mirror of
https://github.com/simtactics/mysimulation.git
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clean up, added the deps to the repo since the version matters
This commit is contained in:
Jip
parent
88430a890a
commit
51a2a68f05
364 changed files with 155261 additions and 626 deletions
500
library/deps/libjpeg-turbo/simd/jimmxfst.asm
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library/deps/libjpeg-turbo/simd/jimmxfst.asm
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@ -0,0 +1,500 @@
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;
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; jimmxfst.asm - fast integer IDCT (MMX)
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;
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; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
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;
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; Based on
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; x86 SIMD extension for IJG JPEG library
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; Copyright (C) 1999-2006, MIYASAKA Masaru.
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; For conditions of distribution and use, see copyright notice in jsimdext.inc
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;
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; This file should be assembled with NASM (Netwide Assembler),
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; can *not* be assembled with Microsoft's MASM or any compatible
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; assembler (including Borland's Turbo Assembler).
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; NASM is available from http://nasm.sourceforge.net/ or
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; http://sourceforge.net/project/showfiles.php?group_id=6208
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;
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; This file contains a fast, not so accurate integer implementation of
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; the inverse DCT (Discrete Cosine Transform). The following code is
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; based directly on the IJG's original jidctfst.c; see the jidctfst.c
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; for more details.
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;
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; [TAB8]
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%include "jsimdext.inc"
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%include "jdct.inc"
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; --------------------------------------------------------------------------
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%define CONST_BITS 8 ; 14 is also OK.
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%define PASS1_BITS 2
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%if IFAST_SCALE_BITS != PASS1_BITS
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%error "'IFAST_SCALE_BITS' must be equal to 'PASS1_BITS'."
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%endif
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%if CONST_BITS == 8
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F_1_082 equ 277 ; FIX(1.082392200)
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F_1_414 equ 362 ; FIX(1.414213562)
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F_1_847 equ 473 ; FIX(1.847759065)
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F_2_613 equ 669 ; FIX(2.613125930)
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F_1_613 equ (F_2_613 - 256) ; FIX(2.613125930) - FIX(1)
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%else
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; NASM cannot do compile-time arithmetic on floating-point constants.
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%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n))
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F_1_082 equ DESCALE(1162209775,30-CONST_BITS) ; FIX(1.082392200)
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F_1_414 equ DESCALE(1518500249,30-CONST_BITS) ; FIX(1.414213562)
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F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065)
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F_2_613 equ DESCALE(2805822602,30-CONST_BITS) ; FIX(2.613125930)
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F_1_613 equ (F_2_613 - (1 << CONST_BITS)) ; FIX(2.613125930) - FIX(1)
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%endif
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; --------------------------------------------------------------------------
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SECTION SEG_CONST
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; PRE_MULTIPLY_SCALE_BITS <= 2 (to avoid overflow)
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; CONST_BITS + CONST_SHIFT + PRE_MULTIPLY_SCALE_BITS == 16 (for pmulhw)
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%define PRE_MULTIPLY_SCALE_BITS 2
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%define CONST_SHIFT (16 - PRE_MULTIPLY_SCALE_BITS - CONST_BITS)
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alignz 16
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global EXTN(jconst_idct_ifast_mmx)
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EXTN(jconst_idct_ifast_mmx):
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PW_F1414 times 4 dw F_1_414 << CONST_SHIFT
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PW_F1847 times 4 dw F_1_847 << CONST_SHIFT
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PW_MF1613 times 4 dw -F_1_613 << CONST_SHIFT
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PW_F1082 times 4 dw F_1_082 << CONST_SHIFT
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PB_CENTERJSAMP times 8 db CENTERJSAMPLE
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alignz 16
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; --------------------------------------------------------------------------
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SECTION SEG_TEXT
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BITS 32
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;
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; Perform dequantization and inverse DCT on one block of coefficients.
