Index: third_party/libjpeg_turbo/simd/jdclrss2.asm |
=================================================================== |
--- third_party/libjpeg_turbo/simd/jdclrss2.asm (revision 0) |
+++ third_party/libjpeg_turbo/simd/jdclrss2.asm (revision 0) |
@@ -0,0 +1,505 @@ |
+; |
+; jdclrss2.asm - colorspace conversion (SSE2) |
+; |
+; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB |
+; |
+; 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" |
+ |
+; -------------------------------------------------------------------------- |
+ SECTION SEG_TEXT |
+ BITS 32 |
+; |
+; Convert some rows of samples to the output colorspace. |
+; |
+; GLOBAL(void) |
+; jsimd_ycc_rgb_convert_sse2 (JDIMENSION out_width, |
+; JSAMPIMAGE input_buf, JDIMENSION input_row, |
+; JSAMPARRAY output_buf, int num_rows) |
+; |
+ |
+%define out_width(b) (b)+8 ; JDIMENSION out_width |
+%define input_buf(b) (b)+12 ; JSAMPIMAGE input_buf |
+%define input_row(b) (b)+16 ; JDIMENSION input_row |
+%define output_buf(b) (b)+20 ; JSAMPARRAY output_buf |
+%define num_rows(b) (b)+24 ; int num_rows |
+ |
+%define original_ebp ebp+0 |
+%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] |
+%define WK_NUM 2 |
+%define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr |
+ |
+ align 16 |
+ global EXTN(jsimd_ycc_rgb_convert_sse2) |
+ |
+EXTN(jsimd_ycc_rgb_convert_sse2): |
+ push ebp |
+ mov eax,esp ; eax = original ebp |
+ sub esp, byte 4 |
+ and esp, byte (-SIZEOF_XMMWORD) ; align to 128 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 [out_width(eax)] ; num_cols |
+ test ecx,ecx |
+ jz near .return |
+ |
+ push ecx |
+ |
+ mov edi, JSAMPIMAGE [input_buf(eax)] |
+ mov ecx, JDIMENSION [input_row(eax)] |
+ mov esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY] |
+ mov ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY] |
+ mov edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY] |
+ lea esi, [esi+ecx*SIZEOF_JSAMPROW] |
+ lea ebx, [ebx+ecx*SIZEOF_JSAMPROW] |
+ lea edx, [edx+ecx*SIZEOF_JSAMPROW] |
+ |
+ pop ecx |
+ |
+ mov edi, JSAMPARRAY [output_buf(eax)] |
+ mov eax, INT [num_rows(eax)] |
+ test eax,eax |
+ jle near .return |
+ alignx 16,7 |
+.rowloop: |
+ push eax |
+ push edi |
+ push edx |
+ push ebx |
+ push esi |
+ push ecx ; col |
+ |
+ mov esi, JSAMPROW [esi] ; inptr0 |
+ mov ebx, JSAMPROW [ebx] ; inptr1 |
+ mov edx, JSAMPROW [edx] ; inptr2 |
