg = env->irg;
+ ir_node *block = env->block;
/* const_op: tarval or SymConst? */
if (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);
+ DB((mod, LEVEL_2, "Sub(1) to Dec ... "));
+ new_op = new_rd_ia32_Dec(dbg, irg, 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);
+ DB((mod, LEVEL_2, "Sub(-1) to Inc ... "));
+ new_op = new_rd_ia32_Inc(dbg, irg, block, expr_op, mode);
}
else
normal_sub = 1;
normal_sub = 1;
if (normal_sub)
- new_op = new_rd_ia32_Sub_i(dbg, current_ir_graph, block, expr_op, mode);
+ new_op = new_rd_ia32_Sub_i(dbg, irg, block, expr_op, mode);
return new_op;
}
* @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);
+static ir_node *gen_Sub(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
+ if (mode_is_float(env->mode)) {
+ return new_rd_ia32_fSub(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
- return new_rd_ia32_Sub(dbg, current_ir_graph, block, op1, op2, mode);
+ return new_rd_ia32_Sub(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
/**
- * Creates an ia32 Mod.
+ * Generates an ia32 DivMod with additional infrastructure for the
+ * register allocator if needed.
*
- * @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
+ * @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 *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);
+static ir_node *generate_DivMod(ia32_transform_env_t *env, ir_node *dividend, ir_node *divisor, op_flavour_t dm_flav) {
+ ir_node *res, *proj;
+ ir_node *edx_node, *cltd;
+ ir_node *in_keep[1];
+ dbg_info *dbg = env->dbg;
+ ir_graph *irg = env->irg;
+ ir_node *block = env->block;
+ ir_mode *mode = env->mode;
+ ir_node *irn = env->irn;
+ ir_node *mem;
+
+ switch (dm_flav) {
+ case flavour_Div:
+ mem = get_Div_mem(irn);
+ break;
+ case flavour_Mod:
+ mem = get_Mod_mem(irn);
+ break;
+ case flavour_DivMod:
+ mem = get_DivMod_mem(irn);
+ break;
+ default:
+ assert(0);
+ }
+
+ if (mode_is_signed(mode)) {
+ /* in signed mode, we need to sign extend the dividend */
+ cltd = new_rd_ia32_Cltd(dbg, irg, block, dividend, mode_T);
+ dividend = new_rd_Proj(dbg, irg, block, cltd, mode_Is, pn_EAX);
+ edx_node = new_rd_Proj(dbg, irg, block, cltd, mode_Is, pn_EDX);
+ }
+ else {
+ edx_node = new_rd_ia32_Const(dbg, irg, block, mode_Iu);
+ set_ia32_Const_type(edx_node, asmop_Const);
+ set_ia32_Immop_tarval(edx_node, get_tarval_null(mode_Iu));
+ }
+
+ res = new_rd_ia32_DivMod(dbg, irg, block, dividend, divisor, edx_node, mem, mode);
+
+ set_ia32_flavour(res, dm_flav);
+ set_ia32_n_res(res, 2);
+
+ /* Only one proj is used -> We must add a second proj and */
+ /* connect this one to a Keep node to eat up the second */
+ /* destroyed register. */
+ if (get_irn_n_edges(irn) == 1) {
+ proj = get_edge_src_irn(get_irn_out_edge_first(irn));
+ assert(is_Proj(proj) && "non-Proj to Div/Mod node");
+
+ if (get_Proj_proj(proj) == pn_DivMod_res_div) {
+ in_keep[0] = new_rd_Proj(dbg, irg, block, res, mode_Is, pn_DivMod_res_mod);
+ }
+ else {
+ in_keep[0] = new_rd_Proj(dbg, irg, block, res, mode_Is, pn_DivMod_res_div);
+ }
+
+ be_new_Keep(&ia32_reg_classes[CLASS_ia32_general_purpose], irg, block, 1, in_keep);
+ }
+
+ return res;
+}
+
+
+/**
+ * Wrapper for generate_DivMod. Sets flavour_Mod.
+ */
+static ir_node *gen_Mod(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
+ return generate_DivMod(env, op1, op2, flavour_Mod);
}
/**
- * Creates an ia32 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 Div node
+ * Wrapper for generate_DivMod. Sets flavour_Div.
*/
-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_Div(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
+ return generate_DivMod(env, op1, op2, flavour_Div);
}
/**
- * 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
+ * Wrapper for generate_DivMod. Sets flavour_DivMod.
