+/*
+ * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
/**
- * This is the main ia32 firm backend driver.
- * @author Christian Wuerdig
- * $Id$
+ * @file
+ * @brief This is the main ia32 firm backend driver.
+ * @author Christian Wuerdig
+ * @version $Id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
arch_set_irn_register(cg->arch_env, res, reg);
*place = res;
-#if 0
- /* keep the node so it isn't accidently removed when unused ... */
- in[0] = res;
- keep = be_new_Keep(arch_register_get_class(reg), cg->irg, block, 1, in);
-#endif
add_irn_dep(get_irg_end(cg->irg), res);
/* add_irn_dep(get_irg_start(cg->irg), res); */
if (is_ia32_Ld(irn))
classification |= arch_irn_class_load;
- if (is_ia32_St(irn) || is_ia32_Store8Bit(irn))
+ if (is_ia32_St(irn))
classification |= arch_irn_class_store;
if (is_ia32_need_stackent(irn))
ir_node *noreg = ia32_new_NoReg_gp(cg);
ir_node *push;
+ /* ALL nodes representing bp must be set to ignore. */
+ be_node_set_flags(get_Proj_pred(curr_bp), BE_OUT_POS(get_Proj_proj(curr_bp)), arch_irn_flags_ignore);
+
/* push ebp */
push = new_rd_ia32_Push(NULL, env->irg, bl, noreg, noreg, curr_bp, curr_sp, *mem);
curr_sp = new_r_Proj(env->irg, bl, push, get_irn_mode(curr_sp), pn_ia32_Push_stack);
be_dump(cg->irg, "-transformed", dump_ir_block_graph_sched);
/* optimize address mode */
- ia32_optimize_addressmode(cg);
+ ia32_optimize_graph(cg);
if (cg->dump)
be_dump(cg->irg, "-am", dump_ir_block_graph_sched);
// create pushs
for(i = 0; i < arity; ++i) {
- ir_entity *ent = be_get_MemPerm_in_entity(node, i);
- ir_type *enttype = get_entity_type(ent);
+ ir_entity *inent = be_get_MemPerm_in_entity(node, i);
+ ir_entity *outent = be_get_MemPerm_out_entity(node, i);
+ ir_type *enttype = get_entity_type(inent);
int entbits = get_type_size_bits(enttype);
+ int entbits2 = get_type_size_bits(get_entity_type(outent));
ir_node *mem = get_irn_n(node, i + 1);
ir_node *push;
- assert(get_entity_type(be_get_MemPerm_out_entity(node, i)) == enttype);
+ /* work around cases where entities have different sizes */
+ if(entbits2 < entbits)
+ entbits = entbits2;
assert( (entbits == 32 || entbits == 64) && "spillslot on x86 should be 32 or 64 bit");
- push = create_push(cg, node, node, sp, mem, ent);
+ push = create_push(cg, node, node, sp, mem, inent);
sp = create_spproj(cg, node, push, pn_ia32_Push_stack, node);
if(entbits == 64) {
// add another push after the first one
- push = create_push(cg, node, node, sp, mem, ent);
+ push = create_push(cg, node, node, sp, mem, inent);
add_ia32_am_offs_int(push, 4);
sp = create_spproj(cg, node, push, pn_ia32_Push_stack, node);
}
// create pops
for(i = arity - 1; i >= 0; --i) {
- ir_entity *ent = be_get_MemPerm_out_entity(node, i);
- ir_type *enttype = get_entity_type(ent);
+ ir_entity *inent = be_get_MemPerm_in_entity(node, i);
+ ir_entity *outent = be_get_MemPerm_out_entity(node, i);
+ ir_type *enttype = get_entity_type(outent);
int entbits = get_type_size_bits(enttype);
+ int entbits2 = get_type_size_bits(get_entity_type(inent));
ir_node *pop;
+ /* work around cases where entities have different sizes */
+ if(entbits2 < entbits)
+ entbits = entbits2;
assert( (entbits == 32 || entbits == 64) && "spillslot on x86 should be 32 or 64 bit");
- pop = create_pop(cg, node, node, sp, ent);
+ pop = create_pop(cg, node, node, sp, outent);
sp = create_spproj(cg, node, pop, pn_ia32_Pop_stack, node);
if(entbits == 64) {
add_ia32_am_offs_int(pop, 4);
// add another pop after the first one
- pop = create_pop(cg, node, node, sp, ent);
+ pop = create_pop(cg, node, node, sp, outent);
sp = create_spproj(cg, node, pop, pn_ia32_Pop_stack, node);
}
be_node_needs_frame_entity(env, node, mode, align);
} else {
#ifndef NDEBUG
- if(!is_ia32_Store(node)
- && !is_ia32_xStore(node)
- && !is_ia32_xStoreSimple(node)
+ if(!is_ia32_St(node) && !is_ia32_xStoreSimple(node)
&& !is_ia32_vfist(node)
&& !is_ia32_GetST0(node)
&& !is_ia32_FnstCW(node)) {