The Tor Browser / file comparison
comparison: gfx/2d/SSEHelpers.h
gfx/2d/SSEHelpers.h
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
equal
deleted
inserted
replaced
| -1:000000000000 | 0:8408aa6aad54 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include <xmmintrin.h> | |
| 6 #include <emmintrin.h> | |
| 7 | |
| 8 /* Before Nehalem _mm_loadu_si128 could be very slow, this trick is a little | |
| 9 * faster. Once enough people are on architectures where _mm_loadu_si128 is | |
| 10 * fast we can migrate to it. | |
| 11 */ | |
| 12 MOZ_ALWAYS_INLINE __m128i loadUnaligned128(const __m128i *aSource) | |
| 13 { | |
| 14 // Yes! We use uninitialized memory here, we'll overwrite it though! | |
| 15 __m128 res = _mm_loadl_pi(_mm_set1_ps(0), (const __m64*)aSource); | |
| 16 return _mm_castps_si128(_mm_loadh_pi(res, ((const __m64*)(aSource)) + 1)); | |
| 17 } |
