/* src/vm/jit/powerpc/linux/md-asm.h - assembler defines for PowerPC Linux ABI

   Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
   R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
   C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
   Institut f. Computersprachen - TU Wien

   This file is part of CACAO.

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License as
   published by the Free Software Foundation; either version 2, or (at
   your option) any later version.

   This program 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
   General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
   02111-1307, USA.

   Contact: cacao@complang.tuwien.ac.at

   Authors: Christian Thalinger

   Changes:

   $Id: md-asm.h 2815 2005-06-23 15:20:39Z twisti $

*/


#ifndef _MD_ASM_H
#define _MD_ASM_H

#include <asm/ppc_asm.h>


/* register defines ***********************************************************/

#define sp    r1

#define a0    r3
#define a1    r4
#define a2    r5
#define a3    r6
#define a4    r7
#define a5    r8
#define a6    r9
#define a7    r10

#define pv    r13

#define s0    r14
#define s1    r15

#define t0    r16
#define t1    r17
#define t2    r18
#define t3    r19
#define t4    r20
#define t5    r21
#define t6    r22
#define t7    r23

#define s2    r24
#define s3    r25
#define s4    r26
#define s5    r27
#define s6    r28
#define s7    r29
#define s8    r30
#define s9    r31

#define v0    a0
#define v1    a1

#define itmp1 r11
#define itmp2 r12
#define itmp3 r0

#define xptr  itmp1
#define xpc   itmp2

#define mptr  r12
#define mptrn 12


#define ftmp3 fr0

#define fa0   fr1
#define fa1   fr2
#define fa2   fr3
#define fa3   fr4
#define fa4   fr5
#define fa5   fr6
#define fa6   fr7
#define fa7   fr8

#define fa8   fr9
#define fa9   fr10
#define fa10  fr11
#define fa11  fr12
#define fa12  fr13

#define fs0   fr14
#define fs1   fr15

#define ftmp1 fr16
#define ftmp2 fr17

#define ft0   fr18
#define ft1   fr19
#define ft2   fr20
#define ft3   fr21
#define ft4   fr22
#define ft5   fr23

#define fs2   fr24
#define fs3   fr25
#define fs4   fr26
#define fs5   fr27
#define fs6   fr28
#define fs7   fr29
#define fs8   fr30
#define fs9   fr31

#define fv0   fa0


/* save and restore macros ****************************************************/

#define SAVE_ARGUMENT_REGISTERS(off) \
	stw     a0,(0+(off))*4(sp); \
	stw     a1,(1+(off))*4(sp); \
	stw     a2,(2+(off))*4(sp); \
	stw     a3,(3+(off))*4(sp); \
	stw     a4,(4+(off))*4(sp); \
	stw     a5,(5+(off))*4(sp); \
	stw     a6,(6+(off))*4(sp); \
	stw     a7,(7+(off))*4(sp); \
	\
	stfd    fa0,(8+(off))*4(sp); \
	stfd    fa1,(10+(off))*4(sp); \
	stfd    fa2,(12+(off))*4(sp); \
	stfd    fa3,(14+(off))*4(sp); \
	stfd    fa4,(16+(off))*4(sp); \
	stfd    fa5,(18+(off))*4(sp); \
	stfd    fa6,(20+(off))*4(sp); \
	stfd    fa7,(22+(off))*4(sp);

#define RESTORE_ARGUMENT_REGISTERS(off) \
	lwz     a0,(0+(off))*4(sp); \
	lwz     a1,(1+(off))*4(sp); \
	lwz     a2,(2+(off))*4(sp); \
	lwz     a3,(3+(off))*4(sp); \
	lwz     a4,(4+(off))*4(sp); \
	lwz     a5,(5+(off))*4(sp); \
	lwz     a6,(6+(off))*4(sp); \
	lwz     a7,(7+(off))*4(sp); \
	\
	lfd     fa0,(8+(off))*4(sp); \
	lfd     fa1,(10+(off))*4(sp); \
	lfd     fa2,(12+(off))*4(sp); \
	lfd     fa3,(14+(off))*4(sp); \
	lfd     fa4,(16+(off))*4(sp); \
	lfd     fa5,(18+(off))*4(sp); \
	lfd     fa6,(20+(off))*4(sp); \
	lfd     fa7,(22+(off))*4(sp);


#define SAVE_TEMPORARY_REGISTERS(off) \
	stw     t0,(0+(off))*4(sp); \
	stw     t1,(1+(off))*4(sp); \
	stw     t2,(2+(off))*4(sp); \
	stw     t3,(3+(off))*4(sp); \
	stw     t4,(4+(off))*4(sp); \
	stw     t5,(5+(off))*4(sp); \
	stw     t6,(6+(off))*4(sp); \
	stw     t7,(7+(off))*4(sp); \
	\
	stfd    ft0,(8+(off))*4(sp); \
	stfd    ft1,(10+(off))*4(sp); \
	stfd    ft2,(12+(off))*4(sp); \
	stfd    ft3,(14+(off))*4(sp); \
	stfd    ft4,(16+(off))*4(sp); \
	stfd    ft5,(18+(off))*4(sp);

#define RESTORE_TEMPORARY_REGISTERS(off) \
	lwz     t0,(0+(off))*4(sp); \
	lwz     t1,(1+(off))*4(sp); \
	lwz     t2,(2+(off))*4(sp); \
	lwz     t3,(3+(off))*4(sp); \
	lwz     t4,(4+(off))*4(sp); \
	lwz     t5,(5+(off))*4(sp); \
	lwz     t6,(6+(off))*4(sp); \
	lwz     t7,(7+(off))*4(sp); \
	\
	lfd     ft0,(8+(off))*4(sp); \
	lfd     ft1,(10+(off))*4(sp); \
	lfd     ft2,(12+(off))*4(sp); \
	lfd     ft3,(14+(off))*4(sp); \
	lfd     ft4,(16+(off))*4(sp); \
	lfd     ft5,(18+(off))*4(sp);

#endif /* _MD_ASM_H */


/*
 * These are local overrides for various environment variables in Emacs.
 * Please do not remove this and leave it at the end of the file, where
 * Emacs will automagically detect them.
 * ---------------------------------------------------------------------
 * Local variables:
 * mode: c
 * indent-tabs-mode: t
 * c-basic-offset: 4
 * tab-width: 4
 * End:
 */