disable femms usage for now

[r22539]

diff --git a/ir/be/ia32/ia32_architecture.c b/ir/be/ia32/ia32_architecture.c
index 92566ba..d9a81bd 100644 (file)
--- a/ir/be/ia32/ia32_architecture.c
+++ b/ir/be/ia32/ia32_architecture.c
@@ -503,8 +503,13 @@ void ia32_setup_cg_config(void)
        ia32_cg_config.use_sse2             = use_sse2 && FLAGS(arch, arch_feature_sse2);
        ia32_cg_config.use_ffreep           = FLAGS(opt_arch, arch_athlon_plus);
        ia32_cg_config.use_ftst             = !FLAGS(arch, arch_feature_p6_insn);
+       /* valgrind can't cope with femms yet and the usefullness of the optimisation is questionable anyway */
+#if 0
        ia32_cg_config.use_femms            = FLAGS(opt_arch, arch_athlon_plus) &&
                                              FLAGS(arch, arch_feature_mmx | arch_all_amd);
+#else
+       ia32_cg_config.use_femms            = 0;
+#endif
        ia32_cg_config.use_fucomi           = FLAGS(arch, arch_feature_p6_insn);
        ia32_cg_config.use_cmov             = FLAGS(arch, arch_feature_p6_insn);
        ia32_cg_config.use_modeD_moves      = FLAGS(opt_arch, arch_athlon_plus | arch_geode | arch_ppro |