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;
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; GLOBAL(void)
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; jsimd_idct_ifast_mmx (void * dct_table, JCOEFPTR coef_block,
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; JSAMPARRAY output_buf, JDIMENSION output_col)
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;
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%define dct_table(b) (b)+8 ; jpeg_component_info * compptr
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%define coef_block(b) (b)+12 ; JCOEFPTR coef_block
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%define output_buf(b) (b)+16 ; JSAMPARRAY output_buf
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%define output_col(b) (b)+20 ; JDIMENSION output_col
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%define original_ebp ebp+0
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%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM]
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%define WK_NUM 2
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%define workspace wk(0)-DCTSIZE2*SIZEOF_JCOEF
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; JCOEF workspace[DCTSIZE2]
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align 16
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global EXTN(jsimd_idct_ifast_mmx)
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EXTN(jsimd_idct_ifast_mmx):
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push ebp
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mov eax,esp ; eax = original ebp
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sub esp, byte 4
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and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits
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mov [esp],eax
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mov ebp,esp ; ebp = aligned ebp
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lea esp, [workspace]
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push ebx
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; push ecx ; need not be preserved
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; push edx ; need not be preserved
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push esi
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push edi
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get_GOT ebx ; get GOT address
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; ---- Pass 1: process columns from input, store into work array.
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; mov eax, [original_ebp]
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mov edx, POINTER [dct_table(eax)] ; quantptr
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mov esi, JCOEFPTR [coef_block(eax)] ; inptr
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lea edi, [workspace] ; JCOEF * wsptr
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mov ecx, DCTSIZE/4 ; ctr
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alignx 16,7
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.columnloop:
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%ifndef NO_ZERO_COLUMN_TEST_IFAST_MMX
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mov eax, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)]
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or eax, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)]
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jnz short .columnDCT
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movq mm0, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)]
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movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)]
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por mm0, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)]
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por mm1, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)]
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por mm0, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)]
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por mm1, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)]
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por mm0, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)]
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por mm1,mm0
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packsswb mm1,mm1
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movd eax,mm1
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test eax,eax
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jnz short .columnDCT
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; -- AC terms all zero
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movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)]
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pmullw mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_IFAST_MULT_TYPE)]
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movq mm2,mm0 ; mm0=in0=(00 01 02 03)
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punpcklwd mm0,mm0 ; mm0=(00 00 01 01)
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punpckhwd mm2,mm2 ; mm2=(02 02 03 03)
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movq mm1,mm0
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punpckldq mm0,mm0 ; mm0=(00 00 00 00)
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punpckhdq mm1,mm1 ; mm1=(01 01 01 01)
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movq mm3,mm2
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punpckldq mm2,mm2 ; mm2=(02 02 02 02)
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punpckhdq mm3,mm3 ; mm3=(03 03 03 03)
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movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_JCOEF)], mm0
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movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_JCOEF)], mm0