*/
-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);
+static ir_node *gen_DivMod(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
+ return generate_DivMod(env, op1, op2, flavour_DivMod);
}
* @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);
+static ir_node *gen_Quot(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
+ return new_rd_ia32_fDiv(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
* @param mode node mode
* @return the created ia23 Shl_i 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_imm_Shl(ia32_transform_env_t *env, ir_node *expr_op, ir_node *const_op) {
+ return new_rd_ia32_Shl_i(env->dbg, env->irg, env->block, expr_op, env->mode);
}
/**
* @param mode node mode
* @return the created ia32 Shl 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_Shl(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
+ return new_rd_ia32_Shl(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
* @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);
+static ir_node *gen_imm_Shr(ia32_transform_env_t *env, ir_node *expr_op, ir_node *const_op) {
+ return new_rd_ia32_Shr_i(env->dbg, env->irg, env->block, expr_op, env->mode);
}
/**
* @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);
+static ir_node *gen_Shr(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
+ return new_rd_ia32_Shr(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
* @param mode node mode
* @return the created ia23 Shrs_i 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_imm_Shrs(ia32_transform_env_t *env, ir_node *expr_op, ir_node *const_op) {
+ return new_rd_ia32_Shrs_i(env->dbg, env->irg, env->block, expr_op, env->mode);
}
/**
* @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);
+static ir_node *gen_Shrs(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
+ return new_rd_ia32_Shrs(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
* @param mode node mode
* @return the created ia32 RotL 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_RotL(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
+ return new_rd_ia32_RotL(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
* @param mode node mode
* @return the created ia32 RotR 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_RotR(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
+ return new_rd_ia32_RotR(env->dbg, env->irg, env->block, op1, op2, env->mode);
}
* @param mode node mode
* @return the created ia32 RotL 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_imm_Rot(ia32_transform_env_t *env, ir_node *expr_op, ir_node *const_op) {
+ return new_rd_ia32_RotL_i(env->dbg, env->irg, env->block, expr_op, env->mode);
}
/**
* @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) {
+static ir_node *gen_Rot(ia32_transform_env_t *env, ir_node *op1, ir_node *op2) {
ir_node *rotate = NULL;
/* Firm has only Rot (which is a RotL), so we are looking for a right (op2)
if (is_ia32_Minus(minus)) {
tarval *tv = get_ia32_Immop_tarval(op2);
- long bits = get_mode_size_bits(mode);
+ long bits = get_mode_size_bits(env->mode);
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);
+ DB((env->mod, LEVEL_1, "RotL into RotR ... "));
+ rotate = gen_RotR(env, op1, get_irn_n(minus, 0));
}
}
}
if (!rotate)
- rotate = gen_RotL(mod, dbg, block, op1, op2, mode);
+ rotate = gen_RotL(env, op1, op2);
return rotate;
}
/**
- * Transforms commutative operations (op_Add, op_Mul, op_And, op_Or, op_Eor)
+ * Transforms commutative operations (op_Add, op_And, op_Or, op_Eor)
* and non-commutative operations with com == 0 (op_Sub, op_Shl, op_Shr, op_Shrs, op_Rot)
*
* @param mod the debug module
