- do not use imul mem, imm32 on newer AMD cpu's

[libfirm] / ir / be / ia32 / ia32_architecture.c

diff --git a/ir/be/ia32/ia32_architecture.c b/ir/be/ia32/ia32_architecture.c
index 32e4871..ff4be15 100644 (file)
--- a/ir/be/ia32/ia32_architecture.c
+++ b/ir/be/ia32/ia32_architecture.c
@@ -443,6 +443,7 @@ void ia32_setup_cg_config(void)
                                              IS_P6_ARCH(opt_arch) || IS_NETBURST_ARCH(opt_arch) ||
                                              (opt_arch == arch_core2) || (opt_arch == arch_generic) ||
                                              (opt_arch == arch_i386) || (opt_arch == arch_i486);
+       ia32_cg_config.use_imul_mem_imm32   = !(opt_arch == arch_opteron || opt_arch == arch_k10);
        ia32_cg_config.optimize_cc          = opt_cc;
        ia32_cg_config.use_unsafe_floatconv = opt_unsafe_floatconv;