gcc/testsuite/gcc.target/powerpc/pr48258-1.c

   1 /* { dg-do compile } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } } */
   3 /* { dg-skip-if "" { powerpc*le-*-* } } */
   4 /* { dg-require-effective-target powerpc_vsx_ok } */
   5 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power7" } } */
   6 /* { dg-options "-O3 -mcpu=power7 -mabi=altivec -ffast-math -fno-unroll-loops" } */
   7 /* { dg-final { scan-assembler-times "xvaddsp" 3 } } */
   8 /* { dg-final { scan-assembler-times "xvminsp" 3 } } */
   9 /* { dg-final { scan-assembler-times "xvmaxsp" 3 } } */
  10 /* { dg-final { scan-assembler-times "xxsldwi" 6 } } */
  11 /* { dg-final { scan-assembler-times "xscvspdp" 3 } } */
  12 /* { dg-final { scan-assembler-not "stvewx" } } */
  13 /* { dg-final { scan-assembler-not "stvx" } } */
  14 /* { dg-final { scan-assembler-not "stxvd2x" } } */
  15 /* { dg-final { scan-assembler-not "stxvw4x" } } */
  16
  17 #include <stddef.h>
  18
  19 #ifndef SIZE
  20 #define SIZE 1024
  21 #endif
  22
  23 float values[SIZE] __attribute__((__aligned__(32)));
  24
  25 float
  26 vector_sum (void)
  27 {
  28   size_t i;
  29   float sum = 0.0f;
  30
  31   for (i = 0; i < SIZE; i++)
  32     sum += values[i];
  33
  34   return sum;
  35 }
  36
  37 float
  38 vector_min (void)
  39 {
  40   size_t i;
  41   float min = values[0];
  42
  43   for (i = 0; i < SIZE; i++)
  44     min = __builtin_fminf (min, values[i]);
  45
  46   return min;
  47 }
  48
  49 float
  50 vector_max (void)
  51 {
  52   size_t i;
  53   float max = values[0];
  54
  55   for (i = 0; i < SIZE; i++)
  56     max = __builtin_fmaxf (max, values[i]);
  57
  58   return max;
  59 }