src/video/SDL_yuv_mmx.c
author Sam Lantinga <slouken@libsdl.org>
Sun, 13 Feb 2005 07:10:02 +0000
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parent 949 e0d96eb0af19
child 1148 63fb2da89a4b
permissions -rw-r--r--
Ugly hack to make this work with gcc 2.x and 3.x Thanks to Stephane Marchesin for the dirty dirty work.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2004 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Library General Public
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    License as published by the Free Software Foundation; either
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    version 2 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Library General Public License for more details.
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    You should have received a copy of the GNU Library General Public
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    License along with this library; if not, write to the Free
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    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#ifdef SAVE_RCSID
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static char rcsid =
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 "@(#) $Id$";
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#endif
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#if defined(i386) && defined(__GNUC__) && defined(USE_ASMBLIT)
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#include "SDL_types.h"
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#if __GNUC__ > 2
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#    undef GCC2_HACK
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#else
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#    define GCC2_HACK
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#endif
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#if defined(GCC2_HACK) && defined (__ELF__)
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#define ASM_VAR(X) _##X
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#else
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#define ASM_VAR(X) X
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#endif
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static volatile unsigned int  ASM_VAR(MMX_0080w)[]    = {0x00800080, 0x00800080};
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static volatile unsigned int  ASM_VAR(MMX_00FFw)[]    = {0x00ff00ff, 0x00ff00ff}; 
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static volatile unsigned int  ASM_VAR(MMX_FF00w)[]    = {0xff00ff00, 0xff00ff00}; 
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static volatile unsigned short ASM_VAR(MMX_Ycoeff)[]  = {0x004a, 0x004a, 0x004a, 0x004a}; 
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static volatile unsigned short ASM_VAR(MMX_UbluRGB)[] = {0x0072, 0x0072, 0x0072, 0x0072};    
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static volatile unsigned short ASM_VAR(MMX_VredRGB)[] = {0x0059, 0x0059, 0x0059, 0x0059};  
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static volatile unsigned short ASM_VAR(MMX_UgrnRGB)[] = {0xffea, 0xffea, 0xffea, 0xffea}; 
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static volatile unsigned short ASM_VAR(MMX_VgrnRGB)[] = {0xffd2, 0xffd2, 0xffd2, 0xffd2};  
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static volatile unsigned short ASM_VAR(MMX_Ublu5x5)[] = {0x0081, 0x0081, 0x0081, 0x0081};
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static volatile unsigned short ASM_VAR(MMX_Vred5x5)[] = {0x0066, 0x0066, 0x0066, 0x0066};
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static volatile unsigned short ASM_VAR(MMX_Ugrn555)[] = {0xffe7, 0xffe7, 0xffe7, 0xffe7};
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static volatile unsigned short ASM_VAR(MMX_Vgrn555)[] = {0xffcc, 0xffcc, 0xffcc, 0xffcc};
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static volatile unsigned short ASM_VAR(MMX_Ugrn565)[] = {0xffe8, 0xffe8, 0xffe8, 0xffe8};
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static volatile unsigned short ASM_VAR(MMX_Vgrn565)[] = {0xffcd, 0xffcd, 0xffcd, 0xffcd};
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static volatile unsigned short ASM_VAR(MMX_red555)[]  = {0x7c00, 0x7c00, 0x7c00, 0x7c00};
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static volatile unsigned short ASM_VAR(MMX_red565)[]  = {0xf800, 0xf800, 0xf800, 0xf800};
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static volatile unsigned short ASM_VAR(MMX_grn555)[]  = {0x03e0, 0x03e0, 0x03e0, 0x03e0};
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static volatile unsigned short ASM_VAR(MMX_grn565)[]  = {0x07e0, 0x07e0, 0x07e0, 0x07e0};
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static volatile unsigned short ASM_VAR(MMX_blu5x5)[]  = {0x001f, 0x001f, 0x001f, 0x001f};
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/**
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   This MMX assembler is my first assembler/MMX program ever.
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   Thus it maybe buggy.
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   Send patches to:
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   mvogt@rhrk.uni-kl.de
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   After it worked fine I have "obfuscated" the code a bit to have
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   more parallism in the MMX units. This means I moved
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   initilisation around and delayed other instruction.
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   Performance measurement did not show that this brought any advantage
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   but in theory it _should_ be faster this way.
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   The overall performanve gain to the C based dither was 30%-40%.
