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