86 lines
1.7 KiB
C
86 lines
1.7 KiB
C
/* { dg-do run } */
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/* { dg-require-effective-target ssse3 } */
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/* { dg-options "-O2 -fno-strict-aliasing -mssse3" } */
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#ifndef CHECK_H
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#define CHECK_H "ssse3-check.h"
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#endif
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#ifndef TEST
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#define TEST ssse3_test
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#endif
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#include CHECK_H
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#include "ssse3-vals.h"
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#include <tmmintrin.h>
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#ifndef __AVX__
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/* Test the 64-bit form */
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static void
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ssse3_test_pmulhrsw (int *i1, int *i2, int *r)
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{
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__m64 t1 = *(__m64 *) i1;
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__m64 t2 = *(__m64 *) i2;
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*(__m64 *) r = _mm_mulhrs_pi16 (t1, t2);
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_mm_empty ();
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}
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#endif
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/* Test the 128-bit form */
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static void
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ssse3_test_pmulhrsw128 (int *i1, int *i2, int *r)
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{
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/* Assumes incoming pointers are 16-byte aligned */
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__m128i t1 = *(__m128i *) i1;
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__m128i t2 = *(__m128i *) i2;
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*(__m128i *) r = _mm_mulhrs_epi16 (t1, t2);
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}
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/* Routine to manually compute the results */
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static void
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compute_correct_result (int *i1, int *i2, int *r)
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{
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short *s1 = (short *) i1;
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short *s2 = (short *) i2;
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short *sout = (short *) r;
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int t0;
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int i;
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for (i = 0; i < 8; i++)
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{
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t0 = (((int) s1[i] * (int) s2[i]) >> 14) + 1;
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sout[i] = (short) (t0 >> 1);
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}
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}
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static void
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TEST (void)
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{
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int i;
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int r [4] __attribute__ ((aligned(16)));
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int ck [4];
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int fail = 0;
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for (i = 0; i < 256; i += 8)
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{
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/* Manually compute the result */
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compute_correct_result (&vals[i + 0], &vals[i + 4], ck);
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#ifndef __AVX__
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/* Run the 64-bit tests */
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ssse3_test_pmulhrsw (&vals[i + 0], &vals[i + 4], &r[0]);
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ssse3_test_pmulhrsw (&vals[i + 2], &vals[i + 6], &r[2]);
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fail += chk_128 (ck, r);
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#endif
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/* Run the 128-bit tests */
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ssse3_test_pmulhrsw128 (&vals[i + 0], &vals[i + 4], r);
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fail += chk_128 (ck, r);
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}
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if (fail != 0)
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abort ();
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}
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