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   The MMX routine calculates 256bit=8RGB values in each cycle
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   (4 for row1 & 4 for row2)
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   The red/green/blue.. coefficents are taken from the mpeg_play 
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   player. They look nice, but I dont know if you can have
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   better values, to avoid integer rounding errors.
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   IMPORTANT:
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   ==========
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   It is a requirement that the cr/cb/lum are 8 byte aligned and
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   the out are 16byte aligned or you will/may get segfaults
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*/
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void ColorRGBDitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
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                              unsigned char *lum, unsigned char *cr,
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                              unsigned char *cb, unsigned char *out,
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                              int rows, int cols, int mod )
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{
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    Uint32 *row1;
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    Uint32 *row2;
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    unsigned char* y = lum +cols*rows;    // Pointer to the end
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    int x=0;
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    row1 = (Uint32 *)out;                 // 32 bit target
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    row2 = (Uint32 *)out+cols+mod;        // start of second row 
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    mod = (mod+cols+mod)*4;               // increment for row1 in byte
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    __asm__ __volatile__ (
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/* We don't really care about PIC - the code should be rewritten to use
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   relative addressing for the static tables, so right now we take the
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   COW hit on the pages this code resides. Big deal.
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   This spill is just to reduce register pressure in the PIC case. */
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		 "pushl %%ebx\n"
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		 "movl %0, %%ebx\n"
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	         ".align 8\n"
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		 "1:\n"
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		 // create Cr (result in mm1)
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		 "movd (%%ebx), %%mm1\n"   //         0  0  0  0  v3 v2 v1 v0
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		 "pxor %%mm7,%%mm7\n"      //         00 00 00 00 00 00 00 00
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		 "movd (%2), %%mm2\n"           //    0  0  0  0 l3 l2 l1 l0
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		 "punpcklbw %%mm7,%%mm1\n" //         0  v3 0  v2 00 v1 00 v0
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		 "punpckldq %%mm1,%%mm1\n" //         00 v1 00 v0 00 v1 00 v0
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#ifdef GCC2_HACK
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		 "psubw _MMX_0080w,%%mm1\n"  // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0 
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#else
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		 "psubw %[_MMX_0080w],%%mm1\n"  // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0 
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   134
#endif
0
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   135
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   136
		 // create Cr_g (result in mm0)
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   137
		 "movq %%mm1,%%mm0\n"           // r1 r1 r0 r0 r1 r1 r0 r0
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   138
#ifdef GCC2_HACK
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   139
		 "pmullw _MMX_VgrnRGB,%%mm0\n"// red*-46dec=0.7136*64
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   140
		 "pmullw _MMX_VredRGB,%%mm1\n"// red*89dec=1.4013*64
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   141
#else
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		 "pmullw %[_MMX_VgrnRGB],%%mm0\n"// red*-46dec=0.7136*64
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		 "pmullw %[_MMX_VredRGB],%%mm1\n"// red*89dec=1.4013*64
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   144
#endif
0
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   145
		 "psraw  $6, %%mm0\n"           // red=red/64
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   146
		 "psraw  $6, %%mm1\n"           // red=red/64
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   147
		 
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		 // create L1 L2 (result in mm2,mm4)
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   149
		 // L2=lum+cols
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   150
		 "movq (%2,%4),%%mm3\n"         //    0  0  0  0 L3 L2 L1 L0
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   151
		 "punpckldq %%mm3,%%mm2\n"      //   L3 L2 L1 L0 l3 l2 l1 l0
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   152
		 "movq %%mm2,%%mm4\n"           //   L3 L2 L1 L0 l3 l2 l1 l0
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   153
#ifdef GCC2_HACK
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   154
		 "pand _MMX_FF00w,%%mm2\n"      //   L3 0  L1  0 l3  0 l1  0
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   155
		 "pand _MMX_00FFw,%%mm4\n"      //   0  L2  0 L0  0 l2  0 l0
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   156
#else
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   157
		 "pand %[_MMX_FF00w],%%mm2\n"      //   L3 0  L1  0 l3  0 l1  0
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   158
		 "pand %[_MMX_00FFw],%%mm4\n"      //   0  L2  0 L0  0 l2  0 l0
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   159
#endif
0
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   160
		 "psrlw $8,%%mm2\n"             //   0  L3  0 L1  0 l3  0 l1
