* split the sparc code generator into a generic base class and separate classes for sparc32 and sparc64

+ initial code for the sparc64 cg

git-svn-id: trunk@36440 -
This commit is contained in:
florian 2017-06-06 20:11:07 +00:00
parent 9dd1d1a1ea
commit ea8774c18d
4 changed files with 596 additions and 345 deletions

4
.gitattributes vendored
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@ -659,6 +659,7 @@ compiler/scandir.pas svneol=native#text/plain
compiler/scanner.pas svneol=native#text/plain
compiler/script.pas svneol=native#text/plain
compiler/sparc/aoptcpud.pas svneol=native#text/plain
compiler/sparc/cgcpu.pas svneol=native#text/pascal
compiler/sparc/cpuelf.pas svneol=native#text/plain
compiler/sparc/cpuinfo.pas svneol=native#text/plain
compiler/sparc/cpunode.pas svneol=native#text/plain
@ -673,6 +674,7 @@ compiler/sparc/rspsri.inc svneol=native#text/plain
compiler/sparc/rspstab.inc svneol=native#text/plain
compiler/sparc/rspstd.inc svneol=native#text/plain
compiler/sparc/rspsup.inc svneol=native#text/plain
compiler/sparc64/cgcpu.pas svneol=native#text/pascal
compiler/sparc64/cpuinfo.pas svneol=native#text/plain
compiler/sparc64/cpunode.pas svneol=native#text/plain
compiler/sparc64/cpupara.pas svneol=native#text/plain
@ -689,7 +691,7 @@ compiler/sparc64/rsp64sup.inc svneol=native#text/pascal
compiler/sparcgen/aasmcpu.pas svneol=native#text/plain
compiler/sparcgen/aoptcpu.pas svneol=native#text/plain
compiler/sparcgen/aoptcpub.pas svneol=native#text/plain
compiler/sparcgen/cgcpu.pas svneol=native#text/plain
compiler/sparcgen/cgsparc.pas svneol=native#text/plain
compiler/sparcgen/cpubase.pas svneol=native#text/plain
compiler/sparcgen/cpugas.pas svneol=native#text/plain
compiler/sparcgen/cpupi.pas svneol=native#text/plain

307
compiler/sparc/cgcpu.pas Normal file
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@ -0,0 +1,307 @@
{
Copyright (c) 1998-2002 by Florian Klaempfl
This unit implements the code generator for the SPARC
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 cgcpu;
{$i fpcdefs.inc}
interface
uses
globtype,parabase,
cgbase,cgutils,cgobj,
{$ifndef SPARC64}
cg64f32,
{$endif SPARC64}
aasmbase,aasmtai,aasmdata,aasmcpu,
cpubase,cpuinfo,
node,symconst,SymType,symdef,
rgcpu,
cgsparc;
type
TCGSparc=class(TCGSparcGen)
procedure a_load_reg_reg(list : TAsmList; fromsize,tosize : tcgsize; reg1,reg2 : tregister);override;
procedure a_load_const_reg(list : TAsmList; size : TCGSize; a : tcgint; reg : TRegister);override;
end;
TCg64Sparc=class(tcg64f32)
private
procedure get_64bit_ops(op:TOpCG;var op1,op2:TAsmOp;checkoverflow : boolean);
public
procedure a_load64_reg_ref(list : TAsmList;reg : tregister64;const ref : treference);override;
procedure a_load64_ref_reg(list : TAsmList;const ref : treference;reg : tregister64);override;
procedure a_load64_ref_cgpara(list : TAsmList;const r : treference;const paraloc : tcgpara);override;
procedure a_op64_reg_reg(list:TAsmList;op:TOpCG;size : tcgsize;regsrc,regdst:TRegister64);override;
procedure a_op64_const_reg(list:TAsmList;op:TOpCG;size : tcgsize;value:int64;regdst:TRegister64);override;
procedure a_op64_const_reg_reg(list: TAsmList;op:TOpCG;size : tcgsize;value : int64;regsrc,regdst : tregister64);override;
procedure a_op64_reg_reg_reg(list: TAsmList;op:TOpCG;size : tcgsize;regsrc1,regsrc2,regdst : tregister64);override;
procedure a_op64_const_reg_reg_checkoverflow(list: TAsmList;op:TOpCG;size : tcgsize;value : int64;regsrc,regdst : tregister64;setflags : boolean;var ovloc : tlocation);override;
procedure a_op64_reg_reg_reg_checkoverflow(list: TAsmList;op:TOpCG;size : tcgsize;regsrc1,regsrc2,regdst : tregister64;setflags : boolean;var ovloc : tlocation);override;
end;
procedure create_codegen;
implementation
uses
verbose,
systems;
procedure TCGSparc.a_load_reg_reg(list:TAsmList;fromsize,tosize:tcgsize;reg1,reg2:tregister);
var
instr : taicpu;
begin
if (tcgsize2size[fromsize] > tcgsize2size[tosize]) or
((tcgsize2size[fromsize] = tcgsize2size[tosize]) and
(fromsize <> tosize)) or
{ needs to mask out the sign in the top 16 bits }
((fromsize = OS_S8) and
(tosize = OS_16)) then
case tosize of
OS_8 :
list.concat(taicpu.op_reg_const_reg(A_AND,reg1,$ff,reg2));
OS_16 :
begin
list.concat(taicpu.op_reg_const_reg(A_SLL,reg1,16,reg2));
list.concat(taicpu.op_reg_const_reg(A_SRL,reg2,16,reg2));
end;
OS_32,
OS_S32 :
begin
instr:=taicpu.op_reg_reg(A_MOV,reg1,reg2);
list.Concat(instr);
{ Notify the register allocator that we have written a move instruction so
it can try to eliminate it. }
add_move_instruction(instr);
end;
OS_S8 :
begin
list.concat(taicpu.op_reg_const_reg(A_SLL,reg1,24,reg2));
list.concat(taicpu.op_reg_const_reg(A_SRA,reg2,24,reg2));
end;
OS_S16 :
begin
list.concat(taicpu.op_reg_const_reg(A_SLL,reg1,16,reg2));
list.concat(taicpu.op_reg_const_reg(A_SRA,reg2,16,reg2));
end;
else
internalerror(2002090901);
end
else
begin
instr:=taicpu.op_reg_reg(A_MOV,reg1,reg2);
list.Concat(instr);
{ Notify the register allocator that we have written a move instruction so
it can try to eliminate it. }
add_move_instruction(instr);
end;
end;
procedure TCGSparc.a_load_const_reg(list : TAsmList;size : TCGSize;a : tcgint;reg : TRegister);
begin
{ we don't use the set instruction here because it could be evalutated to two
instructions which would cause problems with the delay slot (FK) }
if (a=0) then
list.concat(taicpu.op_reg(A_CLR,reg))
else if (a>=simm13lo) and (a<=simm13hi) then
list.concat(taicpu.op_const_reg(A_MOV,a,reg))
else
begin
list.concat(taicpu.op_const_reg(A_SETHI,aint(a) shr 10,reg));
if (aint(a) and aint($3ff))<>0 then
list.concat(taicpu.op_reg_const_reg(A_OR,reg,aint(a) and aint($3ff),reg));
end;
end;
{****************************************************************************
TCG64Sparc
****************************************************************************}
procedure tcg64sparc.a_load64_reg_ref(list : TAsmList;reg : tregister64;const ref : treference);
var
tmpref: treference;
begin
{ Override this function to prevent loading the reference twice }
tmpref:=ref;
cg.a_load_reg_ref(list,OS_32,OS_32,reg.reghi,tmpref);
inc(tmpref.offset,4);
cg.a_load_reg_ref(list,OS_32,OS_32,reg.reglo,tmpref);
end;
procedure tcg64sparc.a_load64_ref_reg(list : TAsmList;const ref : treference;reg : tregister64);
var
tmpref: treference;
begin
{ Override this function to prevent loading the reference twice }
tmpref:=ref;
cg.a_load_ref_reg(list,OS_32,OS_32,tmpref,reg.reghi);
inc(tmpref.offset,4);
cg.a_load_ref_reg(list,OS_32,OS_32,tmpref,reg.reglo);
end;
procedure tcg64sparc.a_load64_ref_cgpara(list : TAsmList;const r : treference;const paraloc : tcgpara);
var
hreg64 : tregister64;
begin
{ Override this function to prevent loading the reference twice.
