gcc/testsuite/gcc.target/i386/pr56766-2.c

   1 /* PR target/56766 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -ftree-vectorize -fno-vect-cost-model -mavx" } */
   4
   5 void test_v4sf (float * __restrict__ p, float * __restrict q)
   6 {
   7   p[0] = p[0] - q[0];
   8   p[1] = p[1] + q[1];
   9   p[2] = p[2] - q[2];
  10   p[3] = p[3] + q[3];
  11 }
  12
  13 void test_v8sf (float * __restrict__ p, float * __restrict q)
  14 {
  15   p[0] = p[0] - q[0];
  16   p[1] = p[1] + q[1];
  17   p[2] = p[2] - q[2];
  18   p[3] = p[3] + q[3];
  19   p[4] = p[4] - q[4];
  20   p[5] = p[5] + q[5];
  21   p[6] = p[6] - q[6];
  22   p[7] = p[7] + q[7];
  23 }
  24
  25 void test_v2df (double * __restrict__ p, double * __restrict q)
  26 {
  27   p[0] = p[0] - q[0];
  28   p[1] = p[1] + q[1];
  29 }
  30
  31 void test_v4df (double * __restrict__ p, double * __restrict q)
  32 {
  33   p[0] = p[0] - q[0];
  34   p[1] = p[1] + q[1];
  35   p[2] = p[2] - q[2];
  36   p[3] = p[3] + q[3];
  37 }
  38
  39 /* { dg-final { scan-assembler-times "vaddsubps" 2 } } */
  40 /* { dg-final { scan-assembler-times "vaddsubpd" 2 } } */