gcc/testsuite/gcc.target/powerpc/ssse3-pabsw.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O3 -mpower8-vector -Wno-psabi" } */
   3 /* { dg-require-effective-target p8vector_hw } */
   4
   5 #ifndef CHECK_H
   6 #define CHECK_H "ssse3-check.h"
   7 #endif
   8
   9 #ifndef TEST
  10 #define TEST ssse3_test
  11 #endif
  12
  13 #include CHECK_H
  14
  15 #include "ssse3-vals.h"
  16
  17 #include <tmmintrin.h>
  18
  19 #ifndef __AVX__
  20 /* Test the 64-bit form */
  21 static void
  22 ssse3_test_pabsw (__m64 *i1, __m64 *r)
  23 {
  24   *r = _mm_abs_pi16 (*i1);
  25   _mm_empty ();
  26 }
  27 #endif
  28
  29 /* Test the 128-bit form */
  30 static void
  31 ssse3_test_pabsw128 (__m128i *i1, __m128i *r)
  32 {
  33   /* Assumes incoming pointers are 16-byte aligned */
  34   *r = _mm_abs_epi16 (*i1);
  35 }
  36
  37 /* Routine to manually compute the results */
  38 static void
  39 compute_correct_result (short *i1, short *r)
  40 {
  41   int i;
  42
  43   for (i = 0; i < 8; i++)
  44     if (i1[i] < 0)
  45       r[i] = -i1[i];
  46     else
  47       r[i] = i1[i];
  48 }
  49
  50 static void
  51 TEST (void)
  52 {
  53   int i;
  54   union data r __attribute__ ((aligned(16)));
  55   union data ck;
  56   int fail = 0;
  57
  58   for (i = 0; i < ARRAY_SIZE (vals); i++)
  59     {
  60       /* Manually compute the result */
  61       compute_correct_result (&vals[i].h[0], &ck.h[0]);
  62
  63 #ifndef __AVX__
  64       /* Run the 64-bit tests */
  65       ssse3_test_pabsw (&vals[i].ll[0], &r.ll[0]);
  66       ssse3_test_pabsw (&vals[i].ll[1], &r.ll[1]);
  67       fail += chk_128 (ck.m[0], r.m[0]);
  68 #endif
  69
  70       /* Run the 128-bit tests */
  71       ssse3_test_pabsw128 (&vals[i].m[0], &r.m[0]);
  72       fail += chk_128 (ck.m[0], r.m[0]);
  73     }
  74
  75   if (fail != 0)
  76     abort ();
  77 }