|
@@ -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
|
|
|
+
|
|
|
+
|
|
|
+}
|