+ mov edi, JSAMPROW [edi] ; outptr |
+ movpic eax, POINTER [gotptr] ; load GOT address (eax) |
+ alignx 16,7 |
+.columnloop: |
+ |
+ movdqa xmm5, XMMWORD [ebx] ; xmm5=Cb(0123456789ABCDEF) |
+ movdqa xmm1, XMMWORD [edx] ; xmm1=Cr(0123456789ABCDEF) |
+ |
+ pcmpeqw xmm4,xmm4 |
+ pcmpeqw xmm7,xmm7 |
+ psrlw xmm4,BYTE_BIT |
+ psllw xmm7,7 ; xmm7={0xFF80 0xFF80 0xFF80 0xFF80 ..} |
+ movdqa xmm0,xmm4 ; xmm0=xmm4={0xFF 0x00 0xFF 0x00 ..} |
+ |
+ pand xmm4,xmm5 ; xmm4=Cb(02468ACE)=CbE |
+ psrlw xmm5,BYTE_BIT ; xmm5=Cb(13579BDF)=CbO |
+ pand xmm0,xmm1 ; xmm0=Cr(02468ACE)=CrE |
+ psrlw xmm1,BYTE_BIT ; xmm1=Cr(13579BDF)=CrO |
+ |
+ paddw xmm4,xmm7 |
+ paddw xmm5,xmm7 |
+ paddw xmm0,xmm7 |
+ paddw xmm1,xmm7 |
+ |
+ ; (Original) |
+ ; R = Y + 1.40200 * Cr |
+ ; G = Y - 0.34414 * Cb - 0.71414 * Cr |
+ ; B = Y + 1.77200 * Cb |
+ ; |
+ ; (This implementation) |
+ ; R = Y + 0.40200 * Cr + Cr |
+ ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr |
+ ; B = Y - 0.22800 * Cb + Cb + Cb |
+ |
+ movdqa xmm2,xmm4 ; xmm2=CbE |
+ movdqa xmm3,xmm5 ; xmm3=CbO |
+ paddw xmm4,xmm4 ; xmm4=2*CbE |
+ paddw xmm5,xmm5 ; xmm5=2*CbO |
+ movdqa xmm6,xmm0 ; xmm6=CrE |
+ movdqa xmm7,xmm1 ; xmm7=CrO |
+ paddw xmm0,xmm0 ; xmm0=2*CrE |
+ paddw xmm1,xmm1 ; xmm1=2*CrO |
+ |
+ pmulhw xmm4,[GOTOFF(eax,PW_MF0228)] ; xmm4=(2*CbE * -FIX(0.22800)) |
+ pmulhw xmm5,[GOTOFF(eax,PW_MF0228)] ; xmm5=(2*CbO * -FIX(0.22800)) |
+ pmulhw xmm0,[GOTOFF(eax,PW_F0402)] ; xmm0=(2*CrE * FIX(0.40200)) |
+ pmulhw xmm1,[GOTOFF(eax,PW_F0402)] ; xmm1=(2*CrO * FIX(0.40200)) |
+ |
+ paddw xmm4,[GOTOFF(eax,PW_ONE)] |
+ paddw xmm5,[GOTOFF(eax,PW_ONE)] |
+ psraw xmm4,1 ; xmm4=(CbE * -FIX(0.22800)) |
+ psraw xmm5,1 ; xmm5=(CbO * -FIX(0.22800)) |
+ paddw xmm0,[GOTOFF(eax,PW_ONE)] |
+ paddw xmm1,[GOTOFF(eax,PW_ONE)] |
+ psraw xmm0,1 ; xmm0=(CrE * FIX(0.40200)) |
+ psraw xmm1,1 ; xmm1=(CrO * FIX(0.40200)) |
+ |
+ paddw xmm4,xmm2 |
+ paddw xmm5,xmm3 |
+ paddw xmm4,xmm2 ; xmm4=(CbE * FIX(1.77200))=(B-Y)E |
+ paddw xmm5,xmm3 ; xmm5=(CbO * FIX(1.77200))=(B-Y)O |
+ paddw xmm0,xmm6 ; xmm0=(CrE * FIX(1.40200))=(R-Y)E |
+ paddw xmm1,xmm7 ; xmm1=(CrO * FIX(1.40200))=(R-Y)O |
+ |
+ movdqa XMMWORD [wk(0)], xmm4 ; wk(0)=(B-Y)E |
+ movdqa XMMWORD [wk(1)], xmm5 ; wk(1)=(B-Y)O |
+ |
+ movdqa xmm4,xmm2 |
+ movdqa xmm5,xmm3 |
+ punpcklwd xmm2,xmm6 |
+ punpckhwd xmm4,xmm6 |
+ pmaddwd xmm2,[GOTOFF(eax,PW_MF0344_F0285)] |
