gcc/testsuite/gcc.target/powerpc/sse-shufps-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O3 -mpower8-vector -Wno-psabi" } */
   3 /* { dg-require-effective-target p8vector_hw } */
   4
   5 #define NO_WARN_X86_INTRINSICS 1
   6
   7 #ifndef CHECK_H
   8 #define CHECK_H "sse-check.h"
   9 #endif
  10
  11 #include CHECK_H
  12
  13 #ifndef TEST
  14 #define TEST sse_test_shufps_1
  15 #endif
  16
  17 #define MASK 0xab
  18
  19 #include <xmmintrin.h>
  20
  21 float select4(const float *src, unsigned int control)
  22 {
  23     switch(control) {
  24     case 0:
  25         return src[0];
  26     case 1:
  27         return src[1];
  28     case 2:
  29         return src[2];
  30     case 3:
  31         return src[3];
  32     }
  33     return -1;
  34 }
  35
  36 static __m128
  37 __attribute__((noinline, unused))
  38 test (__m128 s1, __m128 s2)
  39 {
  40   return _mm_shuffle_ps (s1, s2, MASK);
  41 }
  42
  43 static void TEST (void)
  44 {
  45   union128 u, s1, s2;
  46   float e[4] =
  47     { 0.0 };
  48
  49   s1.x = _mm_set_ps (1.1, 1.2, 1.3, 1.4);
  50   s2.x = _mm_set_ps (2.1, 2.2, 2.3, 2.4);
  51   u.x = test (s1.x, s2.x);
  52
  53   e[0] = select4 (s1.a, (MASK >> 0) & 0x3);
  54   e[1] = select4 (s1.a, (MASK >> 2) & 0x3);
  55   e[2] = select4 (s2.a, (MASK >> 4) & 0x3);
  56   e[3] = select4 (s2.a, (MASK >> 6) & 0x3);
  57
  58   if (check_union128 (u, e))
  59   abort ();
  60 }