source: trunk/libs/newlib/src/newlib/libc/machine/mips/machine/regdef.h @ 444

/*
 * 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
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (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