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   161
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		 // create R (result in mm6)
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   163
		 "movq %%mm2,%%mm5\n"           //   0 L3  0 L1  0 l3  0 l1
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   164
		 "movq %%mm4,%%mm6\n"           //   0 L2  0 L0  0 l2  0 l0
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   165
		 "paddsw  %%mm1, %%mm5\n"       // lum1+red:x R3 x R1 x r3 x r1
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   166
		 "paddsw  %%mm1, %%mm6\n"       // lum1+red:x R2 x R0 x r2 x r0
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   167
		 "packuswb %%mm5,%%mm5\n"       //  R3 R1 r3 r1 R3 R1 r3 r1
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   168
		 "packuswb %%mm6,%%mm6\n"       //  R2 R0 r2 r0 R2 R0 r2 r0
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   169
		 "pxor %%mm7,%%mm7\n"      //         00 00 00 00 00 00 00 00
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   170
		 "punpcklbw %%mm5,%%mm6\n"      //  R3 R2 R1 R0 r3 r2 r1 r0
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   171
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   172
		 // create Cb (result in mm1)
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   173
		 "movd (%1), %%mm1\n"      //         0  0  0  0  u3 u2 u1 u0
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   174
		 "punpcklbw %%mm7,%%mm1\n" //         0  u3 0  u2 00 u1 00 u0
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   175
		 "punpckldq %%mm1,%%mm1\n" //         00 u1 00 u0 00 u1 00 u0
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   176
#ifdef GCC2_HACK
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   177
		 "psubw _MMX_0080w,%%mm1\n"  // mm1-128:u1 u1 u0 u0 u1 u1 u0 u0 
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   178
#else
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		 "psubw %[_MMX_0080w],%%mm1\n"  // mm1-128:u1 u1 u0 u0 u1 u1 u0 u0 
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   180
#endif
0
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   181
		 // create Cb_g (result in mm5)
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   182
		 "movq %%mm1,%%mm5\n"            // u1 u1 u0 u0 u1 u1 u0 u0
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   183
#ifdef GCC2_HACK
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   184
		 "pmullw _MMX_UgrnRGB,%%mm5\n"    // blue*-109dec=1.7129*64
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   185
		 "pmullw _MMX_UbluRGB,%%mm1\n"    // blue*114dec=1.78125*64
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   186
#else
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   187
		 "pmullw %[_MMX_UgrnRGB],%%mm5\n"    // blue*-109dec=1.7129*64
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   188
		 "pmullw %[_MMX_UbluRGB],%%mm1\n"    // blue*114dec=1.78125*64
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diff changeset
   189
#endif
0
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   190
		 "psraw  $6, %%mm5\n"            // blue=red/64
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diff changeset
   191
		 "psraw  $6, %%mm1\n"            // blue=blue/64
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diff changeset
   192
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   193
		 // create G (result in mm7)
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diff changeset
   194
		 "movq %%mm2,%%mm3\n"      //   0  L3  0 L1  0 l3  0 l1
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diff changeset
   195
		 "movq %%mm4,%%mm7\n"      //   0  L2  0 L0  0 l2  0 l1
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diff changeset
   196
		 "paddsw  %%mm5, %%mm3\n"  // lum1+Cb_g:x G3t x G1t x g3t x g1t
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diff changeset
   197
		 "paddsw  %%mm5, %%mm7\n"  // lum1+Cb_g:x G2t x G0t x g2t x g0t
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diff changeset
   198
		 "paddsw  %%mm0, %%mm3\n"  // lum1+Cr_g:x G3  x G1  x g3  x g1
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diff changeset
   199
		 "paddsw  %%mm0, %%mm7\n"  // lum1+blue:x G2  x G0  x g2  x g0
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diff changeset
   200
		 "packuswb %%mm3,%%mm3\n"  // G3 G1 g3 g1 G3 G1 g3 g1
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diff changeset
   201
		 "packuswb %%mm7,%%mm7\n"  // G2 G0 g2 g0 G2 G0 g2 g0
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diff changeset
   202
		 "punpcklbw %%mm3,%%mm7\n" // G3 G2 G1 G0 g3 g2 g1 g0
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diff changeset
   203
		 
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   204
		 // create B (result in mm5)
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   205
		 "movq %%mm2,%%mm3\n"         //   0  L3  0 L1  0 l3  0 l1
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diff changeset
   206
		 "movq %%mm4,%%mm5\n"         //   0  L2  0 L0  0 l2  0 l1
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diff changeset
   207
		 "paddsw  %%mm1, %%mm3\n"     // lum1+blue:x B3 x B1 x b3 x b1
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diff changeset
   208
		 "paddsw  %%mm1, %%mm5\n"     // lum1+blue:x B2 x B0 x b2 x b0
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diff changeset
   209
		 "packuswb %%mm3,%%mm3\n"     // B3 B1 b3 b1 B3 B1 b3 b1
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diff changeset
   210
		 "packuswb %%mm5,%%mm5\n"     // B2 B0 b2 b0 B2 B0 b2 b0
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diff changeset
   211
		 "punpcklbw %%mm3,%%mm5\n"    // B3 B2 B1 B0 b3 b2 b1 b0
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diff changeset
   212
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   213
		 // fill destination row1 (needed are mm6=Rr,mm7=Gg,mm5=Bb)
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diff changeset
   214
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   215
		 "pxor %%mm2,%%mm2\n"           //  0  0  0  0  0  0  0  0
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diff changeset
   216
		 "pxor %%mm4,%%mm4\n"           //  0  0  0  0  0  0  0  0
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diff changeset
   217
		 "movq %%mm6,%%mm1\n"           // R3 R2 R1 R0 r3 r2 r1 r0
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diff changeset
   218
		 "movq %%mm5,%%mm3\n"           // B3 B2 B1 B0 b3 b2 b1 b0
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diff changeset
   219
		 // process lower lum
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diff changeset
   220
