gcc/testsuite/gcc.target/i386/sse-copysignf-vec.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -ftree-vectorize -msse" } */
   3 /* { dg-require-effective-target sse } */
   4
   5 #ifndef CHECK_H
   6 #define CHECK_H "sse-check.h"
   7 #endif
   8
   9 #ifndef TEST
  10 #define TEST sse_test
  11 #endif
  12
  13 #include CHECK_H
  14
  15 extern float copysignf (float, float);
  16
  17 #define N 16
  18
  19 float 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};
  20 float 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};
  21 float r[N];
  22
  23 static void
  24 TEST (void)
  25 {
  26   int i;
  27
  28   for (i = 0; i < N; i++)
  29     r[i] = copysignf (a[i], b[i]);
  30
  31   /* check results:  */
  32   for (i = 0; i < N; i++)
  33     if (r[i] != copysignf (a[i], b[i]))
  34       abort ();
  35 }
  36