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Issue 2381493006: HalfFloat_SSE2 port from C algorithm to SSE2 (Closed)
Patch Set: bump version Created 4 years, 2 months ago
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1 // VERSION 2 1 // VERSION 2
2 /* 2 /*
3 * Copyright 2011 The LibYuv Project Authors. All rights reserved. 3 * Copyright 2011 The LibYuv Project Authors. All rights reserved.
4 * 4 *
5 * Use of this source code is governed by a BSD-style license 5 * Use of this source code is governed by a BSD-style license
6 * that can be found in the LICENSE file in the root of the source 6 * that can be found in the LICENSE file in the root of the source
7 * tree. An additional intellectual property rights grant can be found 7 * tree. An additional intellectual property rights grant can be found
8 * in the file PATENTS. All contributing project authors may 8 * in the file PATENTS. All contributing project authors may
9 * be found in the AUTHORS file in the root of the source tree. 9 * be found in the AUTHORS file in the root of the source tree.
10 */ 10 */
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5359 : "+r"(src_argb), // %0 5359 : "+r"(src_argb), // %0
5360 "+r"(dst_argb), // %1 5360 "+r"(dst_argb), // %1
5361 "+r"(width) // %2 5361 "+r"(width) // %2
5362 : "r"(poly) // %3 5362 : "r"(poly) // %3
5363 : "memory", "cc", 5363 : "memory", "cc",
5364 "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7" 5364 "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7"
5365 ); 5365 );
5366 } 5366 }
5367 #endif // HAS_ARGBPOLYNOMIALROW_AVX2 5367 #endif // HAS_ARGBPOLYNOMIALROW_AVX2
5368 5368
5369 #ifdef HAS_HALFFLOATROW_SSE2
5370 void HalfFloatRow_SSE2(const uint16* src, uint16* dst, float scale, int width) {
5371 float mult = 1.9259299444e-34f * scale;
5372 asm volatile (
5373 "movd %3,%%xmm4 \n"
5374 "pshufd $0x0,%%xmm4,%%xmm4 \n"
5375 "pxor %%xmm5,%%xmm5 \n"
5376
5377 // 16 pixel loop.
5378 LABELALIGN
5379 "1: \n"
5380 "movdqu " MEMACCESS(0) ",%%xmm0 \n" // 8 shorts
5381 "lea " MEMLEA(0x10,0) ",%0 \n"
5382 "movdqa %%xmm0,%%xmm1 \n"
5383 "punpcklwd %%xmm5,%%xmm0 \n" // 8 ints in xmm0/1
5384 "cvtdq2ps %%xmm0,%%xmm0 \n" // 8 floats
5385 "punpckhwd %%xmm5,%%xmm1 \n"
5386 "cvtdq2ps %%xmm1,%%xmm1 \n"
5387 "mulps %%xmm4,%%xmm0 \n"
5388 "mulps %%xmm4,%%xmm1 \n"
5389 "psrld $0xd,%%xmm0 \n"
5390 "psrld $0xd,%%xmm1 \n"
5391 "packssdw %%xmm1,%%xmm0 \n"
5392 "movdqu %%xmm0," MEMACCESS(1) " \n"
5393 "lea " MEMLEA(0x10,1) ",%1 \n"
5394 "sub $0x8,%2 \n"
5395 "jg 1b \n"
5396 : "+r"(src), // %0
5397 "+r"(dst), // %1
5398 "+r"(width) // %2
5399 : "rm"(mult) // %3
5400 : "memory", "cc",
5401 "xmm0", "xmm1", "xmm4", "xmm5"
5402 );
5403 }
5404 #endif // HAS_HALFFLOATROW_SSE2
5405
5369 #ifdef HAS_HALFFLOATROW_AVX2 5406 #ifdef HAS_HALFFLOATROW_AVX2
5370 void HalfFloatRow_AVX2(const uint16* src, uint16* dst, float scale, int width) { 5407 void HalfFloatRow_AVX2(const uint16* src, uint16* dst, float scale, int width) {
5371 asm volatile ( 5408 asm volatile (
5372 "vbroadcastss %3, %%ymm4 \n" 5409 "vbroadcastss %3, %%ymm4 \n"
5373 5410
5374 // 16 pixel loop. 5411 // 16 pixel loop.
