1/* { dg-do run } */ 2/* { dg-require-effective-target ssse3 } */ 3/* { dg-options "-O2 -fno-strict-aliasing -mssse3" } */ 4 5#ifndef CHECK_H 6#define CHECK_H "ssse3-check.h" 7#endif 8 9#ifndef TEST 10#define TEST ssse3_test 11#endif 12 13#include CHECK_H 14 15#include "ssse3-vals.h" 16 17#include <tmmintrin.h> 18 19#ifndef __AVX__ 20/* Test the 64-bit form */ 21static void 22ssse3_test_pmulhrsw (int *i1, int *i2, int *r) 23{ 24 __m64 t1 = *(__m64 *) i1; 25 __m64 t2 = *(__m64 *) i2; 26 *(__m64 *) r = _mm_mulhrs_pi16 (t1, t2); 27 _mm_empty (); 28} 29#endif 30 31/* Test the 128-bit form */ 32static void 33ssse3_test_pmulhrsw128 (int *i1, int *i2, int *r) 34{ 35 /* Assumes incoming pointers are 16-byte aligned */ 36 __m128i t1 = *(__m128i *) i1; 37 __m128i t2 = *(__m128i *) i2; 38 *(__m128i *) r = _mm_mulhrs_epi16 (t1, t2); 39} 40 41/* Routine to manually compute the results */ 42static void 43compute_correct_result (int *i1, int *i2, int *r) 44{ 45 short *s1 = (short *) i1; 46 short *s2 = (short *) i2; 47 short *sout = (short *) r; 48 int t0; 49 int i; 50 51 for (i = 0; i < 8; i++) 52 { 53 t0 = (((int) s1[i] * (int) s2[i]) >> 14) + 1; 54 sout[i] = (short) (t0 >> 1); 55 } 56} 57 58static void 59TEST (void) 60{ 61 int i; 62 int r [4] __attribute__ ((aligned(16))); 63 int ck [4]; 64 int fail = 0; 65 66 for (i = 0; i < 256; i += 8) 67 { 68 /* Manually compute the result */ 69 compute_correct_result (&vals[i + 0], &vals[i + 4], ck); 70 71#ifndef __AVX__ 72 /* Run the 64-bit tests */ 73 ssse3_test_pmulhrsw (&vals[i + 0], &vals[i + 4], &r[0]); 74 ssse3_test_pmulhrsw (&vals[i + 2], &vals[i + 6], &r[2]); 75 fail += chk_128 (ck, r); 76#endif 77 78 /* Run the 128-bit tests */ 79 ssse3_test_pmulhrsw128 (&vals[i + 0], &vals[i + 4], r); 80 fail += chk_128 (ck, r); 81 } 82 83 if (fail != 0) 84 abort (); 85} 86