| Index: third_party/libjpeg_turbo/simd/jcgrymmx.asm
|
| ===================================================================
|
| --- third_party/libjpeg_turbo/simd/jcgrymmx.asm (revision 0)
|
| +++ third_party/libjpeg_turbo/simd/jcgrymmx.asm (revision 0)
|
| @@ -0,0 +1,357 @@
|
| +;
|
| +; jcgrymmx.asm - grayscale colorspace conversion (MMX)
|
| +;
|
| +; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
|
| +; Copyright 2011 D. R. Commander
|
| +;
|
| +; Based on
|
| +; 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
|
| +;
|
| +; [TAB8]
|
| +
|
| +%include "jcolsamp.inc"
|
| +
|
| +; --------------------------------------------------------------------------
|
| +;
|
| +; Convert some rows of samples to the output colorspace.
|
| +;
|
| +; GLOBAL(void)
|
| +; jsimd_rgb_gray_convert_mmx (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_MMWORD ; mmword wk[WK_NUM]
|
| +%define WK_NUM 2
|
| +%define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr
|
| +
|
| + align 16
|
| + global EXTN(jsimd_rgb_gray_convert_mmx) PRIVATE
|
| +
|
| +EXTN(jsimd_rgb_gray_convert_mmx):
|
| + push ebp
|
| + mov eax,esp ; eax = original ebp
|
| + sub esp, byte 4
|
| + and esp, byte (-SIZEOF_MMWORD) ; align to 64 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)] ; num_cols
|
| + 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_MMWORD
|
| + jae short .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
|
| + xor eax,eax
|
| + mov al, BYTE [esi+ecx]
|
| +.column_ld2:
|
| + test cl, SIZEOF_WORD
|
| + jz short .column_ld4
|
| + sub ecx, byte SIZEOF_WORD
|
| + xor edx,edx
|
| + mov dx, WORD [esi+ecx]
|
| + shl eax, WORD_BIT
|
| + or eax,edx
|
| +.column_ld4:
|
| + movd mmA,eax
|
| + pop edx
|
| + pop eax
|
| + test cl, SIZEOF_DWORD
|
| + jz short .column_ld8
|
| + sub ecx, byte SIZEOF_DWORD
|
| + movd mmG, DWORD [esi+ecx]
|
| + psllq mmA, DWORD_BIT
|
| + por mmA,mmG
|
| +.column_ld8:
|
| + test cl, SIZEOF_MMWORD
|
| + jz short .column_ld16
|
| + movq mmG,mmA
|
| + movq mmA, MMWORD [esi+0*SIZEOF_MMWORD]
|
| + mov ecx, SIZEOF_MMWORD
|
| + jmp short .rgb_gray_cnv
|
| +.column_ld16:
|
| + test cl, 2*SIZEOF_MMWORD
|
| + mov ecx, SIZEOF_MMWORD
|
| + jz short .rgb_gray_cnv
|
| + movq mmF,mmA
|
| + movq mmA, MMWORD [esi+0*SIZEOF_MMWORD]
|
| + movq mmG, MMWORD [esi+1*SIZEOF_MMWORD]
|
| + jmp short .rgb_gray_cnv
|
| + alignx 16,7
|
| +
|
| +.columnloop:
|
| + movq mmA, MMWORD [esi+0*SIZEOF_MMWORD]
|
| + movq mmG, MMWORD [esi+1*SIZEOF_MMWORD]
|
| + movq mmF, MMWORD [esi+2*SIZEOF_MMWORD]
|
| +
|
| +.rgb_gray_cnv:
|
| + ; mmA=(00 10 20 01 11 21 02 12)
|
| + ; mmG=(22 03 13 23 04 14 24 05)
|
| + ; mmF=(15 25 06 16 26 07 17 27)
|
| +
|
| + movq mmD,mmA
|
| + psllq mmA,4*BYTE_BIT ; mmA=(-- -- -- -- 00 10 20 01)
|
| + psrlq mmD,4*BYTE_BIT ; mmD=(11 21 02 12 -- -- -- --)
|
| +
|
