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author | peter <peter@3ad0048d-3df7-0310-abae-a5850022a9f2> | 2005-10-20 19:20:38 +0000 |
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committer | peter <peter@3ad0048d-3df7-0310-abae-a5850022a9f2> | 2005-10-20 19:20:38 +0000 |
commit | 5ed980d600661e3e77f429a510f093f4a001dee9 (patch) | |
tree | 40d655e7921c1019d039da654a9df550de3cd249 /compiler/sparc/itcpugas.pas | |
parent | 907c764cb881dab769452696fc5e6bee076c2656 (diff) | |
download | fpc-5ed980d600661e3e77f429a510f093f4a001dee9.tar.gz |
* retag for unitrwunitrw
git-svn-id: http://svn.freepascal.org/svn/fpc/branches/unitrw@1551 3ad0048d-3df7-0310-abae-a5850022a9f2
Diffstat (limited to 'compiler/sparc/itcpugas.pas')
-rw-r--r-- | compiler/sparc/itcpugas.pas | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/compiler/sparc/itcpugas.pas b/compiler/sparc/itcpugas.pas new file mode 100644 index 0000000000..c3a1ae4599 --- /dev/null +++ b/compiler/sparc/itcpugas.pas @@ -0,0 +1,98 @@ +{ + Copyright (c) 1998-2002 by Mazen NEIFER + + This unit contains the SPARC GAS instruction tables + + 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 of the License, 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., 675 Mass Ave, Cambridge, MA 02139, USA. + + **************************************************************************** +} +unit itcpugas; + +{$i fpcdefs.inc} + +interface + + uses + cpubase,cgbase; + + const + gas_op2str : array[tasmop] of string[14] = ({$INCLUDE strinst.inc}); + + function gas_regnum_search(const s:string):Tregister; + function gas_regname(r:Tregister):string; + + +implementation + + uses + cutils,verbose; + + const + gas_regname_table : array[tregisterindex] of string[7] = ( + {$i rspstd.inc} + ); + + gas_regname_index : array[tregisterindex] of tregisterindex = ( + {$i rspsri.inc} + ); + + + function findreg_by_gasname(const s:string):tregisterindex; + var + i,p : tregisterindex; + begin + {Binary search.} + p:=0; + i:=regnumber_count_bsstart; + repeat + if (p+i<=high(tregisterindex)) and (gas_regname_table[gas_regname_index[p+i]]<=s) then + p:=p+i; + i:=i shr 1; + until i=0; + if gas_regname_table[gas_regname_index[p]]=s then + findreg_by_gasname:=gas_regname_index[p] + else + findreg_by_gasname:=0; + end; + + + function gas_regnum_search(const s:string):Tregister; + begin + result:=regnumber_table[findreg_by_gasname(s)]; + end; + + + function gas_regname(r:Tregister):string; + var + hr : tregister; + p : longint; + begin + { Double uses the same table as single } + hr:=r; + case getsubreg(hr) of + R_SUBFD: + setsubreg(hr,R_SUBFS); + R_SUBL,R_SUBW,R_SUBD,R_SUBQ: + setsubreg(hr,R_SUBD); + end; + p:=findreg_by_number(hr); + if p<>0 then + result:=gas_regname_table[p] + else + result:=generic_regname(r); + end; + +end. |