MythTV: mmx.h Source File

00001 /*
00002  * mmx.h
00003  * Copyright (C) 1997-2001 H. Dietz and R. Fisher
00004  *
00005  * This file is part of FFmpeg.
00006  *
00007  * FFmpeg is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Lesser General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2.1 of the License, or (at your option) any later version.
00011  *
00012  * FFmpeg is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Lesser General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Lesser General Public
00018  * License along with FFmpeg; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00020  */
00021 #ifndef FFMPEG_MMX_H
00022 #define FFMPEG_MMX_H
00023 
00024 /*
00025  * The type of an value that fits in an MMX register (note that long
00026  * long constant values MUST be suffixed by LL and unsigned long long
00027  * values by ULL, lest they be truncated by the compiler)
00028  */
00029 
00030 typedef        union {
00031         long long               q;      /* Quadword (64-bit) value */
00032         unsigned long long      uq;     /* Unsigned Quadword */
00033         int                     d[2];   /* 2 Doubleword (32-bit) values */
00034         unsigned int            ud[2];  /* 2 Unsigned Doubleword */
00035         short                   w[4];   /* 4 Word (16-bit) values */
00036         unsigned short          uw[4];  /* 4 Unsigned Word */
00037         char                    b[8];   /* 8 Byte (8-bit) values */
00038         unsigned char           ub[8];  /* 8 Unsigned Byte */
00039         float                   s[2];   /* Single-precision (32-bit) value */
00040 } mmx_t;        /* On an 8-byte (64-bit) boundary */
00041 
00042 
00043 #define         mmx_i2r(op,imm,reg) \
00044         __asm__ __volatile__ (#op " %0, %%" #reg \
00045                               : /* nothing */ \
00046                               : "i" (imm) )
00047 
00048 #define         mmx_a2r(op,a_off,a_reg,reg) \
00049         __asm__ __volatile__ (#op " " #a_off "(%0), %%" #reg \
00050                               : /* nothing */ \
00051                               : "r" (a_reg))
00052 
00053 #define         mmx_m2r(op,mem,reg) \
00054         __asm__ __volatile__ (#op " %0, %%" #reg \
00055                               : /* nothing */ \
00056                               : "m" (mem))
00057 
00058 #define         mmx_a2r(op,a_off,a_reg,reg) \
00059         __asm__ __volatile__ (#op " " #a_off "(%0), %%" #reg \
00060                               : /* nothing */ \
00061                               : "r" (a_reg))
00062 
00063 #define         mmx_r2m(op,reg,mem) \
00064         __asm__ __volatile__ (#op " %%" #reg ", %0" \
00065                               : "=m" (mem) \
00066                               : /* nothing */ )
00067 
00068 #define         mmx_r2a(op,reg,a_off,a_reg) \
00069         __asm__ __volatile__ (#op " %%" #reg ", " #a_off "(%0)" \
00070                               : /* nothing */ \
00071                               : "r"(a_reg))
00072 
00073 #define         mmx_r2r(op,regs,regd) \
00074         __asm__ __volatile__ (#op " %" #regs ", %" #regd)
00075 
00076 
00077 #define         emms() __asm__ __volatile__ ("emms")
00078 
00079 #define         movd_m2r(var,reg)           mmx_m2r (movd, var, reg)
00080 #define         movd_r2m(reg,var)           mmx_r2m (movd, reg, var)
