1 | // REQUIRES: x86-registered-target |
2 | // RUN: %clang_cc1 %s -triple=i686-apple-darwin -target-feature +ssse3 -O1 -S -o - | FileCheck %s |
3 | |
4 | #define _mm_alignr_epi8(a, b, n) (__builtin_ia32_palignr128((a), (b), (n))) |
5 | typedef __attribute__((vector_size(16))) int int4; |
6 | |
7 | // CHECK: palignr $15, %xmm1, %xmm0 |
8 | int4 align1(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 15); } |
9 | // CHECK: ret |
10 | // CHECK: ret |
11 | // CHECK-NOT: palignr |
12 | int4 align2(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 16); } |
13 | // CHECK: psrldq $1, %xmm0 |
14 | int4 align3(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 17); } |
15 | // CHECK: xor |
16 | int4 align4(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 32); } |
17 | |
18 | #define _mm_alignr_pi8(a, b, n) (__builtin_ia32_palignr((a), (b), (n))) |
19 | typedef __attribute__((vector_size(8))) int int2; |
20 | |
21 | // CHECK: palignr |
22 | int2 align5(int2 a, int2 b) { return _mm_alignr_pi8(a, b, 8); } |
23 | |
24 | // CHECK: palignr |
25 | int2 align6(int2 a, int2 b) { return _mm_alignr_pi8(a, b, 9); } |
26 | |
27 | // CHECK: palignr |
28 | int2 align7(int2 a, int2 b) { return _mm_alignr_pi8(a, b, 16); } |
29 | |
30 | // CHECK: palignr |
31 | int2 align8(int2 a, int2 b) { return _mm_alignr_pi8(a, b, 7); } |
32 | |