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-rw-r--r--media/libjpeg/simd/i386/jcgryext-avx2.asm457
1 files changed, 457 insertions, 0 deletions
diff --git a/media/libjpeg/simd/i386/jcgryext-avx2.asm b/media/libjpeg/simd/i386/jcgryext-avx2.asm
new file mode 100644
index 0000000000..3fa7973d72
--- /dev/null
+++ b/media/libjpeg/simd/i386/jcgryext-avx2.asm
@@ -0,0 +1,457 @@
+;
+; jcgryext.asm - grayscale colorspace conversion (AVX2)
+;
+; Copyright (C) 2011, 2016, D. R. Commander.
+; Copyright (C) 2015, Intel Corporation.
+;
+; Based on the x86 SIMD extension for IJG JPEG library
+; Copyright (C) 1999-2006, MIYASAKA Masaru.
+; For conditions of distribution and use, see copyright notice in jsimdext.inc
+;
+; This file should be assembled with NASM (Netwide Assembler),
+; can *not* be assembled with Microsoft's MASM or any compatible
+; assembler (including Borland's Turbo Assembler).
+; NASM is available from http://nasm.sourceforge.net/ or
+; http://sourceforge.net/project/showfiles.php?group_id=6208
+
+%include "jcolsamp.inc"
+
+; --------------------------------------------------------------------------
+;
+; Convert some rows of samples to the output colorspace.
+;
+; GLOBAL(void)
+; jsimd_rgb_gray_convert_avx2(JDIMENSION img_width, JSAMPARRAY input_buf,
+; JSAMPIMAGE output_buf, JDIMENSION output_row,
+; int num_rows);
+;
+
+%define img_width(b) (b) + 8 ; JDIMENSION img_width
+%define input_buf(b) (b) + 12 ; JSAMPARRAY input_buf
+%define output_buf(b) (b) + 16 ; JSAMPIMAGE output_buf
+%define output_row(b) (b) + 20 ; JDIMENSION output_row
+%define num_rows(b) (b) + 24 ; int num_rows
+
+%define original_ebp ebp + 0
+%define wk(i) ebp - (WK_NUM - (i)) * SIZEOF_YMMWORD
+ ; ymmword wk[WK_NUM]
+%define WK_NUM 2
+%define gotptr wk(0) - SIZEOF_POINTER ; void * gotptr
+
+ align 32
+ GLOBAL_FUNCTION(jsimd_rgb_gray_convert_avx2)
+
+EXTN(jsimd_rgb_gray_convert_avx2):
+ push ebp
+ mov eax, esp ; eax = original ebp
+ sub esp, byte 4
+ and esp, byte (-SIZEOF_YMMWORD) ; align to 256 bits
+ mov [esp], eax
+ mov ebp, esp ; ebp = aligned ebp
+ lea esp, [wk(0)]
+ pushpic eax ; make a room for GOT address
