fpc/compiler/m68k/cpuinfo.pas
Károly Balogh 7093efe4c4 fixed comment, no functional changes
git-svn-id: trunk@27266 -
2014-03-24 16:53:29 +00:00

131 lines
3.7 KiB
ObjectPascal

{
Copyright (c) 1998-2002 by the Free Pascal development team
Basic Processor information for the m68k
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
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.
**********************************************************************}
Unit CPUInfo;
Interface
uses
globtype;
Type
bestreal = double;
ts32real = single;
ts64real = double;
ts80real = extended;
ts128real = type extended;
ts64comp = extended;
pbestreal=^bestreal;
{ possible supported processors for this target }
tcputype =
(cpu_none,
cpu_MC68000,
cpu_MC68020,
cpu_MC68040,
cpu_isa_a,
cpu_isa_a_p,
cpu_isa_b,
cpu_isa_c
);
tfputype =
(fpu_none,
fpu_soft,
fpu_libgcc,
fpu_68881
);
Const
{ calling conventions supported by the code generator }
supported_calling_conventions : tproccalloptions = [
pocall_internproc,
pocall_stdcall,
{ the difference to stdcall is only the name mangling }
pocall_cdecl,
{ the difference to stdcall is only the name mangling }
pocall_cppdecl,
{ this used by the PalmOS port only }
pocall_syscall
];
cputypestr : array[tcputype] of string[8] = ('',
'68000',
'68020',
'68040',
'ISAA',
'ISAA+',
'ISAB',
'ISAC'
);
gascputypestr : array[tcputype] of string[8] = ('',
'68000',
'68020',
'68040',
'isaa',
'isaaplus',
'isab',
'isac'
);
fputypestr : array[tfputype] of string[6] = ('',
'SOFT',
'LIBGCC',
'68881'
);
{ Supported optimizations, only used for information }
supported_optimizerswitches = genericlevel1optimizerswitches+
genericlevel2optimizerswitches+
genericlevel3optimizerswitches-
{ no need to write info about those }
[cs_opt_level1,cs_opt_level2,cs_opt_level3]+
[cs_opt_regvar,cs_opt_loopunroll,cs_opt_nodecse,
cs_opt_reorder_fields,cs_opt_fastmath];
level1optimizerswitches = genericlevel1optimizerswitches;
level2optimizerswitches = genericlevel2optimizerswitches + level1optimizerswitches +
[cs_opt_regvar,cs_opt_stackframe,cs_opt_nodecse];
level3optimizerswitches = genericlevel3optimizerswitches + level2optimizerswitches + [{,cs_opt_loopunroll}];
level4optimizerswitches = genericlevel4optimizerswitches + level3optimizerswitches + [];
type
tcpuflags =
(CPUM68K_HAS_DBRA, { CPU supports the DBRA instruction }
CPUM68K_HAS_CAS, { CPU supports the CAS instruction }
CPUM68K_HAS_TAS, { CPU supports the TAS instruction }
CPUM68K_HAS_BRAL { CPU supports the BRA.L/Bcc.L instructions }
);
const
cpu_capabilities : array[tcputype] of set of tcpuflags =
( { cpu_none } [],
{ cpu_68000 } [CPUM68K_HAS_DBRA,CPUM68K_HAS_TAS],
{ cpu_68020 } [CPUM68K_HAS_DBRA,CPUM68K_HAS_CAS,CPUM68K_HAS_TAS,CPUM68K_HAS_BRAL],
{ cpu_68040 } [CPUM68K_HAS_DBRA,CPUM68K_HAS_CAS,CPUM68K_HAS_TAS,CPUM68K_HAS_BRAL],
{ cpu_isaa } [],
{ cpu_isaap } [CPUM68K_HAS_BRAL],
{ cpu_isab } [CPUM68K_HAS_TAS,CPUM68K_HAS_BRAL],
{ cpu_isac } [CPUM68K_HAS_TAS]
);
{ all CPUs commonly called "coldfire" }
cpu_coldfire = [cpu_isa_a,cpu_isa_a_p,cpu_isa_b,cpu_isa_c];
Implementation
end.