Viewing file:  xop-hsubX.c (2.02 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* { dg-do run } */
/* { dg-require-effective-target xop } */
/* { dg-options "-O2 -mxop" } */
#include "xop-check.h"
#include <x86intrin.h>
#include <string.h>
#define NUM 10
union
{
__m128i x[NUM];
signed char ssi[NUM * 16];
short si[NUM * 8];
int li[NUM * 4];
long long lli[NUM * 2];
} dst, res, src1;
static void
init_sbyte ()
{
int i;
for (i=0; i < NUM * 16; i++)
src1.ssi[i] = i;
}
static void
init_sword ()
{
int i;
for (i=0; i < NUM * 8; i++)
src1.si[i] = i;
}
static void
init_sdword ()
{
int i;
for (i=0; i < NUM * 4; i++)
src1.li[i] = i;
}
static int
check_sbyte2word ()
{
int i, j, s, t, check_fails = 0;
for (i = 0; i < NUM * 16; i = i + 16)
{
for (j = 0; j < 8; j++)
{
t = i + (2 * j);
s = (i / 2) + j;
res.si[s] = src1.ssi[t] - src1.ssi[t + 1] ;
if (res.si[s] != dst.si[s])
check_fails++;
}
}
return check_fails;
}
static int
check_sword2dword ()
{
int i, j, s, t, check_fails = 0;
for (i = 0; i < NUM * 8; i = i + 8)
{
for (j = 0; j < 4; j++)
{
t = i + (2 * j);
s = (i / 2) + j;
res.li[s] = src1.si[t] - src1.si[t + 1] ;
if (res.li[s] != dst.li[s])
check_fails++;
}
}
return check_fails;
}
static int
check_dword2qword ()
{
int i, j, s, t, check_fails = 0;
for (i = 0; i < NUM * 4; i = i + 4)
{
for (j = 0; j < 2; j++)
{
t = i + (2 * j);
s = (i / 2) + j;
res.lli[s] = src1.li[t] - src1.li[t + 1] ;
if (res.lli[s] != dst.lli[s])
check_fails++;
}
}
return check_fails;
}
static void
xop_test (void)
{
int i;
/* Check hsubbw */
init_sbyte ();
for (i = 0; i < NUM; i++)
dst.x[i] = _mm_hsubw_epi8 (src1.x[i]);
if (check_sbyte2word())
abort ();
/* Check hsubwd */
init_sword ();
for (i = 0; i < NUM; i++)
dst.x[i] = _mm_hsubd_epi16 (src1.x[i]);
if (check_sword2dword())
abort ();
/* Check hsubdq */
init_sdword ();
for (i = 0; i < NUM; i++)
dst.x[i] = _mm_hsubq_epi32 (src1.x[i]);
if (check_dword2qword())
abort ();
}
|