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movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_JCOEF)], mm1
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movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_JCOEF)], mm1
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movq MMWORD [MMBLOCK(2,0,edi,SIZEOF_JCOEF)], mm2
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movq MMWORD [MMBLOCK(2,1,edi,SIZEOF_JCOEF)], mm2
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movq MMWORD [MMBLOCK(3,0,edi,SIZEOF_JCOEF)], mm3
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movq MMWORD [MMBLOCK(3,1,edi,SIZEOF_JCOEF)], mm3
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jmp near .nextcolumn
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alignx 16,7
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%endif
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.columnDCT:
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; -- Even part
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movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)]
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movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)]
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pmullw mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_IFAST_MULT_TYPE)]
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pmullw mm1, MMWORD [MMBLOCK(2,0,edx,SIZEOF_IFAST_MULT_TYPE)]
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movq mm2, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)]
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movq mm3, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)]
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pmullw mm2, MMWORD [MMBLOCK(4,0,edx,SIZEOF_IFAST_MULT_TYPE)]
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pmullw mm3, MMWORD [MMBLOCK(6,0,edx,SIZEOF_IFAST_MULT_TYPE)]
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movq mm4,mm0
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movq mm5,mm1
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psubw mm0,mm2 ; mm0=tmp11
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psubw mm1,mm3
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paddw mm4,mm2 ; mm4=tmp10
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paddw mm5,mm3 ; mm5=tmp13
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psllw mm1,PRE_MULTIPLY_SCALE_BITS
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pmulhw mm1,[GOTOFF(ebx,PW_F1414)]
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psubw mm1,mm5 ; mm1=tmp12
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movq mm6,mm4
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movq mm7,mm0
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psubw mm4,mm5 ; mm4=tmp3
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psubw mm0,mm1 ; mm0=tmp2
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paddw mm6,mm5 ; mm6=tmp0
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paddw mm7,mm1 ; mm7=tmp1
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movq MMWORD [wk(1)], mm4 ; wk(1)=tmp3
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movq MMWORD [wk(0)], mm0 ; wk(0)=tmp2
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; -- Odd part
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movq mm2, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)]
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movq mm3, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)]
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pmullw mm2, MMWORD [MMBLOCK(1,0,edx,SIZEOF_IFAST_MULT_TYPE)]
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pmullw mm3, MMWORD [MMBLOCK(3,0,edx,SIZEOF_IFAST_MULT_TYPE)]
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movq mm5, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)]
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movq mm1, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)]
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pmullw mm5, MMWORD [MMBLOCK(5,0,edx,SIZEOF_IFAST_MULT_TYPE)]
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pmullw mm1, MMWORD [MMBLOCK(7,0,edx,SIZEOF_IFAST_MULT_TYPE)]
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movq mm4,mm2
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movq mm0,mm5
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psubw mm2,mm1 ; mm2=z12
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psubw mm5,mm3 ; mm5=z10
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paddw mm4,mm1 ; mm4=z11
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paddw mm0,mm3 ; mm0=z13
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movq mm1,mm5 ; mm1=z10(unscaled)
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psllw mm2,PRE_MULTIPLY_SCALE_BITS
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psllw mm5,PRE_MULTIPLY_SCALE_BITS
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movq mm3,mm4
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psubw mm4,mm0
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paddw mm3,mm0 ; mm3=tmp7
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psllw mm4,PRE_MULTIPLY_SCALE_BITS
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pmulhw mm4,[GOTOFF(ebx,PW_F1414)] ; mm4=tmp11
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; To avoid overflow...
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;
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; (Original)
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; tmp12 = -2.613125930 * z10 + z5;
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;
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; (This implementation)
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; tmp12 = (-1.613125930 - 1) * z10 + z5;
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; = -1.613125930 * z10 - z10 + z5;
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movq mm0,mm5
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paddw mm5,mm2
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pmulhw mm5,[GOTOFF(ebx,PW_F1847)] ; mm5=z5