* @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
+static ir_node *gen_arith_Op(ia32_transform_env_t *env, ir_node *op1, ir_node *op2, int com) {
+ firm_dbg_module_t *mod = env->mod;
+ ir_node *node = env->irn;
+ 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);
+
+#undef GENOP
+#undef GENOPI
+#undef GENOPI_SETATTR
+#define GENOP(a) case iro_##a: asm_node = gen_##a(env, op1, op2); break
+#define GENOPI(a) case iro_##a: asm_node = gen_imm_##a(env, expr_op, imm_op); break
+#define GENOPI_SETATTR(a) case iro_##a: asm_node = gen_imm_##a(env, expr_op, imm_op); set_ia32_Immop_attr(asm_node, imm_op); break
if (com)
imm_op = get_immediate_op(op1, op2);
/* 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)));
+ DB((mod, LEVEL_2, "%+F(Const, Const) -> binop ... ", get_irn_opname(node)));
imm_op = NULL;
}
- if (op == get_op_Min() || op == get_op_Max()) {
- DBG((mod, LEVEL_2, "MIN/MAX imm not available, creating binop ... "));
- imm_op = NULL;
+ /* There are arithmetic operations which can't take an immediate */
+ switch(opc) {
+ case iro_Div:
+ case iro_Mod:
+ case iro_DivMod:
+ DB((mod, LEVEL_2, "Div/Mod/DivMod imm -> binop ... "));
+ imm_op = NULL;
+ break;
+ default:
+ if (op == get_op_Min() || op == get_op_Max()) {
+ DB((mod, LEVEL_2, "MIN/MAX imm -> binop ... "));
+ imm_op = NULL;
+ }
+ break;
}
- DBG((mod, LEVEL_1, "(op1: %s -- op2: %s) ... ", get_irn_opname(op1), get_irn_opname(op2)));
+ DB((mod, LEVEL_1, "(%+F -- %+F) ... ", op1, op2));
- if (!mode_is_float(mode) && imm_op) {
- DBG((mod, LEVEL_1, "%s with imm ... ", get_irn_opname(node)));
+ if (!mode_is_float(env->mode) && imm_op) {
+ DB((mod, LEVEL_1, "immop ... "));
switch(opc) {
- GENOPI(Add);
+ GENOPI_SETATTR(Add);
GENOPI(Mul);
- GENOPI(And);
- GENOPI(Or);
- GENOPI(Eor);
-
- GENOPI(Sub);
- GENOPI(Shl);
- GENOPI(Shr);
- GENOPI(Shrs);
- GENOPI(Rot);
+ GENOPI_SETATTR(And);
+ GENOPI_SETATTR(Or);
+ GENOPI_SETATTR(Eor);
+
+ GENOPI_SETATTR(Sub);
+ GENOPI_SETATTR(Shl);
+ GENOPI_SETATTR(Shr);
+ GENOPI_SETATTR(Shrs);
+ GENOPI_SETATTR(Rot);
default:
if (op == get_op_Mulh()) {
- asm_node = gen_imm_Mulh(mod, dbg, block, expr_op, imm_op, mode);
+ asm_node = gen_imm_Mulh(env, expr_op, imm_op);
}
- else
+ else {
assert("binop_i: THIS SHOULD NOT HAPPEN");
+ }
}
-
- set_ia32_Immop_attr(asm_node, imm_op);
}
else {
- DBG((mod, LEVEL_1, "%s as binop ... ", get_irn_opname(node)));
+ DB((mod, LEVEL_1, "binop ... "));
switch(opc) {
GENOP(Add);
GENOP(Quot);
+ GENOP(Div);
+ GENOP(Mod);
+ GENOP(DivMod);
+
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);
+ if (op == get_op_Max()) {
+ asm_node = gen_Max(env, op1, op2);
}
else if (op == get_op_Min()) {
- asm_node = gen_Min(mod, dbg, block, op1, op2, mode);
+ asm_node = gen_Min(env, op1, op2);
}
- else
+ else if (op == get_op_Mulh()) {
+ asm_node = gen_Mulh(env, op1, op2);
+ }
+ else {
assert("binop: THIS SHOULD NOT HAPPEN");
+ }
}
}
return asm_node;
}
+#undef GENOP
+#undef GENOPI
+#undef GENOPI_SETATTR
* @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) {
+static ir_node *gen_Minus(ia32_transform_env_t *env, ir_node *op) {
if (is_ia32_Minus(op) || is_ia32_fMinus(op)) {
- DBG((mod, LEVEL_1, "optimizing --(e) to e ..."));
+ DB((env->mod, LEVEL_1, "--(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);
+ if (mode_is_float(env->mode)) {
+ return new_rd_ia32_fMinus(env->dbg, env->irg, env->block, op, env->mode);
}
- return new_rd_ia32_Minus(get_irn_dbg_info(node), current_ir_graph, block, op, mode);
+ return new_rd_ia32_Minus(env->dbg, env->irg, env->block, op, env->mode);
}
}
* @param mode node mode
