regdef.h

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/*
 * Copyright (c) 1996-2007 MIPS Technologies, Inc.
 * Copyright (C) 2009 CodeSourcery, LLC.
 * 
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 *      * Redistributions of source code must retain the above copyright
 *        notice, this list of conditions and the following disclaimer.
 *      * Redistributions in binary form must reproduce the above
 *      copyright
 *        notice, this list of conditions and the following disclaimer
 *        in the documentation and/or other materials provided with
 *        the distribution.
 *      * Neither the name of MIPS Technologies Inc. nor the names of its
 *        contributors may be used to endorse or promote products derived
 *        from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/*
 * regdef.h : MIPS Rx000 symbolic register names for assembler
 */

#ifndef _MIPS_REGDEF_H_
#define _MIPS_REGDEF_H_
 
#define zero    $0
 
#define AT  $1
 
#define v0  $2
#define v1  $3
 
#define a0  $4
#define a1  $5
#define a2  $6
#define a3  $7
 
#if _MIPS_SIM==_ABIN32 || _MIPS_SIM==_ABI64 || _MIPS_SIM==_ABIEABI
#define a4  $8
#define a5  $9
#define a6  $10
#define a7  $11
#define t0  $12
#define t1  $13
#define t2  $14
#define t3  $15
#define ta0 $8  /* alias for $a4 */
#define ta1 $9  /* alias for $a5 */
#define ta2 $10 /* alias for $a6 */
#define ta3 $11 /* alias for $a7 */
#else
#define t0  $8
#define t1  $9
#define t2  $10
#define t3  $11
#define t4  $12
#define t5  $13
#define t6  $14
#define t7  $15
#define ta0 $12 /* alias for $t4 */
#define ta1 $13 /* alias for $t5 */
#define ta2 $14 /* alias for $t6 */
#define ta3 $15 /* alias for $t7 */
#endif
 
#define s0  $16
#define s1  $17
#define s2  $18
#define s3  $19
#define s4  $20
#define s5  $21
#define s6  $22
#define s7  $23
#define s8  $30     /* == fp */
 
#define t8  $24
#define t9  $25
#define k0  $26
#define k1  $27
 
#define gp  $28
 
#define sp  $29
#define fp  $30
#define ra  $31
 
#endif