| /* { dg-do run } */ |
| /* { dg-options "-O2 -msse2" } */ |
| /* { dg-require-effective-target sse2 } */ |
| |
| #include "sse2-check.h" |
| |
| #ifdef DEBUG |
| #include <stdio.h> |
| #endif |
| |
| #include <emmintrin.h> |
| |
| static void |
| __attribute__((noinline)) |
| check (__m128i x, unsigned short *v, int j) |
| { |
| union |
| { |
| __m128i x; |
| unsigned short i[8]; |
| } u; |
| unsigned int i; |
| |
| u.x = x; |
| |
| for (i = 0; i < sizeof (u) / sizeof (v[0]); i++) |
| if (i == j) |
| { |
| if (v[i] != u.i[i]) |
| { |
| #ifdef DEBUG |
| printf ("%i: 0x%x != 0x%x\n", i, v[i], u.i[i]); |
| #endif |
| abort (); |
| } |
| } |
| else if (u.i[i] != 0) |
| { |
| #ifdef DEBUG |
| printf ("%i: 0x%x != 0\n", i, u.i[i]); |
| #endif |
| abort (); |
| } |
| } |
| |
| static void |
| __attribute__((noinline)) |
| test (unsigned short *v) |
| { |
| __m128i x; |
| |
| x = _mm_set_epi16 (0, 0, 0, 0, 0, 0, 0, v[0]); |
| check (x, v, 0); |
| x = _mm_set_epi16 (0, 0, 0, 0, 0, 0, v[1], 0); |
| check (x, v, 1); |
| x = _mm_set_epi16 (0, 0, 0, 0, 0, v[2], 0, 0); |
| check (x, v, 2); |
| x = _mm_set_epi16 (0, 0, 0, 0, v[3], 0, 0, 0); |
| check (x, v, 3); |
| x = _mm_set_epi16 (0, 0, 0, v[4], 0, 0, 0, 0); |
| check (x, v, 4); |
| x = _mm_set_epi16 (0, 0, v[5], 0, 0, 0, 0, 0); |
| check (x, v, 5); |
| x = _mm_set_epi16 (0, v[6], 0, 0, 0, 0, 0, 0); |
| check (x, v, 6); |
| x = _mm_set_epi16 (v[7], 0, 0, 0, 0, 0, 0, 0); |
| check (x, v, 7); |
| } |
| |
| static void |
| sse2_test (void) |
| { |
| unsigned short v[8] |
| = { 0x7B5B, 0x5465, 0x7374, 0x5665, |
| 0x6374, 0x6F72, 0x5D53, 0x475D }; |
| test (v); |
| } |