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pmulhw mm0,[GOTOFF(ebx,PW_MF1613)]
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pmulhw mm2,[GOTOFF(ebx,PW_F1082)]
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psubw mm0,mm1
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psubw mm2,mm5 ; mm2=tmp10
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paddw mm0,mm5 ; mm0=tmp12
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; -- Final output stage
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psubw mm0,mm3 ; mm0=tmp6
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movq mm1,mm6
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movq mm5,mm7
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paddw mm6,mm3 ; mm6=data0=(00 01 02 03)
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paddw mm7,mm0 ; mm7=data1=(10 11 12 13)
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psubw mm1,mm3 ; mm1=data7=(70 71 72 73)
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psubw mm5,mm0 ; mm5=data6=(60 61 62 63)
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psubw mm4,mm0 ; mm4=tmp5
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movq mm3,mm6 ; transpose coefficients(phase 1)
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punpcklwd mm6,mm7 ; mm6=(00 10 01 11)
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punpckhwd mm3,mm7 ; mm3=(02 12 03 13)
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movq mm0,mm5 ; transpose coefficients(phase 1)
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punpcklwd mm5,mm1 ; mm5=(60 70 61 71)
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punpckhwd mm0,mm1 ; mm0=(62 72 63 73)
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movq mm7, MMWORD [wk(0)] ; mm7=tmp2
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movq mm1, MMWORD [wk(1)] ; mm1=tmp3
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movq MMWORD [wk(0)], mm5 ; wk(0)=(60 70 61 71)
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movq MMWORD [wk(1)], mm0 ; wk(1)=(62 72 63 73)
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paddw mm2,mm4 ; mm2=tmp4
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movq mm5,mm7
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movq mm0,mm1
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paddw mm7,mm4 ; mm7=data2=(20 21 22 23)
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paddw mm1,mm2 ; mm1=data4=(40 41 42 43)
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psubw mm5,mm4 ; mm5=data5=(50 51 52 53)
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psubw mm0,mm2 ; mm0=data3=(30 31 32 33)
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movq mm4,mm7 ; transpose coefficients(phase 1)
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punpcklwd mm7,mm0 ; mm7=(20 30 21 31)
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punpckhwd mm4,mm0 ; mm4=(22 32 23 33)
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movq mm2,mm1 ; transpose coefficients(phase 1)
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punpcklwd mm1,mm5 ; mm1=(40 50 41 51)
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punpckhwd mm2,mm5 ; mm2=(42 52 43 53)
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movq mm0,mm6 ; transpose coefficients(phase 2)
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punpckldq mm6,mm7 ; mm6=(00 10 20 30)
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punpckhdq mm0,mm7 ; mm0=(01 11 21 31)
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movq mm5,mm3 ; transpose coefficients(phase 2)
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punpckldq mm3,mm4 ; mm3=(02 12 22 32)
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punpckhdq mm5,mm4 ; mm5=(03 13 23 33)
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movq mm7, MMWORD [wk(0)] ; mm7=(60 70 61 71)
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movq mm4, MMWORD [wk(1)] ; mm4=(62 72 63 73)
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movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_JCOEF)], mm6
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movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_JCOEF)], mm0
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movq MMWORD [MMBLOCK(2,0,edi,SIZEOF_JCOEF)], mm3
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movq MMWORD [MMBLOCK(3,0,edi,SIZEOF_JCOEF)], mm5
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movq mm6,mm1 ; transpose coefficients(phase 2)
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punpckldq mm1,mm7 ; mm1=(40 50 60 70)
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punpckhdq mm6,mm7 ; mm6=(41 51 61 71)
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movq mm0,mm2 ; transpose coefficients(phase 2)
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punpckldq mm2,mm4 ; mm2=(42 52 62 72)
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punpckhdq mm0,mm4 ; mm0=(43 53 63 73)
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movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_JCOEF)], mm1
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movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_JCOEF)], mm6
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movq MMWORD [MMBLOCK(2,1,edi,SIZEOF_JCOEF)], mm2
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movq MMWORD [MMBLOCK(3,1,edi,SIZEOF_JCOEF)], mm0
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.nextcolumn:
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add esi, byte 4*SIZEOF_JCOEF ; coef_block
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add edx, byte 4*SIZEOF_IFAST_MULT_TYPE ; quantptr
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add edi, byte 4*DCTSIZE*SIZEOF_JCOEF ; wsptr
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dec ecx ; ctr
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jnz near .columnloop
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; ---- Pass 2: process rows from work array, store into output array.