+ push ebx
+; push ecx ; need not be preserved
+; push edx ; need not be preserved
+ push esi
+ push edi
+
+ get_GOT ebx ; get GOT address
+ movpic POINTER [gotptr], ebx ; save GOT address
+
+ mov ecx, JDIMENSION [img_width(eax)]
+ test ecx, ecx
+ jz near .return
+
+ push ecx
+
+ mov esi, JSAMPIMAGE [output_buf(eax)]
+ mov ecx, JDIMENSION [output_row(eax)]
+ mov edi, JSAMPARRAY [esi+0*SIZEOF_JSAMPARRAY]
+ lea edi, [edi+ecx*SIZEOF_JSAMPROW]
+
+ pop ecx
+
+ mov esi, JSAMPARRAY [input_buf(eax)]
+ mov eax, INT [num_rows(eax)]
+ test eax, eax
+ jle near .return
+ alignx 16, 7
+.rowloop:
+ pushpic eax
+ push edi
+ push esi
+ push ecx ; col
+
+ mov esi, JSAMPROW [esi] ; inptr
+ mov edi, JSAMPROW [edi] ; outptr0
+ movpic eax, POINTER [gotptr] ; load GOT address (eax)
+
+ cmp ecx, byte SIZEOF_YMMWORD
+ jae near .columnloop
+ alignx 16, 7
+
+%if RGB_PIXELSIZE == 3 ; ---------------
+
+.column_ld1:
+ push eax
+ push edx
+ lea ecx, [ecx+ecx*2] ; imul ecx,RGB_PIXELSIZE
+ test cl, SIZEOF_BYTE
+ jz short .column_ld2
+ sub ecx, byte SIZEOF_BYTE
+ movzx eax, byte [esi+ecx]
+.column_ld2:
+ test cl, SIZEOF_WORD
+ jz short .column_ld4
+ sub ecx, byte SIZEOF_WORD
+ movzx edx, word [esi+ecx]
+ shl eax, WORD_BIT
+ or eax, edx
+.column_ld4:
+ vmovd xmmA, eax
+ pop edx
+ pop eax
+ test cl, SIZEOF_DWORD
+ jz short .column_ld8
+ sub ecx, byte SIZEOF_DWORD
+ vmovd xmmF, XMM_DWORD [esi+ecx]
+ vpslldq xmmA, xmmA, SIZEOF_DWORD
+ vpor xmmA, xmmA, xmmF
+.column_ld8:
+ test cl, SIZEOF_MMWORD
+ jz short .column_ld16
+ sub ecx, byte SIZEOF_MMWORD
+ vmovq xmmB, XMM_MMWORD [esi+ecx]
+ vpslldq xmmA, xmmA, SIZEOF_MMWORD
+ vpor xmmA, xmmA, xmmB
+.column_ld16:
+ test cl, SIZEOF_XMMWORD
+ jz short .column_ld32
+ sub ecx, byte SIZEOF_XMMWORD
+ vmovdqu xmmB, XMM_MMWORD [esi+ecx]
+ vperm2i128 ymmA, ymmA, ymmA, 1
+ vpor ymmA, ymmB
+.column_ld32:
+ test cl, SIZEOF_YMMWORD
+ jz short .column_ld64
+ sub ecx, byte SIZEOF_YMMWORD
+ vmovdqa ymmF, ymmA
+ vmovdqu ymmA, YMMWORD [esi+0*SIZEOF_YMMWORD]
+.column_ld64:
+ test cl, 2*SIZEOF_YMMWORD
+ mov ecx, SIZEOF_YMMWORD
+ jz short .rgb_gray_cnv
+ vmovdqa ymmB, ymmA
