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+generic register names commented

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mazen 2002-09-03 07:41:00 +00:00
parent 4537143bb6
commit 2b9b0d86ed
1 changed files with 12 additions and 19 deletions
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31
compiler/sparc/cpubase.pas
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@ -3,18 +3,13 @@
{ Author : Mazen NEIFER }
{ Project : Free Pascal Compiler (FPC) }
{ Creation date : 2002\04\26 }
{ Last modification date : 2002\08\22 }
{ Licence : GPL }
{ Bug report : mazen.neifer.01@supaero.org }
{*****************************************************************************}
{ $Id$
Copyright (c) 1998-2000 by Florian Klaempfl and Peter Vreman
Contains the base types for the i386
* This code was inspired by the NASM sources
The Netwide Assembler is copyright (C) 1996 Simon Tatham and
Julian Hall. All rights reserved.
Contains the base types for the Scalable Processor ARChitecture (SPARC)
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
@ -49,10 +44,6 @@ CONST
{$DEFINE ATTOP}
{$DEFINE ATTREG}
{$DEFINE ATTSUF}
{We Don't need the intel style opcodes as we are coding for SPARC architecture}
{$DEFINE NORA386INT}
{$DEFINE NOAG386NSM}
{$DEFINE NOAG386INT}
CONST
{Operand types}
OT_NONE = $00000000;
@ -496,15 +487,17 @@ CONST
stab_regindex:ARRAY[tregister]OF ShortInt=({$INCLUDE stabregi.inc});
{ generic register names }
stack_pointer_reg=R_O6;
frame_pointer_reg=R_I6;
self_pointer_reg=R_G5;
accumulator = R_G0;
accumulatorhigh = R_I7;
{ WARNING: don't change to R_ST0!! See comments above implementation of }
{ a_loadfpu* methods in rgcpu (JM) }
fpu_result_reg=R_F0;
mmresultreg=R_G0;
stack_pointer_reg =R_O6;
frame_pointer_reg =R_I6;
self_pointer_reg =R_G5;
{There is no accumulator in the SPARC architecture. There are just families of
registers. All registers belonging to the same family are identical except in
the "global registers" family where GO is different from the others : G0 gives
always 0 when it is red and thows away any value written to it}
accumulator = R_L0;
accumulatorhigh = R_L7;
fpu_result_reg =R_F0;
mmresultreg =R_G0;
{*****************************************************************************}
{ GCC /ABI linking information }
{*****************************************************************************}