Use here some extra registers, but those are optimized away by the RA }
hreg64.reglo:=cg.GetIntRegister(list,OS_32);
hreg64.reghi:=cg.GetIntRegister(list,OS_32);
a_load64_ref_reg(list,r,hreg64);
a_load64_reg_cgpara(list,hreg64,paraloc);
end;
procedure TCg64Sparc.get_64bit_ops(op:TOpCG;var op1,op2:TAsmOp;checkoverflow : boolean);
begin
case op of
OP_ADD :
begin
op1:=A_ADDCC;
if checkoverflow then
op2:=A_ADDXCC
else
op2:=A_ADDX;
end;
OP_SUB :
begin
op1:=A_SUBCC;
if checkoverflow then
op2:=A_SUBXCC
else
op2:=A_SUBX;
end;
OP_XOR :
begin
op1:=A_XOR;
op2:=A_XOR;
end;
OP_OR :
begin
op1:=A_OR;
op2:=A_OR;
end;
OP_AND :
begin
op1:=A_AND;
op2:=A_AND;
end;
else
internalerror(200203241);
end;
end;
procedure TCg64Sparc.a_op64_reg_reg(list:TAsmList;op:TOpCG;size : tcgsize;regsrc,regdst:TRegister64);
begin
case op of
OP_NEG :
begin
{ Use the simple code: y=0-z }
list.concat(taicpu.op_reg_reg_reg(A_SUBcc,NR_G0,regsrc.reglo,regdst.reglo));
list.concat(taicpu.op_reg_reg_reg(A_SUBX,NR_G0,regsrc.reghi,regdst.reghi));
end;
OP_NOT :
begin
list.concat(taicpu.op_reg_reg_reg(A_XNOR,regsrc.reglo,NR_G0,regdst.reglo));
list.concat(taicpu.op_reg_reg_reg(A_XNOR,regsrc.reghi,NR_G0,regdst.reghi));
end;
else
a_op64_reg_reg_reg(list,op,size,regsrc,regdst,regdst);
end;
end;
procedure TCg64Sparc.a_op64_const_reg(list:TAsmList;op:TOpCG;size : tcgsize;value:int64;regdst:TRegister64);
begin
a_op64_const_reg_reg(list,op,size,value,regdst,regdst);
end;
procedure tcg64sparc.a_op64_const_reg_reg(list: TAsmList;op:TOpCG;size : tcgsize;value : int64; regsrc,regdst : tregister64);
var
l : tlocation;
begin
a_op64_const_reg_reg_checkoverflow(list,op,size,value,regsrc,regdst,false,l);
end;
procedure tcg64sparc.a_op64_reg_reg_reg(list: TAsmList;op:TOpCG;size : tcgsize;regsrc1,regsrc2,regdst : tregister64);
var
l : tlocation;
begin
a_op64_reg_reg_reg_checkoverflow(list,op,size,regsrc1,regsrc2,regdst,false,l);
end;
procedure tcg64sparc.a_op64_const_reg_reg_checkoverflow(list: TAsmList;op:TOpCG;size : tcgsize;value : int64;regsrc,regdst : tregister64;setflags : boolean;var ovloc : tlocation);
var
op1,op2:TAsmOp;
begin
case op of
OP_NEG,
OP_NOT :
internalerror(200306017);
OP_AND,OP_OR,OP_XOR:
begin
cg.a_op_const_reg_reg(list,op,OS_INT,tcgint(lo(value)),regsrc.reglo,regdst.reglo);
cg.a_op_const_reg_reg(list,op,OS_INT,tcgint(hi(value)),regsrc.reghi,regdst.reghi);
end;
else
get_64bit_ops(op,op1,op2,setflags);
tcgsparc(cg).handle_reg_const_reg(list,op1,regsrc.reglo,tcgint(lo(value)),regdst.reglo);
tcgsparc(cg).handle_reg_const_reg(list,op2,regsrc.reghi,tcgint(hi(value)),regdst.reghi);
end;
end;
procedure tcg64sparc.a_op64_reg_reg_reg_checkoverflow(list: TAsmList;op:TOpCG;size : tcgsize;regsrc1,regsrc2,regdst : tregister64;setflags : boolean;var ovloc : tlocation);
var
op1,op2:TAsmOp;
begin
case op of
OP_NEG,
OP_NOT :
internalerror(200306017);
end;
get_64bit_ops(op,op1,op2,setflags);
list.concat(taicpu.op_reg_reg_reg(op1,regsrc2.reglo,regsrc1.reglo,regdst.reglo));
list.concat(taicpu.op_reg_reg_reg(op2,regsrc2.reghi,regsrc1.reghi,regdst.reghi));
end;
procedure create_codegen;
begin
cg:=TCgSparc.Create;
if target_info.system=system_sparc_linux then
TCgSparc(cg).use_unlimited_pic_mode:=true
else
TCgSparc(cg).use_unlimited_pic_mode:=false;
cg64:=TCg64Sparc.Create;
end;
end.

