gcc/testsuite/gcc.target/i386/pr85692.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -msse4.1" } */
   3 /* { dg-final { scan-assembler "unpcklps" } } */
   4 /* { dg-final { scan-assembler "blendps" } } */
   5 /* { dg-final { scan-assembler-not "shufps" } } */
   6 /* { dg-final { scan-assembler-not "unpckhps" } } */
   7
   8 typedef float v4sf __attribute__ ((vector_size (16)));
   9
  10 v4sf unpcklps(v4sf a, v4sf b)
  11 {
  12     return (v4sf){a[0],b[0],a[1],b[1]};
  13 }
  14
  15 v4sf blendps(v4sf a, v4sf b)
  16 {
  17     return (v4sf){a[0],b[1],a[2],b[3]};
  18 }