+ vmovdqu ymmA, YMMWORD [esi+0*SIZEOF_YMMWORD]
+ vmovdqu ymmF, YMMWORD [esi+1*SIZEOF_YMMWORD]
+ jmp short .rgb_gray_cnv
+ alignx 16, 7
+
+.columnloop:
+ vmovdqu ymmA, YMMWORD [esi+0*SIZEOF_YMMWORD]
+ vmovdqu ymmF, YMMWORD [esi+1*SIZEOF_YMMWORD]
+ vmovdqu ymmB, YMMWORD [esi+2*SIZEOF_YMMWORD]
+
+.rgb_gray_cnv:
+ ; ymmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05
+ ; 15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A)
+ ; ymmF=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F
+ ; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L)
+ ; ymmB=(1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q
+ ; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V)
+
+ vmovdqu ymmC, ymmA
+ vinserti128 ymmA, ymmF, xmmA, 0 ; ymmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05
+ ; 0G 1G 2G 0H 1H 2H 0I 1I 2I 0J 1J 2J 0K 1K 2K 0L)
+ vinserti128 ymmC, ymmC, xmmB, 0 ; ymmC=(1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q
+ ; 15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A)
+ vinserti128 ymmB, ymmB, xmmF, 0 ; ymmB=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F
+ ; 2Q 0R 1R 2R 0S 1S 2S 0T 1T 2T 0U 1U 2U 0V 1V 2V)
+ vperm2i128 ymmF, ymmC, ymmC, 1 ; ymmF=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A
+ ; 1L 2L 0M 1M 2M 0N 1N 2N 0O 1O 2O 0P 1P 2P 0Q 1Q)
+
+ vmovdqa ymmG, ymmA
+ vpslldq ymmA, ymmA, 8 ; ymmA=(-- -- -- -- -- -- -- -- 00 10 20 01 11 21 02 12
+ ; 22 03 13 23 04 14 24 05 0G 1G 2G 0H 1H 2H 0I 1I)
+ vpsrldq ymmG, ymmG, 8 ; ymmG=(22 03 13 23 04 14 24 05 0G 1G 2G 0H 1H 2H 0I 1I
+ ; 2I 0J 1J 2J 0K 1K 2K 0L -- -- -- -- -- -- -- --)
+
+ vpunpckhbw ymmA, ymmA, ymmF ; ymmA=(00 08 10 18 20 28 01 09 11 19 21 29 02 0A 12 1A
+ ; 0G 0O 1G 1O 2G 2O 0H 0P 1H 1P 2H 2P 0I 0Q 1I 1Q)
+ vpslldq ymmF, ymmF, 8 ; ymmF=(-- -- -- -- -- -- -- -- 15 25 06 16 26 07 17 27
+ ; 08 18 28 09 19 29 0A 1A 1L 2L 0M 1M 2M 0N 1N 2N)
+
+ vpunpcklbw ymmG, ymmG, ymmB ; ymmG=(22 2A 03 0B 13 1B 23 2B 04 0C 14 1C 24 2C 05 0D
+ ; 2I 2Q 0J 0R 1J 1R 2J 2R 0K 0S 1K 1S 2K 2S 0L 0T)
+ vpunpckhbw ymmF, ymmF, ymmB ; ymmF=(15 1D 25 2D 06 0E 16 1E 26 2E 07 0F 17 1F 27 2F
