From: Michael Beck <beck@ipd.info.uni-karlsruhe.de>
Date: Tue, 28 Mar 2006 17:10:14 +0000 (+0000)
Subject: added used_x87 flag, so the x87 simulator runs only if fp
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=6a1689432de429bb410d8104b406f837f06b8c41;p=libfirm

added used_x87 flag, so the x87 simulator runs only if fp
code was emitted
---

diff --git a/ir/be/ia32/bearch_ia32.c b/ir/be/ia32/bearch_ia32.c
index 0c7f21b0d..b113839b8 100644
--- a/ir/be/ia32/bearch_ia32.c
+++ b/ir/be/ia32/bearch_ia32.c
@@ -681,7 +681,7 @@ static void ia32_after_ra(void *self) {
 	irg_walk_blkwise_graph(cg->irg, NULL, ia32_after_ra_walker, self);
 
 	/* if we do x87 code generation, rewrite all the virtual instructions and registers */
-	if (USE_x87(cg)) {
+	if (cg->used_x87) {
 		x87_simulate_graph(cg->arch_env, cg->irg, cg->blk_sched);
 		be_dump(cg->irg, "-x87", dump_ir_extblock_graph_sched);
 	}
@@ -745,11 +745,13 @@ static void *ia32_cg_init(FILE *F, const be_irg_t *birg) {
 	cg->birg      = birg;
 	cg->blk_sched = NULL;
 	cg->fp_kind   = isa->fp_kind;
+	cg->used_x87  = 0;
+
 	FIRM_DBG_REGISTER(cg->mod, "firm.be.ia32.cg");
 
 	/* set optimizations */
 	cg->opt.incdec    = 0;
-	cg->opt.doam      = USE_SSE2(cg) ? 1 : 0;
+	cg->opt.doam      = 1;
 	cg->opt.placecnst = 1;
 	cg->opt.immops    = 1;
 	cg->opt.extbb     = 1;
diff --git a/ir/be/ia32/bearch_ia32_t.h b/ir/be/ia32/bearch_ia32_t.h
index 8258b3a76..2329eea6e 100644
--- a/ir/be/ia32/bearch_ia32_t.h
+++ b/ir/be/ia32/bearch_ia32_t.h
@@ -51,6 +51,7 @@ typedef struct _ia32_code_gen_t {
 	ir_node                        **blk_sched;    /**< an array containing the scheduled blocks */
 	ia32_optimize_t                 opt;           /**< contains optimization information */
 	char                            fp_kind;       /**< floating point kind */
+	char                            used_x87;      /**< x87 floating point unit used in this graph */
 } ia32_code_gen_t;
 
 typedef struct _ia32_isa_t {