00081 #define         movd_r2r(regs,regd)         mmx_r2r (movd, regs, regd)
00082 #define         movd_v2r(var,reg)  __asm__ __volatile__ ("movd %0, %%" #reg \
00083                                                          : /* nothing */ \
00084                                                          : "rm" (var))
00085 #define         movd_r2v(reg,var)  __asm__ __volatile__ ("movd %%" #reg ", %0" \
00086                                                          : "=rm" (var) \
00087                                                          : /* nothing */ )
00088 
00089 #define         movq_m2r(var,reg)           mmx_m2r (movq, var, reg)
00090 #define         movq_a2r(off,var,reg)       mmx_a2r (movq, off, var, reg)
00091 #define         movq_r2m(reg,var)           mmx_r2m (movq, reg, var)
00092 #define         movq_r2r(regs,regd)         mmx_r2r (movq, regs, regd)
00093 #define         movq_r2a(reg,off,var)       mmx_r2a (movq, reg, off, var)
00094 
00095 #define         packssdw_m2r(var,reg)       mmx_m2r (packssdw, var, reg)
00096 #define         packssdw_r2r(regs,regd)     mmx_r2r (packssdw, regs, regd)
00097 #define         packsswb_m2r(var,reg)       mmx_m2r (packsswb, var, reg)
00098 #define         packsswb_r2r(regs,regd)     mmx_r2r (packsswb, regs, regd)
00099 
00100 #define         packuswb_m2r(var,reg)       mmx_m2r (packuswb, var, reg)
00101 #define         packuswb_r2r(regs,regd)     mmx_r2r (packuswb, regs, regd)
00102 
00103 #define         paddb_m2r(var,reg)          mmx_m2r (paddb, var, reg)
00104 #define         paddb_r2r(regs,regd)        mmx_r2r (paddb, regs, regd)
00105 #define         paddd_m2r(var,reg)          mmx_m2r (paddd, var, reg)
00106 #define         paddd_r2r(regs,regd)        mmx_r2r (paddd, regs, regd)
00107 #define         paddw_m2r(var,reg)          mmx_m2r (paddw, var, reg)
00108 #define         paddw_r2r(regs,regd)        mmx_r2r (paddw, regs, regd)
00109 
00110 #define         paddsb_m2r(var,reg)         mmx_m2r (paddsb, var, reg)
00111 #define         paddsb_r2r(regs,regd)       mmx_r2r (paddsb, regs, regd)
00112 #define         paddsw_m2r(var,reg)         mmx_m2r (paddsw, var, reg)
00113 #define         paddsw_r2r(regs,regd)       mmx_r2r (paddsw, regs, regd)
00114 
00115 #define         paddusb_m2r(var,reg)        mmx_m2r (paddusb, var, reg)
00116 #define         paddusb_r2r(regs,regd)      mmx_r2r (paddusb, regs, regd)
00117 #define         paddusw_m2r(var,reg)        mmx_m2r (paddusw, var, reg)
00118 #define         paddusw_r2r(regs,regd)      mmx_r2r (paddusw, regs, regd)
00119 
00120 #define         pand_m2r(var,reg)           mmx_m2r (pand, var, reg)
00121 #define         pand_r2r(regs,regd)         mmx_r2r (pand, regs, regd)
00122 
00123 #define         pandn_m2r(var,reg)          mmx_m2r (pandn, var, reg)
00124 #define         pandn_r2r(regs,regd)        mmx_r2r (pandn, regs, regd)
00125 
00126 #define         pcmpeqb_m2r(var,reg)        mmx_m2r (pcmpeqb, var, reg)
00127 #define         pcmpeqb_r2r(regs,regd)      mmx_r2r (pcmpeqb, regs, regd)
00128 #define         pcmpeqd_m2r(var,reg)        mmx_m2r (pcmpeqd, var, reg)
00129 #define         pcmpeqd_r2r(regs,regd)      mmx_r2r (pcmpeqd, regs, regd)
00130 #define         pcmpeqw_m2r(var,reg)        mmx_m2r (pcmpeqw, var, reg)
