Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(611)

Unified Diff: simd/jcqnts2i.asm

Issue 1953443002: Update to libjpeg_turbo 1.4.90 (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/libjpeg_turbo.git@master
Patch Set: Created 4 years, 7 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « simd/jcqnts2f-64.asm ('k') | simd/jcqnts2i-64.asm » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: simd/jcqnts2i.asm
diff --git a/simd/jcqnts2i.asm b/simd/jcqnts2i.asm
deleted file mode 100644
index 412032b1504c9e8395d9c9079eac3c04d0143cf7..0000000000000000000000000000000000000000
--- a/simd/jcqnts2i.asm
+++ /dev/null
@@ -1,200 +0,0 @@
-;
-; jcqnts2i.asm - sample data conversion and quantization (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 "jsimdext.inc"
-%include "jdct.inc"
-
-; --------------------------------------------------------------------------
- SECTION SEG_TEXT
- BITS 32
-;
-; Load data into workspace, applying unsigned->signed conversion
-;
-; GLOBAL(void)
-; jsimd_convsamp_sse2 (JSAMPARRAY sample_data, JDIMENSION start_col,
-; DCTELEM * workspace);
-;
-
-%define sample_data ebp+8 ; JSAMPARRAY sample_data
-%define start_col ebp+12 ; JDIMENSION start_col
-%define workspace ebp+16 ; DCTELEM * workspace
-
- align 16
- global EXTN(jsimd_convsamp_sse2) PRIVATE
-
-EXTN(jsimd_convsamp_sse2):
- push ebp
- mov ebp,esp
- push ebx
-; push ecx ; need not be preserved
-; push edx ; need not be preserved
- push esi
- push edi
-
- pxor xmm6,xmm6 ; xmm6=(all 0's)
- pcmpeqw xmm7,xmm7
- psllw xmm7,7 ; xmm7={0xFF80 0xFF80 0xFF80 0xFF80 ..}
-
- mov esi, JSAMPARRAY [sample_data] ; (JSAMPROW *)
- mov eax, JDIMENSION [start_col]
- mov edi, POINTER [workspace] ; (DCTELEM *)
- mov ecx, DCTSIZE/4
- alignx 16,7
-.convloop:
- mov ebx, JSAMPROW [esi+0*SIZEOF_JSAMPROW] ; (JSAMPLE *)
- mov edx, JSAMPROW [esi+1*SIZEOF_JSAMPROW] ; (JSAMPLE *)
-
- movq xmm0, XMM_MMWORD [ebx+eax*SIZEOF_JSAMPLE] ; xmm0=(01234567)
- movq xmm1, XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE] ; xmm1=(89ABCDEF)
-
- mov ebx, JSAMPROW [esi+2*SIZEOF_JSAMPROW] ; (JSAMPLE *)
- mov edx, JSAMPROW [esi+3*SIZEOF_JSAMPROW] ; (JSAMPLE *)
-
- movq xmm2, XMM_MMWORD [ebx+eax*SIZEOF_JSAMPLE] ; xmm2=(GHIJKLMN)
- movq xmm3, XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE] ; xmm3=(OPQRSTUV)
-
- punpcklbw xmm0,xmm6 ; xmm0=(01234567)
- punpcklbw xmm1,xmm6 ; xmm1=(89ABCDEF)
- paddw xmm0,xmm7
- paddw xmm1,xmm7
- punpcklbw xmm2,xmm6 ; xmm2=(GHIJKLMN)
- punpcklbw xmm3,xmm6 ; xmm3=(OPQRSTUV)
- paddw xmm2,xmm7
- paddw xmm3,xmm7
-
- movdqa XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_DCTELEM)], xmm0
- movdqa XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_DCTELEM)], xmm1
- movdqa XMMWORD [XMMBLOCK(2,0,edi,SIZEOF_DCTELEM)], xmm2
- movdqa XMMWORD [XMMBLOCK(3,0,edi,SIZEOF_DCTELEM)], xmm3
-
- add esi, byte 4*SIZEOF_JSAMPROW
- add edi, byte 4*DCTSIZE*SIZEOF_DCTELEM
- dec ecx
- jnz short .convloop
-
- pop edi
- pop esi
-; pop edx ; need not be preserved
-; pop ecx ; need not be preserved
- pop ebx
- pop ebp
- ret
-
-; --------------------------------------------------------------------------
-;
-; Quantize/descale the coefficients, and store into coef_block
-;
-; This implementation is based on an algorithm described in
-; "How to optimize for the Pentium family of microprocessors"
-; (http://www.agner.org/assem/).
