fpc/compiler/x86_64/aoptcpu.pas
2017-10-01 14:40:21 +00:00

153 lines
3.9 KiB
ObjectPascal

{
Copyright (c) 1998-2004 by Jonas Maebe
This unit calls the optimization procedures to optimize the assembler
code for 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 aoptcpu;
{$i fpcdefs.inc}
interface
uses cpubase, aasmtai, aopt, aoptx86;
type
TCpuAsmOptimizer = class(TX86AsmOptimizer)
function PrePeepHoleOptsCpu(var p: tai): boolean; override;
function PeepHoleOptPass1Cpu(var p: tai): boolean; override;
function PeepHoleOptPass2Cpu(var p: tai): boolean; override;
function PostPeepHoleOptsCpu(var p : tai) : boolean; override;
end;
implementation
uses
globals,
aasmcpu;
function TCpuAsmOptimizer.PrePeepHoleOptsCpu(var p : tai) : boolean;
begin
result := false;
case p.typ of
ait_instruction:
begin
case taicpu(p).opcode of
A_SAR,A_SHR:
result:=PrePeepholeOptSxx(p);
end;
end;
end;
end;
function TCpuAsmOptimizer.PeepHoleOptPass1Cpu(var p: tai): boolean;
begin
result:=False;
case p.typ of
ait_instruction:
begin
case taicpu(p).opcode of
A_AND:
Result:=OptPass1AND(p);
A_MOV:
Result:=OptPass1MOV(p);
A_MOVSX,
A_MOVZX:
Result:=OptPass1Movx(p);
A_VMOVAPS,
A_VMOVAPD:
result:=OptPass1VMOVAP(p);
A_MOVAPD,
A_MOVAPS:
result:=OptPass1MOVAP(p);
A_VDIVSD,
A_VDIVSS,
A_VSUBSD,
A_VSUBSS,
A_VMULSD,
A_VMULSS,
A_VADDSD,
A_VADDSS,
A_VANDPD,
A_VANDPS,
A_VORPD,
A_VORPS,
A_VXORPD,
A_VXORPS:
result:=OptPass1VOP(p);
A_MULSD,
A_MULSS,
A_ADDSD,
A_ADDSS:
result:=OptPass1OP(p);
A_VMOVSD,
A_VMOVSS,
A_MOVSD,
A_MOVSS:
result:=OptPass1MOVXX(p);
A_LEA:
result:=OptPass1LEA(p);
end;
end;
end;
end;
function TCpuAsmOptimizer.PeepHoleOptPass2Cpu(var p : tai) : boolean;
begin
Result := False;
case p.typ of
ait_instruction:
begin
case taicpu(p).opcode of
A_MOV:
Result:=OptPass2MOV(p);
A_IMUL:
Result:=OptPass2Imul(p);
A_JMP:
Result:=OptPass2Jmp(p);
A_Jcc:
Result:=OptPass2Jcc(p);
end;
end;
end;
end;
function TCpuAsmOptimizer.PostPeepHoleOptsCpu(var p: tai): boolean;
begin
result := false;
case p.typ of
ait_instruction:
begin
case taicpu(p).opcode of
A_MOV:
PostPeepholeOptMov(p);
end;
end;
end;
end;
begin
casmoptimizer := TCpuAsmOptimizer;
end.