ffmpeg/libavcodec/alpha/regdef.h

78 lines
2.3 KiB
C

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