+ ; 1L 1T 2L 2T 0M 0U 1M 1U 2M 2U 0N 0V 1N 1V 2N 2V)
+
+ vmovdqa ymmD, ymmA
+ vpslldq ymmA, ymmA, 8 ; ymmA=(-- -- -- -- -- -- -- -- 00 08 10 18 20 28 01 09
+ ; 11 19 21 29 02 0A 12 1A 0G 0O 1G 1O 2G 2O 0H 0P)
+ vpsrldq ymmD, ymmD, 8 ; ymmD=(11 19 21 29 02 0A 12 1A 0G 0O 1G 1O 2G 2O 0H 0P
+ ; 1H 1P 2H 2P 0I 0Q 1I 1Q -- -- -- -- -- -- -- --)
+
+ vpunpckhbw ymmA, ymmA, ymmG ; ymmA=(00 04 08 0C 10 14 18 1C 20 24 28 2C 01 05 09 0D
+ ; 0G 0K 0O 0S 1G 1K 1O 1S 2G 2K 2O 2S 0H 0L 0P 0T)
+ vpslldq ymmG, ymmG, 8 ; ymmG=(-- -- -- -- -- -- -- -- 22 2A 03 0B 13 1B 23 2B
+ ; 04 0C 14 1C 24 2C 05 0D 2I 2Q 0J 0R 1J 1R 2J 2R)
+
+ vpunpcklbw ymmD, ymmD, ymmF ; ymmD=(11 15 19 1D 21 25 29 2D 02 06 0A 0E 12 16 1A 1E
+ ; 1H 1L 1P 1T 2H 2L 2P 2T 0I 0M 0Q 0U 1I 1M 1Q 1U)
+ vpunpckhbw ymmG, ymmG, ymmF ; ymmG=(22 26 2A 2E 03 07 0B 0F 13 17 1B 1F 23 27 2B 2F
+ ; 2I 2M 2Q 2U 0J 0N 0R 0V 1J 1N 1R 1V 2J 2N 2R 2V)
+
+ vmovdqa ymmE, ymmA
+ vpslldq ymmA, ymmA, 8 ; ymmA=(-- -- -- -- -- -- -- -- 00 04 08 0C 10 14 18 1C
+ ; 20 24 28 2C 01 05 09 0D 0G 0K 0O 0S 1G 1K 1O 1S)
+ vpsrldq ymmE, ymmE, 8 ; ymmE=(20 24 28 2C 01 05 09 0D 0G 0K 0O 0S 1G 1K 1O 1S
+ ; 2G 2K 2O 2S 0H 0L 0P 0T -- -- -- -- -- -- -- --)
+
+ vpunpckhbw ymmA, ymmA, ymmD ; ymmA=(00 02 04 06 08 0A 0C 0E 10 12 14 16 18 1A 1C 1E
+ ; 0G 0I 0K 0M 0O 0Q 0S 0U 1G 1I 1K 1M 1O 1Q 1S 1U)
+ vpslldq ymmD, ymmD, 8 ; ymmD=(-- -- -- -- -- -- -- -- 11 15 19 1D 21 25 29 2D
+ ; 02 06 0A 0E 12 16 1A 1E 1H 1L 1P 1T 2H 2L 2P 2T)
+
+ vpunpcklbw ymmE, ymmE, ymmG ; ymmE=(20 22 24 26 28 2A 2C 2E 01 03 05 07 09 0B 0D 0F
+ ; 2G 2I 2K 2M 2O 2Q 2S 2U 0H 0J 0L 0N 0P 0R 0T 0V)
+ vpunpckhbw ymmD, ymmD, ymmG ; ymmD=(11 13 15 17 19 1B 1D 1F 21 23 25 27 29 2B 2D 2F
+ ; 1H 1J 1L 1N 1P 1R 1T 1V 2H 2J 2L 2N 2P 2R 2T 2V)
+
+ vpxor ymmH, ymmH, ymmH
+
+ vmovdqa ymmC, ymmA
+ vpunpcklbw ymmA, ymmA, ymmH ; ymmA=(00 02 04 06 08 0A 0C 0E 0G 0I 0K 0M 0O 0Q 0S 0U)
+ vpunpckhbw ymmC, ymmC, ymmH ; ymmC=(10 12 14 16 18 1A 1C 1E 1G 1I 1K 1M 1O 1Q 1S 1U)
+
+ vmovdqa ymmB, ymmE
+ vpunpcklbw ymmE, ymmE, ymmH ; ymmE=(20 22 24 26 28 2A 2C 2E 2G 2I 2K 2M 2O 2Q 2S 2U)
+ vpunpckhbw ymmB, ymmB, ymmH ; ymmB=(01 03 05 07 09 0B 0D 0F 0H 0J 0L 0N 0P 0R 0T 0V)
