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

   1 /* { dg-do run } */
   2 /* { dg-options "-O3 -mvsx -Wno-psabi" } */
   3 /* { dg-additional-options "-mdejagnu-cpu=power8" { target { ! has_arch_pwr8 } } } */
   4 /* { dg-require-effective-target p8vector_hw } */
   5
   6 #ifndef CHECK_H
   7 #define CHECK_H "ssse3-check.h"
   8 #endif
   9
  10 #ifndef TEST
  11 #define TEST ssse3_test
  12 #endif
  13
  14 #include CHECK_H
  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_psignw (__m64 *i1, __m64 *i2, __m64 *r)
  23 {
  24   *r = _mm_sign_pi16 (*i1, *i2);
  25   _mm_empty ();
  26 }
  27 #endif
  28
  29 /* Test the 128-bit form */
  30 static void
  31 ssse3_test_psignw128 (__m128i *i1, __m128i *i2, __m128i *r)
  32 {
  33   /* Assumes incoming pointers are 16-byte aligned */
  34  *r = _mm_sign_epi16 (*i1, *i2);
  35 }
  36
  37 /* Routine to manually compute the results */
  38 static void
  39 compute_correct_result (short *i1, short *i2, short *r)
  40 {
  41   int i;
  42
  43   for (i = 0; i < 8; i++)
  44     if (i2[i] < 0)
  45       r[i] = -i1[i];
  46     else if (i2[i] == 0)
  47       r[i] = 0;
  48     else
  49       r[i] = i1[i];
  50 }
  51
  52 static void
  53 TEST (void)
  54 {
  55   int i;
  56   union data r __attribute__ ((aligned(16)));
  57   union data ck;
  58   int fail = 0;
  59
  60   for (i = 0; i < ARRAY_SIZE (vals) - 1; i++)
  61     {
  62       /* Manually compute the result */
  63       compute_correct_result (&vals[i + 0].h[0], &vals[i + 1].h[0], &ck.h[0]);
  64
  65 #ifndef __AVX__
  66       /* Run the 64-bit tests */
  67       ssse3_test_psignw (&vals[i + 0].ll[0], &vals[i + 1].ll[0], &r.ll[0]);
  68       ssse3_test_psignw (&vals[i + 0].ll[1], &vals[i + 1].ll[1], &r.ll[1]);
  69       fail += chk_128 (ck.m[0], r.m[0]);
  70 #endif
  71
  72       /* Run the 128-bit tests */
  73       ssse3_test_psignw128 (&vals[i + 0].m[0], &vals[i + 1].m[0], &r.m[0]);
  74       fail += chk_128 (ck.m[0], r.m[0]);
  75     }
  76
  77   if (fail != 0)
  78     abort ();
  79 }