184
compiler/sparc64/cgcpu.pas Normal file
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@ -0,0 +1,184 @@
{
Copyright (c) 1998-2002 by Florian Klaempfl
This unit implements the code generator for the SPARC
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 cgcpu;
{$i fpcdefs.inc}
interface
uses
globtype,parabase,
cgbase,cgutils,cgobj,
aasmbase,aasmtai,aasmdata,aasmcpu,
cpubase,cpuinfo,
node,symconst,SymType,symdef,
rgcpu,
cgsparc;
type
TCGSparc64=class(TCGSparcGen)
procedure a_load_reg_reg(list : TAsmList; fromsize,tosize : tcgsize; reg1,reg2 : tregister);override;
procedure a_load_ref_reg_unaligned(list : TAsmList; fromsize,tosize : tcgsize; const ref : treference; register : tregister);override;
procedure a_load_const_reg(list : TAsmList; size : TCGSize; a : tcgint; reg : TRegister);override;
end;
procedure create_codegen;
implementation
uses
verbose,
systems;
procedure TCGSparc64.a_load_reg_reg(list:TAsmList;fromsize,tosize:tcgsize;reg1,reg2:tregister);
var
instr : taicpu;
begin
if (tcgsize2size[fromsize] > tcgsize2size[tosize]) or
((tcgsize2size[fromsize] = tcgsize2size[tosize]) and
(fromsize <> tosize)) or
{ needs to mask out the sign in the top 16 bits }
((fromsize = OS_S8) and
(tosize = OS_16)) then
case tosize of
OS_8 :
list.concat(taicpu.op_reg_const_reg(A_AND,reg1,$ff,reg2));
OS_16 :
begin
list.concat(taicpu.op_reg_const_reg(A_SLLX,reg1,48,reg2));
list.concat(taicpu.op_reg_const_reg(A_SRLX,reg2,48,reg2));
end;
OS_32 :
begin
list.concat(taicpu.op_reg_const_reg(A_SLLX,reg1,32,reg2));
list.concat(taicpu.op_reg_const_reg(A_SRLX,reg2,32,reg2));
end;
OS_S32 :
begin
list.concat(taicpu.op_reg_const_reg(A_SLLX,reg1,32,reg2));
list.concat(taicpu.op_reg_const_reg(A_SRAX,reg2,32,reg2));
end;
OS_64,
OS_S64 :
begin
instr:=taicpu.op_reg_reg(A_MOV,reg1,reg2);
list.Concat(instr);
{ Notify the register allocator that we have written a move instruction so
it can try to eliminate it. }
add_move_instruction(instr);
end;
OS_S8 :
begin
list.concat(taicpu.op_reg_const_reg(A_SLLX,reg1,56,reg2));
list.concat(taicpu.op_reg_const_reg(A_SRAX,reg2,56,reg2));
end;
OS_S16 :
begin
list.concat(taicpu.op_reg_const_reg(A_SLLX,reg1,48,reg2));
list.concat(taicpu.op_reg_const_reg(A_SRAX,reg2,48,reg2));
end;
else
internalerror(2017060501);
end
else
begin
instr:=taicpu.op_reg_reg(A_MOV,reg1,reg2);
list.Concat(instr);
{ Notify the register allocator that we have written a move instruction so
it can try to eliminate it. }
add_move_instruction(instr);
end;
end;
procedure TCGSparc64.a_load_ref_reg_unaligned(list: TAsmList; fromsize, tosize: tcgsize; const ref: treference; register: tregister);
var
href: treference;
hreg1, hreg2, tmpreg: tregister;
begin
if fromsize in [OS_64,OS_S64] then
begin
{ split into two 32 bit loads }
hreg1:=getintregister(list,OS_32);
hreg2:=getintregister(list,OS_32);
a_load_ref_reg(list,OS_32,OS_32,ref,hreg1);
href:=ref;
inc(href.offset,4);
a_load_ref_reg(list,OS_32,OS_32,href,hreg2);
a_op_const_reg_reg(list,OP_SHL,OS_64,32,hreg1,register);
a_op_reg_reg_reg(list,OP_OR,OS_64,hreg2,register,register);
end
else
inherited;
end;
procedure TCGSparc64.a_load_const_reg(list : TAsmList;size : TCGSize;a : tcgint;reg : TRegister);
var
hreg : TRegister;
begin
{ we don't use the set instruction here because it could be evalutated to two
instructions which would cause problems with the delay slot (FK) }
if (a=0) then
list.concat(taicpu.op_reg(A_CLR,reg))
else if (a>=simm13lo) and (a<=simm13hi) then
list.concat(taicpu.op_const_reg(A_MOV,a,reg))
else if (a>=0) and (a<=$ffffffff) then
begin
list.concat(taicpu.op_const_reg(A_SETHI,aint(a) shr 10,reg));
if (aint(a) and aint($3ff))<>0 then
list.concat(taicpu.op_reg_const_reg(A_OR,reg,aint(a) and aint($3ff),reg));
end
{
else if (a>=-$80000000) and (a<=-1) then
begin
list.concat(taicpu.op_const_reg(A_SETHI,aint(a) shr 10,reg));
if (aint(a) and aint($3ff))<>0 then
list.concat(taicpu.op_reg_const_reg(A_OR,reg,aint(a) and aint($3ff),reg));
end;
}
else
begin
hreg:=getintregister(list,OS_64);
list.concat(taicpu.op_const_reg(A_SETHI,(aint(a) shr 10) and $3fffff,reg));
list.concat(taicpu.op_const_reg(A_SETHI,aint(a) shr 42,hreg));
if ((aint(a) shr 32) and aint($3ff))<>0 then
list.concat(taicpu.op_reg_const_reg(A_OR,hreg,(aint(a) shr 32) and aint($3ff),hreg));
if (aint(a) and aint($3ff))<>0 then
list.concat(taicpu.op_reg_const_reg(A_OR,reg,aint(a) and aint($3ff),reg));
a_op_const_reg_reg(list,OP_SHL,OS_64,32,hreg,hreg);
list.concat(taicpu.op_reg_reg_reg(A_OR,reg,hreg,reg));
end;
end;
procedure create_codegen;
begin
cg:=TCgSparc64.Create;
if target_info.system=system_sparc_linux then
TCgSparc64(cg).use_unlimited_pic_mode:=true
else
TCgSparc64(cg).use_unlimited_pic_mode:=false;
end;
end.

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@ -19,7 +19,7 @@
****************************************************************************
}
unit cgcpu;
unit cgsparc;
{$i fpcdefs.inc}
@ -37,7 +37,7 @@ interface
rgcpu;
type
TCgSparc=class(tcg)
TCGSparcGen=class(tcg)
protected
function IsSimpleRef(const ref:treference):boolean;
public
@ -62,11 +62,9 @@ interface
procedure a_op_const_reg_reg_checkoverflow(list: TAsmList; op: TOpCg; size: tcgsize; a: tcgint; src, dst: tregister;setflags : boolean;var ovloc : tlocation);override;
procedure a_op_reg_reg_reg_checkoverflow(list: TAsmList; op: TOpCg; size: tcgsize; src1, src2, dst: tregister;setflags : boolean;var ovloc : tlocation);override;
{ move instructions }
procedure a_load_const_reg(list:TAsmList;size:tcgsize;a:tcgint;reg:tregister);override;
procedure a_load_const_ref(list:TAsmList;size:tcgsize;a:tcgint;const ref:TReference);override;
