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_phaddsw (int *i1, int *i2, int *r) 23{ 24 __m64 t1 = *(__m64 *) i1; 25 __m64 t2 = *(__m64 *) i2; 26 *(__m64 *) r = _mm_hadds_pi16 (t1, t2); 27 _mm_empty (); 28} 29#endif 30 31/* Test the 128-bit form */ 32static void 33ssse3_test_phaddsw128 (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_hadds_epi16 (t1, t2); 39} 40 41static short 42signed_saturate_to_word (int x) 43{ 44 if (x > (int) 0x7fff) 45 return 0x7fff; 46 47 if (x < (int) 0xffff8000) 48 return 0x8000; 49 50 return (short) x; 51} 52 53/* Routine to manually compute the results */ 54static void 55compute_correct_result (int *i1, int *i2, int *r) 56{ 57 short *s1 = (short *) i1; 58 short *s2 = (short *) i2; 59 short *sout = (short *) r; 60 int i; 61 62 for (i = 0; i < 4; i++) 63 sout[i] = signed_saturate_to_word(s1[2 * i] + s1[2 * i + 1]); 64 for (i = 0; i < 4; i++) 65 sout[i + 4] = signed_saturate_to_word(s2[2 * i] + s2[2 * i + 1]); 66} 67 68static void 69TEST (void) 70{ 71 int i; 72 int r [4] __attribute__ ((aligned(16))); 73 int ck [4]; 74 int fail = 0; 75 76 for (i = 0; i < 256; i += 8) 77 { 78 /* Manually compute the result */ 79 compute_correct_result (&vals[i + 0], &vals[i + 4], ck); 80 81#ifndef __AVX__ 82 /* Run the 64-bit tests */ 83 ssse3_test_phaddsw (&vals[i + 0], &vals[i + 2], &r[0]); 84 ssse3_test_phaddsw (&vals[i + 4], &vals[i + 6], &r[2]); 85 fail += chk_128 (ck, r); 86#endif 87 88 /* Run the 128-bit tests */ 89 ssse3_test_phaddsw128 (&vals[i + 0], &vals[i + 4], r); 90 fail += chk_128 (ck, r); 91 } 92 93 if (fail != 0) 94 abort (); 95} 96