+ pmaddwd xmm4,[GOTOFF(eax,PW_MF0344_F0285)] |
+ punpcklwd xmm3,xmm7 |
+ punpckhwd xmm5,xmm7 |
+ pmaddwd xmm3,[GOTOFF(eax,PW_MF0344_F0285)] |
+ pmaddwd xmm5,[GOTOFF(eax,PW_MF0344_F0285)] |
+ |
+ paddd xmm2,[GOTOFF(eax,PD_ONEHALF)] |
+ paddd xmm4,[GOTOFF(eax,PD_ONEHALF)] |
+ psrad xmm2,SCALEBITS |
+ psrad xmm4,SCALEBITS |
+ paddd xmm3,[GOTOFF(eax,PD_ONEHALF)] |
+ paddd xmm5,[GOTOFF(eax,PD_ONEHALF)] |
+ psrad xmm3,SCALEBITS |
+ psrad xmm5,SCALEBITS |
+ |
+ packssdw xmm2,xmm4 ; xmm2=CbE*-FIX(0.344)+CrE*FIX(0.285) |
+ packssdw xmm3,xmm5 ; xmm3=CbO*-FIX(0.344)+CrO*FIX(0.285) |
+ psubw xmm2,xmm6 ; xmm2=CbE*-FIX(0.344)+CrE*-FIX(0.714)=(G-Y)E |
+ psubw xmm3,xmm7 ; xmm3=CbO*-FIX(0.344)+CrO*-FIX(0.714)=(G-Y)O |
+ |
+ movdqa xmm5, XMMWORD [esi] ; xmm5=Y(0123456789ABCDEF) |
+ |
+ pcmpeqw xmm4,xmm4 |
+ psrlw xmm4,BYTE_BIT ; xmm4={0xFF 0x00 0xFF 0x00 ..} |
+ pand xmm4,xmm5 ; xmm4=Y(02468ACE)=YE |
+ psrlw xmm5,BYTE_BIT ; xmm5=Y(13579BDF)=YO |
+ |
+ paddw xmm0,xmm4 ; xmm0=((R-Y)E+YE)=RE=R(02468ACE) |
+ paddw xmm1,xmm5 ; xmm1=((R-Y)O+YO)=RO=R(13579BDF) |
+ packuswb xmm0,xmm0 ; xmm0=R(02468ACE********) |
+ packuswb xmm1,xmm1 ; xmm1=R(13579BDF********) |
+ |
+ paddw xmm2,xmm4 ; xmm2=((G-Y)E+YE)=GE=G(02468ACE) |
+ paddw xmm3,xmm5 ; xmm3=((G-Y)O+YO)=GO=G(13579BDF) |
+ packuswb xmm2,xmm2 ; xmm2=G(02468ACE********) |
+ packuswb xmm3,xmm3 ; xmm3=G(13579BDF********) |
+ |
+ paddw xmm4, XMMWORD [wk(0)] ; xmm4=(YE+(B-Y)E)=BE=B(02468ACE) |
+ paddw xmm5, XMMWORD [wk(1)] ; xmm5=(YO+(B-Y)O)=BO=B(13579BDF) |
+ packuswb xmm4,xmm4 ; xmm4=B(02468ACE********) |
+ packuswb xmm5,xmm5 ; xmm5=B(13579BDF********) |
+ |
+%if RGB_PIXELSIZE == 3 ; --------------- |
+ |
+ ; xmmA=(00 02 04 06 08 0A 0C 0E **), xmmB=(01 03 05 07 09 0B 0D 0F **) |
+ ; xmmC=(10 12 14 16 18 1A 1C 1E **), xmmD=(11 13 15 17 19 1B 1D 1F **) |
+ ; xmmE=(20 22 24 26 28 2A 2C 2E **), xmmF=(21 23 25 27 29 2B 2D 2F **) |
+ ; xmmG=(** ** ** ** ** ** ** ** **), xmmH=(** ** ** ** ** ** ** ** **) |
+ |
+ punpcklbw xmmA,xmmC ; xmmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E) |
+ punpcklbw xmmE,xmmB ; xmmE=(20 01 22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F) |
+ punpcklbw xmmD,xmmF ; xmmD=(11 21 13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F) |
+ |
+ movdqa xmmG,xmmA |
+ movdqa xmmH,xmmA |
+ punpcklwd xmmA,xmmE ; xmmA=(00 10 20 01 02 12 22 03 04 14 24 05 06 16 26 07) |
