gcc/testsuite/gcc.target/powerpc/pr57150.c

   1 /* { dg-do compile { target { powerpc*-*-* } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } } */
   3 /* { dg-require-effective-target powerpc_vsx_ok } */
   4 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power7" } } */
   5 /* { dg-options "-O3 -mcpu=power7 -fcaller-saves" } */
   6 /* { dg-final { scan-assembler-not "lxvd2x" } } */
   7 /* { dg-final { scan-assembler-not "lxvw4x" } } */
   8 /* { dg-final { scan-assembler-not "lvx" } } */
   9 /* { dg-final { scan-assembler-not "stxvd2x" } } */
  10 /* { dg-final { scan-assembler-not "stxvw4x" } } */
  11 /* { dg-final { scan-assembler-not "stvx" } } */
  12
  13 /* Insure caller save on long double does not use VSX instructions.  */
  14
  15 #if defined(__LONG_DOUBLE_IEEE128__)
  16 /* If long double is IEEE 128-bit, we need to use the __ibm128 type instead of
  17    long double.  We can't use __ibm128 on systems that don't support IEEE
  18    128-bit floating point, because the type is not enabled on those
  19    systems.  */
  20 #define LDOUBLE __ibm128
  21
  22 #elif defined(__LONG_DOUBLE_IBM128__)
  23 #define LDOUBLE long double
  24
  25 #else
  26 #error "long double must be either IBM 128-bit or IEEE 128-bit"
  27 #endif
  28
  29 extern LDOUBLE modify (LDOUBLE);
  30
  31 void
  32 sum (LDOUBLE *ptr, LDOUBLE value, unsigned long n)
  33 {
  34   unsigned long i;
  35
  36   for (i = 0; i < n; i++)
  37     ptr[i] += modify (value);
  38 }