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mov eax, [original_ebp]
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lea esi, [workspace] ; JCOEF * wsptr
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mov edi, JSAMPARRAY [output_buf(eax)] ; (JSAMPROW *)
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mov eax, JDIMENSION [output_col(eax)]
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mov ecx, DCTSIZE/4 ; ctr
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alignx 16,7
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.rowloop:
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; -- Even part
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movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)]
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movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)]
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movq mm2, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)]
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movq mm3, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)]
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movq mm4,mm0
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movq mm5,mm1
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psubw mm0,mm2 ; mm0=tmp11
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psubw mm1,mm3
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paddw mm4,mm2 ; mm4=tmp10
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paddw mm5,mm3 ; mm5=tmp13
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psllw mm1,PRE_MULTIPLY_SCALE_BITS
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pmulhw mm1,[GOTOFF(ebx,PW_F1414)]
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psubw mm1,mm5 ; mm1=tmp12
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movq mm6,mm4
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movq mm7,mm0
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psubw mm4,mm5 ; mm4=tmp3
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psubw mm0,mm1 ; mm0=tmp2
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paddw mm6,mm5 ; mm6=tmp0
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paddw mm7,mm1 ; mm7=tmp1
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movq MMWORD [wk(1)], mm4 ; wk(1)=tmp3
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movq MMWORD [wk(0)], mm0 ; wk(0)=tmp2
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; -- Odd part
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movq mm2, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)]
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movq mm3, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)]
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movq mm5, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)]
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movq mm1, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)]
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movq mm4,mm2
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movq mm0,mm5
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psubw mm2,mm1 ; mm2=z12
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psubw mm5,mm3 ; mm5=z10
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paddw mm4,mm1 ; mm4=z11
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paddw mm0,mm3 ; mm0=z13
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movq mm1,mm5 ; mm1=z10(unscaled)
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psllw mm2,PRE_MULTIPLY_SCALE_BITS
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psllw mm5,PRE_MULTIPLY_SCALE_BITS
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movq mm3,mm4
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psubw mm4,mm0
|
||||
paddw mm3,mm0 ; mm3=tmp7
|
||||
|
||||
psllw mm4,PRE_MULTIPLY_SCALE_BITS
|
||||
pmulhw mm4,[GOTOFF(ebx,PW_F1414)] ; mm4=tmp11
|
||||
|
||||
; To avoid overflow...