procedure a_load_reg_ref(list:TAsmList;FromSize,ToSize:TCgSize;reg:TRegister;const ref:TReference);override;
procedure a_load_ref_reg(list:TAsmList;FromSize,ToSize:TCgSize;const ref:TReference;reg:tregister);override;
procedure a_load_reg_reg(list:TAsmList;FromSize,ToSize:TCgSize;reg1,reg2:tregister);override;
procedure a_loadaddr_ref_reg(list:TAsmList;const ref:TReference;r:tregister);override;
{ fpu move instructions }
procedure a_loadfpu_reg_reg(list:TAsmList;fromsize,tosize:tcgsize;reg1, reg2:tregister);override;
@ -91,35 +89,27 @@ interface
procedure g_concatcopy_unaligned(list : TAsmList;const source,dest : treference;len : tcgint);override;
procedure g_concatcopy_move(list : TAsmList;const source,dest : treference;len : tcgint);
procedure g_adjust_self_value(list:TAsmList;procdef: tprocdef;ioffset: tcgint);override;
private
protected
use_unlimited_pic_mode : boolean;
end;
{$ifndef SPARC64}
TCg64Sparc=class(tcg64f32)
private
procedure get_64bit_ops(op:TOpCG;var op1,op2:TAsmOp;checkoverflow : boolean);
public
procedure a_load64_reg_ref(list : TAsmList;reg : tregister64;const ref : treference);override;
procedure a_load64_ref_reg(list : TAsmList;const ref : treference;reg : tregister64);override;
procedure a_load64_ref_cgpara(list : TAsmList;const r : treference;const paraloc : tcgpara);override;
procedure a_op64_reg_reg(list:TAsmList;op:TOpCG;size : tcgsize;regsrc,regdst:TRegister64);override;
procedure a_op64_const_reg(list:TAsmList;op:TOpCG;size : tcgsize;value:int64;regdst:TRegister64);override;
procedure a_op64_const_reg_reg(list: TAsmList;op:TOpCG;size : tcgsize;value : int64;regsrc,regdst : tregister64);override;
procedure a_op64_reg_reg_reg(list: TAsmList;op:TOpCG;size : tcgsize;regsrc1,regsrc2,regdst : tregister64);override;
procedure a_op64_const_reg_reg_checkoverflow(list: TAsmList;op:TOpCG;size : tcgsize;value : int64;regsrc,regdst : tregister64;setflags : boolean;var ovloc : tlocation);override;
procedure a_op64_reg_reg_reg_checkoverflow(list: TAsmList;op:TOpCG;size : tcgsize;regsrc1,regsrc2,regdst : tregister64;setflags : boolean;var ovloc : tlocation);override;
end;
{$endif SPARC64}
procedure create_codegen;
const
TOpCG2AsmOp : array[topcg] of TAsmOp=(
A_NONE,A_MOV,A_ADD,A_AND,A_UDIV,A_SDIV,A_SMUL,A_UMUL,A_NEG,A_NOT,A_OR,A_SRA,A_SLL,A_SRL,A_SUB,A_XOR,A_NONE,A_NONE
TOpCG2AsmOp : array[boolean,topcg] of TAsmOp=(
(
A_NONE,A_MOV,A_ADD,A_AND,A_UDIV,A_SDIV,A_SMUL,A_UMUL,A_NEG,A_NOT,A_OR,A_SRA,A_SLL,A_SRL,A_SUB,A_XOR,A_NONE,A_NONE
),
(
A_NONE,A_MOV,A_ADD,A_AND,A_UDIV,A_SDIV,A_SMUL,A_UMUL,A_NEG,A_NOT,A_OR,A_SRAX,A_SLLX,A_SRLX,A_SUB,A_XOR,A_NONE,A_NONE
)
);
TOpCG2AsmOpWithFlags : array[topcg] of TAsmOp=(
A_NONE,A_MOV,A_ADDcc,A_ANDcc,A_UDIVcc,A_SDIVcc,A_SMULcc,A_UMULcc,A_NEG,A_NOT,A_ORcc,A_SRA,A_SLL,A_SRL,A_SUBcc,A_XORcc,A_NONE,A_NONE
TOpCG2AsmOpWithFlags : array[boolean,topcg] of TAsmOp=(
(
A_NONE,A_MOV,A_ADDcc,A_ANDcc,A_UDIVcc,A_SDIVcc,A_SMULcc,A_UMULcc,A_NEG,A_NOT,A_ORcc,A_SRA,A_SLL,A_SRL,A_SUBcc,A_XORcc,A_NONE,A_NONE
),
(
A_NONE,A_MOV,A_ADDcc,A_ANDcc,A_UDIVcc,A_SDIVcc,A_SMULcc,A_UMULcc,A_NEG,A_NOT,A_ORcc,A_SRAX,A_SLLX,A_SRLX,A_SUBcc,A_XORcc,A_NONE,A_NONE
)
);
TOpCmp2AsmCond : array[topcmp] of TAsmCond=(C_NONE,
C_E,C_G,C_L,C_GE,C_LE,C_NE,C_BE,C_B,C_AE,C_A
@ -136,7 +126,7 @@ implementation
procinfo,cpupi;
function TCgSparc.IsSimpleRef(const ref:treference):boolean;
function TCGSparcGen.IsSimpleRef(const ref:treference):boolean;
begin
result :=not(assigned(ref.symbol))and
(((ref.index = NR_NO) and
@ -147,7 +137,7 @@ implementation
end;
procedure tcgsparc.make_simple_ref(list:TAsmList;var ref: treference);
procedure TCGSparcGen.make_simple_ref(list:TAsmList;var ref: treference);
var
href: treference;
hreg,hreg2: tregister;
@ -166,14 +156,14 @@ implementation
if (ref.symbol=nil) then
begin
hreg:=getintregister(list,OS_INT);
hreg:=getintregister(list,OS_ADDR);
if (ref.index=NR_NO) then
a_load_const_reg(list,OS_INT,ref.offset,hreg)
a_load_const_reg(list,OS_ADDR,ref.offset,hreg)
else
begin
if (ref.offset<simm13lo) or (ref.offset>simm13hi-sizeof(pint)) then
begin
a_load_const_reg(list,OS_INT,ref.offset,hreg);
a_load_const_reg(list,OS_ADDR,ref.offset,hreg);
list.concat(taicpu.op_reg_reg_reg(A_ADD,hreg,ref.index,hreg));
end
else
@ -188,7 +178,7 @@ implementation
end;
reference_reset_symbol(href,ref.symbol,ref.offset,ref.alignment,ref.volatility);
hreg:=getintregister(list,OS_INT);
hreg:=getintregister(list,OS_ADDR);
if not (cs_create_pic in current_settings.moduleswitches) then
begin
{ absolute loads allow any offset to be encoded into relocation }
@ -246,8 +236,8 @@ implementation
end
else { large offset, need another register to deal with it }
begin
hreg2:=getintregister(list,OS_INT);
a_load_const_reg(list,OS_INT,ref.offset,hreg2);
hreg2:=getintregister(list,OS_ADDR);
a_load_const_reg(list,OS_ADDR,ref.offset,hreg2);
if (ref.index<>NR_NO) then
list.concat(taicpu.op_reg_reg_reg(A_ADD,hreg2,ref.index,hreg2));
if (ref.base<>NR_NO) then
@ -260,7 +250,7 @@ implementation
end;
procedure tcgsparc.handle_load_store(list:TAsmList;isstore:boolean;op: tasmop;reg:tregister;ref: treference);
procedure TCGSparcGen.handle_load_store(list:TAsmList;isstore:boolean;op: tasmop;reg:tregister;ref: treference);
begin
make_simple_ref(list,ref);
if isstore then
@ -270,7 +260,7 @@ implementation
end;
procedure tcgsparc.handle_reg_const_reg(list:TAsmList;op:Tasmop;src:tregister;a:tcgint;dst:tregister);
procedure TCGSparcGen.handle_reg_const_reg(list:TAsmList;op:Tasmop;src:tregister;a:tcgint;dst:tregister);
var
tmpreg : tregister;
begin
@ -290,7 +280,7 @@ implementation
Assembler code