+ punpckhwd xmmG,xmmE ; xmmG=(08 18 28 09 0A 1A 2A 0B 0C 1C 2C 0D 0E 1E 2E 0F) |
+ |
+ psrldq xmmH,2 ; xmmH=(02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E -- --) |
+ psrldq xmmE,2 ; xmmE=(22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F -- --) |
+ |
+ movdqa xmmC,xmmD |
+ movdqa xmmB,xmmD |
+ punpcklwd xmmD,xmmH ; xmmD=(11 21 02 12 13 23 04 14 15 25 06 16 17 27 08 18) |
+ punpckhwd xmmC,xmmH ; xmmC=(19 29 0A 1A 1B 2B 0C 1C 1D 2D 0E 1E 1F 2F -- --) |
+ |
+ psrldq xmmB,2 ; xmmB=(13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F -- --) |
+ |
+ movdqa xmmF,xmmE |
+ punpcklwd xmmE,xmmB ; xmmE=(22 03 13 23 24 05 15 25 26 07 17 27 28 09 19 29) |
+ punpckhwd xmmF,xmmB ; xmmF=(2A 0B 1B 2B 2C 0D 1D 2D 2E 0F 1F 2F -- -- -- --) |
+ |
+ pshufd xmmH,xmmA,0x4E; xmmH=(04 14 24 05 06 16 26 07 00 10 20 01 02 12 22 03) |
+ movdqa xmmB,xmmE |
+ punpckldq xmmA,xmmD ; xmmA=(00 10 20 01 11 21 02 12 02 12 22 03 13 23 04 14) |
+ punpckldq xmmE,xmmH ; xmmE=(22 03 13 23 04 14 24 05 24 05 15 25 06 16 26 07) |
+ punpckhdq xmmD,xmmB ; xmmD=(15 25 06 16 26 07 17 27 17 27 08 18 28 09 19 29) |
+ |
+ pshufd xmmH,xmmG,0x4E; xmmH=(0C 1C 2C 0D 0E 1E 2E 0F 08 18 28 09 0A 1A 2A 0B) |
+ movdqa xmmB,xmmF |
+ punpckldq xmmG,xmmC ; xmmG=(08 18 28 09 19 29 0A 1A 0A 1A 2A 0B 1B 2B 0C 1C) |
+ punpckldq xmmF,xmmH ; xmmF=(2A 0B 1B 2B 0C 1C 2C 0D 2C 0D 1D 2D 0E 1E 2E 0F) |
+ punpckhdq xmmC,xmmB ; xmmC=(1D 2D 0E 1E 2E 0F 1F 2F 1F 2F -- -- -- -- -- --) |
+ |
+ punpcklqdq xmmA,xmmE ; xmmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05) |
+ punpcklqdq xmmD,xmmG ; xmmD=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A) |
+ punpcklqdq xmmF,xmmC ; xmmF=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F) |
+ |
+ cmp ecx, byte SIZEOF_XMMWORD |
+ jb short .column_st32 |
+ |
+ test edi, SIZEOF_XMMWORD-1 |
+ jnz short .out1 |
+ ; --(aligned)------------------- |
+ movntdq XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA |
+ movntdq XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD |
+ movntdq XMMWORD [edi+2*SIZEOF_XMMWORD], xmmF |
+ add edi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr |
+ jmp short .out0 |
+.out1: ; --(unaligned)----------------- |
+ pcmpeqb xmmH,xmmH ; xmmH=(all 1's) |
+ maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [edi], xmmA |
+ add edi, byte SIZEOF_XMMWORD ; outptr |
+ maskmovdqu xmmD,xmmH ; movntdqu XMMWORD [edi], xmmD |