		 "punpcklbw %%mm4,%%mm1\n"      //  0 r3  0 r2  0 r1  0 r0
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diff changeset
   221
		 "punpcklbw %%mm4,%%mm3\n"      //  0 b3  0 b2  0 b1  0 b0
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diff changeset
   222
		 "movq %%mm1,%%mm2\n"           //  0 r3  0 r2  0 r1  0 r0
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diff changeset
   223
		 "movq %%mm3,%%mm0\n"           //  0 b3  0 b2  0 b1  0 b0
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diff changeset
   224
		 "punpcklwd %%mm1,%%mm3\n"      //  0 r1  0 b1  0 r0  0 b0
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diff changeset
   225
		 "punpckhwd %%mm2,%%mm0\n"      //  0 r3  0 b3  0 r2  0 b2
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diff changeset
   226
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diff changeset
   227
		 "pxor %%mm2,%%mm2\n"           //  0  0  0  0  0  0  0  0
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diff changeset
   228
		 "movq %%mm7,%%mm1\n"           // G3 G2 G1 G0 g3 g2 g1 g0
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diff changeset
   229
		 "punpcklbw %%mm1,%%mm2\n"      // g3  0 g2  0 g1  0 g0  0
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diff changeset
   230
		 "punpcklwd %%mm4,%%mm2\n"      //  0  0 g1  0  0  0 g0  0 
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diff changeset
   231
		 "por  %%mm3, %%mm2\n"          //  0 r1 g1 b1  0 r0 g0 b0
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diff changeset
   232
		 "movq   %%mm2,(%3)\n"          // wrote out ! row1
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diff changeset
   233
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diff changeset
   234
		 "pxor %%mm2,%%mm2\n"           //  0  0  0  0  0  0  0  0
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diff changeset
   235
		 "punpcklbw %%mm1,%%mm4\n"      // g3  0 g2  0 g1  0 g0  0
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parents:
diff changeset
   236
		 "punpckhwd %%mm2,%%mm4\n"      //  0  0 g3  0  0  0 g2  0 
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diff changeset
   237
		 "por  %%mm0, %%mm4\n"          //  0 r3 g3 b3  0 r2 g2 b2
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diff changeset
   238
		 "movq   %%mm4,8(%3)\n"         // wrote out ! row1
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diff changeset
   239
		 
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   240
		 // fill destination row2 (needed are mm6=Rr,mm7=Gg,mm5=Bb)
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diff changeset
   241
		 // this can be done "destructive"
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diff changeset
   242
		 "pxor %%mm2,%%mm2\n"           //  0  0  0  0  0  0  0  0
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diff changeset
   243
		 "punpckhbw %%mm2,%%mm6\n"      //  0 R3  0 R2  0 R1  0 R0
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diff changeset
   244
		 "punpckhbw %%mm1,%%mm5\n"      // G3 B3 G2 B2 G1 B1 G0 B0
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diff changeset
   245
		 "movq %%mm5,%%mm1\n"           // G3 B3 G2 B2 G1 B1 G0 B0
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parents:
diff changeset
   246
		 "punpcklwd %%mm6,%%mm1\n"      //  0 R1 G1 B1  0 R0 G0 B0
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		 "movq   %%mm1,(%5)\n"          // wrote out ! row2
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		 "punpckhwd %%mm6,%%mm5\n"      //  0 R3 G3 B3  0 R2 G2 B2
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		 "movq   %%mm5,8(%5)\n"         // wrote out ! row2
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   250
		 
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		 "addl  $4,%2\n"            // lum+4
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		 "leal  16(%3),%3\n"        // row1+16
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		 "leal  16(%5),%5\n"        // row2+16
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		 "addl  $2, %%ebx\n"        // cr+2
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		 "addl  $2, %1\n"           // cb+2
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		 "addl  $4,%6\n"            // x+4
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		 "cmpl  %4,%6\n"
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		 "jl    1b\n"
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		 "addl           %4,     %2\n" // lum += cols 
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		 "addl           %8,     %3\n" // row1+= mod
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		 "addl           %8,     %5\n" // row2+= mod
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		 "movl           $0,     %6\n" // x=0
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		 "cmpl           %7,     %2\n"
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		 "jl             1b\n"
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		 "emms\n"
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		 "popl %%ebx\n"
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		 :
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		 : "m" (cr), "r"(cb),"r"(lum),
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		 "r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod)
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#ifndef GCC2_HACK
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		 ,[_MMX_0080w] "m" (*MMX_0080w),
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		 [_MMX_00FFw] "m" (*MMX_00FFw),
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		 [_MMX_FF00w] "m" (*MMX_FF00w),
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		 [_MMX_VgrnRGB] "m" (*MMX_VgrnRGB),
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		 [_MMX_VredRGB] "m" (*MMX_VredRGB),
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		 [_MMX_UgrnRGB] "m" (*MMX_UgrnRGB),
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		 [_MMX_UbluRGB] "m" (*MMX_UbluRGB)
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#endif
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			 );
0
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}
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void Color565DitherYV12MMX1X( int *colortab, Uint32 *rgb_2_pix,
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                             unsigned char *lum, unsigned char *cr,
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                             unsigned char *cb, unsigned char *out,
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                             int rows, int cols, int mod )
