URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.target/] [i386/] [ssse3-pmaddubsw.c] - Rev 848
Go to most recent revision | Compare with Previous | Blame | View Log
/* { dg-do run } */ /* { dg-require-effective-target ssse3 } */ /* { dg-options "-O2 -fno-strict-aliasing -mssse3" } */ #ifndef CHECK_H #define CHECK_H "ssse3-check.h" #endif #ifndef TEST #define TEST ssse3_test #endif #include CHECK_H #include "ssse3-vals.h" #include <tmmintrin.h> #ifndef __AVX__ /* Test the 64-bit form */ static void ssse3_test_pmaddubsw (int *i1, int *i2, int *r) { __m64 t1 = *(__m64 *) i1; __m64 t2 = *(__m64 *) i2; *(__m64 *) r = _mm_maddubs_pi16 (t1, t2); _mm_empty (); } #endif /* Test the 128-bit form */ static void ssse3_test_pmaddubsw128 (int *i1, int *i2, int *r) { /* Assumes incoming pointers are 16-byte aligned */ __m128i t1 = *(__m128i *) i1; __m128i t2 = *(__m128i *) i2; *(__m128i *) r = _mm_maddubs_epi16 (t1, t2); } static short signed_saturate_to_word(int x) { if (x > (int) 0x7fff) return 0x7fff; if (x < (int) 0xffff8000) return 0x8000; return (short) x; } /* Routine to manually compute the results */ static void compute_correct_result (int *i1, int *i2, int *r) { unsigned char *ub1 = (unsigned char *) i1; char *sb2 = (char *) i2; short *sout = (short *) r; int t0; int i; for (i = 0; i < 8; i++) { t0 = ((int) ub1[2 * i] * (int) sb2[2 * i] + (int) ub1[2 * i + 1] * (int) sb2[2 * i + 1]); sout[i] = signed_saturate_to_word (t0); } } static void TEST (void) { int i; int r [4] __attribute__ ((aligned(16))); int ck [4]; int fail = 0; for (i = 0; i < 256; i += 8) { /* Manually compute the result */ compute_correct_result (&vals[i + 0], &vals[i + 4], ck); #ifndef __AVX__ /* Run the 64-bit tests */ ssse3_test_pmaddubsw (&vals[i + 0], &vals[i + 4], &r[0]); ssse3_test_pmaddubsw (&vals[i + 2], &vals[i + 6], &r[2]); fail += chk_128 (ck, r); #endif /* Run the 128-bit tests */ ssse3_test_pmaddubsw128 (&vals[i + 0], &vals[i + 4], r); fail += chk_128 (ck, r); } if (fail != 0) abort (); }
Go to most recent revision | Compare with Previous | Blame | View Log