+ add edi, byte SIZEOF_XMMWORD ; outptr |
+ maskmovdqu xmmF,xmmH ; movntdqu XMMWORD [edi], xmmF |
+ add edi, byte SIZEOF_XMMWORD ; outptr |
+.out0: |
+ sub ecx, byte SIZEOF_XMMWORD |
+ jz near .nextrow |
+ |
+ add esi, byte SIZEOF_XMMWORD ; inptr0 |
+ add ebx, byte SIZEOF_XMMWORD ; inptr1 |
+ add edx, byte SIZEOF_XMMWORD ; inptr2 |
+ jmp near .columnloop |
+ alignx 16,7 |
+ |
+.column_st32: |
+ pcmpeqb xmmH,xmmH ; xmmH=(all 1's) |
+ lea ecx, [ecx+ecx*2] ; imul ecx, RGB_PIXELSIZE |
+ cmp ecx, byte 2*SIZEOF_XMMWORD |
+ jb short .column_st16 |
+ maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [edi], xmmA |
+ add edi, byte SIZEOF_XMMWORD ; outptr |
+ maskmovdqu xmmD,xmmH ; movntdqu XMMWORD [edi], xmmD |
+ add edi, byte SIZEOF_XMMWORD ; outptr |
+ movdqa xmmA,xmmF |
+ sub ecx, byte 2*SIZEOF_XMMWORD |
+ jmp short .column_st15 |
+.column_st16: |
+ cmp ecx, byte SIZEOF_XMMWORD |
+ jb short .column_st15 |
+ maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [edi], xmmA |
+ add edi, byte SIZEOF_XMMWORD ; outptr |
+ movdqa xmmA,xmmD |
+ sub ecx, byte SIZEOF_XMMWORD |
+.column_st15: |
+ mov eax,ecx |
+ xor ecx, byte 0x0F |
+ shl ecx, 2 |
+ movd xmmB,ecx |
+ psrlq xmmH,4 |
+ pcmpeqb xmmE,xmmE |
+ psrlq xmmH,xmmB |
+ psrlq xmmE,xmmB |
+ punpcklbw xmmE,xmmH |
+ ; ---------------- |
+ mov ecx,edi |
+ and ecx, byte SIZEOF_XMMWORD-1 |
+ jz short .adj0 |
+ add eax,ecx |
+ cmp eax, byte SIZEOF_XMMWORD |
+ ja short .adj0 |
+ and edi, byte (-SIZEOF_XMMWORD) ; align to 16-byte boundary |
+ shl ecx, 3 ; pslldq xmmA,ecx & pslldq xmmE,ecx |
+ movdqa xmmG,xmmA |
+ movdqa xmmC,xmmE |
+ pslldq xmmA, SIZEOF_XMMWORD/2 |
+ pslldq xmmE, SIZEOF_XMMWORD/2 |
+ movd xmmD,ecx |
+ sub ecx, byte (SIZEOF_XMMWORD/2)*BYTE_BIT |
+ jb short .adj1 |
+ movd xmmF,ecx |
+ psllq xmmA,xmmF |
+ psllq xmmE,xmmF |
+ jmp short .adj0 |
+.adj1: neg ecx |
+ movd xmmF,ecx |
+ psrlq xmmA,xmmF |
+ psrlq xmmE,xmmF |
+ psllq xmmG,xmmD |
+ psllq xmmC,xmmD |
+ por xmmA,xmmG |
+ por xmmE,xmmC |
+.adj0: ; ---------------- |
+ maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA |
+ |
+%else ; RGB_PIXELSIZE == 4 ; ----------- |
+ |
+%ifdef RGBX_FILLER_0XFF |
+ pcmpeqb xmm6,xmm6 ; xmm6=XE=X(02468ACE********) |
+ pcmpeqb xmm7,xmm7 ; xmm7=XO=X(13579BDF********) |
+%else |
+ pxor xmm6,xmm6 ; xmm6=XE=X(02468ACE********) |
+ pxor xmm7,xmm7 ; xmm7=XO=X(13579BDF********) |
+%endif |