* @return the created ia32 Conv 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_Conv(ia32_transform_env_t *env, ir_node *op) {
+ return new_rd_ia32_Conv(env->dbg, env->irg, env->block, op, env->mode);
}
* @param mode node mode
* @return the created ia32 Not 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_Not(ia32_transform_env_t *env, ir_node *op) {
+ return new_rd_ia32_Not(env->dbg, env->irg, env->block, op, env->mode);
}
* @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) {
+static ir_node *gen_Abs(ia32_transform_env_t *env, ir_node *op) {
ir_node *res, *p_eax, *p_edx;
- dbg_info *dbg = get_irn_dbg_info(node);
+ dbg_info *dbg = env->dbg;
+ ir_mode *mode = env->mode;
+ ir_graph *irg = env->irg;
+ ir_node *block = env->block;
- 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);
+ res = new_rd_ia32_Cltd(dbg, irg, block, op, mode_T);
+ p_eax = new_rd_Proj(dbg, irg, block, res, mode, pn_EAX);
+ p_edx = new_rd_Proj(dbg, irg, block, res, mode, pn_EDX);
+ res = new_rd_ia32_Eor(dbg, irg, block, p_eax, p_edx, mode);
+ res = new_rd_ia32_Sub(dbg, irg, block, res, p_edx, mode);
return res;
}
* @param mode node mode
* @return the created ia32 Load 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);
+static ir_node *gen_Load(ia32_transform_env_t *env) {
+ ir_node *node = env->irn;
+
+ if (mode_is_float(env->mode)) {
+ return new_rd_ia32_fLoad(env->dbg, env->irg, env->block, get_Load_ptr(node), get_Load_mem(node), env->mode);
}
- return new_rd_ia32_Load(get_irn_dbg_info(node), current_ir_graph, block, get_Load_ptr(node), get_Load_mem(node), mode);
+ return new_rd_ia32_Load(env->dbg, env->irg, env->block, get_Load_ptr(node), get_Load_mem(node), env->mode);
}
* @param mode node mode
* @return the created ia32 Store 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);
+ir_node *gen_Store(ia32_transform_env_t *env) {
+ ir_node *node = env->irn;
+
+ if (mode_is_float(env->mode)) {
+ return new_rd_ia32_fStore(env->dbg, env->irg, env->block, get_Store_ptr(node), get_Store_value(node), get_Store_mem(node), env->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);
+ return new_rd_ia32_Store(env->dbg, env->irg, env->block, get_Store_ptr(node), get_Store_value(node), get_Store_mem(node), env->mode);
}
-/**
- * Check all parameters and determine the maximum number of parameters
- * to pass in gp regs resp. in fp regs.
- */
-static void get_n_regparam_class(int n, ir_node **param, int *n_int, int *n_float) {
- int i;
-
- 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;
-
- /* test for maximum */
- if (*n_int == maxnum_gpreg_args)
- break;
-
- if (*n_float == maxnum_fpreg_args)
- break;
- }
-}
-
/**
* Transforms a Call and its arguments corresponding to the calling convention.
*
* @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;
+static ir_node *gen_Call(ia32_transform_env_t *env) {
+ const ia32_register_req_t **in_req;
+ ir_node **in;
+ ir_node *new_call, *sync;
+ int i, j, n_new_call_in, ignore = 0;
+ asmop_attr *attr;
+ dbg_info *dbg = env->dbg;
+ ir_graph *irg = env->irg;
+ ir_node *block = env->block;
+ ir_node *call = env->irn;
+ 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 stack_idx = 0;
+ int biggest_n = -1;
+ int n_res = get_method_n_ress(get_Call_type(call));
+
+ assert(n_res <= 2 && "method with more than two results not supported");
if (cc & cc_reg_param)
- get_n_regparam_class(n, param, &n_gpregparam, &n_fpregparam);
+ biggest_n = ia32_get_n_regparam_class(n, param, &ignore, &ignore);
+
+ /* remember: biggest_n = x means we can pass (x + 1) parameters in register */
/* 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 *));