|
||||
;
|
||||
; (Original)
|
||||
; tmp12 = -2.613125930 * z10 + z5;
|
||||
;
|
||||
; (This implementation)
|
||||
; tmp12 = (-1.613125930 - 1) * z10 + z5;
|
||||
; = -1.613125930 * z10 - z10 + z5;
|
||||
|
||||
movq mm0,mm5
|
||||
paddw mm5,mm2
|
||||
pmulhw mm5,[GOTOFF(ebx,PW_F1847)] ; mm5=z5
|
||||
pmulhw mm0,[GOTOFF(ebx,PW_MF1613)]
|
||||
pmulhw mm2,[GOTOFF(ebx,PW_F1082)]
|
||||
psubw mm0,mm1
|
||||
psubw mm2,mm5 ; mm2=tmp10
|
||||
paddw mm0,mm5 ; mm0=tmp12
|
||||
|
||||
; -- Final output stage
|
||||
|
||||
psubw mm0,mm3 ; mm0=tmp6
|
||||
movq mm1,mm6
|
||||
movq mm5,mm7
|
||||
paddw mm6,mm3 ; mm6=data0=(00 10 20 30)
|
||||
paddw mm7,mm0 ; mm7=data1=(01 11 21 31)
|
||||
psraw mm6,(PASS1_BITS+3) ; descale
|
||||
psraw mm7,(PASS1_BITS+3) ; descale
|
||||
psubw mm1,mm3 ; mm1=data7=(07 17 27 37)
|
||||
psubw mm5,mm0 ; mm5=data6=(06 16 26 36)
|
||||
psraw mm1,(PASS1_BITS+3) ; descale
|
||||
psraw mm5,(PASS1_BITS+3) ; descale
|
||||
psubw mm4,mm0 ; mm4=tmp5
|
||||
|
||||
packsswb mm6,mm5 ; mm6=(00 10 20 30 06 16 26 36)
|
||||
packsswb mm7,mm1 ; mm7=(01 11 21 31 07 17 27 37)
|
||||
|
||||
movq mm3, MMWORD [wk(0)] ; mm3=tmp2
|
||||
movq mm0, MMWORD [wk(1)] ; mm0=tmp3
|
||||
|
||||
paddw mm2,mm4 ; mm2=tmp4
|
||||
movq mm5,mm3
|
||||
movq mm1,mm0
|
||||
paddw mm3,mm4 ; mm3=data2=(02 12 22 32)
|
||||
paddw mm0,mm2 ; mm0=data4=(04 14 24 34)
|
||||
psraw mm3,(PASS1_BITS+3) ; descale
|
||||
psraw mm0,(PASS1_BITS+3) ; descale
|
||||
psubw mm5,mm4 ; mm5=data5=(05 15 25 35)
|
||||
psubw mm1,mm2 ; mm1=data3=(03 13 23 33)
|
||||
psraw mm5,(PASS1_BITS+3) ; descale
|
||||
psraw mm1,(PASS1_BITS+3) ; descale
|
||||
|
||||
movq mm4,[GOTOFF(ebx,PB_CENTERJSAMP)] ; mm4=[PB_CENTERJSAMP]
|
||||
|
||||
packsswb mm3,mm0 ; mm3=(02 12 22 32 04 14 24 34)
|
||||
packsswb mm1,mm5 ; mm1=(03 13 23 33 05 15 25 35)
|
||||
|
||||
paddb mm6,mm4
|
||||
paddb mm7,mm4
|
||||
paddb mm3,mm4
|
||||
paddb mm1,mm4
|
||||
|
||||
movq mm2,mm6 ; transpose coefficients(phase 1)
|
||||
punpcklbw mm6,mm7 ; mm6=(00 01 10 11 20 21 30 31)
|
||||
punpckhbw mm2,mm7 ; mm2=(06 07 16 17 26 27 36 37)
|
||||
movq mm0,mm3 ; transpose coefficients(phase 1)
|
||||
punpcklbw mm3,mm1 ; mm3=(02 03 12 13 22 23 32 33)
|
||||
punpckhbw mm0,mm1 ; mm0=(04 05 14 15 24 25 34 35)
|
||||
|
||||
movq mm5,mm6 ; transpose coefficients(phase 2)
|
||||
punpcklwd mm6,mm3 ; mm6=(00 01 02 03 10 11 12 13)
|
||||
punpckhwd mm5,mm3 ; mm5=(20 21 22 23 30 31 32 33)
|
||||
movq mm4,mm0 ; transpose coefficients(phase 2)
|
||||
punpcklwd mm0,mm2 ; mm0=(04 05 06 07 14 15 16 17)
|
||||
punpckhwd mm4,mm2 ; mm4=(24 25 26 27 34 35 36 37)
|
||||
|
||||
movq mm7,mm6 ; transpose coefficients(phase 3)
|
||||
punpckldq mm6,mm0 ; mm6=(00 01 02 03 04 05 06 07)
|
||||
punpckhdq mm7,mm0 ; mm7=(10 11 12 13 14 15 16 17)
|
||||
movq mm1,mm5 ; transpose coefficients(phase 3)
|
||||
punpckldq mm5,mm4 ; mm5=(20 21 22 23 24 25 26 27)
|
||||
punpckhdq mm1,mm4 ; mm1=(30 31 32 33 34 35 36 37)
|
||||
|
||||
pushpic ebx ; save GOT address
|
||||
|
||||
mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW]
|
||||
mov ebx, JSAMPROW [edi+1*SIZEOF_JSAMPROW]
|
||||
movq MMWORD [edx+eax*SIZEOF_JSAMPLE], mm6
|
||||
movq MMWORD [ebx+eax*SIZEOF_JSAMPLE], mm7
|
||||
mov edx, JSAMPROW [edi+2*SIZEOF_JSAMPROW]
|
||||
mov ebx, JSAMPROW [edi+3*SIZEOF_JSAMPROW]
|
||||
movq MMWORD [edx+eax*SIZEOF_JSAMPLE], mm5
|
||||
movq MMWORD [ebx+eax*SIZEOF_JSAMPLE], mm1
|
||||
|
||||
poppic ebx ; restore GOT address
|
||||
|
||||
add esi, byte 4*SIZEOF_JCOEF ; wsptr
|
||||
add edi, byte 4*SIZEOF_JSAMPROW
|
||||
dec ecx ; ctr
|
||||
jnz near .rowloop
|
||||
|
||||
emms ; empty MMX state
|
||||
|
||||
pop edi
|
||||
pop esi
|
||||
; pop edx ; need not be preserved
|
||||
; pop ecx ; need not be preserved
|
||||
pop ebx
|
||||
mov esp,ebp ; esp <- aligned ebp
|
||||
pop esp ; esp <- original ebp
|
||||
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
|
||||
Loading…
Add table
Add a link
Reference in a new issue