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author | Bill Wendling <isanbard@gmail.com> | 2007-03-28 19:07:34 +0000 |
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committer | Bill Wendling <isanbard@gmail.com> | 2007-03-28 19:07:34 +0000 |
commit | 4ad38abd40c990efe1e8198653ad24e34b39f5ab (patch) | |
tree | 0a3c07aaec58ff03bf1320d06c3e9edaae68df4f | |
parent | 0ad22563b8f862cf740a17ee93ca716373a245b6 (diff) | |
download | bcm5719-llvm-4ad38abd40c990efe1e8198653ad24e34b39f5ab.tar.gz bcm5719-llvm-4ad38abd40c990efe1e8198653ad24e34b39f5ab.zip |
Made this into a bug report: PR1286
llvm-svn: 35439
-rw-r--r-- | llvm/lib/Target/X86/README-SSE.txt | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/llvm/lib/Target/X86/README-SSE.txt b/llvm/lib/Target/X86/README-SSE.txt index 96e6aab2438..08dcc278a1b 100644 --- a/llvm/lib/Target/X86/README-SSE.txt +++ b/llvm/lib/Target/X86/README-SSE.txt @@ -572,43 +572,3 @@ swizzle: ret //===---------------------------------------------------------------------===// - -We should compile this: - -#include <xmmintrin.h> - -void foo(__m128i *A, __m128i *B) { - *A = _mm_sll_epi16 (*A, *B); -} - -to: - -_foo: - subl $12, %esp - movl 16(%esp), %edx - movl 20(%esp), %eax - movdqa (%edx), %xmm1 - movdqa (%eax), %xmm0 - psllw %xmm0, %xmm1 - movdqa %xmm1, (%edx) - addl $12, %esp - ret - -not: - -_foo: - movl 8(%esp), %eax - movdqa (%eax), %xmm0 - #IMPLICIT_DEF %eax - pinsrw $2, %eax, %xmm0 - xorl %ecx, %ecx - pinsrw $3, %ecx, %xmm0 - pinsrw $4, %eax, %xmm0 - pinsrw $5, %ecx, %xmm0 - pinsrw $6, %eax, %xmm0 - pinsrw $7, %ecx, %xmm0 - movl 4(%esp), %eax - movdqa (%eax), %xmm1 - psllw %xmm0, %xmm1 - movdqa %xmm1, (%eax) - ret |