+ ; xmmA=(00 02 04 06 08 0A 0C 0E **), xmmB=(01 03 05 07 09 0B 0D 0F **) |
+ ; xmmC=(10 12 14 16 18 1A 1C 1E **), xmmD=(11 13 15 17 19 1B 1D 1F **) |
+ ; xmmE=(20 22 24 26 28 2A 2C 2E **), xmmF=(21 23 25 27 29 2B 2D 2F **) |
+ ; xmmG=(30 32 34 36 38 3A 3C 3E **), xmmH=(31 33 35 37 39 3B 3D 3F **) |
+ |
+ punpcklbw xmmA,xmmC ; xmmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E) |
+ punpcklbw xmmE,xmmG ; xmmE=(20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3C 2E 3E) |
+ punpcklbw xmmB,xmmD ; xmmB=(01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1D 0F 1F) |
+ punpcklbw xmmF,xmmH ; xmmF=(21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3D 2F 3F) |
+ |
+ movdqa xmmC,xmmA |
+ punpcklwd xmmA,xmmE ; xmmA=(00 10 20 30 02 12 22 32 04 14 24 34 06 16 26 36) |
+ punpckhwd xmmC,xmmE ; xmmC=(08 18 28 38 0A 1A 2A 3A 0C 1C 2C 3C 0E 1E 2E 3E) |
+ movdqa xmmG,xmmB |
+ punpcklwd xmmB,xmmF ; xmmB=(01 11 21 31 03 13 23 33 05 15 25 35 07 17 27 37) |
+ punpckhwd xmmG,xmmF ; xmmG=(09 19 29 39 0B 1B 2B 3B 0D 1D 2D 3D 0F 1F 2F 3F) |
+ |
+ movdqa xmmD,xmmA |
+ punpckldq xmmA,xmmB ; xmmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33) |
+ punpckhdq xmmD,xmmB ; xmmD=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37) |
+ movdqa xmmH,xmmC |
+ punpckldq xmmC,xmmG ; xmmC=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B) |
+ punpckhdq xmmH,xmmG ; xmmH=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F) |
+ |
+ cmp ecx, byte SIZEOF_XMMWORD |
+ jb short .column_st32 |
+ |
+ test edi, SIZEOF_XMMWORD-1 |
+ jnz short .out1 |
+ ; --(aligned)------------------- |
+ movntdq XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA |
+ movntdq XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD |
+ movntdq XMMWORD [edi+2*SIZEOF_XMMWORD], xmmC |
+ movntdq XMMWORD [edi+3*SIZEOF_XMMWORD], xmmH |
+ add edi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr |
+ jmp short .out0 |
+.out1: ; --(unaligned)----------------- |
+ pcmpeqb xmmE,xmmE ; xmmE=(all 1's) |
+ maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA |
+ add edi, byte SIZEOF_XMMWORD ; outptr |
+ maskmovdqu xmmD,xmmE ; movntdqu XMMWORD [edi], xmmD |
+ add edi, byte SIZEOF_XMMWORD ; outptr |
+ maskmovdqu xmmC,xmmE ; movntdqu XMMWORD [edi], xmmC |
+ add edi, byte SIZEOF_XMMWORD ; outptr |
+ maskmovdqu xmmH,xmmE ; movntdqu XMMWORD [edi], xmmH |
