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

   1 /* { dg-do run } */
   2 /* { dg-options "-O3 -mpower8-vector -Wno-psabi" } */
   3 /* { dg-require-effective-target lp64 } */
   4 /* { dg-require-effective-target p8vector_hw } */
   5
   6 #define NO_WARN_X86_INTRINSICS 1
   7
   8 #ifndef CHECK_H
   9 #define CHECK_H "sse-check.h"
  10 #endif
  11
  12 #include CHECK_H
  13
  14 #ifndef TEST
  15 #define TEST sse_test_rsqrtps_1
  16 #endif
  17
  18 #include <xmmintrin.h>
  19
  20 static __m128
  21 __attribute__((noinline, unused))
  22 test (__m128 s1)
  23 {
  24   return _mm_rsqrt_ps (s1);
  25 }
  26
  27 static void
  28 TEST (void)
  29 {
  30   union128 u, s1;
  31   float e[4];
  32   int i;
  33
  34   s1.x = _mm_set_ps (24.43, 68.346, 43.35, 546.46);
  35   u.x = test (s1.x);
  36
  37   for (i = 0; i < 4; i++)
  38     {
  39       __m128 tmp = _mm_load_ss (&s1.a[i]);
  40       tmp = _mm_rsqrt_ss (tmp);
  41       _mm_store_ss (&e[i], tmp);
  42     }
  43
  44   if (check_union128 (u, e))
  45     abort ();
  46 }