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https://gitlab.com/freepascal.org/fpc/source.git
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135 lines
3.7 KiB
ObjectPascal
135 lines
3.7 KiB
ObjectPascal
{
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$Id$
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Copyright (c) 1998-2002 by Florian Klaempfl
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This unit implements the SPARC specific class for the register
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allocator
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************}
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unit rgcpu;
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{$i fpcdefs.inc}
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interface
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uses
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cgbase,rgobj;
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type
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trgcpu=class(trgobj)
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procedure add_constraints(reg:tregister);override;
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end;
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implementation
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uses
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cpubase;
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procedure trgcpu.add_constraints(reg:tregister);
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var
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supreg,i: Tsuperregister;
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r: Tregister;
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begin
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{ Let 64bit floats conflict with all odd float regs }
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if getsubreg(reg)=R_SUBFD then
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begin
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supreg:=getsupreg(reg);
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i:=RS_F1;
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while (i<=RS_F31) do
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begin
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add_edge(supreg,i);
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inc(i,2);
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end;
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end;
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end;
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end.
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{
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$Log$
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Revision 1.20 2003-10-24 15:20:37 peter
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* added more register functions
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Revision 1.19 2003/10/01 20:34:50 peter
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* procinfo unit contains tprocinfo
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* cginfo renamed to cgbase
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* moved cgmessage to verbose
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* fixed ppc and sparc compiles
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Revision 1.18 2003/09/14 19:19:05 peter
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* updates for new ra
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Revision 1.17 2003/09/03 15:55:01 peter
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* NEWRA branch merged
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Revision 1.16.2.2 2003/09/02 17:49:17 peter
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* newra updates
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Revision 1.16.2.1 2003/09/01 21:02:55 peter
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* sparc updates for new tregister
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Revision 1.16 2003/08/11 21:18:20 peter
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* start of sparc support for newra
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Revision 1.15 2003/07/02 22:18:04 peter
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* paraloc splitted in callerparaloc,calleeparaloc
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* sparc calling convention updates
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Revision 1.14 2003/06/17 16:36:11 peter
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* freeintparaloc added
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Revision 1.13 2003/06/12 22:47:52 mazen
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- unused temp var r removed in GetExplicitRegisterInt function
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* some case added for var and fauncions naming
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Revision 1.12 2003/06/12 21:11:44 peter
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* updates like the powerpc
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Revision 1.11 2003/06/01 21:38:07 peter
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* getregisterfpu size parameter added
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* op_const_reg size parameter added
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* sparc updates
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Revision 1.10 2003/05/31 01:00:51 peter
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* register fixes
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Revision 1.9 2003/04/22 10:09:35 daniel
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+ Implemented the actual register allocator
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+ Scratch registers unavailable when new register allocator used
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+ maybe_save/maybe_restore unavailable when new register allocator used
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Revision 1.8 2003/03/15 22:51:58 mazen
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* remaking sparc rtl compile
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Revision 1.7 2003/03/10 21:59:54 mazen
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* fixing index overflow in handling new registers arrays.
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Revision 1.6 2003/02/19 22:00:17 daniel
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* Code generator converted to new register notation
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- Horribily outdated todo.txt removed
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Revision 1.5 2003/01/08 18:43:58 daniel
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* Tregister changed into a record
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Revision 1.4 2002/10/13 21:46:07 mazen
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* assembler output format fixed
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Revision 1.3 2002/10/12 19:03:23 mazen
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* Get/Unget expilit registers to be re-examined
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}
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