Index: simd/jcsammmx.asm |
diff --git a/simd/jcsammmx.asm b/simd/jcsammmx.asm |
deleted file mode 100644 |
index e5e2d235e46b1de5a1b848472e6c962573a1d4d8..0000000000000000000000000000000000000000 |
--- a/simd/jcsammmx.asm |
+++ /dev/null |
@@ -1,324 +0,0 @@ |
-; |
-; jcsammmx.asm - downsampling (MMX) |
-; |
-; 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" |
- |
-; -------------------------------------------------------------------------- |
- SECTION SEG_TEXT |
- BITS 32 |
-; |
-; Downsample pixel values of a single component. |
-; This version handles the common case of 2:1 horizontal and 1:1 vertical, |
-; without smoothing. |
-; |
-; GLOBAL(void) |
-; jsimd_h2v1_downsample_mmx (JDIMENSION image_width, int max_v_samp_factor, |
-; JDIMENSION v_samp_factor, JDIMENSION width_blocks, |
-; JSAMPARRAY input_data, JSAMPARRAY output_data); |
-; |
- |
-%define img_width(b) (b)+8 ; JDIMENSION image_width |
-%define max_v_samp(b) (b)+12 ; int max_v_samp_factor |
-%define v_samp(b) (b)+16 ; JDIMENSION v_samp_factor |
-%define width_blks(b) (b)+20 ; JDIMENSION width_blocks |
-%define input_data(b) (b)+24 ; JSAMPARRAY input_data |
-%define output_data(b) (b)+28 ; JSAMPARRAY output_data |
- |
- align 16 |
- global EXTN(jsimd_h2v1_downsample_mmx) PRIVATE |
- |
-EXTN(jsimd_h2v1_downsample_mmx): |
- push ebp |
- mov ebp,esp |
-; push ebx ; unused |
-; push ecx ; need not be preserved |
-; push edx ; need not be preserved |
- push esi |
- push edi |
- |
- mov ecx, JDIMENSION [width_blks(ebp)] |
- shl ecx,3 ; imul ecx,DCTSIZE (ecx = output_cols) |
- jz near .return |
- |
- mov edx, JDIMENSION [img_width(ebp)] |
- |
- ; -- expand_right_edge |
- |
- push ecx |
- shl ecx,1 ; output_cols * 2 |
- sub ecx,edx |
- jle short .expand_end |
- |
- mov eax, INT [max_v_samp(ebp)] |
- test eax,eax |
- jle short .expand_end |
- |
- cld |
- mov esi, JSAMPARRAY [input_data(ebp)] ; input_data |
- alignx 16,7 |
-.expandloop: |
- push eax |
- push ecx |
- |
- mov edi, JSAMPROW [esi] |
- add edi,edx |
- mov al, JSAMPLE [edi-1] |
- |
- rep stosb |
- |
- pop ecx |
- pop eax |
- |
- add esi, byte SIZEOF_JSAMPROW |
- dec eax |
- jg short .expandloop |
- |
-.expand_end: |
- pop ecx ; output_cols |
- |
- ; -- h2v1_downsample |
- |
- mov eax, JDIMENSION [v_samp(ebp)] ; rowctr |
- test eax,eax |
- jle near .return |
- |
- mov edx, 0x00010000 ; bias pattern |
- movd mm7,edx |
- pcmpeqw mm6,mm6 |
- punpckldq mm7,mm7 ; mm7={0, 1, 0, 1} |
- psrlw mm6,BYTE_BIT ; mm6={0xFF 0x00 0xFF 0x00 ..} |
- |
- mov esi, JSAMPARRAY [input_data(ebp)] ; input_data |
- mov edi, JSAMPARRAY [output_data(ebp)] ; output_data |
- alignx 16,7 |
-.rowloop: |
- push ecx |
- push edi |
- push esi |
- |
- mov esi, JSAMPROW [esi] ; inptr |
- mov edi, JSAMPROW [edi] ; outptr |
- alignx 16,7 |
-.columnloop: |
- |
- movq mm0, MMWORD [esi+0*SIZEOF_MMWORD] |
- movq mm1, MMWORD [esi+1*SIZEOF_MMWORD] |
- movq mm2,mm0 |
- movq mm3,mm1 |
- |
- pand mm0,mm6 |
- psrlw mm2,BYTE_BIT |
- pand mm1,mm6 |
- psrlw mm3,BYTE_BIT |
- |
- paddw mm0,mm2 |
- paddw mm1,mm3 |
- paddw mm0,mm7 |
- paddw mm1,mm7 |
- psrlw mm0,1 |
- psrlw mm1,1 |
- |
- packuswb mm0,mm1 |
- |
- movq MMWORD [edi+0*SIZEOF_MMWORD], mm0 |
- |
- add esi, byte 2*SIZEOF_MMWORD ; inptr |
- add edi, byte 1*SIZEOF_MMWORD ; outptr |
- sub ecx, byte SIZEOF_MMWORD ; outcol |
- jnz short .columnloop |
- |
- pop esi |
- pop edi |
- pop ecx |
- |
- add esi, byte SIZEOF_JSAMPROW ; input_data |
- add edi, byte SIZEOF_JSAMPROW ; output_data |
- dec eax ; rowctr |
- jg short .rowloop |
- |
- emms ; empty MMX state |
- |
-.return: |
- pop edi |
- pop esi |
-; pop edx ; need not be preserved |
-; pop ecx ; need not be preserved |
