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* avr stuff, work in progress

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git-svn-id: trunk@13444 -
This commit is contained in:
florian 2009-07-25 19:31:06 +00:00
parent ff2e7e670b
commit 9856e548ed
5 changed files with 232 additions and 1 deletions
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1
.gitattributes vendored
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@ -90,6 +90,7 @@ compiler/avr/cpupi.pas svneol=native#text/plain
compiler/avr/cputarg.pas svneol=native#text/plain
compiler/avr/itcpugas.pas svneol=native#text/plain
compiler/avr/navradd.pas svneol=native#text/plain
compiler/avr/navrcnv.pas svneol=native#text/plain
compiler/avr/navrmat.pas svneol=native#text/plain
compiler/avr/raavr.pas svneol=native#text/plain
compiler/avr/raavrgas.pas svneol=native#text/plain

39
compiler/avr/cgcpu.pas
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@ -368,8 +368,45 @@ unit cgcpu;
end;
procedure tcgavr.a_load_ref_reg(list : TAsmList; fromsize, tosize : tcgsize;const Ref : treference;reg : tregister);
procedure tcgarm.a_load_ref_reg(list : TAsmList; fromsize, tosize : tcgsize;const Ref : treference;reg : tregister);
var
oppostfix:toppostfix;
usedtmpref: treference;
tmpreg,tmpreg2 : tregister;
so : tshifterop;
dir : integer;
begin
if (TCGSize2Size[FromSize] >= TCGSize2Size[ToSize]) then
FromSize := ToSize;
case FromSize of
{ signed integer registers }
OS_8:
oppostfix:=PF_B;
OS_S8:
oppostfix:=PF_SB;
OS_16:
oppostfix:=PF_H;
OS_S16:
oppostfix:=PF_SH;
OS_32,
OS_S32:
oppostfix:=PF_None;
else
InternalError(200308297);
end;
handle_load_store(list,A_LDR,oppostfix,reg,ref);
if (fromsize=OS_S8) and (tosize = OS_16) then
a_load_reg_reg(list,OS_16,OS_32,reg,reg);
end;
procedure tcgavr.a_load_ref_reg(list : TAsmList; fromsize, tosize : tcgsize;const Ref : treference;reg : tregister);
var
href : treference;
begin
if (ref.base=R_NO) and (ref.index=R_NO) then
end;

1
compiler/avr/cpunode.pas
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@ -36,6 +36,7 @@ unit cpunode;
}
,navradd
,navrmat
,navrcnv
;

12
compiler/avr/navradd.pas
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@ -196,7 +196,18 @@ interface
function tavraddnode.pass_1 : tnode;
begin
result:=inherited pass_1;
{
if not(assigned(result)) then
begin
unsigned:=not(is_signed(left.resultdef)) or
not(is_signed(right.resultdef));
if is_64bit(left.resultdef) and
((nodetype in [equaln,unequaln]) or
(unsigned and (nodetype in [ltn,lten,gtn,gten]))
) then
expectloc:=LOC_FLAGS;
end;
{ handling boolean expressions }
if not(assigned(result)) and
(
@ -205,6 +216,7 @@ interface
is_dynamic_array(left.resultdef)
) then
expectloc:=LOC_FLAGS;
}
end;

