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#include "ssse3-vals.h" 15 16#include <tmmintrin.h> 17 18#ifndef __AVX__ 19/* Test the 64-bit form */ 20static void 21ssse3_test_psignb (int *i1, int *i2, int *r) 22{ 23 __m64 t1 = *(__m64 *) i1; 24 __m64 t2 = *(__m64 *) i2; 25 *(__m64 *) r = _mm_sign_pi8 (t1, t2); 26 _mm_empty (); 27} 28#endif 29 30/* Test the 128-bit form */ 31static void 32ssse3_test_psignb128 (int *i1, int *i2, int *r) 33{ 34 /* Assumes incoming pointers are 16-byte aligned */ 35 __m128i t1 = *(__m128i *) i1; 36 __m128i t2 = *(__m128i *) i2; 37 *(__m128i *) r = _mm_sign_epi8 (t1, t2); 38} 39 40/* Routine to manually compute the results */ 41static void 42compute_correct_result (int *i1, int *i2, int *r) 43{ 44 char *b1 = (char *) i1; 45 char *b2 = (char *) i2; 46 char *bout = (char *) r; 47 int i; 48 49 for (i = 0; i < 16; i++) 50 if (b2[i] < 0) 51 bout[i] = -b1[i]; 52 else if (b2[i] == 0) 53 bout[i] = 0; 54 else 55 bout[i] = b1[i]; 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_psignb (&vals[i + 0], &vals[i + 4], &r[0]); 74 ssse3_test_psignb (&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_psignb128 (&vals[i + 0], &vals[i + 4], r); 80 fail += chk_128 (ck, r); 81 } 82 83 if (fail != 0) 84 abort (); 85} 86