| 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
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| +++ /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
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| - 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
|
|
|