+
+ vmovdqa ymmF, ymmD
+ vpunpcklbw ymmD, ymmD, ymmH ; ymmD=(11 13 15 17 19 1B 1D 1F 1H 1J 1L 1N 1P 1R 1T 1V)
+ vpunpckhbw ymmF, ymmF, ymmH ; ymmF=(21 23 25 27 29 2B 2D 2F 2H 2J 2L 2N 2P 2R 2T 2V)
+
+%else ; RGB_PIXELSIZE == 4 ; -----------
+
+.column_ld1:
+ test cl, SIZEOF_XMMWORD/16
+ jz short .column_ld2
+ sub ecx, byte SIZEOF_XMMWORD/16
+ vmovd xmmA, XMM_DWORD [esi+ecx*RGB_PIXELSIZE]
+.column_ld2:
+ test cl, SIZEOF_XMMWORD/8
+ jz short .column_ld4
+ sub ecx, byte SIZEOF_XMMWORD/8
+ vmovq xmmF, XMM_MMWORD [esi+ecx*RGB_PIXELSIZE]
+ vpslldq xmmA, xmmA, SIZEOF_MMWORD
+ vpor xmmA, xmmA, xmmF
+.column_ld4:
+ test cl, SIZEOF_XMMWORD/4
+ jz short .column_ld8
+ sub ecx, byte SIZEOF_XMMWORD/4
+ vmovdqa xmmF, xmmA
+ vperm2i128 ymmF, ymmF, ymmF, 1
+ vmovdqu xmmA, XMMWORD [esi+ecx*RGB_PIXELSIZE]
+ vpor ymmA, ymmA, ymmF
+.column_ld8:
+ test cl, SIZEOF_XMMWORD/2
+ jz short .column_ld16
+ sub ecx, byte SIZEOF_XMMWORD/2
+ vmovdqa ymmF, ymmA
+ vmovdqu ymmA, YMMWORD [esi+ecx*RGB_PIXELSIZE]
+.column_ld16:
+ test cl, SIZEOF_XMMWORD
+ mov ecx, SIZEOF_YMMWORD
+ jz short .rgb_gray_cnv
+ vmovdqa ymmE, ymmA
+ vmovdqa ymmH, ymmF
+ vmovdqu ymmA, YMMWORD [esi+0*SIZEOF_YMMWORD]
+ vmovdqu ymmF, YMMWORD [esi+1*SIZEOF_YMMWORD]
+ jmp short .rgb_gray_cnv
+ alignx 16, 7
+
+.columnloop:
+ vmovdqu ymmA, YMMWORD [esi+0*SIZEOF_YMMWORD]
+ vmovdqu ymmF, YMMWORD [esi+1*SIZEOF_YMMWORD]
+ vmovdqu ymmE, YMMWORD [esi+2*SIZEOF_YMMWORD]
+ vmovdqu ymmH, YMMWORD [esi+3*SIZEOF_YMMWORD]
+
+.rgb_gray_cnv:
+ ; ymmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33
+ ; 04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37)
+ ; ymmF=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B
+ ; 0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F)
+ ; ymmE=(0G 1G 2G 3G 0H 1H 2H 3H 0I 1I 2I 3I 0J 1J 2J 3J
+ ; 0K 1K 2K 3K 0L 1L 2L 3L 0M 1M 2M 3M 0N 1N 2N 3N)
+ ; ymmH=(0O 1O 2O 3O 0P 1P 2P 3P 0Q 1Q 2Q 3Q 0R 1R 2R 3R
+ ; 0S 1S 2S 3S 0T 1T 2T 3T 0U 1U 2U 3U 0V 1V 2V 3V)
+
+ vmovdqa ymmB, ymmA
+ vinserti128 ymmA, ymmA, xmmE, 1 ; ymmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33