****************************************************************************}
procedure Tcgsparc.init_register_allocators;
procedure TCGSparcGen.init_register_allocators;
begin
inherited init_register_allocators;
@ -301,10 +291,10 @@ implementation
first_int_imreg,[]);
rg[R_FPUREGISTER]:=trgcpu.create(R_FPUREGISTER,R_SUBFS,
[RS_F0,RS_F1,RS_F2,RS_F3,RS_F4,RS_F5,RS_F6,RS_F7,
RS_F8,RS_F9,RS_F10,RS_F11,RS_F12,RS_F13,RS_F14,RS_F15,
RS_F16,RS_F17,RS_F18,RS_F19,RS_F20,RS_F21,RS_F22,RS_F23,
RS_F24,RS_F25,RS_F26,RS_F27,RS_F28,RS_F29,RS_F30,RS_F31],
[RS_F0,{RS_F1,}RS_F2,{RS_F3,}RS_F4,{RS_F5,}RS_F6,{RS_F7,}
RS_F8,{RS_F9,}RS_F10,{RS_F11,}RS_F12,{RS_F13,}RS_F14,{RS_F15,}
RS_F16,{RS_F17,}RS_F18,{RS_F19,}RS_F20,{RS_F21,}RS_F22,{RS_F23,}
RS_F24,{RS_F25,}RS_F26,{RS_F27,}RS_F28,{RS_F29,}RS_F30{,RS_F31}],
first_fpu_imreg,[]);
{ needs at least one element for rgobj not to crash }
rg[R_MMREGISTER]:=trgcpu.create(R_MMREGISTER,R_SUBNONE,
@ -312,7 +302,7 @@ implementation
end;
procedure Tcgsparc.done_register_allocators;
procedure TCGSparcGen.done_register_allocators;
begin
rg[R_INTREGISTER].free;
rg[R_FPUREGISTER].free;
@ -321,7 +311,7 @@ implementation
end;
function tcgsparc.getfpuregister(list:TAsmList;size:Tcgsize):Tregister;
function TCGSparcGen.getfpuregister(list:TAsmList;size:Tcgsize):Tregister;
begin
if size=OS_F64 then
result:=rg[R_FPUREGISTER].getregister(list,R_SUBFD)
@ -330,7 +320,7 @@ implementation
end;
procedure tcgsparc.a_loadfpu_ref_cgpara(list : TAsmList;size : tcgsize;const ref : treference;const paraloc : TCGPara);
procedure TCGSparcGen.a_loadfpu_ref_cgpara(list : TAsmList;size : tcgsize;const ref : treference;const paraloc : TCGPara);
var
href,href2 : treference;
hloc : pcgparalocation;
@ -359,7 +349,7 @@ implementation
end;
procedure tcgsparc.a_loadfpu_reg_cgpara(list : TAsmList;size : tcgsize;const r : tregister;const paraloc : TCGPara);
procedure TCGSparcGen.a_loadfpu_reg_cgpara(list : TAsmList;size : tcgsize;const r : tregister;const paraloc : TCGPara);
var
href : treference;
begin
@ -380,7 +370,7 @@ implementation
end;
procedure TCgSparc.a_call_name(list:TAsmList;const s:string; weak: boolean);
procedure TCGSparcGen.a_call_name(list:TAsmList;const s:string; weak: boolean);
begin
if not weak then
list.concat(taicpu.op_sym(A_CALL,current_asmdata.RefAsmSymbol(s,AT_FUNCTION)))
@ -391,7 +381,7 @@ implementation
end;
procedure TCgSparc.a_call_reg(list:TAsmList;Reg:TRegister);
procedure TCGSparcGen.a_call_reg(list:TAsmList;Reg:TRegister);
begin
list.concat(taicpu.op_reg(A_CALL,reg));
{ Delay slot }
@ -401,24 +391,7 @@ implementation
{********************** load instructions ********************}
procedure TCgSparc.a_load_const_reg(list : TAsmList;size : TCGSize;a : tcgint;reg : TRegister);
begin
{ we don't use the set instruction here because it could be evalutated to two
instructions which would cause problems with the delay slot (FK) }
if (a=0) then
list.concat(taicpu.op_reg(A_CLR,reg))
else if (a>=simm13lo) and (a<=simm13hi) then
list.concat(taicpu.op_const_reg(A_MOV,a,reg))
else
begin
list.concat(taicpu.op_const_reg(A_SETHI,aint(a) shr 10,reg));
if (aint(a) and aint($3ff))<>0 then
list.concat(taicpu.op_reg_const_reg(A_OR,reg,aint(a) and aint($3ff),reg));
end;
end;
procedure TCgSparc.a_load_const_ref(list : TAsmList;size : tcgsize;a : tcgint;const ref : TReference);
procedure TCGSparcGen.a_load_const_ref(list : TAsmList;size : tcgsize;a : tcgint;const ref : TReference);
begin
if a=0 then
a_load_reg_ref(list,size,size,NR_G0,ref)
@ -427,7 +400,7 @@ implementation
end;
procedure TCgSparc.a_load_reg_ref(list:TAsmList;FromSize,ToSize:TCGSize;reg:tregister;const Ref:TReference);
procedure TCGSparcGen.a_load_reg_ref(list:TAsmList;FromSize,ToSize:TCGSize;reg:tregister;const Ref:TReference);
var
op : tasmop;
begin
@ -451,6 +424,11 @@ implementation
OS_32,
OS_S32:
Op:=A_ST;
{$ifdef SPARC64}
OS_64,
OS_S64:
Op:=A_STX;
{$endif SPARC64}
else
InternalError(2002122100);
end;
@ -459,7 +437,7 @@ implementation
end;
procedure TCgSparc.a_load_ref_reg(list:TAsmList;FromSize,ToSize:TCgSize;const ref:TReference;reg:tregister);
procedure TCGSparcGen.a_load_ref_reg(list:TAsmList;FromSize,ToSize:TCgSize;const ref:TReference;reg:tregister);
var
op : tasmop;
begin
@ -484,9 +462,16 @@ implementation
OS_S32,
OS_32:
Op:=A_LD;{Load Word}
{$ifdef SPARC64}
OS_64,
OS_S64:
Op:=A_LDX;
{$else SPARC64}
OS_S64,
OS_64:
Op:=A_LDD;{Load a Long Word}
{$endif SPARC64}
else
InternalError(2002122101);
end;
@ -498,58 +483,7 @@ implementation
end;
procedure TCgSparc.a_load_reg_reg(list:TAsmList;fromsize,tosize:tcgsize;reg1,reg2:tregister);
var
instr : taicpu;
begin
if (tcgsize2size[fromsize] > tcgsize2size[tosize]) or
((tcgsize2size[fromsize] = tcgsize2size[tosize]) and
(fromsize <> tosize)) or
{ needs to mask out the sign in the top 16 bits }
((fromsize = OS_S8) and
(tosize = OS_16)) then
case tosize of
OS_8 :
list.concat(taicpu.op_reg_const_reg(A_AND,reg1,$ff,reg2));
OS_16 :
begin
list.concat(taicpu.op_reg_const_reg(A_SLL,reg1,16,reg2));
list.concat(taicpu.op_reg_const_reg(A_SRL,reg2,16,reg2));
end;
OS_32,
OS_S32 :
begin
instr:=taicpu.op_reg_reg(A_MOV,reg1,reg2);
list.Concat(instr);
{ Notify the register allocator that we have written a move instruction so
it can try to eliminate it. }
add_move_instruction(instr);
end;
OS_S8 :
begin
list.concat(taicpu.op_reg_const_reg(A_SLL,reg1,24,reg2));
list.concat(taicpu.op_reg_const_reg(A_SRA,reg2,24,reg2));
end;
OS_S16 :
begin
list.concat(taicpu.op_reg_const_reg(A_SLL,reg1,16,reg2));
list.concat(taicpu.op_reg_const_reg(A_SRA,reg2,16,reg2));
end;
else
internalerror(2002090901);
end
else
begin
instr:=taicpu.op_reg_reg(A_MOV,reg1,reg2);
