+ abs, sqr, sqrt implementations

This commit is contained in:
Jonas Maebe 2002-08-10 17:15:00 +00:00
parent 3a23eefecc
commit f1f27e99b4
2 changed files with 158 additions and 2 deletions

View File

@ -41,7 +41,7 @@ unit cpunode;
// nppcflw,
// nppcmem,
// nppcset,
// nppcinl,
nppcinl,
// nppcopt,
{ this not really a node }
// nppcobj,
@ -52,7 +52,10 @@ unit cpunode;
end.
{
$Log$
Revision 1.12 2002-08-10 14:52:52 carl
Revision 1.13 2002-08-10 17:15:00 jonas
+ abs, sqr, sqrt implementations
Revision 1.12 2002/08/10 14:52:52 carl
+ moved target_cpu_string to cpuinfo
* renamed asmmode enum.
* assembler reader has now less ifdef's

View File

@ -0,0 +1,153 @@
{
$Id$
Copyright (c) 1998-2002 by Florian Klaempfl
Generate i386 inline nodes
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 nppcinl;
{$i fpcdefs.inc}
interface
uses
node,ninl,ncginl;
type
tppcinlinenode = class(tcginlinenode)
{ first pass override
so that the code generator will actually generate
these nodes.
}
function first_abs_real: tnode; override;
function first_sqr_real: tnode; override;
function first_sqrt_real: tnode; override;
procedure second_abs_real; override;
procedure second_sqr_real; override;
procedure second_sqrt_real; override;
private
procedure load_fpu_location;
end;
implementation
uses
globtype,systems,
cutils,verbose,globals,fmodule,
symconst,symdef,defbase,
aasmbase,aasmtai,aasmcpu,
cginfo,cgbase,pass_1,pass_2,
cpubase,paramgr,
nbas,ncon,ncal,ncnv,nld,
cga,tgobj,ncgutil,cgobj,cg64f32,rgobj,rgcpu;
{*****************************************************************************
TPPCINLINENODE
*****************************************************************************}
function tppcinlinenode.first_abs_real : tnode;
begin
location.loc:=LOC_FPUREGISTER;
registers32:=left.registers32;
registersfpu:=max(left.registersfpu,1);
{$ifdef SUPPORT_MMX}
registersmmx:=left.registersmmx;
{$endif SUPPORT_MMX}
first_abs_real := nil;
end;
function tppcinlinenode.first_sqr_real : tnode;
begin
location.loc:=LOC_FPUREGISTER;
registers32:=left.registers32;
registersfpu:=max(left.registersfpu,1);
{$ifdef SUPPORT_MMX}
registersmmx:=left.registersmmx;
{$endif SUPPORT_MMX}
first_sqr_real := nil;
end;
function tppcinlinenode.first_sqrt_real : tnode;
begin
location.loc:=LOC_FPUREGISTER;
registers32:=left.registers32;
registersfpu:=max(left.registersfpu,1);
{$ifdef SUPPORT_MMX}
registersmmx:=left.registersmmx;
{$endif SUPPORT_MMX}
first_sqrt_real := nil;
end;
{ load the FPU into the an fpu register }
procedure tppcinlinenode.load_fpu_location;
begin
location_reset(location,LOC_FPUREGISTER,def_cgsize(resulttype.def));
secondpass(left);
case left.location.loc of
LOC_FPUREGISTER:
location.register := left.location.register;
LOC_CFPUREGISTER:
begin
location.register := rg.getregisterfpu(exprasmlist);
end;
LOC_REFERENCE,LOC_CREFERENCE:
begin
location.register := rg.getregisterfpu(exprasmlist);
cg.a_loadfpu_ref_reg(exprasmlist,
def_cgsize(left.resulttype.def),
left.location.reference,location.register);
location_release(exprasmlist,left.location);
end
else
internalerror(309991);
end;
end;
procedure tppcinlinenode.second_abs_real;
begin
load_fpu_location;
exprasmlist.concat(taicpu.op_none(A_FABS));
end;
procedure tppcinlinenode.second_sqr_real;
begin
load_fpu_location;
exprasmlist.concat(taicpu.op_reg_reg_reg(A_FMUL,location.register,
left.location.register,left.location.register));
end;
procedure tppcinlinenode.second_sqrt_real;
begin
load_fpu_location;
exprasmlist.concat(taicpu.op_reg_reg(A_FMUL,location.register,
left.location.register));
end;
begin
cinlinenode:=tppcinlinenode;
end.
{
$Log$
Revision 1.1 2002-08-10 17:15:00 jonas
+ abs, sqr, sqrt implementations
}