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{
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    Uint16 *row1;
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    Uint16 *row2;
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   291
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    unsigned char* y = lum +cols*rows;    /* Pointer to the end */
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    int x=0;
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    row1 = (Uint16 *)out;                 /* 16 bit target */
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    row2 = (Uint16 *)out+cols+mod;        /* start of second row  */
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    mod = (mod+cols+mod)*2;               /* increment for row1 in byte */
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      __asm__ __volatile__(
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         "pushl %%ebx\n"
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	 "movl %0, %%ebx\n"
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   302
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         ".align 8\n"
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         "1:\n"
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         "movd           (%1),                   %%mm0\n" // 4 Cb         0  0  0  0 u3 u2 u1 u0
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         "pxor           %%mm7,                  %%mm7\n"
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         "movd           (%%ebx),                %%mm1\n" // 4 Cr                0  0  0  0 v3 v2 v1 v0
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         "punpcklbw      %%mm7,                  %%mm0\n" // 4 W cb   0 u3  0 u2  0 u1  0 u0
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         "punpcklbw      %%mm7,                  %%mm1\n" // 4 W cr   0 v3  0 v2  0 v1  0 v0
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#ifdef GCC2_HACK
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         "psubw          _MMX_0080w,             %%mm0\n"
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         "psubw          _MMX_0080w,             %%mm1\n"
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#else
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         "psubw          %[_MMX_0080w],             %%mm0\n"
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         "psubw          %[_MMX_0080w],             %%mm1\n"
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#endif
0
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         "movq           %%mm0,                  %%mm2\n" // Cb                   0 u3  0 u2  0 u1  0 u0
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         "movq           %%mm1,                  %%mm3\n" // Cr
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#ifdef GCC2_HACK
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         "pmullw         _MMX_Ugrn565,           %%mm2\n" // Cb2green 0 R3  0 R2  0 R1  0 R0
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   321
#else
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         "pmullw         %[_MMX_Ugrn565],           %%mm2\n" // Cb2green 0 R3  0 R2  0 R1  0 R0
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   323
#endif
0
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         "movq           (%2),                   %%mm6\n" // L1      l7 L6 L5 L4 L3 L2 L1 L0
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   325
#ifdef GCC2_HACK
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         "pmullw         _MMX_Ublu5x5,           %%mm0\n" // Cb2blue
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         "pand           _MMX_00FFw,             %%mm6\n" // L1      00 L6 00 L4 00 L2 00 L0
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   328
         "pmullw         _MMX_Vgrn565,           %%mm3\n" // Cr2green
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   329
#else
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   330
         "pmullw         %[_MMX_Ublu5x5],           %%mm0\n" // Cb2blue
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   331
         "pand           %[_MMX_00FFw],             %%mm6\n" // L1      00 L6 00 L4 00 L2 00 L0
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   332
         "pmullw         %[_MMX_Vgrn565],           %%mm3\n" // Cr2green
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   333
#endif
0
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   334
         "movq           (%2),                   %%mm7\n" // L2
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   335
#ifdef GCC2_HACK
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   336
         "pmullw         _MMX_Vred5x5,           %%mm1\n" // Cr2red
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   337
#else
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         "pmullw         %[_MMX_Vred5x5],           %%mm1\n" // Cr2red
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   339
#endif
0
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   340
         "psrlw          $8,                     %%mm7\n"        // L2           00 L7 00 L5 00 L3 00 L1
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   341
#ifdef GCC2_HACK
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   342
         "pmullw         _MMX_Ycoeff,            %%mm6\n" // lum1
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   343
#else
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   344
         "pmullw         %[_MMX_Ycoeff],            %%mm6\n" // lum1
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   345
#endif
0
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   346
         "paddw          %%mm3,                  %%mm2\n" // Cb2green + Cr2green == green
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   347
#ifdef GCC2_HACK
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   348
         "pmullw         _MMX_Ycoeff,            %%mm7\n" // lum2
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   349
#else
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   350
         "pmullw         %[_MMX_Ycoeff],            %%mm7\n" // lum2
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   351
#endif
0
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   352
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   353
         "movq           %%mm6,                  %%mm4\n" // lum1
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diff changeset
   354
         "paddw          %%mm0,                  %%mm6\n" // lum1 +blue 00 B6 00 B4 00 B2 00 B0
