gcc/testsuite/gcc.target/powerpc/p9-dimode1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-mdejagnu-cpu=power9 -mvsx -O2" } */
   3 /* { dg-require-effective-target powerpc_vsx } */
   4
   5 /* Verify P9 changes to allow DImode into Altivec registers, and generate
   6    constants using XXSPLTIB.  */
   7
   8 double
   9 p9_zero (void)
  10 {
  11   long l = 0;
  12   double ret;
  13
  14   __asm__ ("xxlor %x0,%x1,%x1" : "=&d" (ret) : "wa" (l));
  15
  16   return ret;
  17 }
  18
  19 double
  20 p9_plus_1 (void)
  21 {
  22   long l = 1;
  23   double ret;
  24
  25   __asm__ ("xxlor %x0,%x1,%x1" : "=&d" (ret) : "wa" (l));
  26
  27   return ret;
  28 }
  29
  30 double
  31 p9_minus_1 (void)
  32 {
  33   long l = -1;
  34   double ret;
  35
  36   __asm__ ("xxlor %x0,%x1,%x1" : "=&d" (ret) : "wa" (l));
  37
  38   return ret;
  39 }
  40
  41 /* { dg-final { scan-assembler     {\mxxspltib\M} } } */
  42 /* { dg-final { scan-assembler-not {\mmtvsr}      } } */
  43 /* { dg-final { scan-assembler-not {\mlfd\M}      } } */
  44 /* { dg-final { scan-assembler-not {\mld\M}       } } */
  45 /* { dg-final { scan-assembler-not {\mlxsd\M}     } } */