-;
-; GLOBAL(void)
-; jsimd_quantize_sse2 (JCOEFPTR coef_block, DCTELEM * divisors,
-; DCTELEM * workspace);
-;
-
-%define RECIPROCAL(m,n,b) XMMBLOCK(DCTSIZE*0+(m),(n),(b),SIZEOF_DCTELEM)
-%define CORRECTION(m,n,b) XMMBLOCK(DCTSIZE*1+(m),(n),(b),SIZEOF_DCTELEM)
-%define SCALE(m,n,b) XMMBLOCK(DCTSIZE*2+(m),(n),(b),SIZEOF_DCTELEM)
-
-%define coef_block ebp+8 ; JCOEFPTR coef_block
-%define divisors ebp+12 ; DCTELEM * divisors
-%define workspace ebp+16 ; DCTELEM * workspace
-
- align 16
- global EXTN(jsimd_quantize_sse2) PRIVATE
-
-EXTN(jsimd_quantize_sse2):
- push ebp
- mov ebp,esp
-; push ebx ; unused
-; push ecx ; unused
-; push edx ; need not be preserved
- push esi
- push edi
-
- mov esi, POINTER [workspace]
- mov edx, POINTER [divisors]
- mov edi, JCOEFPTR [coef_block]
- mov eax, DCTSIZE2/32
- alignx 16,7
-.quantloop:
- movdqa xmm4, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_DCTELEM)]
- movdqa xmm5, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_DCTELEM)]
- movdqa xmm6, XMMWORD [XMMBLOCK(2,0,esi,SIZEOF_DCTELEM)]
- movdqa xmm7, XMMWORD [XMMBLOCK(3,0,esi,SIZEOF_DCTELEM)]
- movdqa xmm0,xmm4
- movdqa xmm1,xmm5
- movdqa xmm2,xmm6
- movdqa xmm3,xmm7
- psraw xmm4,(WORD_BIT-1)
- psraw xmm5,(WORD_BIT-1)
- psraw xmm6,(WORD_BIT-1)
- psraw xmm7,(WORD_BIT-1)
- pxor xmm0,xmm4
- pxor xmm1,xmm5
- pxor xmm2,xmm6
- pxor xmm3,xmm7
- psubw xmm0,xmm4 ; if (xmm0 < 0) xmm0 = -xmm0;
- psubw xmm1,xmm5 ; if (xmm1 < 0) xmm1 = -xmm1;
- psubw xmm2,xmm6 ; if (xmm2 < 0) xmm2 = -xmm2;
- psubw xmm3,xmm7 ; if (xmm3 < 0) xmm3 = -xmm3;
-
- paddw xmm0, XMMWORD [CORRECTION(0,0,edx)] ; correction + roundfactor
- paddw xmm1, XMMWORD [CORRECTION(1,0,edx)]
- paddw xmm2, XMMWORD [CORRECTION(2,0,edx)]
- paddw xmm3, XMMWORD [CORRECTION(3,0,edx)]
- pmulhuw xmm0, XMMWORD [RECIPROCAL(0,0,edx)] ; reciprocal
- pmulhuw xmm1, XMMWORD [RECIPROCAL(1,0,edx)]
- pmulhuw xmm2, XMMWORD [RECIPROCAL(2,0,edx)]
- pmulhuw xmm3, XMMWORD [RECIPROCAL(3,0,edx)]
- pmulhuw xmm0, XMMWORD [SCALE(0,0,edx)] ; scale
- pmulhuw xmm1, XMMWORD [SCALE(1,0,edx)]
- pmulhuw xmm2, XMMWORD [SCALE(2,0,edx)]
- pmulhuw xmm3, XMMWORD [SCALE(3,0,edx)]
-
- pxor xmm0,xmm4
- pxor xmm1,xmm5
- pxor xmm2,xmm6
- pxor xmm3,xmm7
- psubw xmm0,xmm4
- psubw xmm1,xmm5
- psubw xmm2,xmm6
- psubw xmm3,xmm7
- movdqa XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_DCTELEM)], xmm0
- movdqa XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_DCTELEM)], xmm1
- movdqa XMMWORD [XMMBLOCK(2,0,edi,SIZEOF_DCTELEM)], xmm2
- movdqa XMMWORD [XMMBLOCK(3,0,edi,SIZEOF_DCTELEM)], xmm3
-
- add esi, byte 32*SIZEOF_DCTELEM
- add edx, byte 32*SIZEOF_DCTELEM
- add edi, byte 32*SIZEOF_JCOEF
- dec eax
- jnz near .quantloop
-
- pop edi
- pop esi
-; pop edx ; need not be preserved
-; pop ecx ; unused
-; pop ebx ; unused
- 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
« no previous file with comments | « simd/jcqnts2f-64.asm ('k') | simd/jcqnts2i-64.asm » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698