X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fia32_architecture.c;h=2d3b231023d210786b4641400878be8bdc2b7c10;hb=364f62c0e724071304b78314aab11f658cd0ef33;hp=a8f927ab9c34a2c4d328b63db0861f6930a6b16b;hpb=c080deff990818b37e237ad982c9e1bb1b855bd8;p=libfirm

diff --git a/ir/be/ia32/ia32_architecture.c b/ir/be/ia32/ia32_architecture.c
index a8f927ab9..2d3b23102 100644
--- a/ir/be/ia32/ia32_architecture.c
+++ b/ir/be/ia32/ia32_architecture.c
@@ -118,7 +118,7 @@ enum cpu_support {
 	cpu_winchip_c6  = arch_i486 | arch_feature_mmx,
 	cpu_winchip2    = arch_i486 | arch_feature_mmx | arch_feature_3DNow,
 	cpu_c3          = arch_i486 | arch_feature_mmx | arch_feature_3DNow,
-	cpu_c3_2        = arch_ppro | arch_sse1_insn,  /* really no 3DNow! */
+	cpu_c3_2        = arch_ppro | arch_feature_p6_insn | arch_sse1_insn, /* really no 3DNow! */
 };
 
 static int         opt_size             = 0;
@@ -466,11 +466,11 @@ void ia32_setup_cg_config(void)
 	set_arch_costs();
 
 	c->optimize_size        = opt_size != 0;
-	/* on newer intel cpus mov, pop is often faster then leave although it has a
+	/* on newer intel cpus mov, pop is often faster than leave although it has a
 	 * longer opcode */
 	c->use_leave            = FLAGS(opt_arch, arch_i386 | arch_all_amd | arch_core2) || opt_size;
 	/* P4s don't like inc/decs because they only partially write the flags
-	   register which produces false dependencies */
+	 * register which produces false dependencies */
 	c->use_incdec           = !FLAGS(opt_arch, arch_netburst | arch_nocona | arch_core2 | arch_geode) || opt_size;
 	c->use_sse2             = use_sse2 && FLAGS(arch, arch_feature_sse2);
 	c->use_ffreep           = FLAGS(opt_arch, arch_athlon_plus);
@@ -493,6 +493,7 @@ void ia32_setup_cg_config(void)
 	c->use_imul_mem_imm32   = !FLAGS(opt_arch, arch_k8 | arch_k10) || opt_size;
 	c->use_pxor             = FLAGS(opt_arch, arch_netburst);
 	c->use_mov_0            = FLAGS(opt_arch, arch_k6) && !opt_size;
+	c->use_short_sex_eax    = !FLAGS(opt_arch, arch_k6) && !opt_size;
 	c->use_pad_return       = FLAGS(opt_arch, arch_athlon_plus | arch_core2 | arch_generic32) && !opt_size;
 	c->use_bt               = FLAGS(opt_arch, arch_core2 | arch_athlon_plus) || opt_size;
 	c->use_fisttp           = FLAGS(opt_arch & arch, arch_feature_sse3);