File: palignr.c

package info (click to toggle)
llvm-toolchain-3.4 1%3A3.4.2-13
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 253,236 kB
  • ctags: 276,203
  • sloc: cpp: 1,665,580; ansic: 298,647; asm: 206,157; objc: 84,350; python: 73,119; sh: 23,466; perl: 5,679; makefile: 5,542; ml: 5,250; pascal: 2,467; lisp: 1,420; xml: 679; cs: 236; csh: 117
file content (31 lines) | stat: -rw-r--r-- 1,081 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
// REQUIRES: x86-registered-target
// RUN: %clang_cc1 %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: xor
int4 align4(int4 a, int4 b) { return _mm_alignr_epi8(a, b, 32); }

#define _mm_alignr_pi8(a, b, n) (__builtin_ia32_palignr((a), (b), (n)))
typedef __attribute__((vector_size(8))) int int2;

// CHECK: palignr
int2 align5(int2 a, int2 b) { return _mm_alignr_pi8(a, b, 8); }

// CHECK: palignr
int2 align6(int2 a, int2 b) { return _mm_alignr_pi8(a, b, 9); }

// CHECK: palignr
int2 align7(int2 a, int2 b) { return _mm_alignr_pi8(a, b, 16); }

// CHECK: palignr
int2 align8(int2 a, int2 b) { return _mm_alignr_pi8(a, b, 7); }