gcc/testsuite/gcc.target/powerpc/ppc-target-4.c

   1 /* { dg-do compile { target { powerpc*-*-* } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } { "*" } { "" } } */
   3 /* { dg-require-effective-target powerpc_vsx_ok } */
   4 /* { dg-options "-O2 -ffast-math -mcpu=power5 -mno-altivec -mabi=altivec -fno-unroll-loops" } */
   5 /* { dg-final { scan-assembler-times "vaddfp" 1 } } */
   6 /* { dg-final { scan-assembler-times "xvaddsp" 1 } } */
   7 /* { dg-final { scan-assembler-times "fadds" 1 } } */
   8
   9 #ifndef SIZE
  10 #define SIZE 1024
  11 #endif
  12
  13 #ifdef __ALTIVEC__
  14 #error "__ALTIVEC__ should not be defined."
  15 #endif
  16
  17 #ifdef __VSX__
  18 #error "__VSX__ should not be defined."
  19 #endif
  20
  21 #pragma GCC target("vsx")
  22 #include <altivec.h>
  23 #pragma GCC reset_options
  24
  25 #pragma GCC push_options
  26 #pragma GCC target("altivec,no-vsx")
  27
  28 #ifndef __ALTIVEC__
  29 #error "__ALTIVEC__ should be defined."
  30 #endif
  31
  32 #ifdef __VSX__
  33 #error "__VSX__ should not be defined."
  34 #endif
  35
  36 void
  37 av_add (vector float *a, vector float *b, vector float *c)
  38 {
  39   unsigned long i;
  40   unsigned long n = SIZE / 4;
  41
  42   for (i = 0; i < n; i++)
  43     a[i] = vec_add (b[i], c[i]);
  44 }
  45
  46 #pragma GCC target("vsx")
  47
  48 #ifndef __ALTIVEC__
  49 #error "__ALTIVEC__ should be defined."
  50 #endif
  51
  52 #ifndef __VSX__
  53 #error "__VSX__ should be defined."
  54 #endif
  55
  56 void
  57 vsx_add (vector float *a, vector float *b, vector float *c)
  58 {
  59   unsigned long i;
  60   unsigned long n = SIZE / 4;
  61
  62   for (i = 0; i < n; i++)
  63     a[i] = vec_add (b[i], c[i]);
  64 }
  65
  66 #pragma GCC pop_options
  67 #pragma GCC target("no-vsx,no-altivec")
  68
  69 #ifdef __ALTIVEC__
  70 #error "__ALTIVEC__ should not be defined."
  71 #endif
  72
  73 #ifdef __VSX__
  74 #error "__VSX__ should not be defined."
  75 #endif
  76
  77 void
  78 norm_add (float *a, float *b, float *c)
  79 {
  80   unsigned long i;
  81
  82   for (i = 0; i < SIZE; i++)
  83     a[i] = b[i] + c[i];
  84 }