list.Concat(instr);
{ Notify the register allocator that we have written a move instruction so
it can try to eliminate it. }
add_move_instruction(instr);
end;
end;
procedure TCgSparc.a_loadaddr_ref_reg(list : TAsmList;const ref : TReference;r : tregister);
procedure TCGSparcGen.a_loadaddr_ref_reg(list : TAsmList;const ref : TReference;r : tregister);
var
href: treference;
hreg: tregister;
@ -563,8 +497,8 @@ implementation
begin
if (ref.offset<simm13lo) or (ref.offset>simm13hi) then
begin
hreg:=getintregister(list,OS_INT);
a_load_const_reg(list,OS_INT,ref.offset,hreg);
hreg:=getintregister(list,OS_ADDR);
a_load_const_reg(list,OS_ADDR,ref.offset,hreg);
list.concat(taicpu.op_reg_reg_reg(A_ADD,hreg,ref.base,r));
if (ref.index<>NR_NO) then
list.concat(taicpu.op_reg_reg_reg(A_ADD,r,ref.index,r));
@ -578,10 +512,10 @@ implementation
else if (ref.index<>NR_NO) then
list.concat(taicpu.op_reg_reg_reg(A_ADD,ref.base,ref.index,r))
else
a_load_reg_reg(list,OS_INT,OS_INT,ref.base,r); { (try to) emit optimizable move }
a_load_reg_reg(list,OS_ADDR,OS_INT,ref.base,r); { (try to) emit optimizable move }
end
else
a_load_const_reg(list,OS_INT,ref.offset,r);
a_load_const_reg(list,OS_ADDR,ref.offset,r);
exit;
end;
@ -614,8 +548,8 @@ implementation
{ finally, add offset }
if (ref.offset<simm13lo) or (ref.offset>simm13hi) then
begin
hreg:=getintregister(list,OS_INT);
a_load_const_reg(list,OS_INT,ref.offset,hreg);
hreg:=getintregister(list,OS_ADDR);
a_load_const_reg(list,OS_ADDR,ref.offset,hreg);
list.concat(taicpu.op_reg_reg_reg(A_ADD,hreg,r,r));
end
else if (ref.offset<>0) then
@ -637,7 +571,7 @@ implementation
end;
procedure TCgSparc.a_loadfpu_reg_reg(list:TAsmList;fromsize,tosize:tcgsize;reg1, reg2:tregister);
procedure TCGSparcGen.a_loadfpu_reg_reg(list:TAsmList;fromsize,tosize:tcgsize;reg1, reg2:tregister);
const
FpuMovInstr : Array[OS_F32..OS_F64,OS_F32..OS_F64] of TAsmOp =
((A_FMOVS,A_FSTOD),(A_FDTOS,A_FMOVD));
@ -656,7 +590,7 @@ implementation
end;
procedure TCgSparc.a_loadfpu_ref_reg(list:TAsmList;fromsize,tosize:tcgsize;const ref:TReference;reg:tregister);
procedure TCGSparcGen.a_loadfpu_ref_reg(list:TAsmList;fromsize,tosize:tcgsize;const ref:TReference;reg:tregister);
const
FpuLoadInstr : Array[OS_F32..OS_F64] of TAsmOp =
(A_LDF,A_LDDF);
@ -675,7 +609,7 @@ implementation
end;
procedure TCgSparc.a_loadfpu_reg_ref(list:TAsmList;fromsize,tosize:tcgsize;reg:tregister;const ref:TReference);
procedure TCGSparcGen.a_loadfpu_reg_ref(list:TAsmList;fromsize,tosize:tcgsize;reg:tregister;const ref:TReference);
const
FpuLoadInstr : Array[OS_F32..OS_F64] of TAsmOp =
(A_STF,A_STDF);
@ -692,7 +626,7 @@ implementation
end;
procedure tcgsparc.maybeadjustresult(list: TAsmList; op: TOpCg; size: tcgsize; dst: tregister);
procedure TCGSparcGen.maybeadjustresult(list: TAsmList; op: TOpCg; size: tcgsize; dst: tregister);
const
overflowops = [OP_MUL,OP_SHL,OP_ADD,OP_SUB,OP_NOT,OP_NEG];
begin
@ -702,7 +636,7 @@ implementation
end;
procedure TCgSparc.a_op_const_reg(list:TAsmList;Op:TOpCG;size:tcgsize;a:tcgint;reg:TRegister);
procedure TCGSparcGen.a_op_const_reg(list:TAsmList;Op:TOpCG;size:tcgsize;a:tcgint;reg:TRegister);
begin
optimize_op_const(size,op,a);
case op of
@ -720,21 +654,21 @@ implementation
end;
procedure TCgSparc.a_op_reg_reg(list:TAsmList;Op:TOpCG;size:TCGSize;src, dst:TRegister);
procedure TCGSparcGen.a_op_reg_reg(list:TAsmList;Op:TOpCG;size:TCGSize;src, dst:TRegister);
begin
Case Op of
OP_NEG :
list.concat(taicpu.op_reg_reg(TOpCG2AsmOp[op],src,dst));
list.concat(taicpu.op_reg_reg(TOpCG2AsmOp[size in [OS_64,OS_S64],op],src,dst));
OP_NOT :
list.concat(taicpu.op_reg_reg_reg(A_XNOR,src,NR_G0,dst));
else
list.concat(taicpu.op_reg_reg_reg(TOpCG2AsmOp[op],dst,src,dst));
list.concat(taicpu.op_reg_reg_reg(TOpCG2AsmOp[size in [OS_64,OS_S64],op],dst,src,dst));
end;
maybeadjustresult(list,op,size,dst);
end;
procedure TCgSparc.a_op_const_reg_reg(list:TAsmList;op:TOpCg;size:tcgsize;a:tcgint;src, dst:tregister);
procedure TCGSparcGen.a_op_const_reg_reg(list:TAsmList;op:TOpCg;size:tcgsize;a:tcgint;src, dst:tregister);
var
l: TLocation;
begin
@ -742,9 +676,9 @@ implementation
end;
procedure TCgSparc.a_op_reg_reg_reg(list:TAsmList;op:TOpCg;size:tcgsize;src1, src2, dst:tregister);
procedure TCGSparcGen.a_op_reg_reg_reg(list:TAsmList;op:TOpCg;size:tcgsize;src1, src2, dst:tregister);
begin
if (TOpcg2AsmOp[op]=A_NONE) then
if (TOpcg2AsmOp[size in [OS_64,OS_S64],op]=A_NONE) then
InternalError(2013070305);
if (op=OP_SAR) then
begin
@ -758,12 +692,12 @@ implementation
else if not (size in [OS_32,OS_S32]) then
InternalError(2013070306);
end;
list.concat(taicpu.op_reg_reg_reg(TOpCG2AsmOp[op],src2,src1,dst));
list.concat(taicpu.op_reg_reg_reg(TOpCG2AsmOp[size in [OS_64,OS_S64],op],src2,src1,dst));
maybeadjustresult(list,op,size,dst);
end;
procedure tcgsparc.a_op_const_reg_reg_checkoverflow(list: TAsmList; op: TOpCg; size: tcgsize; a: tcgint; src, dst: tregister;setflags : boolean;var ovloc : tlocation);
procedure TCGSparcGen.a_op_const_reg_reg_checkoverflow(list: TAsmList; op: TOpCg; size: tcgsize; a: tcgint; src, dst: tregister;setflags : boolean;var ovloc : tlocation);
var
tmpreg1,tmpreg2 : tregister;
begin
@ -796,7 +730,7 @@ implementation
end;
if setflags then
begin
handle_reg_const_reg(list,TOpCG2AsmOpWithFlags[op],src,a,dst);
handle_reg_const_reg(list,TOpCG2AsmOpWithFlags[size in [OS_64,OS_S64],op],src,a,dst);
case op of
OP_MUL:
begin
@ -819,19 +753,19 @@ implementation
end;
end
else
handle_reg_const_reg(list,TOpCG2AsmOp[op],src,a,dst);
handle_reg_const_reg(list,TOpCG2AsmOp[size in [OS_64,OS_S64],op],src,a,dst);
