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

   1 /* { dg-do compile { target { powerpc64*-*-* && lp64 } } } */
   2 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power9" } } */
   3 /* { dg-require-effective-target powerpc_p9vector_ok } */
   4 /* { dg-options "-mcpu=power9 -O2" } */
   5
   6 /* Verify P9 changes to allow DImode into Altivec registers, and generate
   7    constants using XXSPLTIB.  */
   8
   9 #ifndef _ARCH_PPC64
  10 #error "This code is 64-bit."
  11 #endif
  12
  13 double
  14 p9_zero (void)
  15 {
  16   long l = 0;
  17   double ret;
  18
  19   __asm__ ("xxlor %x0,%x1,%x1" : "=&d" (ret) : "wi" (l));
  20
  21   return ret;
  22 }
  23
  24 double
  25 p9_plus_1 (void)
  26 {
  27   long l = 1;
  28   double ret;
  29
  30   __asm__ ("xxlor %x0,%x1,%x1" : "=&d" (ret) : "wi" (l));
  31
  32   return ret;
  33 }
  34
  35 double
  36 p9_minus_1 (void)
  37 {
  38   long l = -1;
  39   double ret;
  40
  41   __asm__ ("xxlor %x0,%x1,%x1" : "=&d" (ret) : "wi" (l));
  42
  43   return ret;
  44 }
  45
  46 /* { dg-final { scan-assembler     {\mxxspltib\M} } } */
  47 /* { dg-final { scan-assembler-not {\mmtvsrd\M}   } } */
  48 /* { dg-final { scan-assembler-not {\mlfd\M}      } } */
  49 /* { dg-final { scan-assembler-not {\mld\M}       } } */
  50 /* { dg-final { scan-assembler-not {\mlxsd\M}     } } */