fpc/compiler/vis/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

80 lines
2.2 KiB
ObjectPascal

{
Copyright (c) 1998-2002 by the Free Pascal development team
Basic Processor information for the virtual instruction set
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
{ Architecture word - Native unsigned type }
AWord = Longword;
PAWord = ^AWord;
{ this must be an ordinal type with the same size as a pointer }
{ to allow some dirty type casts for example when using }
{ tconstsym.value }
{ Note: must be unsigned!! Otherwise, ugly code like }
{ pointer(-1) will result in a pointer with the value }
{ $fffffffffffffff on a 32bit machine if the compiler uses }
{ int64 constants internally (JM) }
TConstPtrUInt = Longword;
bestreal = double;
{$if FPC_FULLVERSION>20700}
bestrealrec = TDoubleRec;
{$endif FPC_FULLVERSION>20700}
ts32real = single;
ts64real = double;
ts80real = extended;
ts64comp = comp;
pbestreal=^bestreal;
{ possible supported processors for this target }
tcputype = (cpu_none);
tcontrollertype =
(ct_none
);
Const
{ Is there support for dealing with multiple microcontrollers available }
{ for this platform? }
ControllerSupport = false;
{# Size of native extended floating point type }
extended_size = 8;
{# Size of a pointer }
sizeof(aint) = 4;
{# Size of a multimedia register }
mmreg_size = 8;
{ target cpu string (used by compiler options) }
target_cpu_string = 'vis';
{ We know that there are fields after sramsize
but we don't care about this warning }
{$PUSH}
{$WARN 3177 OFF}
embedded_controllers : array [tcontrollertype] of tcontrollerdatatype =
(
(controllertypestr:''; controllerunitstr:''; flashbase:0; flashsize:0; srambase:0; sramsize:0));
{$POP}
Implementation
end.