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Unified Diff: simd/jdclrss2.asm

Issue 10700197: Update libjpeg-turbo to r856. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libjpeg_turbo/
Patch Set: Created 8 years, 5 months ago
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Index: simd/jdclrss2.asm
===================================================================
--- simd/jdclrss2.asm (revision 144411)
+++ simd/jdclrss2.asm (working copy)
@@ -1,7 +1,7 @@
;
; jdclrss2.asm - colorspace conversion (SSE2)
;
-; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
+; Copyright 2009, 2012 Pierre Ossman <ossman@cendio.se> for Cendio AB
;
; Based on
; x86 SIMD extension for IJG JPEG library
@@ -262,17 +262,13 @@
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
+ movdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA
+ movdqu XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD
+ movdqu XMMWORD [edi+2*SIZEOF_XMMWORD], xmmF
.out0:
+ add edi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr
sub ecx, byte SIZEOF_XMMWORD
jz near .nextrow
@@ -283,26 +279,23 @@
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
+ movdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA
+ movdqu XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD
+ add edi, byte 2*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
+ movdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA
add edi, byte SIZEOF_XMMWORD ; outptr
movdqa xmmA,xmmD
sub ecx, byte SIZEOF_XMMWORD
.column_st15:
-%ifdef STRICT_MEMORY_ACCESS
; Store the lower 8 bytes of xmmA to the output when it has enough
; space.
cmp ecx, byte SIZEOF_MMWORD
@@ -336,47 +329,6 @@
test ecx, ecx
jz short .nextrow
mov BYTE [edi], al
-%else
- 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
-%endif ; STRICT_MEMORY_ACCESS ; ---------------
%else ; RGB_PIXELSIZE == 4 ; -----------
@@ -421,19 +373,14 @@
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
+ movdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA
+ movdqu XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD
+ movdqu XMMWORD [edi+2*SIZEOF_XMMWORD], xmmC
+ movdqu XMMWORD [edi+3*SIZEOF_XMMWORD], xmmH
.out0:
+ add edi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr
sub ecx, byte SIZEOF_XMMWORD
jz near .nextrow
@@ -444,25 +391,22 @@
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
+ movdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA
+ movdqu XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD
+ add edi, byte 2*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
+ movdqu XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA
add edi, byte SIZEOF_XMMWORD ; outptr
movdqa xmmA,xmmD
sub ecx, byte SIZEOF_XMMWORD/4
.column_st15:
-%ifdef STRICT_MEMORY_ACCESS
; Store two pixels (8 bytes) of xmmA to the output when it has enough
; space.
cmp ecx, byte SIZEOF_XMMWORD/8
@@ -477,47 +421,6 @@
test ecx, ecx
jz short .nextrow
movd DWORD [edi], xmmA
-%else
- 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 ; STRICT_MEMORY_ACCESS ; ---------------
%endif ; RGB_PIXELSIZE ; ---------------
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