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diff changeset
   355
         "movq           %%mm4,                  %%mm5\n" // lum1
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diff changeset
   356
         "paddw          %%mm1,                  %%mm4\n" // lum1 +red  00 R6 00 R4 00 R2 00 R0
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diff changeset
   357
         "paddw          %%mm2,                  %%mm5\n" // lum1 +green 00 G6 00 G4 00 G2 00 G0
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diff changeset
   358
         "psraw          $6,                     %%mm4\n" // R1 0 .. 64
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diff changeset
   359
         "movq           %%mm7,                  %%mm3\n" // lum2                       00 L7 00 L5 00 L3 00 L1
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diff changeset
   360
         "psraw          $6,                     %%mm5\n" // G1  - .. +
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diff changeset
   361
         "paddw          %%mm0,                  %%mm7\n" // Lum2 +blue 00 B7 00 B5 00 B3 00 B1
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diff changeset
   362
         "psraw          $6,                     %%mm6\n" // B1         0 .. 64
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diff changeset
   363
         "packuswb       %%mm4,                  %%mm4\n" // R1 R1
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diff changeset
   364
         "packuswb       %%mm5,                  %%mm5\n" // G1 G1
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diff changeset
   365
         "packuswb       %%mm6,                  %%mm6\n" // B1 B1
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parents:
diff changeset
   366
         "punpcklbw      %%mm4,                  %%mm4\n"
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diff changeset
   367
         "punpcklbw      %%mm5,                  %%mm5\n"
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diff changeset
   368
1038
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   369
#ifdef GCC2_HACK
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   370
         "pand           _MMX_red565,            %%mm4\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   371
#else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   372
         "pand           %[_MMX_red565],            %%mm4\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   373
#endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   374
         "psllw          $3,                     %%mm5\n" // GREEN       1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   375
         "punpcklbw      %%mm6,                  %%mm6\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   376
#ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   377
         "pand           _MMX_grn565,            %%mm5\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   378
         "pand           _MMX_red565,            %%mm6\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   379
#else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   380
         "pand           %[_MMX_grn565],            %%mm5\n"
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   381
         "pand           %[_MMX_red565],            %%mm6\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   382
#endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   383
         "por            %%mm5,                  %%mm4\n" //
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   384
         "psrlw          $11,                    %%mm6\n" // BLUE        1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   385
         "movq           %%mm3,                  %%mm5\n" // lum2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   386
         "paddw          %%mm1,                  %%mm3\n" // lum2 +red      00 R7 00 R5 00 R3 00 R1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   387
         "paddw          %%mm2,                  %%mm5\n" // lum2 +green 00 G7 00 G5 00 G3 00 G1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   388
         "psraw          $6,                     %%mm3\n" // R2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   389
         "por            %%mm6,                  %%mm4\n" // MM4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   390
         "psraw          $6,                     %%mm5\n" // G2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   391
         "movq           (%2, %4),               %%mm6\n" // L3 load lum2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   392
         "psraw          $6,                     %%mm7\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   393
         "packuswb       %%mm3,                  %%mm3\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   394
         "packuswb       %%mm5,                  %%mm5\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   395
         "packuswb       %%mm7,                  %%mm7\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   396
#ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   397
         "pand           _MMX_00FFw,             %%mm6\n" // L3
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   398
#else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   399
         "pand           %[_MMX_00FFw],             %%mm6\n" // L3
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   400
#endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   401
         "punpcklbw      %%mm3,                  %%mm3\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   402
         "punpcklbw      %%mm5,                  %%mm5\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   403
#ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   404
         "pmullw         _MMX_Ycoeff,            %%mm6\n" // lum3
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   405
#else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   406
         "pmullw         %[_MMX_Ycoeff],            %%mm6\n" // lum3
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   407
#endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   408
         "punpcklbw      %%mm7,                  %%mm7\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   409
         "psllw          $3,                     %%mm5\n" // GREEN 2
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   410
#ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   411
         "pand           _MMX_red565,            %%mm7\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   412
         "pand           _MMX_red565,            %%mm3\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   413
