1 /* 2 * Alpha optimized DSP utils 3 * copyright (c) 2002 Falk Hueffner <falk@debian.org> 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22 /* Some BSDs don't seem to have regdef.h... sigh */ 23 #ifndef AVCODEC_ALPHA_REGDEF_H 24 #define AVCODEC_ALPHA_REGDEF_H 25 26 #define v0 $0 /* function return value */ 27 28 #define t0 $1 /* temporary registers (caller-saved) */ 29 #define t1 $2 30 #define t2 $3 31 #define t3 $4 32 #define t4 $5 33 #define t5 $6 34 #define t6 $7 35 #define t7 $8 36 37 #define s0 $9 /* saved-registers (callee-saved registers) */ 38 #define s1 $10 39 #define s2 $11 40 #define s3 $12 41 #define s4 $13 42 #define s5 $14 43 #define s6 $15 44 #define fp s6 /* frame-pointer (s6 in frame-less procedures) */ 45 46 #define a0 $16 /* argument registers (caller-saved) */ 47 #define a1 $17 48 #define a2 $18 49 #define a3 $19 50 #define a4 $20 51 #define a5 $21 52 53 #define t8 $22 /* more temps (caller-saved) */ 54 #define t9 $23 55 #define t10 $24 56 #define t11 $25 57 #define ra $26 /* return address register */ 58 #define t12 $27 59 60 #define pv t12 /* procedure-variable register */ 61 #define AT $at /* assembler temporary */ 62 #define gp $29 /* global pointer */ 63 #define sp $30 /* stack pointer */ 64 #define zero $31 /* reads as zero, writes are noops */ 65 66 /* Some nicer register names. */ 67 #define ta t10 68 #define tb t11 69 #define tc t12 70 #define td AT 71 /* Danger: these overlap with the argument list and the return value */ 72 #define te a5 73 #define tf a4 74 #define tg a3 75 #define th v0 76 77 #endif /* AVCODEC_ALPHA_REGDEF_H */ 78