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
align1(int4 a,int4 b)8 int4 align1(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 15); }
9 // CHECK: ret
10 // CHECK: ret
11 // CHECK-NOT: palignr
align2(int4 a,int4 b)12 int4 align2(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 16); }
13 // CHECK: psrldq $1, %xmm0
align3(int4 a,int4 b)14 int4 align3(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 17); }
15 // CHECK: xor
align4(int4 a,int4 b)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
align5(int2 a,int2 b)22 int2 align5(int2 a, int2 b) { return _mm_alignr_pi8(a, b, 8); }
23
24 // CHECK: palignr
align6(int2 a,int2 b)25 int2 align6(int2 a, int2 b) { return _mm_alignr_pi8(a, b, 9); }
26
27 // CHECK: palignr
align7(int2 a,int2 b)28 int2 align7(int2 a, int2 b) { return _mm_alignr_pi8(a, b, 16); }
29
30 // CHECK: palignr
align8(int2 a,int2 b)31 int2 align8(int2 a, int2 b) { return _mm_alignr_pi8(a, b, 7); }
32