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Rev 318 |
Rev 338 |
/* { dg-do compile } */
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/* { dg-do compile } */
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/* { dg-options "-O -msse" } */
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/* { dg-options "-O -msse" } */
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/* { dg-require-effective-target sse } */
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/* { dg-require-effective-target sse } */
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#include <xmmintrin.h>
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#include <xmmintrin.h>
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typedef unsigned short v4hi __attribute__ ((vector_size (8)));
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typedef unsigned short v4hi __attribute__ ((vector_size (8)));
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int f(unsigned short n)
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int f(unsigned short n)
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{
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{
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__m64 vec = (__m64)(v4hi){ 0, 0, 1, n };
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__m64 vec = (__m64)(v4hi){ 0, 0, 1, n };
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__m64 hw = _mm_mulhi_pi16 (vec, vec);
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__m64 hw = _mm_mulhi_pi16 (vec, vec);
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return _mm_extract_pi16 (hw, 0);
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return _mm_extract_pi16 (hw, 0);
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}
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}
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