maybeadjustresult(list,op,size,dst);
end;
procedure tcgsparc.a_op_reg_reg_reg_checkoverflow(list: TAsmList; op: TOpCg; size: tcgsize; src1, src2, dst: tregister;setflags : boolean;var ovloc : tlocation);
procedure TCGSparcGen.a_op_reg_reg_reg_checkoverflow(list: TAsmList; op: TOpCg; size: tcgsize; src1, src2, dst: tregister;setflags : boolean;var ovloc : tlocation);
var
tmpreg1,tmpreg2 : tregister;
begin
ovloc.loc:=LOC_VOID;
if setflags then
begin
list.concat(taicpu.op_reg_reg_reg(TOpCG2AsmOpWithFlags[op],src2,src1,dst));
list.concat(taicpu.op_reg_reg_reg(TOpCG2AsmOpWithFlags[size in [OS_64,OS_S64],op],src2,src1,dst));
case op of
OP_MUL:
begin
@ -854,15 +788,14 @@ implementation
end;
end
else
list.concat(taicpu.op_reg_reg_reg(TOpCG2AsmOp[op],src2,src1,dst));
list.concat(taicpu.op_reg_reg_reg(TOpCG2AsmOp[size in [OS_64,OS_S64],op],src2,src1,dst));
maybeadjustresult(list,op,size,dst);
end;
{*************** compare instructructions ****************}
procedure TCgSparc.a_cmp_const_reg_label(list:TAsmList;size:tcgsize;cmp_op:topcmp;a:tcgint;reg:tregister;l:tasmlabel);
procedure TCGSparcGen.a_cmp_const_reg_label(list:TAsmList;size:tcgsize;cmp_op:topcmp;a:tcgint;reg:tregister;l:tasmlabel);
begin
if (a=0) then
list.concat(taicpu.op_reg_reg_reg(A_SUBcc,reg,NR_G0,NR_G0))
@ -872,14 +805,14 @@ implementation
end;
procedure TCgSparc.a_cmp_reg_reg_label(list:TAsmList;size:tcgsize;cmp_op:topcmp;reg1,reg2:tregister;l:tasmlabel);
procedure TCGSparcGen.a_cmp_reg_reg_label(list:TAsmList;size:tcgsize;cmp_op:topcmp;reg1,reg2:tregister;l:tasmlabel);
begin
list.concat(taicpu.op_reg_reg_reg(A_SUBcc,reg2,reg1,NR_G0));
a_jmp_cond(list,cmp_op,l);
end;
procedure TCgSparc.a_jmp_always(List:TAsmList;l:TAsmLabel);
procedure TCGSparcGen.a_jmp_always(List:TAsmList;l:TAsmLabel);
begin
List.Concat(TAiCpu.op_sym(A_BA,current_asmdata.RefAsmSymbol(l.name,AT_FUNCTION)));
{ Delay slot }
@ -887,7 +820,7 @@ implementation
end;
procedure tcgsparc.a_jmp_name(list : TAsmList;const s : string);
procedure TCGSparcGen.a_jmp_name(list : TAsmList;const s : string);
begin
List.Concat(TAiCpu.op_sym(A_BA,current_asmdata.RefAsmSymbol(s,AT_FUNCTION)));
{ Delay slot }
@ -895,7 +828,7 @@ implementation
end;
procedure TCgSparc.a_jmp_cond(list:TAsmList;cond:TOpCmp;l:TAsmLabel);
procedure TCGSparcGen.a_jmp_cond(list:TAsmList;cond:TOpCmp;l:TAsmLabel);
var
ai:TAiCpu;
begin
@ -907,7 +840,7 @@ implementation
end;
procedure TCgSparc.a_jmp_flags(list:TAsmList;const f:TResFlags;l:tasmlabel);
procedure TCGSparcGen.a_jmp_flags(list:TAsmList;const f:TResFlags;l:tasmlabel);
var
ai : taicpu;
begin
@ -919,7 +852,7 @@ implementation
end;
procedure TCgSparc.g_flags2reg(list:TAsmList;Size:TCgSize;const f:tresflags;reg:TRegister);
procedure TCGSparcGen.g_flags2reg(list:TAsmList;Size:TCgSize;const f:tresflags;reg:TRegister);
var
hl : tasmlabel;
begin
@ -938,7 +871,7 @@ implementation
end;
procedure tcgsparc.g_overflowCheck(List:TAsmList;const Loc:TLocation;def:TDef);
procedure TCGSparcGen.g_overflowCheck(List:TAsmList;const Loc:TLocation;def:TDef);
var
l : tlocation;
begin
@ -947,7 +880,7 @@ implementation
end;
procedure TCgSparc.g_overflowCheck_loc(List:TAsmList;const Loc:TLocation;def:TDef;ovloc : tlocation);
procedure TCGSparcGen.g_overflowCheck_loc(List:TAsmList;const Loc:TLocation;def:TDef;ovloc : tlocation);
var
hl : tasmlabel;
ai:TAiCpu;
@ -989,7 +922,7 @@ implementation
{ *********** entry/exit code and address loading ************ }
procedure TCgSparc.g_proc_entry(list : TAsmList;localsize : longint;nostackframe:boolean);
procedure TCGSparcGen.g_proc_entry(list : TAsmList;localsize : longint;nostackframe:boolean);
begin
if nostackframe then
exit;
@ -1011,7 +944,7 @@ implementation
list.concat(Taicpu.Op_reg_const_reg(A_SAVE,NR_STACK_POINTER_REG,-LocalSize,NR_STACK_POINTER_REG));
end;
procedure TCgSparc.g_maybe_got_init(list : TAsmList);
procedure TCGSparcGen.g_maybe_got_init(list : TAsmList);
var
ref : treference;
hl : tasmlabel;
@ -1041,13 +974,13 @@ implementation
end;
procedure TCgSparc.g_restore_registers(list:TAsmList);
procedure TCGSparcGen.g_restore_registers(list:TAsmList);
begin
{ The sparc port uses the sparc standard calling convetions so this function has no used }
end;
procedure TCgSparc.g_proc_exit(list : TAsmList;parasize:longint;nostackframe:boolean);
procedure TCGSparcGen.g_proc_exit(list : TAsmList;parasize:longint;nostackframe:boolean);
var
hr : treference;
begin
@ -1090,7 +1023,7 @@ implementation
end;
procedure TCgSparc.g_save_registers(list : TAsmList);
procedure TCGSparcGen.g_save_registers(list : TAsmList);
begin
{ The sparc port uses the sparc standard calling convetions so this function has no used }
end;
@ -1098,7 +1031,7 @@ implementation
{ ************* concatcopy ************ }
procedure tcgsparc.g_concatcopy_move(list : TAsmList;const source,dest : treference;len : tcgint);
procedure TCGSparcGen.g_concatcopy_move(list : TAsmList;const source,dest : treference;len : tcgint);
var
paraloc1,paraloc2,paraloc3 : TCGPara;
pd : tprocdef;
@ -1127,7 +1060,7 @@ implementation
end;
procedure TCgSparc.g_concatcopy(list:TAsmList;const source,dest:treference;len:tcgint);
procedure TCGSparcGen.g_concatcopy(list:TAsmList;const source,dest:treference;len:tcgint);
var
tmpreg1,
hreg,
@ -1171,7 +1104,7 @@ implementation
begin
countreg:=GetIntRegister(list,OS_INT);
tmpreg1:=GetIntRegister(list,OS_INT);
a_load_const_reg(list,OS_INT,count,countreg);
a_load_const_reg(list,OS_ADDR,count,countreg);
current_asmdata.getjumplabel(lab);
a_label(list, lab);
list.concat(taicpu.op_ref_reg(A_LD,src,tmpreg1));
@ -1223,7 +1156,7 @@ implementation
end;
