| 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 */ |