+ ; 0G 1G 2G 3G 0H 1H 2H 3H 0I 1I 2I 3I 0J 1J 2J 3J)
+ vperm2i128 ymmE, ymmB, ymmE, 0x31 ; ymmE=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37
+ ; 0K 1K 2K 3K 0L 1L 2L 3L 0M 1M 2M 3M 0N 1N 2N 3N)
+
+ vmovdqa ymmB, ymmF
+ vinserti128 ymmF, ymmF, xmmH, 1 ; ymmF=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B
+ ; 0O 1O 2O 3O 0P 1P 2P 3P 0Q 1Q 2Q 3Q 0R 1R 2R 3R)
+ vperm2i128 ymmH, ymmB, ymmH, 0x31 ; ymmH=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F
+ ; 0S 1S 2S 3S 0T 1T 2T 3T 0U 1U 2U 3U 0V 1V 2V 3V)
+
+ vmovdqa ymmD, ymmA
+ vpunpcklbw ymmA, ymmA, ymmE ; ymmA=(00 04 10 14 20 24 30 34 01 05 11 15 21 25 31 35
+ ; 0G 0K 1G 1K 2G 2K 3G 3K 0H 0L 1H 1L 2H 2L 3H 3L)
+ vpunpckhbw ymmD, ymmD, ymmE ; ymmD=(02 06 12 16 22 26 32 36 03 07 13 17 23 27 33 37
+ ; 0I 0M 1I 1M 2I 2M 3I 3M 0J 0N 1J 1N 2J 2N 3J 3N)
+
+ vmovdqa ymmC, ymmF
+ vpunpcklbw ymmF, ymmF, ymmH ; ymmF=(08 0C 18 1C 28 2C 38 3C 09 0D 19 1D 29 2D 39 3D
+ ; 0O 0S 1O 1S 2O 2S 3O 3S 0P 0T 1P 1T 2P 2T 3P 3T)
+ vpunpckhbw ymmC, ymmC, ymmH ; ymmC=(0A 0E 1A 1E 2A 2E 3A 3E 0B 0F 1B 1F 2B 2F 3B 3F
+ ; 0Q 0U 1Q 1U 2Q 2U 3Q 3U 0R 0V 1R 1V 2R 2V 3R 3V)
+
+ vmovdqa ymmB, ymmA
+ vpunpcklwd ymmA, ymmA, ymmF ; ymmA=(00 04 08 0C 10 14 18 1C 20 24 28 2C 30 34 38 3C
+ ; 0G 0K 0O 0S 1G 1K 1O 1S 2G 2K 2O 2S 3G 3K 3O 3S)
+ vpunpckhwd ymmB, ymmB, ymmF ; ymmB=(01 05 09 0D 11 15 19 1D 21 25 29 2D 31 35 39 3D
+ ; 0H 0L 0P 0T 1H 1L 1P 1T 2H 2L 2P 2T 3H 3L 3P 3T)
+
+ vmovdqa ymmG, ymmD
+ vpunpcklwd ymmD, ymmD, ymmC ; ymmD=(02 06 0A 0E 12 16 1A 1E 22 26 2A 2E 32 36 3A 3E
+ ; 0I 0M 0Q 0U 1I 1M 1Q 1U 2I 2M 2Q 2U 3I 3M 3Q 3U)
+ vpunpckhwd ymmG, ymmG, ymmC ; ymmG=(03 07 0B 0F 13 17 1B 1F 23 27 2B 2F 33 37 3B 3F
+ ; 0J 0N 0R 0V 1J 1N 1R 1V 2J 2N 2R 2V 3J 3N 3R 3V)
+
+ vmovdqa ymmE, ymmA
+ vpunpcklbw ymmA, ymmA, ymmD ; ymmA=(00 02 04 06 08 0A 0C 0E 10 12 14 16 18 1A 1C 1E
+ ; 0G 0I 0K 0M 0O 0Q 0S 0U 1G 1I 1K 1M 1O 1Q 1S 1U)
+ vpunpckhbw ymmE, ymmE, ymmD ; ymmE=(20 22 24 26 28 2A 2C 2E 30 32 34 36 38 3A 3C 3E
+ ; 2G 2I 2K 2M 2O 2Q 2S 2U 3G 3I 3K 3M 3O 3Q 3S 3U)
+
+ vmovdqa ymmH, ymmB
+ vpunpcklbw ymmB, ymmB, ymmG ; ymmB=(01 03 05 07 09 0B 0D 0F 11 13 15 17 19 1B 1D 1F