00131 #define         pcmpeqw_r2r(regs,regd)      mmx_r2r (pcmpeqw, regs, regd)
00132 
00133 #define         pcmpgtb_m2r(var,reg)        mmx_m2r (pcmpgtb, var, reg)
00134 #define         pcmpgtb_r2r(regs,regd)      mmx_r2r (pcmpgtb, regs, regd)
00135 #define         pcmpgtd_m2r(var,reg)        mmx_m2r (pcmpgtd, var, reg)
00136 #define         pcmpgtd_r2r(regs,regd)      mmx_r2r (pcmpgtd, regs, regd)
00137 #define         pcmpgtw_m2r(var,reg)        mmx_m2r (pcmpgtw, var, reg)
00138 #define         pcmpgtw_r2r(regs,regd)      mmx_r2r (pcmpgtw, regs, regd)
00139 
00140 #define         pmaddwd_m2r(var,reg)        mmx_m2r (pmaddwd, var, reg)
00141 #define         pmaddwd_a2r(of,var,reg)     mmx_a2r (pmaddwd, of, var, reg)
00142 #define         pmaddwd_r2r(regs,regd)      mmx_r2r (pmaddwd, regs, regd)
00143 
00144 #define         pmulhw_m2r(var,reg)         mmx_m2r (pmulhw, var, reg)
00145 #define         pmulhw_r2r(regs,regd)       mmx_r2r (pmulhw, regs, regd)
00146 
00147 #define         pmullw_m2r(var,reg)         mmx_m2r (pmullw, var, reg)
00148 #define         pmullw_r2r(regs,regd)       mmx_r2r (pmullw, regs, regd)
00149 
00150 #define         por_m2r(var,reg)            mmx_m2r (por, var, reg)
00151 #define         por_r2r(regs,regd)          mmx_r2r (por, regs, regd)
00152 
00153 #define         pslld_i2r(imm,reg)          mmx_i2r (pslld, imm, reg)
00154 #define         pslld_m2r(var,reg)          mmx_m2r (pslld, var, reg)
00155 #define         pslld_r2r(regs,regd)        mmx_r2r (pslld, regs, regd)
00156 #define         psllq_i2r(imm,reg)          mmx_i2r (psllq, imm, reg)
00157 #define         psllq_m2r(var,reg)          mmx_m2r (psllq, var, reg)
00158 #define         psllq_r2r(regs,regd)        mmx_r2r (psllq, regs, regd)
00159 #define         psllw_i2r(imm,reg)          mmx_i2r (psllw, imm, reg)
00160 #define         psllw_m2r(var,reg)          mmx_m2r (psllw, var, reg)
00161 #define         psllw_r2r(regs,regd)        mmx_r2r (psllw, regs, regd)
00162 
00163 #define         psrad_i2r(imm,reg)          mmx_i2r (psrad, imm, reg)
00164 #define         psrad_m2r(var,reg)          mmx_m2r (psrad, var, reg)
00165 #define         psrad_r2r(regs,regd)        mmx_r2r (psrad, regs, regd)
00166 #define         psraw_i2r(imm,reg)          mmx_i2r (psraw, imm, reg)
00167 #define         psraw_m2r(var,reg)          mmx_m2r (psraw, var, reg)
00168 #define         psraw_r2r(regs,regd)        mmx_r2r (psraw, regs, regd)
00169 
00170 #define         psrld_i2r(imm,reg)          mmx_i2r (psrld, imm, reg)
00171 #define         psrld_m2r(var,reg)          mmx_m2r (psrld, var, reg)
00172 #define         psrld_r2r(regs,regd)        mmx_r2r (psrld, regs, regd)
00173 #define         psrlq_i2r(imm,reg)          mmx_i2r (psrlq, imm, reg)
00174 #define         psrlq_m2r(var,reg)          mmx_m2r (psrlq, var, reg)
00175 #define         psrlq_r2r(regs,regd)        mmx_r2r (psrlq, regs, regd)
00176 #define         psrlw_i2r(imm,reg)          mmx_i2r (psrlw, imm, reg)
00177 #define         psrlw_m2r(var,reg)          mmx_m2r (psrlw, var, reg)
00178 #define         psrlw_r2r(regs,regd)        mmx_r2r (psrlw, regs, regd)
00179 
00180 #define         psubb_m2r(var,reg)          mmx_m2r (psubb, var, reg)
00181 #define         psubb_r2r(regs,regd)        mmx_r2r (psubb, regs, regd)
00182 #define         psubd_m2r(var,reg)          mmx_m2r (psubd, var, reg)
