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| author | Nate Begeman <natebegeman@mac.com> | 2009-12-14 04:57:03 +0000 |
|---|---|---|
| committer | Nate Begeman <natebegeman@mac.com> | 2009-12-14 04:57:03 +0000 |
| commit | ce5818a19a8f77d1540d0352649d6687eca4af6b (patch) | |
| tree | 83ed72f91711d4cd14d2b2b2fc759f9c24cbf7c6 /test/CodeGen/palignr.c | |
| parent | 1d9c54df56391ac4740db27d551782e81189cb51 (diff) | |
Support x86's PALIGNR instruction without the use of a palignr intrinsic.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91264 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/palignr.c')
| -rw-r--r-- | test/CodeGen/palignr.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/palignr.c b/test/CodeGen/palignr.c new file mode 100644 index 0000000000..c0c7e77384 --- /dev/null +++ b/test/CodeGen/palignr.c @@ -0,0 +1,15 @@ +// RUN: clang-cc %s -triple=i686-apple-darwin -target-feature +ssse3 -O1 -S -o - | FileCheck %s + +#define _mm_alignr_epi8(a, b, n) (__builtin_ia32_palignr128((a), (b), (n))) +typedef __attribute__((vector_size(16))) int int4; + +// CHECK: palignr +int4 align1(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 15); } +// CHECK: ret +// CHECK: ret +// CHECK-NOT: palignr +int4 align2(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 16); } +// CHECK: psrldq +int4 align3(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 17); } +// CHECK: xorps +int4 align4(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 32); } |