http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46768
--- Comment #15 from Jack Howarth <howarth at nitro dot med.uc.edu> 2010-12-03 16:27:52 UTC --- I understand the issue now. Stock r167430 is fine but the addition of the approved patch to fix the md files and default i386 darwin to -mtune=core2 causes the failure in... FAIL: gcc.target/i386/sse2-init-v2di-2.c scan-assembler movq Apparently the darwin core2 patch will also need to correct the sse2-init-v2di-2.c testcase with... Index: gcc.target/i386/sse2-init-v2di-2.c =================================================================== --- gcc.target/i386/sse2-init-v2di-2.c (revision 167430) +++ gcc.target/i386/sse2-init-v2di-2.c (working copy) @@ -10,4 +10,4 @@ return _mm_cvtsi64_si128 (b); } -/* { dg-final { scan-assembler "movq" } } */ +/* { dg-final { scan-assembler "movd" } } */