fpc/compiler/jvm/cpuinfo.pas
florian 5c67fcc43f + change always floating point divisions into multiplications if they are a power of two,
this is an exact operation so it is always allowed
* change only divisions by normal numbers into multiplications

git-svn-id: trunk@29085 -
2014-11-16 20:47:38 +00:00

100 lines
2.7 KiB
ObjectPascal

{
Copyright (c) 2010 by the Free Pascal development team
Basic Processor information for the Java VM
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;
{$if FPC_FULLVERSION>20700}
bestrealrec = TDoubleRec;
{$endif FPC_FULLVERSION>20700}
ts32real = single;
ts64real = double;
ts80real = extended;
ts128real = extended;
ts64comp = comp;
pbestreal=^bestreal;
{ possible supported processors for this target }
tcputype =
(cpu_none,
{ jvm, same as cpu_none }
cpu_jvm,
{ jvm byte code to be translated into Dalvik bytecode: more type-
sensitive }
cpu_dalvik
);
tfputype =
(fpu_none,
fpu_standard
);
tcontrollertype =
(ct_none
);
Const
{ Is there support for dealing with multiple microcontrollers available }
{ for this platform? }
ControllerSupport = false;
{ We know that there are fields after sramsize
but we don't care about this warning }
{$PUSH}
{$WARN 3177 OFF}
embedded_controllers : array [tcontrollertype] of tcontrollerdatatype =
(
(controllertypestr:''; controllerunitstr:''; flashbase:0; flashsize:0; srambase:0; sramsize:0));
{$POP}
{ calling conventions supported by the code generator }
supported_calling_conventions : tproccalloptions = [
pocall_internproc
];
cputypestr : array[tcputype] of string[9] = ('',
'JVM',
'JVMDALVIK'
);
fputypestr : array[tfputype] of string[8] = (
'NONE',
'STANDARD'
);
{ 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_loopunroll,cs_opt_nodecse];
level1optimizerswitches = genericlevel1optimizerswitches;
level2optimizerswitches = genericlevel2optimizerswitches + level1optimizerswitches + [cs_opt_nodecse];
level3optimizerswitches = genericlevel3optimizerswitches + level2optimizerswitches + [{,cs_opt_loopunroll}];
level4optimizerswitches = genericlevel4optimizerswitches + level3optimizerswitches + [];
Implementation
end.