gcc/testsuite/gcc.target/powerpc/pr48258-2.c

   1 /* { dg-do compile } */
   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 -mabi=altivec -ffast-math" } */
   6 /* { dg-final { scan-assembler "xvadddp" } } */
   7 /* { dg-final { scan-assembler "xvmindp" } } */
   8 /* { dg-final { scan-assembler "xvmaxdp" } } */
   9
  10 #include <stddef.h>
  11
  12 #ifndef SIZE
  13 #define SIZE 1024
  14 #endif
  15
  16 double values[SIZE] __attribute__((__aligned__(32)));
  17
  18 double
  19 vector_sum (void)
  20 {
  21   size_t i;
  22   double sum = 0.0;
  23
  24   for (i = 0; i < SIZE; i++)
  25     sum += values[i];
  26
  27   return sum;
  28 }
  29
  30 double
  31 vector_min (void)
  32 {
  33   size_t i;
  34   double min = values[0];
  35
  36   for (i = 0; i < SIZE; i++)
  37     min = __builtin_fmin (min, values[i]);
  38
  39   return min;
  40 }
  41
  42 double
  43 vector_max (void)
  44 {
  45   size_t i;
  46   double max = values[0];
  47
  48   for (i = 0; i < SIZE; i++)
  49     max = __builtin_fmax (max, values[i]);
  50
  51   return max;
  52 }