+ if (biggest_n + 1 < n)
+ stack_param = xcalloc(n - biggest_n - 1, 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;
- }
+ n_new_call_in = biggest_n + 2;
/* 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++;
- }
+ in = xcalloc(n_new_call_in, sizeof(ir_node *));
+ in_req = xcalloc(n_new_call_in, sizeof(arch_register_req_t *));
- /* maximum number of register parameters in one class reached? */
- if (cur_gp_idx >= maxnum_gpreg_args || cur_fp_idx >= maxnum_fpreg_args) {
- done = 1;
- }
+ /* loop over all parameters and set the register requirements */
+ for (i = 0; i <= biggest_n && (cc & cc_reg_param); i++) {
+ in_req[i] = ia32_get_RegParam_req(n, param, i, cc);
}
stack_idx = i;
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,
+ stack_param[i - stack_idx] = new_rd_ia32_fStackArg(get_irn_dbg_info(param[i]), irg,
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,
+ stack_param[i - stack_idx] = new_rd_ia32_StackArg(get_irn_dbg_info(param[i]), irg,
block, call_Mem, param[i], mode_M);
}
+ /* set the argument number for later lowering */
+ set_ia32_pncode(stack_param[i - stack_idx], i - stack_idx);
}
}
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,
+ stack_param[j] = new_rd_ia32_fStackArg(get_irn_dbg_info(param[i]), irg,
block, call_Mem, param[i], mode_M);
}
else {
- stack_param[j] = new_rd_ia32_StackArg(get_irn_dbg_info(param[i]), current_ir_graph,
+ stack_param[j] = new_rd_ia32_StackArg(get_irn_dbg_info(param[i]), irg,
block, call_Mem, param[i], mode_M);
}
+ /* set the argument number for later lowering */
+ set_ia32_pncode(stack_param[j], j);
}
}
if (stack_param) {
- sync = new_r_Sync(current_ir_graph, block, n - n_gpregparam - n_fpregparam, stack_param);
+ sync = new_r_Sync(irg, block, n - biggest_n - 1, stack_param);
in[n_new_call_in - 1] = sync;
}
else {
}
/* create the new node */
- new_call = new_rd_ia32_Call(get_irn_dbg_info(call), current_ir_graph, block, n_new_call_in, in);
+ new_call = new_rd_ia32_Call(dbg, irg, 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 *));
-
- /* stack parameter has no OUT register */
- attr->in_req[n_new_call_in - 1] = &ia32_default_req_none;
-
- return new_call;
-}
-
+ set_ia32_n_res(new_call, n_res);
-/**
- * creates a unique ident by adding a number to a tag
- *
- * @param tag the tag string, must contain a %d if a number
- * should be added
- */
-static ident *unique_id(const char *tag)
-{
- static unsigned id = 0;
- char str[256];
-
- snprintf(str, sizeof(str), tag, ++id);
- return new_id_from_str(str);
-}
-
-/**
- * Transforms a SymConst.
- *
- * @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
- */
-static ir_node *gen_SymConst(firm_dbg_module_t *mod, ir_node *block, ir_node *node, ir_mode *mode) {
- ir_node *cnst;
-
- if (mode_is_float(mode)) {
- cnst = new_rd_ia32_fConst(get_irn_dbg_info(node), current_ir_graph, block, mode);
+ attr->out_req = xcalloc(n_res, sizeof(ia32_register_req_t *));
+ attr->slots = xcalloc(n_res, sizeof(arch_register_t *));
+ /* two results only appear when a 64bit int result is broken up into two 32bit results */
+ if (n_res == 2) {
+ attr->out_req[0] = &ia32_default_req_ia32_general_purpose_eax;
+ attr->out_req[1] = &ia32_default_req_ia32_general_purpose_edx;
}
else {
- cnst = new_rd_ia32_Const(get_irn_dbg_info(node), current_ir_graph, block, mode);
+ if (mode_is_float(get_type_mode(get_method_res_type(get_Call_type(call), 0))))
+ attr->out_req[0] = &ia32_default_req_ia32_floating_point_xmm0;
+ else
+ attr->out_req[0] = &ia32_default_req_ia32_general_purpose_eax;
}
- set_ia32_Const_attr(cnst, node);
- return cnst;
-}
-
-/**
- * Transforms a Const.
