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