00183 #define         psubd_r2r(regs,regd)        mmx_r2r (psubd, regs, regd)
00184 #define         psubw_m2r(var,reg)          mmx_m2r (psubw, var, reg)
00185 #define         psubw_r2r(regs,regd)        mmx_r2r (psubw, regs, regd)
00186 
00187 #define         psubsb_m2r(var,reg)         mmx_m2r (psubsb, var, reg)
00188 #define         psubsb_r2r(regs,regd)       mmx_r2r (psubsb, regs, regd)
00189 #define         psubsw_m2r(var,reg)         mmx_m2r (psubsw, var, reg)
00190 #define         psubsw_r2r(regs,regd)       mmx_r2r (psubsw, regs, regd)
00191 
00192 #define         psubusb_m2r(var,reg)        mmx_m2r (psubusb, var, reg)
00193 #define         psubusb_r2r(regs,regd)      mmx_r2r (psubusb, regs, regd)
00194 #define         psubusw_m2r(var,reg)        mmx_m2r (psubusw, var, reg)
00195 #define         psubusw_r2r(regs,regd)      mmx_r2r (psubusw, regs, regd)
00196 
00197 #define         punpckhbw_m2r(var,reg)      mmx_m2r (punpckhbw, var, reg)
00198 #define         punpckhbw_r2r(regs,regd)    mmx_r2r (punpckhbw, regs, regd)
00199 #define         punpckhdq_m2r(var,reg)      mmx_m2r (punpckhdq, var, reg)
00200 #define         punpckhdq_r2r(regs,regd)    mmx_r2r (punpckhdq, regs, regd)
00201 #define         punpckhwd_m2r(var,reg)      mmx_m2r (punpckhwd, var, reg)
00202 #define         punpckhwd_r2r(regs,regd)    mmx_r2r (punpckhwd, regs, regd)
00203 
00204 #define         punpcklbw_m2r(var,reg)      mmx_m2r (punpcklbw, var, reg)
00205 #define         punpcklbw_r2r(regs,regd)    mmx_r2r (punpcklbw, regs, regd)
00206 #define         punpckldq_m2r(var,reg)      mmx_m2r (punpckldq, var, reg)
00207 #define         punpckldq_r2r(regs,regd)    mmx_r2r (punpckldq, regs, regd)
00208 #define         punpcklwd_m2r(var,reg)      mmx_m2r (punpcklwd, var, reg)
00209 #define         punpcklwd_r2r(regs,regd)    mmx_r2r (punpcklwd, regs, regd)
00210 
00211 #define         pxor_m2r(var,reg)           mmx_m2r (pxor, var, reg)
00212 #define         pxor_r2r(regs,regd)         mmx_r2r (pxor, regs, regd)
00213 
00214 
00215 /* 3DNOW extensions */
00216 
00217 #define         pavgusb_m2r(var,reg)        mmx_m2r (pavgusb, var, reg)
00218 #define         pavgusb_r2r(regs,regd)      mmx_r2r (pavgusb, regs, regd)
00219 
00220 
00221 /* AMD MMX extensions - also available in intel SSE */
00222 
00223 
00224 #define         mmx_m2ri(op,mem,reg,imm) \
00225         __asm__ __volatile__ (#op " %1, %0, %%" #reg \
00226                               : /* nothing */ \
00227                               : "m" (mem), "i" (imm))
00228 #define         mmx_r2ri(op,regs,regd,imm) \
00229         __asm__ __volatile__ (#op " %0, %%" #regs ", %%" #regd \
00230                               : /* nothing */ \
00231                               : "i" (imm) )
00232 
00233 #define         mmx_fetch(mem,hint) \
00234         __asm__ __volatile__ ("prefetch" #hint " %0" \
00235                               : /* nothing */ \
00236                               : "m" (mem))
00237 
00238 
00239 #define         maskmovq(regs,maskreg)      mmx_r2ri (maskmovq, regs, maskreg)
00240 
00241 #define         movntq_r2m(mmreg,var)       mmx_r2m (movntq, mmreg, var)
00242 
00243 #define         pavgb_m2r(var,reg)          mmx_m2r (pavgb, var, reg)
00244 #define         pavgb_r2r(regs,regd)        mmx_r2r (pavgb, regs, regd)
