Viewing file:  mmx-packssdw-1.c (1.59 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-options "-O3 -mpower8-vector" } */
/* { dg-require-effective-target p8vector_hw } */
#define NO_WARN_X86_INTRINSICS 1
#ifndef CHECK_H
#define CHECK_H "mmx-check.h"
#endif
#ifndef TEST
#define TEST mmx_test
#endif
#include CHECK_H
#include <mmintrin.h>
static __m64
__attribute__((noinline, unused))
test (__m64 s1, __m64 s2)
{
return _mm_packs_pi32 (s1, s2);
}
static short
saturate (int val)
{
if (val > 32767)
return 32767;
else if (val < -32768)
return -32768;
else
return val;
}
static inline int
l_mm_extract_pi32 (__m64 b, int imm8)
{
unsigned int shift = imm8 & 0x1;
#ifdef __BIG_ENDIAN__
shift = 1 - shift;
#endif
return ((long long)b >> (shift * 32)) & 0xffffffff;
}
static void
TEST (void)
{
__m64_union s1, s2;
__m64_union u;
__m64_union e;
int start, end, inc;
s1.as_m64 = _mm_set_pi32 (2134, -128);
s2.as_m64 = _mm_set_pi32 (41124, 234);
u.as_m64 = test (s1.as_m64, s2.as_m64);
#ifdef __LITTLE_ENDIAN__
e.as_m64 = _mm_set_pi16 (saturate (l_mm_extract_pi32 (s2.as_m64, 1)),
saturate (l_mm_extract_pi32 (s2.as_m64, 0)),
saturate (l_mm_extract_pi32 (s1.as_m64, 1)),
saturate (l_mm_extract_pi32 (s1.as_m64, 0)));
#else
e.as_m64 = _mm_set_pi16 (saturate (l_mm_extract_pi32 (s1.as_m64, 1)),
saturate (l_mm_extract_pi32 (s1.as_m64, 0)),
saturate (l_mm_extract_pi32 (s2.as_m64, 1)),
saturate (l_mm_extract_pi32 (s2.as_m64, 0)));
#endif
if (u.as_m64 != e.as_m64)
abort ();
}
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