• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 // REQUIRES: x86-registered-target
2 // RUN: %clang_cc1 %s -triple=x86_64-linux-gnu -S -o -
3 #define __MM_MALLOC_H
4 
5 #include <x86intrin.h>
6 
7 // No warnings.
8 extern __m256i a;
bar(__m256i a)9 int __attribute__((target("avx"))) bar(__m256i a) {
10   return _mm256_extract_epi32(a, 3);
11 }
12 
baz()13 int baz() {
14   return bar(a);
15 }
16 
qq_avx(__m256i a)17 int __attribute__((target("avx"))) qq_avx(__m256i a) {
18   return _mm256_extract_epi32(a, 3);
19 }
20 
qq_noavx()21 int qq_noavx() {
22   return 0;
23 }
24 
25 extern __m256i a;
qq()26 int qq() {
27   if (__builtin_cpu_supports("avx"))
28     return qq_avx(a);
29   else
30     return qq_noavx();
31 }
32 
33 // Test that fma and fma4 are both separately and combined valid for an fma intrinsic.
fma_1(__m128 a,__m128 b,__m128 c)34 __m128 __attribute__((target("fma"))) fma_1(__m128 a, __m128 b, __m128 c) {
35   return __builtin_ia32_vfmaddps(a, b, c);
36 }
37 
fma_2(__m128 a,__m128 b,__m128 c)38 __m128 __attribute__((target("fma4"))) fma_2(__m128 a, __m128 b, __m128 c) {
39   return __builtin_ia32_vfmaddps(a, b, c);
40 }
41 
fma_3(__m128 a,__m128 b,__m128 c)42 __m128 __attribute__((target("fma,fma4"))) fma_3(__m128 a, __m128 b, __m128 c) {
43   return __builtin_ia32_vfmaddps(a, b, c);
44 }
45 
verifyfeaturestrings()46 void verifyfeaturestrings() {
47   (void)__builtin_cpu_supports("cmov");
48   (void)__builtin_cpu_supports("mmx");
49   (void)__builtin_cpu_supports("popcnt");
50   (void)__builtin_cpu_supports("sse");
51   (void)__builtin_cpu_supports("sse2");
52   (void)__builtin_cpu_supports("sse3");
53   (void)__builtin_cpu_supports("ssse3");
54   (void)__builtin_cpu_supports("sse4.1");
55   (void)__builtin_cpu_supports("sse4.2");
56   (void)__builtin_cpu_supports("avx");
57   (void)__builtin_cpu_supports("avx2");
58   (void)__builtin_cpu_supports("sse4a");
59   (void)__builtin_cpu_supports("fma4");
60   (void)__builtin_cpu_supports("xop");
61   (void)__builtin_cpu_supports("fma");
62   (void)__builtin_cpu_supports("avx512f");
63   (void)__builtin_cpu_supports("bmi");
64   (void)__builtin_cpu_supports("bmi2");
65   (void)__builtin_cpu_supports("aes");
66   (void)__builtin_cpu_supports("pclmul");
67   (void)__builtin_cpu_supports("avx512vl");
68   (void)__builtin_cpu_supports("avx512bw");
69   (void)__builtin_cpu_supports("avx512dq");
70   (void)__builtin_cpu_supports("avx512cd");
71   (void)__builtin_cpu_supports("avx512er");
72   (void)__builtin_cpu_supports("avx512pf");
73   (void)__builtin_cpu_supports("avx512vbmi");
74   (void)__builtin_cpu_supports("avx512ifma");
75 }
76