00245 #define         pavgw_m2r(var,reg)          mmx_m2r (pavgw, var, reg)
00246 #define         pavgw_r2r(regs,regd)        mmx_r2r (pavgw, regs, regd)
00247 
00248 #define         pextrw_r2r(mmreg,reg,imm)   mmx_r2ri (pextrw, mmreg, reg, imm)
00249 
00250 #define         pinsrw_r2r(reg,mmreg,imm)   mmx_r2ri (pinsrw, reg, mmreg, imm)
00251 
00252 #define         pmaxsw_m2r(var,reg)         mmx_m2r (pmaxsw, var, reg)
00253 #define         pmaxsw_r2r(regs,regd)       mmx_r2r (pmaxsw, regs, regd)
00254 
00255 #define         pmaxub_m2r(var,reg)         mmx_m2r (pmaxub, var, reg)
00256 #define         pmaxub_r2r(regs,regd)       mmx_r2r (pmaxub, regs, regd)
00257 
00258 #define         pminsw_m2r(var,reg)         mmx_m2r (pminsw, var, reg)
00259 #define         pminsw_r2r(regs,regd)       mmx_r2r (pminsw, regs, regd)
00260 
00261 #define         pminub_m2r(var,reg)         mmx_m2r (pminub, var, reg)
00262 #define         pminub_r2r(regs,regd)       mmx_r2r (pminub, regs, regd)
00263 
00264 #define         pmovmskb(mmreg,reg) \
00265         __asm__ __volatile__ ("movmskps %" #mmreg ", %" #reg)
00266 
00267 #define         pmulhuw_m2r(var,reg)        mmx_m2r (pmulhuw, var, reg)
00268 #define         pmulhuw_r2r(regs,regd)      mmx_r2r (pmulhuw, regs, regd)
00269 
00270 #define         prefetcht0(mem)             mmx_fetch (mem, t0)
00271 #define         prefetcht1(mem)             mmx_fetch (mem, t1)
00272 #define         prefetcht2(mem)             mmx_fetch (mem, t2)
00273 #define         prefetchnta(mem)            mmx_fetch (mem, nta)
00274 
00275 #define         psadbw_m2r(var,reg)         mmx_m2r (psadbw, var, reg)
00276 #define         psadbw_r2r(regs,regd)       mmx_r2r (psadbw, regs, regd)
00277 
00278 #define         pshufw_m2r(var,reg,imm)     mmx_m2ri(pshufw, var, reg, imm)
00279 #define         pshufw_r2r(regs,regd,imm)   mmx_r2ri(pshufw, regs, regd, imm)
00280 
00281 #define         sfence() __asm__ __volatile__ ("sfence\n\t")
00282 
00283 /* SSE2 */
00284 #define         pshufhw_m2r(var,reg,imm)    mmx_m2ri(pshufhw, var, reg, imm)
00285 #define         pshufhw_r2r(regs,regd,imm)  mmx_r2ri(pshufhw, regs, regd, imm)
00286 #define         pshuflw_m2r(var,reg,imm)    mmx_m2ri(pshuflw, var, reg, imm)
00287 #define         pshuflw_r2r(regs,regd,imm)  mmx_r2ri(pshuflw, regs, regd, imm)
00288 
00289 #define         pshufd_r2r(regs,regd,imm)   mmx_r2ri(pshufd, regs, regd, imm)
00290 
00291 #define         movdqa_m2r(var,reg)         mmx_m2r (movdqa, var, reg)
00292 #define         movdqa_r2m(reg,var)         mmx_r2m (movdqa, reg, var)
00293 #define         movdqa_r2r(regs,regd)       mmx_r2r (movdqa, regs, regd)
00294 #define         movdqu_m2r(var,reg)         mmx_m2r (movdqu, var, reg)
00295 #define         movdqu_r2m(reg,var)         mmx_r2m (movdqu, reg, var)
00296 #define         movdqu_r2r(regs,regd)       mmx_r2r (movdqu, regs, regd)
00297 
00298 #define         pmullw_r2m(reg,var)         mmx_r2m (pmullw, reg, var)
00299 
00300 #define         pslldq_i2r(imm,reg)         mmx_i2r (pslldq, imm, reg)
00301 #define         psrldq_i2r(imm,reg)         mmx_i2r (psrldq, imm, reg)
00302 
00303 #define         punpcklqdq_r2r(regs,regd)   mmx_r2r (punpcklqdq, regs, regd)
00304 #define         punpckhqdq_r2r(regs,regd)   mmx_r2r (punpckhqdq, regs, regd)
00305 
00306 
00307 #endif /* FFMPEG_MMX_H */