fpc/compiler/i386/cpuinfo.pas
2012-09-02 20:55:12 +00:00

125 lines
3.4 KiB
ObjectPascal

{
Copyright (c) 1998-2004 by Florian Klaempfl
Basic Processor information
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 cpuinfo;
{$i fpcdefs.inc}
Interface
uses
globtype;
Type
bestreal = extended;
ts32real = single;
ts64real = double;
ts80real = extended;
ts128real = type extended;
ts64comp = type extended;
pbestreal=^bestreal;
{ possible supported processors for this target }
tcputype =
(cpu_none,
cpu_386,
cpu_Pentium,
cpu_Pentium2,
cpu_Pentium3,
cpu_Pentium4,
cpu_PentiumM
);
tfputype =
(fpu_none,
// fpu_soft,
fpu_x87,
fpu_sse,
fpu_sse2,
fpu_sse3,
fpu_ssse3,
fpu_sse41,
fpu_sse42,
fpu_avx
);
Const
{ calling conventions supported by the code generator }
supported_calling_conventions : tproccalloptions = [
pocall_internproc,
pocall_register,
pocall_safecall,
pocall_stdcall,
pocall_cdecl,
pocall_cppdecl,
pocall_far16,
pocall_pascal,
pocall_oldfpccall,
pocall_mwpascal
];
cputypestr : array[tcputype] of string[10] = ('',
'80386',
'PENTIUM',
'PENTIUM2',
'PENTIUM3',
'PENTIUM4',
'PENTIUMM'
);
fputypestr : array[tfputype] of string[6] = ('',
// 'SOFT',
'X87',
'SSE',
'SSE2',
'SSE3',
'SSSE3',
'SSE41',
'SSE42',
'AVX'
);
sse_singlescalar : set of tfputype = [fpu_sse,fpu_sse2,fpu_sse3];
sse_doublescalar : set of tfputype = [fpu_sse2,fpu_sse3];
{ 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_peephole,cs_opt_regvar,cs_opt_stackframe,
cs_opt_asmcse,cs_opt_loopunroll,cs_opt_uncertain,
cs_opt_tailrecursion,cs_opt_nodecse,cs_useebp,
cs_opt_reorder_fields,cs_opt_fastmath];
level1optimizerswitches = genericlevel1optimizerswitches + [cs_opt_peephole];
level2optimizerswitches = genericlevel2optimizerswitches + level1optimizerswitches +
[cs_opt_regvar,cs_opt_stackframe,cs_opt_tailrecursion,cs_opt_nodecse];
level3optimizerswitches = genericlevel3optimizerswitches + level2optimizerswitches + [{,cs_opt_loopunroll}];
level4optimizerswitches = genericlevel4optimizerswitches + level3optimizerswitches + [cs_useebp];
Implementation
end.