#else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   414
         "pand           %[_MMX_red565],            %%mm7\n"
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   415
         "pand           %[_MMX_red565],            %%mm3\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   416
#endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   417
         "psrlw          $11,                    %%mm7\n" // BLUE  2
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   418
#ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   419
         "pand           _MMX_grn565,            %%mm5\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   420
#else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   421
         "pand           %[_MMX_grn565],            %%mm5\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   422
#endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   423
         "por            %%mm7,                  %%mm3\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   424
         "movq           (%2,%4),                %%mm7\n" // L4 load lum2
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   425
         "por            %%mm5,                  %%mm3\n" //
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   426
         "psrlw          $8,                     %%mm7\n" // L4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   427
         "movq           %%mm4,                  %%mm5\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   428
         "punpcklwd      %%mm3,                  %%mm4\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   429
#ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   430
         "pmullw         _MMX_Ycoeff,            %%mm7\n" // lum4
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   431
#else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   432
         "pmullw         %[_MMX_Ycoeff],            %%mm7\n" // lum4
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   433
#endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   434
         "punpckhwd      %%mm3,                  %%mm5\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   435
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   436
         "movq           %%mm4,                  (%3)\n"  // write row1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   437
         "movq           %%mm5,                  8(%3)\n" // write row1
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   438
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   439
         "movq           %%mm6,                  %%mm4\n" // Lum3
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   440
         "paddw          %%mm0,                  %%mm6\n" // Lum3 +blue
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   441
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   442
         "movq           %%mm4,                  %%mm5\n" // Lum3
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   443
         "paddw          %%mm1,                  %%mm4\n" // Lum3 +red
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   444
         "paddw          %%mm2,                  %%mm5\n" // Lum3 +green
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   445
         "psraw          $6,                     %%mm4\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   446
         "movq           %%mm7,                  %%mm3\n" // Lum4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   447
         "psraw          $6,                     %%mm5\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   448
         "paddw          %%mm0,                  %%mm7\n" // Lum4 +blue
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   449
         "psraw          $6,                     %%mm6\n" // Lum3 +blue
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   450
         "movq           %%mm3,                  %%mm0\n" // Lum4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   451
         "packuswb       %%mm4,                  %%mm4\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   452
         "paddw          %%mm1,                  %%mm3\n" // Lum4 +red
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   453
         "packuswb       %%mm5,                  %%mm5\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   454
         "paddw          %%mm2,                  %%mm0\n" // Lum4 +green
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   455
         "packuswb       %%mm6,                  %%mm6\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   456
         "punpcklbw      %%mm4,                  %%mm4\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   457
         "punpcklbw      %%mm5,                  %%mm5\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   458
         "punpcklbw      %%mm6,                  %%mm6\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   459
         "psllw          $3,                     %%mm5\n" // GREEN 3
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   460
#ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   461
         "pand           _MMX_red565,            %%mm4\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   462
#else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   463
         "pand           %[_MMX_red565],            %%mm4\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   464
#endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   465
         "psraw          $6,                     %%mm3\n" // psr 6
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   466
         "psraw          $6,                     %%mm0\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   467
#ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   468
         "pand           _MMX_red565,            %%mm6\n" // BLUE
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   469
         "pand           _MMX_grn565,            %%mm5\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   470
#else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   471
         "pand           %[_MMX_red565],            %%mm6\n" // BLUE
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   472
         "pand           %[_MMX_grn565],            %%mm5\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   473
#endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   474
         "psrlw          $11,                    %%mm6\n" // BLUE  3
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   475
         "por            %%mm5,                  %%mm4\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   476
         "psraw          $6,                     %%mm7\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   477