+ add edi, byte SIZEOF_XMMWORD ; outptr |
+.out0: |
+ sub ecx, byte SIZEOF_XMMWORD |
+ jz near .nextrow |
+ |
+ add esi, byte SIZEOF_XMMWORD ; inptr0 |
+ add ebx, byte SIZEOF_XMMWORD ; inptr1 |
+ add edx, byte SIZEOF_XMMWORD ; inptr2 |
+ jmp near .columnloop |
+ alignx 16,7 |
+ |
+.column_st32: |
+ pcmpeqb xmmE,xmmE ; xmmE=(all 1's) |
+ cmp ecx, byte SIZEOF_XMMWORD/2 |
+ jb short .column_st16 |
+ maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA |
+ add edi, byte SIZEOF_XMMWORD ; outptr |
+ maskmovdqu xmmD,xmmE ; movntdqu XMMWORD [edi], xmmD |
+ add edi, byte SIZEOF_XMMWORD ; outptr |
+ movdqa xmmA,xmmC |
+ movdqa xmmD,xmmH |
+ sub ecx, byte SIZEOF_XMMWORD/2 |
+.column_st16: |
+ cmp ecx, byte SIZEOF_XMMWORD/4 |
+ jb short .column_st15 |
+ maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA |
+ add edi, byte SIZEOF_XMMWORD ; outptr |
+ movdqa xmmA,xmmD |
+ sub ecx, byte SIZEOF_XMMWORD/4 |
+.column_st15: |
+ cmp ecx, byte SIZEOF_XMMWORD/16 |
+ jb short .nextrow |
+ mov eax,ecx |
+ xor ecx, byte 0x03 |
+ inc ecx |
+ shl ecx, 4 |
+ movd xmmF,ecx |
+ psrlq xmmE,xmmF |
+ punpcklbw xmmE,xmmE |
+ ; ---------------- |
+ mov ecx,edi |
+ and ecx, byte SIZEOF_XMMWORD-1 |
+ jz short .adj0 |
+ lea eax, [ecx+eax*4] ; RGB_PIXELSIZE |
+ cmp eax, byte SIZEOF_XMMWORD |
+ ja short .adj0 |
+ and edi, byte (-SIZEOF_XMMWORD) ; align to 16-byte boundary |
+ shl ecx, 3 ; pslldq xmmA,ecx & pslldq xmmE,ecx |
+ movdqa xmmB,xmmA |
+ movdqa xmmG,xmmE |
+ pslldq xmmA, SIZEOF_XMMWORD/2 |
+ pslldq xmmE, SIZEOF_XMMWORD/2 |
+ movd xmmC,ecx |
+ sub ecx, byte (SIZEOF_XMMWORD/2)*BYTE_BIT |
+ jb short .adj1 |
+ movd xmmH,ecx |
+ psllq xmmA,xmmH |
+ psllq xmmE,xmmH |
+ jmp short .adj0 |
+.adj1: neg ecx |
+ movd xmmH,ecx |
+ psrlq xmmA,xmmH |
+ psrlq xmmE,xmmH |
+ psllq xmmB,xmmC |
+ psllq xmmG,xmmC |
+ por xmmA,xmmB |
+ por xmmE,xmmG |
+.adj0: ; ---------------- |
+ maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA |
+ |
+%endif ; RGB_PIXELSIZE ; --------------- |
+ |
+ alignx 16,7 |
+ |
+.nextrow: |
+ pop ecx |
+ pop esi |
+ pop ebx |
+ pop edx |
+ pop edi |
+ pop eax |
+ |
+ add esi, byte SIZEOF_JSAMPROW |
+ add ebx, byte SIZEOF_JSAMPROW |
+ add edx, byte SIZEOF_JSAMPROW |
+ add edi, byte SIZEOF_JSAMPROW ; output_buf |
+ dec eax ; num_rows |
+ jg near .rowloop |
+ |
+ sfence ; flush the write buffer |
+ |
+.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 |