Viewing file:  ssse3-pshufb.c (2.1 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-options "-O3 -mpower8-vector -Wno-psabi" } */
/* { dg-require-effective-target p8vector_hw } */
#ifndef CHECK_H
#define CHECK_H "ssse3-check.h"
#endif
#ifndef TEST
#define TEST ssse3_test
#endif
#include CHECK_H
#include "ssse3-vals.h"
#include <tmmintrin.h>
#ifndef __AVX__
/* Test the 64-bit form */
static void
ssse3_test_pshufb (__m64 *i1, __m64 *i2, __m64 *r)
{
*r = _mm_shuffle_pi8 (*i1, *i2);
_mm_empty ();
}
#endif
/* Test the 128-bit form */
static void
ssse3_test_pshufb128 (__m128i *i1, __m128i *i2, __m128i *r)
{
/* Assumes incoming pointers are 16-byte aligned */
*r = _mm_shuffle_epi8 (*i1, *i2);
}
#ifndef __AVX__
/* Routine to manually compute the results */
static void
compute_correct_result_64 (signed char *i1, signed char *i2, signed char *r)
{
int i;
char select;
for (i = 0; i < 16; i++)
{
select = i2[i];
if (select & 0x80)
r[i] = 0;
else if (i < 8)
r[i] = i1[select & 0x7];
else
r[i] = i1[8 + (select & 0x7)];
}
}
#endif
static void
compute_correct_result_128 (signed char *i1, signed char *i2, signed char *r)
{
int i;
char select;
for (i = 0; i < 16; i++)
{
select = i2[i];
if (select & 0x80)
r[i] = 0;
else
r[i] = i1[select & 0xf];
}
}
static void
TEST (void)
{
int i;
union data r __attribute__ ((aligned(16)));
union data ck;
int fail = 0;
for (i = 0; i < ARRAY_SIZE (vals) - 1; i++)
{
#ifndef __AVX__
/* Manually compute the result */
compute_correct_result_64 (&vals[i + 0].b[0], &vals[i + 1].b[0], &ck.b[0]);
/* Run the 64-bit tests */
ssse3_test_pshufb (&vals[i + 0].ll[0], &vals[i + 1].ll[0], &r.ll[0]);
ssse3_test_pshufb (&vals[i + 0].ll[1], &vals[i + 1].ll[1], &r.ll[1]);
fail += chk_128 (ck.m[0], r.m[0]);
#endif
/* Recompute the result for 128-bits */
compute_correct_result_128 (&vals[i + 0].b[0], &vals[i + 1].b[0], &ck.b[0]);
/* Run the 128-bit tests */
ssse3_test_pshufb128 (&vals[i + 0].m[0], &vals[i + 1].m[0], &r.m[0]);
fail += chk_128 (ck.m[0], r.m[0]);
}
if (fail != 0)
abort ();
}
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