- *
- * @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;
-
- 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);
- }
-
- 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);
-
- sym.entity_p = ent;
-
- 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);
- }
+ /* stack parameter has no OUT register */
+ attr->in_req[n_new_call_in - 1] = &ia32_default_req_none;
- return cnst;
+ return new_call;
}
* @param mode mode of the Cond
* @return The transformed 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;
+static ir_node *gen_Cond(ia32_transform_env_t *env) {
+ dbg_info *dbg = env->dbg;
+ ir_graph *irg = env->irg;
+ ir_node *block = env->block;
+ ir_node *node = env->irn;
+ 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);
expr = get_expr_op(cmp_a, cmp_b);
if (cnst && expr) {
- res = new_rd_ia32_CondJmp_i(get_irn_dbg_info(node), current_ir_graph, block, expr, mode_T);
+ res = new_rd_ia32_CondJmp_i(dbg, irg, 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);
+ res = new_rd_ia32_CondJmp(dbg, irg, block, cmp_a, cmp_b, mode_T);
}
set_ia32_pncode(res, get_Proj_proj(sel));
}
else {
- res = new_rd_ia32_SwitchJmp(get_irn_dbg_info(node), current_ir_graph, block, sel, mode_T);
+ res = new_rd_ia32_SwitchJmp(dbg, irg, block, sel, mode_T);
set_ia32_pncode(res, get_Cond_defaultProj(node));
}
* @param start the Start node
* @return Should be always NULL
*/
-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;
+static ir_node *gen_Proj_Start(ia32_transform_env_t *env, ir_node *proj, ir_node *start) {
+ const ia32_register_req_t *temp_req;
+ const ir_edge_t *edge;
+ ir_node *succ, *irn;
+ ir_node **projargs;
+ ir_mode *mode;
+ int n, i;
+ unsigned cc;
+ ir_node *proj_M = get_irg_initial_mem(current_ir_graph);
+ entity *irg_ent = get_irg_entity(current_ir_graph);
+ ir_type *tp = get_entity_type(irg_ent);
+ int cur_pn = 0;
+ ir_graph *irg = env->irg;
+ ir_node *block = env->block;
assert(is_Method_type(tp) && "irg type is not a method");
be variadic or one argument is not used. */
n = get_irn_n_edges(proj);
+ /* Allocate memory for all non variadic parameters in advance to be on the save side */
+ env->cg->reg_param_req = xcalloc(get_method_n_params(tp), sizeof(ia32_register_req_t *));
+
/* 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 *));
+ projargs = xcalloc(n, sizeof(ir_node *));
i = 0;
foreach_out_edge((const ir_node *)proj, edge) {
cc = get_method_calling_convention(tp);
- /* 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;
- }
-
/* 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++;
+ for (i = 0; i < n; i++) {
+ mode = get_irn_mode(projargs[i]);
+ cur_pn = get_Proj_proj(projargs[i]);
+
+ if (cc & cc_reg_param) {
+ temp_req = ia32_get_RegParam_req(n, projargs, cur_pn, cc);
}
- 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++;
+ else {
+ temp_req = NULL;
}
- /* kill the old "Proj Arg" and replace with the new Arg */
- exchange(projargs[i], irn);
-
- if (cur_gp_idx >= maxnum_gpreg_args || cur_fp_idx >= maxnum_fpreg_args) {
- stack_idx = i;
- done = 1;
+ if (temp_req) {
+ /* passed in register */
+ env->cg->reg_param_req[cur_pn] = temp_req;
}
- }
-
- /* 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);
+ else {
+ /* passed on stack */
+ if (mode_is_float(mode))
+ irn = new_rd_ia32_fStackParam(get_irn_dbg_info(projargs[i]), irg, block, proj_M, mode);
+ else
+ irn = new_rd_ia32_StackParam(get_irn_dbg_info(projargs[i]), irg, block, proj_M, mode);
- set_ia32_pncode(irn, get_Proj_proj(projargs[i]));
+ set_ia32_pncode(irn, cur_pn);
- /* kill the old "Proj Arg" and replace with the new stack param */
- exchange(projargs[i], irn);
+ /* kill the old "Proj Arg" and replace with the new stack param */
+ exchange(projargs[i], irn);
+ }
}
free(projargs);
break;
+ case pn_Start_P_frame_base:
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;
* @param mode mode of the Proj
* @return The transformed node.
*/
-static ir_node *gen_Proj(firm_dbg_module_t *mod, ir_node *block, ir_node *node, ir_mode *mode) {
+static ir_node *gen_Proj(ia32_transform_env_t *env) {
ir_node *new_node = NULL;
- ir_node *pred = get_Proj_pred(node);
+ ir_node *pred = get_Proj_pred(env->irn);
- if (mode == mode_M)
+ if (env->mode == mode_M)
return NULL;
if (get_irn_op(pred) == op_Start) {
- new_node = gen_Proj_Start(mod, block, node, pred);
+ new_node = gen_Proj_Start(env, env->irn, pred);
}
return new_node;
+/**
+ * Transforms an Alloc node into either ia32_Alloca or ia32_Malloc.
