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llvm-svn: 27555
This commit is contained in:
Evan Cheng 2006-04-10 07:22:03 +00:00
parent 4f357911ad
commit 5326565791
1 changed files with 19 additions and 0 deletions
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19
lib/Target/X86/README.txt
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@ -765,3 +765,22 @@ _test:
A Mac OS X IA-32 specific ABI bug wrt returning value > 8 bytes:
http://llvm.org/bugs/show_bug.cgi?id=729
//===---------------------------------------------------------------------===//
#include <emmintrin.h>
void test(__m128 *res, __m128 *A) {
*res = _mm_shuffle_ps(*A, *A, 0xF0);
}
We should emit
shufps $240, (%eax), %xmm0
instead of
pshufd $240, (%eax), %xmm0
//===---------------------------------------------------------------------===//
X86RegisterInfo::copyRegToReg() returns X86::MOVAPSrr for VR128. Is it possible
to choose between movaps, movapd, and movdqa based on types of source and
destination?