         "por            %%mm6,                  %%mm4\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   478
         "packuswb       %%mm3,                  %%mm3\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   479
         "packuswb       %%mm0,                  %%mm0\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   480
         "packuswb       %%mm7,                  %%mm7\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   481
         "punpcklbw      %%mm3,                  %%mm3\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   482
         "punpcklbw      %%mm0,                  %%mm0\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   483
         "punpcklbw      %%mm7,                  %%mm7\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   484
#ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   485
         "pand           _MMX_red565,            %%mm3\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   486
         "pand           _MMX_red565,            %%mm7\n" // BLUE
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   487
#else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   488
         "pand           %[_MMX_red565],            %%mm3\n"
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   489
         "pand           %[_MMX_red565],            %%mm7\n" // BLUE
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   490
#endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   491
         "psllw          $3,                     %%mm0\n" // GREEN 4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   492
         "psrlw          $11,                    %%mm7\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   493
#ifdef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   494
         "pand           _MMX_grn565,            %%mm0\n"
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   495
#else
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   496
         "pand           %[_MMX_grn565],            %%mm0\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   497
#endif
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   498
         "por            %%mm7,                  %%mm3\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   499
         "por            %%mm0,                  %%mm3\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   500
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   501
         "movq           %%mm4,                  %%mm5\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   502
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   503
         "punpcklwd      %%mm3,                  %%mm4\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   504
         "punpckhwd      %%mm3,                  %%mm5\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   505
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   506
         "movq           %%mm4,                  (%5)\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   507
	 "movq           %%mm5,                  8(%5)\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   508
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   509
         "addl           $8,                     %6\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   510
         "addl           $8,                     %2\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   511
         "addl           $4,                     %%ebx\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   512
         "addl           $4,                     %1\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   513
         "cmpl           %4,                     %6\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   514
         "leal           16(%3),                 %3\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   515
	 "leal           16(%5),%5\n" // row2+16
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   516
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   517
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   518
         "jl             1b\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   519
	 "addl           %4,     %2\n" // lum += cols 
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   520
	 "addl           %8,     %3\n" // row1+= mod
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   521
	 "addl           %8,     %5\n" // row2+= mod
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   522
	 "movl           $0,     %6\n" // x=0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   523
	 "cmpl           %7,     %2\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   524
	 "jl             1b\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   525
         "emms\n"
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   526
	 "popl %%ebx\n"
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   527
         :
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   528
         :"m" (cr), "r"(cb),"r"(lum),
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   529
	 "r"(row1),"r"(cols),"r"(row2),"m"(x),"m"(y),"m"(mod)
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   530
#ifndef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   531
	 ,[_MMX_0080w] "m" (*MMX_0080w),
949
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   532
	 [_MMX_Ugrn565] "m" (*MMX_Ugrn565),
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   533
	 [_MMX_Ublu5x5] "m" (*MMX_Ublu5x5),
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   534
	 [_MMX_00FFw] "m" (*MMX_00FFw),
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   535
	 [_MMX_Vgrn565] "m" (*MMX_Vgrn565),
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   536
	 [_MMX_Vred5x5] "m" (*MMX_Vred5x5),
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   537
	 [_MMX_Ycoeff] "m" (*MMX_Ycoeff),
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   538
	 [_MMX_red565] "m" (*MMX_red565),
e0d96eb0af19 I don't know how this got missed, but...
Sam Lantinga <slouken@libsdl.org>
parents: 946
diff changeset
   539
	 [_MMX_grn565] "m" (*MMX_grn565)
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   540
#endif
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   541
		 );
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   542
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   543
1038
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   544
#undef GCC2_HACK
29d7db09776e Ugly hack to make this work with gcc 2.x and 3.x
Sam Lantinga <slouken@libsdl.org>
parents: 949
diff changeset
   545
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   546
#endif /* GCC i386 inline assembly */