180
compiler/avr/navrcnv.pas Normal file
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@ -0,0 +1,180 @@
{
Copyright (c) 1998-2009 by Florian Klaempfl
Generate AVR assembler for type converting 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 navrcnv;
{$i fpcdefs.inc}
interface
uses
node,ncnv,ncgcnv,defcmp;
type
tarmtypeconvnode = class(tcgtypeconvnode)
protected
{ procedure second_int_to_int;override; }
{ procedure second_string_to_string;override; }
{ procedure second_cstring_to_pchar;override; }
{ procedure second_string_to_chararray;override; }
{ procedure second_array_to_pointer;override; }
{ procedure second_pointer_to_array;override; }
{ procedure second_chararray_to_string;override; }
{ procedure second_char_to_string;override; }
{ procedure second_int_to_real;override; }
{ procedure second_real_to_real;override; }
{ procedure second_cord_to_pointer;override; }
{ procedure second_proc_to_procvar;override; }
{ procedure second_bool_to_int;override; }
procedure second_int_to_bool;override;
{ procedure second_load_smallset;override; }
{ procedure second_ansistring_to_pchar;override; }
{ procedure second_pchar_to_string;override; }
{ procedure second_class_to_intf;override; }
{ procedure second_char_to_char;override; }
end;
implementation
uses
verbose,globtype,globals,systems,
symconst,symdef,aasmbase,aasmtai,aasmdata,
defutil,
cgbase,cgutils,
pass_1,pass_2,procinfo,
ncon,ncal,
ncgutil,
cpubase,aasmcpu,
rgobj,tgobj,cgobj,cgcpu;
procedure tarmtypeconvnode.second_int_to_bool;
var
hregister : tregister;
href : treference;
resflags : tresflags;
hlabel,oldTrueLabel,oldFalseLabel : tasmlabel;
newsize : tcgsize;
begin
{
oldTrueLabel:=current_procinfo.CurrTrueLabel;
oldFalseLabel:=current_procinfo.CurrFalseLabel;
current_asmdata.getjumplabel(current_procinfo.CurrTrueLabel);
current_asmdata.getjumplabel(current_procinfo.CurrFalseLabel);
secondpass(left);
if codegenerror then
exit;
{ Explicit typecasts from any ordinal type to a boolean type }
{ must not change the ordinal value }
if (nf_explicit in flags) and
not(left.location.loc in [LOC_FLAGS,LOC_JUMP]) then
begin
location_copy(location,left.location);
newsize:=def_cgsize(resultdef);
{ change of size? change sign only if location is LOC_(C)REGISTER? Then we have to sign/zero-extend }
if (tcgsize2size[newsize]<>tcgsize2size[left.location.size]) or
((newsize<>left.location.size) and (location.loc in [LOC_REGISTER,LOC_CREGISTER])) then
location_force_reg(current_asmdata.CurrAsmList,location,newsize,true)
else
location.size:=newsize;
current_procinfo.CurrTrueLabel:=oldTrueLabel;
current_procinfo.CurrFalseLabel:=oldFalseLabel;
exit;
end;
{ Load left node into flag F_NE/F_E }
resflags:=F_NE;
case left.location.loc of
LOC_CREFERENCE,
LOC_REFERENCE :
begin
if left.location.size in [OS_64,OS_S64] then
begin
hregister:=cg.getintregister(current_asmdata.CurrAsmList,OS_INT);
cg.a_load_ref_reg(current_asmdata.CurrAsmList,OS_32,OS_32,left.location.reference,hregister);
href:=left.location.reference;
inc(href.offset,4);
tcgarm(cg).cgsetflags:=true;
cg.a_op_ref_reg(current_asmdata.CurrAsmList,OP_OR,OS_32,href,hregister);
tcgarm(cg).cgsetflags:=false;
end
else
begin
location_force_reg(current_asmdata.CurrAsmList,left.location,left.location.size,true);
tcgarm(cg).cgsetflags:=true;
cg.a_op_reg_reg(current_asmdata.CurrAsmList,OP_OR,left.location.size,left.location.register,left.location.register);
tcgarm(cg).cgsetflags:=false;
end;
end;
LOC_FLAGS :
begin
resflags:=left.location.resflags;
end;
LOC_REGISTER,LOC_CREGISTER :
begin
if left.location.size in [OS_64,OS_S64] then
begin
hregister:=cg.getintregister(current_asmdata.CurrAsmList,OS_32);
cg.a_load_reg_reg(current_asmdata.CurrAsmList,OS_32,OS_32,left.location.register64.reglo,hregister);
tcgarm(cg).cgsetflags:=true;
cg.a_op_reg_reg(current_asmdata.CurrAsmList,OP_OR,OS_32,left.location.register64.reghi,hregister);
tcgarm(cg).cgsetflags:=false;
end
else
begin
tcgarm(cg).cgsetflags:=true;
cg.a_op_reg_reg(current_asmdata.CurrAsmList,OP_OR,left.location.size,left.location.register,left.location.register);
tcgarm(cg).cgsetflags:=false;
end;
end;
LOC_JUMP :
begin
hregister:=cg.getintregister(current_asmdata.CurrAsmList,OS_INT);
current_asmdata.getjumplabel(hlabel);
cg.a_label(current_asmdata.CurrAsmList,current_procinfo.CurrTrueLabel);
cg.a_load_const_reg(current_asmdata.CurrAsmList,OS_INT,1,hregister);
cg.a_jmp_always(current_asmdata.CurrAsmList,hlabel);
cg.a_label(current_asmdata.CurrAsmList,current_procinfo.CurrFalseLabel);
cg.a_load_const_reg(current_asmdata.CurrAsmList,OS_INT,0,hregister);
cg.a_label(current_asmdata.CurrAsmList,hlabel);
tcgarm(cg).cgsetflags:=true;
cg.a_op_reg_reg(current_asmdata.CurrAsmList,OP_OR,OS_INT,hregister,hregister);
tcgarm(cg).cgsetflags:=false;
end;
else
internalerror(200311301);
end;
{ load flags to register }
location_reset(location,LOC_REGISTER,def_cgsize(resultdef));
location.register:=cg.getintregister(current_asmdata.CurrAsmList,location.size);
cg.g_flags2reg(current_asmdata.CurrAsmList,location.size,resflags,location.register);
if (is_cbool(resultdef)) then
cg.a_op_reg_reg(current_asmdata.CurrAsmList,OP_NEG,location.size,location.register,location.register);
current_procinfo.CurrTrueLabel:=oldTrueLabel;
current_procinfo.CurrFalseLabel:=oldFalseLabel;
}
end;
begin
ctypeconvnode:=tarmtypeconvnode;
end.