fpc/compiler/llvm/nllvmmat.pas
Jonas Maebe fcbde1d6e9 + hlcg/llvm support for unary minus
o converted tcgunaryminusnode.emit_float_sign_change() to use a tdef instead
     of tcgsize

git-svn-id: branches/hlcgllvm@27002 -
2014-03-06 21:41:36 +00:00

87 lines
2.6 KiB
ObjectPascal

{
Copyright (c) 2014 Jonas Maebe
Generate LLVM IR for math 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 nllvmmat;
{$i fpcdefs.inc}
interface
uses
symtype,
node, nmat, ncgmat, cgbase;
type
Tllvmunaryminusnode = class(tcgunaryminusnode)
procedure emit_float_sign_change(r: tregister; _size : tdef);override;
end;
implementation
uses
globtype, systems,
cutils, verbose, globals,
symconst, symdef,
aasmbase, aasmllvm, aasmtai, aasmdata,
defutil,
procinfo,
hlcgobj, pass_2,
ncon,
llvmbase,
ncgutil, cgutils;
{*****************************************************************************
Tllvmunaryminusnode
*****************************************************************************}
procedure Tllvmunaryminusnode.emit_float_sign_change(r: tregister; _size : tdef);
var
zeroreg: tregister;
begin
if _size.typ<>floatdef then
internalerror(2014012212);
zeroreg:=hlcg.getfpuregister(current_asmdata.CurrAsmList,_size);
case tfloatdef(_size).floattype of
s32real,s64real:
current_asmdata.CurrAsmList.concat(taillvm.op_reg_size_fpconst_size(la_bitcast,zeroreg,_size,0,_size));
{ comp and currency are handled as int64 at the llvm level }
s64comp,
s64currency:
{ sc80floattype instead of _size, see comment in thlcgllvm.a_loadfpu_ref_reg }
current_asmdata.CurrAsmList.concat(taillvm.op_reg_size_const_size(la_sitofp,zeroreg,s64inttype,0,sc80floattype));
{$ifdef cpuextended}
s80real,sc80real:
current_asmdata.CurrAsmList.concat(taillvm.op_reg_size_fpconst80_size(la_bitcast,zeroreg,_size,0.0,_size));
{$endif cpuextended}
end;
current_asmdata.CurrAsmList.Concat(taillvm.op_reg_size_reg_reg(la_fsub,r,_size,zeroreg,r));
end;
begin
(*
cmoddivnode := tllvmmoddivnode;
cshlshrnode := tllvmshlshrnode;
cnotnode := tllvmnotnode;
*)
cunaryminusnode := Tllvmunaryminusnode;
end.