gcc/testsuite/gcc.target/i386/shuf-concat.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -msse2 -mfpmath=sse" } */
   3
   4 typedef double v2df __attribute__ ((__vector_size__ (16)));
   5
   6 v2df f(double d,double e){
   7   v2df x={-d,d};
   8   v2df y={-e,e};
   9   return __builtin_ia32_shufpd(x,y,1);
  10 }
  11
  12 /* { dg-final { scan-assembler-not "\tv?shufpd\[ \t\]" } } */
  13 /* { dg-final { scan-assembler-times "\tv?unpcklpd\[ \t\]" 1 } } */