Viewing file: pr104188.c (1.86 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
/* { dg-do run { target avx512f } } */ /* { dg-require-effective-target sse2_runtime } */ /* { dg-options "-O2 -msse2 -mfpmath=sse" } */
#include <x86intrin.h>
union U { float m[4][4]; __m128 r[4]; __m512 s; };
__attribute__((noipa, target("avx512f"))) void foo (union U *x, union U *a, union U *b) { __m512 c = _mm512_loadu_ps (&a->s); __m512 d = _mm512_broadcast_f32x4 (b->r[0]); __m512 e = _mm512_broadcast_f32x4 (b->r[1]); __m512 f = _mm512_broadcast_f32x4 (b->r[2]); __m512 g = _mm512_broadcast_f32x4 (b->r[3]); __m512 h = _mm512_mul_ps (_mm512_permute_ps (c, 0x00), d); h = _mm512_fmadd_ps (_mm512_permute_ps (c, 0x55), e, h); h = _mm512_fmadd_ps (_mm512_permute_ps (c, 0xaa), f, h); h = _mm512_fmadd_ps (_mm512_permute_ps (c, 0xff), g, h); _mm512_storeu_ps (&x->s, h); }
__attribute__((noipa, target("avx512f"))) void do_test (void) { union U a = { .m = { { 1.0f, 2.0f, 3.0f, 4.0f }, { 5.0f, 6.0f, 7.0f, 8.0f }, { 9.0f, 10.0f, 11.0f, 12.0f }, { 13.0f, 14.0f, 15.0f, 16.0f } } }; union U b = { .m = { { 17.0f, 18.0f, 19.0f, 20.0f }, { 21.0f, 22.0f, 23.0f, 24.0f }, { 25.0f, 26.0f, 27.0f, 28.0f }, { 29.0f, 30.0f, 31.0f, 32.0f } } }; union U c; foo (&c, &a, &b); if (c.m[0][0] != 250.0f || c.m[0][1] != 260.0f || c.m[0][2] != 270.0f || c.m[0][3] != 280.0f) __builtin_abort (); if (c.m[1][0] != 618.0f || c.m[1][1] != 644.0f || c.m[1][2] != 670.0f || c.m[1][3] != 696.0f) __builtin_abort (); if (c.m[2][0] != 986.0f || c.m[2][1] != 1028.0f || c.m[2][2] != 1070.0f || c.m[2][3] != 1112.0f) __builtin_abort (); if (c.m[3][0] != 1354.0f || c.m[3][1] != 1412.0f || c.m[3][2] != 1470.0f || c.m[3][3] != 1528.0f) __builtin_abort (); }
int main () { if (__builtin_cpu_supports ("avx512f")) do_test (); return 0; }
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