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Side by Side Diff: src/opts/SkOpts_sse41.cpp

Issue 1817813002: Fix for unaligned automatic variable address in SSE routines (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Added author line to AUTHORS file for SSE patch Created 4 years, 9 months ago
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1 /* 1 /*
2 * Copyright 2015 Google Inc. 2 * Copyright 2015 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #include "SkOpts.h" 8 #include "SkOpts.h"
9 9
10 #define SK_OPTS_NS sk_sse41 10 #define SK_OPTS_NS sk_sse41
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43 return r; 43 return r;
44 } 44 }
45 static m64i next1(const uint32_t*& ptr) { 45 static m64i next1(const uint32_t*& ptr) {
46 auto r = _mm_cvtsi32_si128(*ptr); 46 auto r = _mm_cvtsi32_si128(*ptr);
47 ptr += 1; 47 ptr += 1;
48 return r; 48 return r;
49 } 49 }
50 50
51 // xyzw -> xxxx yyyy zzzz wwww 51 // xyzw -> xxxx yyyy zzzz wwww
52 static __m128i replicate_coverage(__m128i xyzw) { 52 static __m128i replicate_coverage(__m128i xyzw) {
53 const uint8_t mask[] = { 0,0,0,0, 1,1,1,1, 2,2,2,2, 3,3,3,3 }; 53 return _mm_shuffle_epi8(xyzw, _mm_setr_epi8(0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3));
54 return _mm_shuffle_epi8(xyzw, _mm_load_si128((const __m128i*)mask));
55 } 54 }
56 55
57 static __m128i next4(const uint8_t*& ptr) { 56 static __m128i next4(const uint8_t*& ptr) {
58 auto r = replicate_coverage(_mm_cvtsi32_si128(*(const uint32_t*)ptr)); 57 auto r = replicate_coverage(_mm_cvtsi32_si128(*(const uint32_t*)ptr));
59 ptr += 4; 58 ptr += 4;
60 return r; 59 return r;
61 } 60 }
62 static m64i next2(const uint8_t*& ptr) { 61 static m64i next2(const uint8_t*& ptr) {
63 auto r = replicate_coverage(_mm_cvtsi32_si128(*(const uint16_t*)ptr)); 62 auto r = replicate_coverage(_mm_cvtsi32_si128(*(const uint16_t*)ptr));
64 ptr += 2; 63 ptr += 2;
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221 box_blur_xx = sk_sse41::box_blur_xx; 220 box_blur_xx = sk_sse41::box_blur_xx;
222 box_blur_xy = sk_sse41::box_blur_xy; 221 box_blur_xy = sk_sse41::box_blur_xy;
223 box_blur_yx = sk_sse41::box_blur_yx; 222 box_blur_yx = sk_sse41::box_blur_yx;
224 223
225 #ifndef SK_SUPPORT_LEGACY_X86_BLITS 224 #ifndef SK_SUPPORT_LEGACY_X86_BLITS
226 blit_row_color32 = sk_sse41::blit_row_color32; 225 blit_row_color32 = sk_sse41::blit_row_color32;
227 blit_mask_d32_a8 = sk_sse41::blit_mask_d32_a8; 226 blit_mask_d32_a8 = sk_sse41::blit_mask_d32_a8;
228 #endif 227 #endif
229 } 228 }
230 } 229 }
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