gcc/testsuite/gcc.target/aarch64/pr70809_1.c

   1 /* PR target/70809.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -ftree-vectorize -ffp-contract=off -mtune=xgene1" } */
   4
   5 /* Check that vector FMLS is not generated when contraction is disabled.  */
   6
   7 void
   8 foo (float *__restrict__ __attribute__ ((aligned (16))) a,
   9      float *__restrict__ __attribute__ ((aligned (16))) x,
  10      float *__restrict__ __attribute__ ((aligned (16))) y,
  11      float *__restrict__ __attribute__ ((aligned (16))) z)
  12 {
  13   unsigned i = 0;
  14   for (i = 0; i < 256; i++)
  15     a[i] = x[i] - (y[i] * z[i]);
  16 }
  17
  18 /* { dg-final { scan-assembler-not "fmls\tv.*" } } */