+ ; 0H 0J 0L 0N 0P 0R 0T 0V 1H 1J 1L 1N 1P 1R 1T 1V)
+ vpunpckhbw ymmH, ymmH, ymmG ; ymmH=(21 23 25 27 29 2B 2D 2F 31 33 35 37 39 3B 3D 3F
+ ; 2H 2J 2L 2N 2P 2R 2T 2V 3H 3J 3L 3N 3P 3R 3T 3V)
+
+ vpxor ymmF, ymmF, ymmF
+
+ vmovdqa ymmC, ymmA
+ vpunpcklbw ymmA, ymmA, ymmF ; ymmA=(00 02 04 06 08 0A 0C 0E 0G 0I 0K 0M 0O 0Q 0S 0U)
+ vpunpckhbw ymmC, ymmC, ymmF ; ymmC=(10 12 14 16 18 1A 1C 1E 1G 1I 1K 1M 1O 1Q 1S 1U)
+
+ vmovdqa ymmD, ymmB
+ vpunpcklbw ymmB, ymmB, ymmF ; ymmB=(01 03 05 07 09 0B 0D 0F 0H 0J 0L 0N 0P 0R 0T 0V)
+ vpunpckhbw ymmD, ymmD, ymmF ; ymmD=(11 13 15 17 19 1B 1D 1F 1H 1J 1L 1N 1P 1R 1T 1V)
+
+ vmovdqa ymmG, ymmE
+ vpunpcklbw ymmE, ymmE, ymmF ; ymmE=(20 22 24 26 28 2A 2C 2E 2G 2I 2K 2M 2O 2Q 2S 2U)
+ vpunpckhbw ymmG, ymmG, ymmF ; ymmG=(30 32 34 36 38 3A 3C 3E 3G 3I 3K 3M 3O 3Q 3S 3U)
+
+ vpunpcklbw ymmF, ymmF, ymmH
+ vpunpckhbw ymmH, ymmH, ymmH
+ vpsrlw ymmF, ymmF, BYTE_BIT ; ymmF=(21 23 25 27 29 2B 2D 2F 2H 2J 2L 2N 2P 2R 2T 2V)
+ vpsrlw ymmH, ymmH, BYTE_BIT ; ymmH=(31 33 35 37 39 3B 3D 3F 3H 3J 3L 3N 3P 3R 3T 3V)
+
+%endif ; RGB_PIXELSIZE ; ---------------
+
+ ; ymm0=R(02468ACEGIKMOQSU)=RE, ymm2=G(02468ACEGIKMOQSU)=GE, ymm4=B(02468ACEGIKMOQSU)=BE
+ ; ymm1=R(13579BDFHJLNPRTV)=RO, ymm3=G(13579BDFHJLNPRTV)=GO, ymm5=B(13579BDFHJLNPRTV)=BO
+
+ ; (Original)
+ ; Y = 0.29900 * R + 0.58700 * G + 0.11400 * B
+ ;
+ ; (This implementation)
+ ; Y = 0.29900 * R + 0.33700 * G + 0.11400 * B + 0.25000 * G
+
+ vmovdqa ymm6, ymm1
+ vpunpcklwd ymm1, ymm1, ymm3
+ vpunpckhwd ymm6, ymm6, ymm3
+ vpmaddwd ymm1, ymm1, [GOTOFF(eax,PW_F0299_F0337)] ; ymm1=ROL*FIX(0.299)+GOL*FIX(0.337)
+ vpmaddwd ymm6, ymm6, [GOTOFF(eax,PW_F0299_F0337)] ; ymm6=ROH*FIX(0.299)+GOH*FIX(0.337)
+
+ vmovdqa ymm7, ymm6 ; ymm7=ROH*FIX(0.299)+GOH*FIX(0.337)
+
+ vmovdqa ymm6, ymm0
+ vpunpcklwd ymm0, ymm0, ymm2
+ vpunpckhwd ymm6, ymm6, ymm2
+ vpmaddwd ymm0, ymm0, [GOTOFF(eax,PW_F0299_F0337)] ; ymm0=REL*FIX(0.299)+GEL*FIX(0.337)
+ vpmaddwd ymm6, ymm6, [GOTOFF(eax,PW_F0299_F0337)] ; ymm6=REH*FIX(0.299)+GEH*FIX(0.337)
+
+ vmovdqa YMMWORD [wk(0)], ymm0 ; wk(0)=REL*FIX(0.299)+GEL*FIX(0.337)
