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_pshufb (int *i1, int *i2, int *r) 23{ 24 __m64 t1 = *(__m64 *) i1; 25 __m64 t2 = *(__m64 *) i2; 26 *(__m64 *)r = _mm_shuffle_pi8 (t1, t2); 27 _mm_empty (); 28} 29#endif 30 31/* Test the 128-bit form */ 32static void 33ssse3_test_pshufb128 (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_shuffle_epi8 (t1, t2); 39} 40 41#ifndef __AVX__ 42/* Routine to manually compute the results */ 43static void 44compute_correct_result_64 (int *i1, int *i2, int *r) 45{ 46 char *b1 = (char *) i1; 47 char *b2 = (char *) i2; 48 char *bout = (char *) r; 49 int i; 50 char select; 51 52 for (i = 0; i < 16; i++) 53 { 54 select = b2[i]; 55 if (select & 0x80) 56 bout[i] = 0; 57 else if (i < 8) 58 bout[i] = b1[select & 0x7]; 59 else 60 bout[i] = b1[8 + (select & 0x7)]; 61 } 62} 63#endif 64 65static void 66compute_correct_result_128 (int *i1, int *i2, int *r) 67{ 68 char *b1 = (char *) i1; 69 char *b2 = (char *) i2; 70 char *bout = (char *) r; 71 int i; 72 char select; 73 74 for (i = 0; i < 16; i++) 75 { 76 select = b2[i]; 77 if (select & 0x80) 78 bout[i] = 0; 79 else 80 bout[i] = b1[select & 0xf]; 81 } 82} 83 84static void 85TEST (void) 86{ 87 int i; 88 int r [4] __attribute__ ((aligned(16))); 89 int ck [4]; 90 int fail = 0; 91 92 for (i = 0; i < 256; i += 8) 93 { 94#ifndef __AVX__ 95 /* Manually compute the result */ 96 compute_correct_result_64 (&vals[i + 0], &vals[i + 4], ck); 97 98 /* Run the 64-bit tests */ 99 ssse3_test_pshufb (&vals[i + 0], &vals[i + 4], &r[0]); 100 ssse3_test_pshufb (&vals[i + 2], &vals[i + 6], &r[2]); 101 fail += chk_128 (ck, r); 102#endif 103 104 /* Recompute the result for 128-bits */ 105 compute_correct_result_128 (&vals[i + 0], &vals[i + 4], ck); 106 107 /* Run the 128-bit tests */ 108 ssse3_test_pshufb128 (&vals[i + 0], &vals[i + 4], r); 109 fail += chk_128 (ck, r); 110 } 111 112 if (fail != 0) 113 abort (); 114} 115