procedure tcgsparc.g_concatcopy_unaligned(list : TAsmList;const source,dest : treference;len : tcgint);
procedure TCGSparcGen.g_concatcopy_unaligned(list : TAsmList;const source,dest : treference;len : tcgint);
var
src, dst: TReference;
tmpreg1,
@ -1246,9 +1179,9 @@ implementation
{ generate a loop }
if len>4 then
begin
countreg:=GetIntRegister(list,OS_INT);
tmpreg1:=GetIntRegister(list,OS_INT);
a_load_const_reg(list,OS_INT,len,countreg);
countreg:=GetIntRegister(list,OS_ADDR);
tmpreg1:=GetIntRegister(list,OS_ADDR);
a_load_const_reg(list,OS_ADDR,len,countreg);
current_asmdata.getjumplabel(lab);
a_label(list, lab);
list.concat(taicpu.op_ref_reg(A_LDUB,src,tmpreg1));
@ -1261,7 +1194,7 @@ implementation
else
begin
{ unrolled loop }
tmpreg1:=GetIntRegister(list,OS_INT);
tmpreg1:=GetIntRegister(list,OS_ADDR);
for i:=1 to len do
begin
list.concat(taicpu.op_ref_reg(A_LDUB,src,tmpreg1));
@ -1274,185 +1207,10 @@ implementation
end;
procedure tcgsparc.g_adjust_self_value(list:TAsmList;procdef: tprocdef;ioffset: tcgint);
procedure TCGSparcGen.g_adjust_self_value(list:TAsmList;procdef: tprocdef;ioffset: tcgint);
begin
{ This method is integrated into g_intf_wrapper and shouldn't be called separately }
InternalError(2013020102);
end;
{$ifndef SPARC64}
{****************************************************************************
TCG64Sparc
****************************************************************************}
procedure tcg64sparc.a_load64_reg_ref(list : TAsmList;reg : tregister64;const ref : treference);
var
tmpref: treference;
begin
{ Override this function to prevent loading the reference twice }
tmpref:=ref;
cg.a_load_reg_ref(list,OS_32,OS_32,reg.reghi,tmpref);
inc(tmpref.offset,4);
cg.a_load_reg_ref(list,OS_32,OS_32,reg.reglo,tmpref);
end;
procedure tcg64sparc.a_load64_ref_reg(list : TAsmList;const ref : treference;reg : tregister64);
var
tmpref: treference;
begin
{ Override this function to prevent loading the reference twice }
tmpref:=ref;
cg.a_load_ref_reg(list,OS_32,OS_32,tmpref,reg.reghi);
inc(tmpref.offset,4);
cg.a_load_ref_reg(list,OS_32,OS_32,tmpref,reg.reglo);
end;
procedure tcg64sparc.a_load64_ref_cgpara(list : TAsmList;const r : treference;const paraloc : tcgpara);
var
hreg64 : tregister64;
begin
{ Override this function to prevent loading the reference twice.
Use here some extra registers, but those are optimized away by the RA }
hreg64.reglo:=cg.GetIntRegister(list,OS_32);
hreg64.reghi:=cg.GetIntRegister(list,OS_32);
a_load64_ref_reg(list,r,hreg64);
a_load64_reg_cgpara(list,hreg64,paraloc);
end;
procedure TCg64Sparc.get_64bit_ops(op:TOpCG;var op1,op2:TAsmOp;checkoverflow : boolean);
begin
case op of
OP_ADD :
begin
op1:=A_ADDCC;
if checkoverflow then
op2:=A_ADDXCC
else
op2:=A_ADDX;
end;
OP_SUB :
begin
op1:=A_SUBCC;
if checkoverflow then
op2:=A_SUBXCC
else
op2:=A_SUBX;
end;
OP_XOR :
begin
op1:=A_XOR;
op2:=A_XOR;
end;
OP_OR :
begin
op1:=A_OR;
op2:=A_OR;
end;
OP_AND :
begin
op1:=A_AND;
op2:=A_AND;
end;
else
internalerror(200203241);
end;
end;
procedure TCg64Sparc.a_op64_reg_reg(list:TAsmList;op:TOpCG;size : tcgsize;regsrc,regdst:TRegister64);
begin
case op of
OP_NEG :
begin
{ Use the simple code: y=0-z }
list.concat(taicpu.op_reg_reg_reg(A_SUBcc,NR_G0,regsrc.reglo,regdst.reglo));
list.concat(taicpu.op_reg_reg_reg(A_SUBX,NR_G0,regsrc.reghi,regdst.reghi));
end;
OP_NOT :
begin
list.concat(taicpu.op_reg_reg_reg(A_XNOR,regsrc.reglo,NR_G0,regdst.reglo));
list.concat(taicpu.op_reg_reg_reg(A_XNOR,regsrc.reghi,NR_G0,regdst.reghi));
end;
else
a_op64_reg_reg_reg(list,op,size,regsrc,regdst,regdst);
end;
end;
procedure TCg64Sparc.a_op64_const_reg(list:TAsmList;op:TOpCG;size : tcgsize;value:int64;regdst:TRegister64);
begin
a_op64_const_reg_reg(list,op,size,value,regdst,regdst);
end;
procedure tcg64sparc.a_op64_const_reg_reg(list: TAsmList;op:TOpCG;size : tcgsize;value : int64; regsrc,regdst : tregister64);
var
l : tlocation;
begin
a_op64_const_reg_reg_checkoverflow(list,op,size,value,regsrc,regdst,false,l);
end;
procedure tcg64sparc.a_op64_reg_reg_reg(list: TAsmList;op:TOpCG;size : tcgsize;regsrc1,regsrc2,regdst : tregister64);
var
l : tlocation;
begin
a_op64_reg_reg_reg_checkoverflow(list,op,size,regsrc1,regsrc2,regdst,false,l);
end;
procedure tcg64sparc.a_op64_const_reg_reg_checkoverflow(list: TAsmList;op:TOpCG;size : tcgsize;value : int64;regsrc,regdst : tregister64;setflags : boolean;var ovloc : tlocation);
var
op1,op2:TAsmOp;
begin
case op of
OP_NEG,
OP_NOT :
internalerror(200306017);
OP_AND,OP_OR,OP_XOR:
begin
cg.a_op_const_reg_reg(list,op,OS_INT,tcgint(lo(value)),regsrc.reglo,regdst.reglo);
cg.a_op_const_reg_reg(list,op,OS_INT,tcgint(hi(value)),regsrc.reghi,regdst.reghi);
end;
else
get_64bit_ops(op,op1,op2,setflags);
tcgsparc(cg).handle_reg_const_reg(list,op1,regsrc.reglo,tcgint(lo(value)),regdst.reglo);
tcgsparc(cg).handle_reg_const_reg(list,op2,regsrc.reghi,tcgint(hi(value)),regdst.reghi);
end;
end;
procedure tcg64sparc.a_op64_reg_reg_reg_checkoverflow(list: TAsmList;op:TOpCG;size : tcgsize;regsrc1,regsrc2,regdst : tregister64;setflags : boolean;var ovloc : tlocation);
var
op1,op2:TAsmOp;
begin
case op of
OP_NEG,
OP_NOT :
internalerror(200306017);
end;
get_64bit_ops(op,op1,op2,setflags);
list.concat(taicpu.op_reg_reg_reg(op1,regsrc2.reglo,regsrc1.reglo,regdst.reglo));
list.concat(taicpu.op_reg_reg_reg(op2,regsrc2.reghi,regsrc1.reghi,regdst.reghi));
end;
{$endif SPARC64}
procedure create_codegen;
begin
cg:=TCgSparc.Create;
if target_info.system=system_sparc_linux then
TCgSparc(cg).use_unlimited_pic_mode:=true
else
TCgSparc(cg).use_unlimited_pic_mode:=false;
{$ifndef SPARC64}
cg64:=TCg64Sparc.Create;
{$endif SPARC64}
end;
end.