5375 LABELALIGN 5412 LABELALIGN
5376 "1: \n" 5413 "1: \n"
5377 "vpmovzxwd " MEMACCESS(0) ",%%ymm0 \n" // 8 shorts -> 8 ints 5414 "vpmovzxwd " MEMACCESS(0) ",%%ymm0 \n" // 8 shorts -> 8 ints
5378 "vpmovzxwd " MEMACCESS2(0x10,0) ",%%ymm1 \n" // 8 more 5415 "vpmovzxwd " MEMACCESS2(0x10,0) ",%%ymm1 \n" // 8 more
5379 "lea " MEMLEA(0x20,0) ",%0 \n" 5416 "lea " MEMLEA(0x20,0) ",%0 \n"
5380 "vcvtdq2ps %%ymm0,%%ymm0 \n" 5417 "vcvtdq2ps %%ymm0,%%ymm0 \n"
5381 "vcvtdq2ps %%ymm1,%%ymm1 \n" 5418 "vcvtdq2ps %%ymm1,%%ymm1 \n"
5382 "vmulps %%ymm0,%%ymm4,%%ymm0 \n" 5419 "vmulps %%ymm0,%%ymm4,%%ymm0 \n"
5383 "vmulps %%ymm1,%%ymm4,%%ymm1 \n" 5420 "vmulps %%ymm1,%%ymm4,%%ymm1 \n"
5384 "vcvtps2ph $3, %%ymm0, %%xmm0 \n" 5421 "vcvtps2ph $3, %%ymm0, %%xmm0 \n"
5385 "vcvtps2ph $3, %%ymm1, %%xmm1 \n" 5422 "vcvtps2ph $3, %%ymm1, %%xmm1 \n"
5386 "vmovdqu %%xmm0," MEMACCESS(1) " \n" 5423 "vmovdqu %%xmm0," MEMACCESS(1) " \n"
5387 "vmovdqu %%xmm1," MEMACCESS2(0x10,1) " \n" 5424 "vmovdqu %%xmm1," MEMACCESS2(0x10,1) " \n"
5388 "lea " MEMLEA(0x20,1) ",%1 \n" 5425 "lea " MEMLEA(0x20,1) ",%1 \n"
5389 "sub $0x10,%2 \n" 5426 "sub $0x10,%2 \n"
5390 "jg 1b \n" 5427 "jg 1b \n"
5391 "vzeroupper \n" 5428 "vzeroupper \n"
5392 : "+r"(src), // %0 5429 : "+r"(src), // %0
5393 "+r"(dst), // %1 5430 "+r"(dst), // %1
5394 "+r"(width) // %2 5431 "+r"(width) // %2
5395 : "x"(scale) // %3 5432 : "x"(scale) // %3
5396 : "memory", "cc", 5433 : "memory", "cc",
5397 "xmm0", "xmm4" 5434 "xmm0", "xmm1", "xmm4"
5398 ); 5435 );
5399 } 5436 }
5400 #endif // HAS_HALFFLOATROW_AVX2 5437 #endif // HAS_HALFFLOATROW_AVX2
5401 5438
5402 #ifdef HAS_ARGBCOLORTABLEROW_X86 5439 #ifdef HAS_ARGBCOLORTABLEROW_X86
5403 // Tranform ARGB pixels with color table. 5440 // Tranform ARGB pixels with color table.
5404 void ARGBColorTableRow_X86(uint8* dst_argb, const uint8* table_argb, 5441 void ARGBColorTableRow_X86(uint8* dst_argb, const uint8* table_argb,
5405 int width) { 5442 int width) {
5406 uintptr_t pixel_temp; 5443 uintptr_t pixel_temp;
5407 asm volatile ( 5444 asm volatile (
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5558 ); 5595 );
5559 } 5596 }
5560 #endif // HAS_ARGBLUMACOLORTABLEROW_SSSE3 5597 #endif // HAS_ARGBLUMACOLORTABLEROW_SSSE3
5561 5598
5562 #endif // defined(__x86_64__) || defined(__i386__) 5599 #endif // defined(__x86_64__) || defined(__i386__)
5563 5600
5564 #ifdef __cplusplus 5601 #ifdef __cplusplus
5565 } // extern "C" 5602 } // extern "C"
5566 } // namespace libyuv 5603 } // namespace libyuv
5567 #endif 5604 #endif
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