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 |