+ vmovdqa YMMWORD [wk(1)], ymm6 ; wk(1)=REH*FIX(0.299)+GEH*FIX(0.337)
+
+ vmovdqa ymm0, ymm5 ; ymm0=BO
+ vmovdqa ymm6, ymm4 ; ymm6=BE
+
+ vmovdqa ymm4, ymm0
+ vpunpcklwd ymm0, ymm0, ymm3
+ vpunpckhwd ymm4, ymm4, ymm3
+ vpmaddwd ymm0, ymm0, [GOTOFF(eax,PW_F0114_F0250)] ; ymm0=BOL*FIX(0.114)+GOL*FIX(0.250)
+ vpmaddwd ymm4, ymm4, [GOTOFF(eax,PW_F0114_F0250)] ; ymm4=BOH*FIX(0.114)+GOH*FIX(0.250)
+
+ vmovdqa ymm3, [GOTOFF(eax,PD_ONEHALF)] ; ymm3=[PD_ONEHALF]
+
+ vpaddd ymm0, ymm0, ymm1
+ vpaddd ymm4, ymm4, ymm7
+ vpaddd ymm0, ymm0, ymm3
+ vpaddd ymm4, ymm4, ymm3
+ vpsrld ymm0, ymm0, SCALEBITS ; ymm0=YOL
+ vpsrld ymm4, ymm4, SCALEBITS ; ymm4=YOH
+ vpackssdw ymm0, ymm0, ymm4 ; ymm0=YO
+
+ vmovdqa ymm4, ymm6
+ vpunpcklwd ymm6, ymm6, ymm2
+ vpunpckhwd ymm4, ymm4, ymm2
+ vpmaddwd ymm6, ymm6, [GOTOFF(eax,PW_F0114_F0250)] ; ymm6=BEL*FIX(0.114)+GEL*FIX(0.250)
+ vpmaddwd ymm4, ymm4, [GOTOFF(eax,PW_F0114_F0250)] ; ymm4=BEH*FIX(0.114)+GEH*FIX(0.250)
+
+ vmovdqa ymm2, [GOTOFF(eax,PD_ONEHALF)] ; ymm2=[PD_ONEHALF]
+
+ vpaddd ymm6, ymm6, YMMWORD [wk(0)]
+ vpaddd ymm4, ymm4, YMMWORD [wk(1)]
+ vpaddd ymm6, ymm6, ymm2
+ vpaddd ymm4, ymm4, ymm2
+ vpsrld ymm6, ymm6, SCALEBITS ; ymm6=YEL
+ vpsrld ymm4, ymm4, SCALEBITS ; ymm4=YEH
+ vpackssdw ymm6, ymm6, ymm4 ; ymm6=YE
+
+ vpsllw ymm0, ymm0, BYTE_BIT
+ vpor ymm6, ymm6, ymm0 ; ymm6=Y
+ vmovdqu YMMWORD [edi], ymm6 ; Save Y
+
+ sub ecx, byte SIZEOF_YMMWORD
+ add esi, RGB_PIXELSIZE*SIZEOF_YMMWORD ; inptr
+ add edi, byte SIZEOF_YMMWORD ; outptr0
+ cmp ecx, byte SIZEOF_YMMWORD
+ jae near .columnloop
+ test ecx, ecx
+ jnz near .column_ld1
+
+ pop ecx ; col
+ pop esi
+ pop edi
+ poppic eax
+
+ add esi, byte SIZEOF_JSAMPROW ; input_buf
+ add edi, byte SIZEOF_JSAMPROW
+ dec eax ; num_rows
+ jg near .rowloop
+
+.return:
+ vzeroupper
+ pop edi
+ pop esi
+; pop edx ; need not be preserved
+; pop ecx ; need not be preserved
+ pop ebx
+ mov esp, ebp ; esp <- aligned ebp
+ pop esp ; esp <- original ebp
+ pop ebp
+ ret
+
+; For some reason, the OS X linker does not honor the request to align the
+; segment unless we do this.
+ align 32
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-18 18:43:59 +0000