Viewing file:  avx512fp16-xorsign-1.c (1.06 KB) -rw-r--r--
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/* { dg-do run { target avx512fp16 } } */
/* { dg-options "-O2 -mavx512fp16 -mavx512vl -ftree-vectorize -fdump-tree-vect-details -save-temps" } */
extern void abort ();
static void do_test (void);
#define DO_TEST do_test
#define AVX512FP16
#include "avx512-check.h"
#define N 16
_Float16 a[N] = {-0.1f, -3.2f, -6.3f, -9.4f,
-12.5f, -15.6f, -18.7f, -21.8f,
24.9f, 27.1f, 30.2f, 33.3f,
36.4f, 39.5f, 42.6f, 45.7f};
_Float16 b[N] = {-1.2f, 3.4f, -5.6f, 7.8f,
-9.0f, 1.0f, -2.0f, 3.0f,
-4.0f, -5.0f, 6.0f, 7.0f,
-8.0f, -9.0f, 10.0f, 11.0f};
_Float16 r[N];
static void
__attribute__ ((noinline, noclone))
do_test (void)
{
int i;
for (i = 0; i < N; i++)
r[i] = a[i] * __builtin_copysignf16 (1.0f, b[i]);
/* check results: */
for (i = 0; i < N; i++)
if (r[i] != a[i] * __builtin_copysignf16 (1.0f, b[i]))
abort ();
}
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
/* { dg-final { scan-assembler "\[ \t\]xor" } } */
/* { dg-final { scan-assembler "\[ \t\]and" } } */
/* { dg-final { scan-assembler-not "copysign" } } */
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