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 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 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
