gcc/testsuite/gcc.target/i386/fma4-vector-2.c

   1 /* { dg-do compile { target { ! ia32 } } } */
   2 /* { dg-options "-O2 -mfma4 -ftree-vectorize -mtune=generic -mno-fma" } */
   3
   4 float r[256], s[256];
   5 float x[256];
   6 float y[256];
   7 float z[256];
   8
   9 void foo (void)
  10 {
  11   int i;
  12   for (i = 0; i < 256; ++i)
  13     {
  14       r[i] = x[i] * y[i] - z[i];
  15       s[i] = x[i] * y[i] + z[i];
  16     }
  17 }
  18
  19 /* { dg-final { scan-assembler "vfmaddps" } } */
  20 /* { dg-final { scan-assembler "vfmsubps" } } */