| + punpckhbw mmA,mmG ; mmA=(00 04 10 14 20 24 01 05)
|
| + psllq mmG,4*BYTE_BIT ; mmG=(-- -- -- -- 22 03 13 23)
|
| +
|
| + punpcklbw mmD,mmF ; mmD=(11 15 21 25 02 06 12 16)
|
| + punpckhbw mmG,mmF ; mmG=(22 26 03 07 13 17 23 27)
|
| +
|
| + movq mmE,mmA
|
| + psllq mmA,4*BYTE_BIT ; mmA=(-- -- -- -- 00 04 10 14)
|
| + psrlq mmE,4*BYTE_BIT ; mmE=(20 24 01 05 -- -- -- --)
|
| +
|
| + punpckhbw mmA,mmD ; mmA=(00 02 04 06 10 12 14 16)
|
| + psllq mmD,4*BYTE_BIT ; mmD=(-- -- -- -- 11 15 21 25)
|
| +
|
| + punpcklbw mmE,mmG ; mmE=(20 22 24 26 01 03 05 07)
|
| + punpckhbw mmD,mmG ; mmD=(11 13 15 17 21 23 25 27)
|
| +
|
| + pxor mmH,mmH
|
| +
|
| + movq mmC,mmA
|
| + punpcklbw mmA,mmH ; mmA=(00 02 04 06)
|
| + punpckhbw mmC,mmH ; mmC=(10 12 14 16)
|
| +
|
| + movq mmB,mmE
|
| + punpcklbw mmE,mmH ; mmE=(20 22 24 26)
|
| + punpckhbw mmB,mmH ; mmB=(01 03 05 07)
|
| +
|
| + movq mmF,mmD
|
| + punpcklbw mmD,mmH ; mmD=(11 13 15 17)
|
| + punpckhbw mmF,mmH ; mmF=(21 23 25 27)
|
| +
|
| +%else ; RGB_PIXELSIZE == 4 ; -----------
|
| +
|
| +.column_ld1:
|
| + test cl, SIZEOF_MMWORD/8
|
| + jz short .column_ld2
|
| + sub ecx, byte SIZEOF_MMWORD/8
|
| + movd mmA, DWORD [esi+ecx*RGB_PIXELSIZE]
|
| +.column_ld2:
|
| + test cl, SIZEOF_MMWORD/4
|
| + jz short .column_ld4
|
| + sub ecx, byte SIZEOF_MMWORD/4
|
| + movq mmF,mmA
|
| + movq mmA, MMWORD [esi+ecx*RGB_PIXELSIZE]
|
| +.column_ld4:
|
| + test cl, SIZEOF_MMWORD/2
|
| + mov ecx, SIZEOF_MMWORD
|
| + jz short .rgb_gray_cnv
|
| + movq mmD,mmA
|
| + movq mmC,mmF
|
| + movq mmA, MMWORD [esi+0*SIZEOF_MMWORD]
|
| + movq mmF, MMWORD [esi+1*SIZEOF_MMWORD]
|
| + jmp short .rgb_gray_cnv
|
| + alignx 16,7
|
| +
|
| +.columnloop:
|
| + movq mmA, MMWORD [esi+0*SIZEOF_MMWORD]
|
| + movq mmF, MMWORD [esi+1*SIZEOF_MMWORD]
|
| + movq mmD, MMWORD [esi+2*SIZEOF_MMWORD]
|
| + movq mmC, MMWORD [esi+3*SIZEOF_MMWORD]
|
| +
|
| +.rgb_gray_cnv:
|
| + ; mmA=(00 10 20 30 01 11 21 31)
|
| + ; mmF=(02 12 22 32 03 13 23 33)
|
| + ; mmD=(04 14 24 34 05 15 25 35)
|
| + ; mmC=(06 16 26 36 07 17 27 37)
|
| +
|
| + movq mmB,mmA
|
| + punpcklbw mmA,mmF ; mmA=(00 02 10 12 20 22 30 32)
|
| + punpckhbw mmB,mmF ; mmB=(01 03 11 13 21 23 31 33)
|
| +
|
| + movq mmG,mmD
|
| + punpcklbw mmD,mmC ; mmD=(04 06 14 16 24 26 34 36)
|
| + punpckhbw mmG,mmC ; mmG=(05 07 15 17 25 27 35 37)
|
| +
|
| + movq mmE,mmA
|
| + punpcklwd mmA,mmD ; mmA=(00 02 04 06 10 12 14 16)
|
| + punpckhwd mmE,mmD ; mmE=(20 22 24 26 30 32 34 36)
|
| +
|
| + movq mmH,mmB
|
| + punpcklwd mmB,mmG ; mmB=(01 03 05 07 11 13 15 17)
|
| + punpckhwd mmH,mmG ; mmH=(21 23 25 27 31 33 35 37)
|
| +
|
| + pxor mmF,mmF
|
| +
|
| + movq mmC,mmA
|
| + punpcklbw mmA,mmF ; mmA=(00 02 04 06)
|
| + punpckhbw mmC,mmF ; mmC=(10 12 14 16)
|
| +
|
| + movq mmD,mmB
|
| + punpcklbw mmB,mmF ; mmB=(01 03 05 07)
|
| + punpckhbw mmD,mmF ; mmD=(11 13 15 17)
|
| +
|