+ */
+static ir_node *gen_Alloc(ia32_transform_env_t *env) {
+ dbg_info *dbg = env->dbg;
+ ir_graph *irg = env->irg;
+ ir_node *block = env->block;
+ ir_node *irn = env->irn;
+ ir_mode *mode = env->mode;
+ ir_node *size = get_Alloc_size(irn);
+ ir_node *mem = get_Alloc_mem(irn);
+ ir_node *res;
+
+ if (get_Alloc_where(irn) == stack_alloc) {
+ if (is_ia32_Const(size)) {
+ res = new_rd_ia32_Alloca_i(dbg, irg, block, mem, mode);
+ set_ia32_Immop_attr(res, size);
+ }
+ else {
+ res = new_rd_ia32_Alloca(dbg, irg, block, size, mem, mode);
+ }
+ }
+ else {
+ assert(0 && "malloc should be already lowered");
+ res = NULL;
+ }
+
+ return res;
+}
+
/*********************************************************
* _ _ _
* (_) | | (_)
* @param env the debug module
*/
void ia32_transform_node(ir_node *node, void *env) {
- firm_dbg_module_t *mod = (firm_dbg_module_t *)env;
+ ia32_code_gen_t *cgenv = (ia32_code_gen_t *)env;
opcode code = get_irn_opcode(node);
ir_node *asm_node = NULL;
- ir_node *block;
- ir_mode *mode;
+ ia32_transform_env_t tenv;
if (is_Block(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
+ tenv.arch_env = cgenv->arch_env;
+ tenv.block = get_nodes_block(node);
+ tenv.dbg = get_irn_dbg_info(node);
+ tenv.irg = current_ir_graph;
+ tenv.irn = node;
+ tenv.mod = cgenv->mod;
+ tenv.mode = get_irn_mode(node);
+ tenv.cg = cgenv;
+
+#define UNOP(a) case iro_##a: asm_node = gen_##a(&tenv, get_##a##_op(node)); break
+#define BINOP(a) case iro_##a: asm_node = gen_##a(&tenv, get_##a##_left(node), get_##a##_right(node)); break
+#define BINOP_COM(a) case iro_##a: asm_node = gen_arith_Op(&tenv, get_##a##_left(node), get_##a##_right(node), 1); break
+#define BINOP_NCOM(a) case iro_##a: asm_node = gen_arith_Op(&tenv, get_##a##_left(node), get_##a##_right(node), 0); break
+#define GEN(a) case iro_##a: asm_node = gen_##a(&tenv); 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)));
+ DBG((tenv.mod, LEVEL_1, "check %+F ... ", node));
switch (code) {
BINOP_COM(Add);
BINOP_COM(Eor);
BINOP_NCOM(Sub);
- TRIOP(Mod);
- TRIOP(Div);
- TRIOP(DivMod);
BINOP_NCOM(Shl);
BINOP_NCOM(Shr);
BINOP_NCOM(Shrs);
BINOP_NCOM(Quot);
+ BINOP_NCOM(Div);
+ BINOP_NCOM(Mod);
+ BINOP_NCOM(DivMod);
UNOP(Minus);
UNOP(Conv);
GEN(Load);
GEN(Store);
GEN(Call);
- GEN(Const);
- GEN(SymConst);
GEN(Cond);
-
GEN(Proj);
+ GEN(Alloc);
IGN(Block);
IGN(Start);
IGN(IJmp);
IGN(Break);
IGN(Cmp);
+ IGN(Unknown);
+ /* constant transformation happens earlier */
+ IGN(Const);
+ IGN(SymConst);
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(CopyB);
default:
- if (get_irn_op(node) == get_op_Mulh() ||
- get_irn_op(node) == get_op_Max() ||
- get_irn_op(node) == get_op_Min())
+ if (get_irn_op(node) == get_op_Max() ||
+ get_irn_op(node) == get_op_Min() ||
+ get_irn_op(node) == get_op_Mulh())
{
- asm_node = gen_arith_Op(mod, block, node, get_irn_n(node, 0), get_irn_n(node, 1), mode, 1);
+ asm_node = gen_arith_Op(&tenv, get_irn_n(node, 0), get_irn_n(node, 1), 1);
}
break;
bad:
if (asm_node) {
exchange(node, asm_node);
- DBG((mod, LEVEL_1, "created node %+F[%p]\n", asm_node, asm_node));
+ DB((tenv.mod, LEVEL_1, "created node %+F[%p]\n", asm_node, asm_node));
}
else {
- DBG((mod, LEVEL_1, "ignored\n"));
+ DB((tenv.mod, LEVEL_1, "ignored\n"));
}
}
projects / libfirm / blobdiff