-; pop ebx ; unused |
- pop ebp |
- ret |
- |
-; -------------------------------------------------------------------------- |
-; |
-; Downsample pixel values of a single component. |
-; This version handles the standard case of 2:1 horizontal and 2:1 vertical, |
-; without smoothing. |
-; |
-; GLOBAL(void) |
-; jsimd_h2v2_downsample_mmx (JDIMENSION image_width, int max_v_samp_factor, |
-; JDIMENSION v_samp_factor, JDIMENSION width_blocks, |
-; JSAMPARRAY input_data, JSAMPARRAY output_data); |
-; |
- |
-%define img_width(b) (b)+8 ; JDIMENSION image_width |
-%define max_v_samp(b) (b)+12 ; int max_v_samp_factor |
-%define v_samp(b) (b)+16 ; JDIMENSION v_samp_factor |
-%define width_blks(b) (b)+20 ; JDIMENSION width_blocks |
-%define input_data(b) (b)+24 ; JSAMPARRAY input_data |
-%define output_data(b) (b)+28 ; JSAMPARRAY output_data |
- |
- align 16 |
- global EXTN(jsimd_h2v2_downsample_mmx) PRIVATE |
- |
-EXTN(jsimd_h2v2_downsample_mmx): |
- push ebp |
- mov ebp,esp |
-; push ebx ; unused |
-; push ecx ; need not be preserved |
-; push edx ; need not be preserved |
- push esi |
- push edi |
- |
- mov ecx, JDIMENSION [width_blks(ebp)] |
- shl ecx,3 ; imul ecx,DCTSIZE (ecx = output_cols) |
- jz near .return |
- |
- mov edx, JDIMENSION [img_width(ebp)] |
- |
- ; -- expand_right_edge |
- |
- push ecx |
- shl ecx,1 ; output_cols * 2 |
- sub ecx,edx |
- jle short .expand_end |
- |
- mov eax, INT [max_v_samp(ebp)] |
- test eax,eax |
- jle short .expand_end |
- |
- cld |
- mov esi, JSAMPARRAY [input_data(ebp)] ; input_data |
- alignx 16,7 |
-.expandloop: |
- push eax |
- push ecx |
- |
- mov edi, JSAMPROW [esi] |
- add edi,edx |
- mov al, JSAMPLE [edi-1] |
- |
- rep stosb |
- |
- pop ecx |
- pop eax |
- |
- add esi, byte SIZEOF_JSAMPROW |
- dec eax |
- jg short .expandloop |
- |
-.expand_end: |
- pop ecx ; output_cols |
- |
- ; -- h2v2_downsample |
- |
- mov eax, JDIMENSION [v_samp(ebp)] ; rowctr |
- test eax,eax |
- jle near .return |
- |
- mov edx, 0x00020001 ; bias pattern |
- movd mm7,edx |
- pcmpeqw mm6,mm6 |
- punpckldq mm7,mm7 ; mm7={1, 2, 1, 2} |
- psrlw mm6,BYTE_BIT ; mm6={0xFF 0x00 0xFF 0x00 ..} |
- |
- mov esi, JSAMPARRAY [input_data(ebp)] ; input_data |
- mov edi, JSAMPARRAY [output_data(ebp)] ; output_data |
- alignx 16,7 |
-.rowloop: |
- push ecx |
- push edi |
- push esi |
- |
- mov edx, JSAMPROW [esi+0*SIZEOF_JSAMPROW] ; inptr0 |
- mov esi, JSAMPROW [esi+1*SIZEOF_JSAMPROW] ; inptr1 |
- mov edi, JSAMPROW [edi] ; outptr |
- alignx 16,7 |
-.columnloop: |
- |
- movq mm0, MMWORD [edx+0*SIZEOF_MMWORD] |
- movq mm1, MMWORD [esi+0*SIZEOF_MMWORD] |
- movq mm2, MMWORD [edx+1*SIZEOF_MMWORD] |
- movq mm3, MMWORD [esi+1*SIZEOF_MMWORD] |
- |
- movq mm4,mm0 |
- movq mm5,mm1 |
- pand mm0,mm6 |
- psrlw mm4,BYTE_BIT |
- pand mm1,mm6 |
- psrlw mm5,BYTE_BIT |
- paddw mm0,mm4 |
- paddw mm1,mm5 |
- |
- movq mm4,mm2 |
- movq mm5,mm3 |
- pand mm2,mm6 |
- psrlw mm4,BYTE_BIT |
- pand mm3,mm6 |
- psrlw mm5,BYTE_BIT |
- paddw mm2,mm4 |
- paddw mm3,mm5 |
- |
- paddw mm0,mm1 |
- paddw mm2,mm3 |
- paddw mm0,mm7 |
- paddw mm2,mm7 |
- psrlw mm0,2 |
- psrlw mm2,2 |
- |
- packuswb mm0,mm2 |
- |
- movq MMWORD [edi+0*SIZEOF_MMWORD], mm0 |
- |
- add edx, byte 2*SIZEOF_MMWORD ; inptr0 |
- add esi, byte 2*SIZEOF_MMWORD ; inptr1 |
- add edi, byte 1*SIZEOF_MMWORD ; outptr |
- sub ecx, byte SIZEOF_MMWORD ; outcol |
- jnz near .columnloop |
- |
- pop esi |
- pop edi |
- pop ecx |
- |
- add esi, byte 2*SIZEOF_JSAMPROW ; input_data |
- add edi, byte 1*SIZEOF_JSAMPROW ; output_data |
- dec eax ; rowctr |
- 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 ; 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 |