| + movq mmG,mmE
|
| + punpcklbw mmE,mmF ; mmE=(20 22 24 26)
|
| + punpckhbw mmG,mmF ; mmG=(30 32 34 36)
|
| +
|
| + punpcklbw mmF,mmH
|
| + punpckhbw mmH,mmH
|
| + psrlw mmF,BYTE_BIT ; mmF=(21 23 25 27)
|
| + psrlw mmH,BYTE_BIT ; mmH=(31 33 35 37)
|
| +
|
| +%endif ; RGB_PIXELSIZE ; ---------------
|
| +
|
| + ; mm0=(R0 R2 R4 R6)=RE, mm2=(G0 G2 G4 G6)=GE, mm4=(B0 B2 B4 B6)=BE
|
| + ; mm1=(R1 R3 R5 R7)=RO, mm3=(G1 G3 G5 G7)=GO, mm5=(B1 B3 B5 B7)=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
|
| +
|
| + movq mm6,mm1
|
| + punpcklwd mm1,mm3
|
| + punpckhwd mm6,mm3
|
| + pmaddwd mm1,[GOTOFF(eax,PW_F0299_F0337)] ; mm1=ROL*FIX(0.299)+GOL*FIX(0.337)
|
| + pmaddwd mm6,[GOTOFF(eax,PW_F0299_F0337)] ; mm6=ROH*FIX(0.299)+GOH*FIX(0.337)
|
| +
|
| + movq mm7, mm6 ; mm7=ROH*FIX(0.299)+GOH*FIX(0.337)
|
| +
|
| + movq mm6,mm0
|
| + punpcklwd mm0,mm2
|
| + punpckhwd mm6,mm2
|
| + pmaddwd mm0,[GOTOFF(eax,PW_F0299_F0337)] ; mm0=REL*FIX(0.299)+GEL*FIX(0.337)
|
| + pmaddwd mm6,[GOTOFF(eax,PW_F0299_F0337)] ; mm6=REH*FIX(0.299)+GEH*FIX(0.337)
|
| +
|
| + movq MMWORD [wk(0)], mm0 ; wk(0)=REL*FIX(0.299)+GEL*FIX(0.337)
|
| + movq MMWORD [wk(1)], mm6 ; wk(1)=REH*FIX(0.299)+GEH*FIX(0.337)
|
| +
|
| + movq mm0, mm5 ; mm0=BO
|
| + movq mm6, mm4 ; mm6=BE
|
| +
|
| + movq mm4,mm0
|
| + punpcklwd mm0,mm3
|
| + punpckhwd mm4,mm3
|
| + pmaddwd mm0,[GOTOFF(eax,PW_F0114_F0250)] ; mm0=BOL*FIX(0.114)+GOL*FIX(0.250)
|
| + pmaddwd mm4,[GOTOFF(eax,PW_F0114_F0250)] ; mm4=BOH*FIX(0.114)+GOH*FIX(0.250)
|
| +
|
| + movq mm3,[GOTOFF(eax,PD_ONEHALF)] ; mm3=[PD_ONEHALF]
|
| +
|
| + paddd mm0, mm1
|
| + paddd mm4, mm7
|
| + paddd mm0,mm3
|
| + paddd mm4,mm3
|
| + psrld mm0,SCALEBITS ; mm0=YOL
|
| + psrld mm4,SCALEBITS ; mm4=YOH
|
| + packssdw mm0,mm4 ; mm0=YO
|
| +
|
| + movq mm4,mm6
|
| + punpcklwd mm6,mm2
|
| + punpckhwd mm4,mm2
|
| + pmaddwd mm6,[GOTOFF(eax,PW_F0114_F0250)] ; mm6=BEL*FIX(0.114)+GEL*FIX(0.250)
|
| + pmaddwd mm4,[GOTOFF(eax,PW_F0114_F0250)] ; mm4=BEH*FIX(0.114)+GEH*FIX(0.250)
|
| +
|
| + movq mm2,[GOTOFF(eax,PD_ONEHALF)] ; mm2=[PD_ONEHALF]
|
| +
|
| + paddd mm6, MMWORD [wk(0)]
|
| + paddd mm4, MMWORD [wk(1)]
|
| + paddd mm6,mm2
|
| + paddd mm4,mm2
|
| + psrld mm6,SCALEBITS ; mm6=YEL
|
| + psrld mm4,SCALEBITS ; mm4=YEH
|
| + packssdw mm6,mm4 ; mm6=YE
|
| +
|
| + psllw mm0,BYTE_BIT
|
| + por mm6,mm0 ; mm6=Y
|
| + movq MMWORD [edi], mm6 ; Save Y
|
| +
|
| + sub ecx, byte SIZEOF_MMWORD
|
| + add esi, byte RGB_PIXELSIZE*SIZEOF_MMWORD ; inptr
|
| + add edi, byte SIZEOF_MMWORD ; outptr0
|
| + cmp ecx, byte SIZEOF_MMWORD
|
| + 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
|
| +
|
| + emms ; empty MMX state
|
| +
|
| +.return:
|
| + 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 16
|
|
|
| Property changes on: third_party/libjpeg_turbo/simd/jcgrymmx.asm
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|