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	 65c3ba277c
			
		
	
	
		65c3ba277c
		
	
	
	
	
		
			
			ungetcpuregister * renamed (get|unget)explicitregister(s) to ..cpuregister * removed location-release/reference_release
		
			
				
	
	
		
			1267 lines
		
	
	
		
			45 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
			
		
		
	
	
			1267 lines
		
	
	
		
			45 KiB
		
	
	
	
		
			ObjectPascal
		
	
	
	
	
	
| {
 | |
|     $Id$
 | |
|     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,cgobj,cg64f32,
 | |
|        aasmbase,aasmtai,aasmcpu,
 | |
|        cpubase,cpuinfo,
 | |
|        node,symconst,SymType,
 | |
|        rgcpu;
 | |
| 
 | |
|     type
 | |
|       TCgSparc=class(tcg)
 | |
|       protected
 | |
|         function IsSimpleRef(const ref:treference):boolean;
 | |
|      public
 | |
|         procedure init_register_allocators;override;
 | |
|         procedure done_register_allocators;override;
 | |
|         function  getfpuregister(list:Taasmoutput;size:Tcgsize):Tregister;override;
 | |
|         { sparc special, needed by cg64 }
 | |
|         procedure make_simple_ref(list:taasmoutput;var ref: treference);
 | |
|         procedure handle_load_store(list:taasmoutput;isstore:boolean;op: tasmop;reg:tregister;ref: treference);
 | |
|         procedure handle_reg_const_reg(list:taasmoutput;op:Tasmop;src:tregister;a:aint;dst:tregister);
 | |
|         { parameter }
 | |
|         procedure a_param_const(list:TAasmOutput;size:tcgsize;a:aint;const paraloc:TCGPara);override;
 | |
|         procedure a_param_ref(list:TAasmOutput;sz:tcgsize;const r:TReference;const paraloc:TCGPara);override;
 | |
|         procedure a_paramaddr_ref(list:TAasmOutput;const r:TReference;const paraloc:TCGPara);override;
 | |
|         procedure a_paramfpu_reg(list : taasmoutput;size : tcgsize;const r : tregister;const paraloc : TCGPara);override;
 | |
|         procedure a_paramfpu_ref(list : taasmoutput;size : tcgsize;const ref : treference;const paraloc : TCGPara);override;
 | |
| //        procedure a_loadany_param_ref(list : taasmoutput;const paraloc : TCGPara;const ref:treference;shuffle : pmmshuffle);override;
 | |
|         procedure a_loadany_param_reg(list : taasmoutput;const paraloc : TCGPara;const reg:tregister;shuffle : pmmshuffle);override;
 | |
|         procedure a_call_name(list:TAasmOutput;const s:string);override;
 | |
|         procedure a_call_reg(list:TAasmOutput;Reg:TRegister);override;
 | |
|         { General purpose instructions }
 | |
|         procedure a_op_const_reg(list:TAasmOutput;Op:TOpCG;size:tcgsize;a:aint;reg:TRegister);override;
 | |
|         procedure a_op_reg_reg(list:TAasmOutput;Op:TOpCG;size:TCGSize;src, dst:TRegister);override;
 | |
|         procedure a_op_const_reg_reg(list:TAasmOutput;op:TOpCg;size:tcgsize;a:aint;src, dst:tregister);override;
 | |
|         procedure a_op_reg_reg_reg(list:TAasmOutput;op:TOpCg;size:tcgsize;src1, src2, dst:tregister);override;
 | |
|         { move instructions }
 | |
|         procedure a_load_const_reg(list:TAasmOutput;size:tcgsize;a:aint;reg:tregister);override;
 | |
|         procedure a_load_const_ref(list:TAasmOutput;size:tcgsize;a:aint;const ref:TReference);override;
 | |
|         procedure a_load_reg_ref(list:TAasmOutput;FromSize,ToSize:TCgSize;reg:TRegister;const ref:TReference);override;
 | |
|         procedure a_load_ref_reg(list:TAasmOutput;FromSize,ToSize:TCgSize;const ref:TReference;reg:tregister);override;
 | |
|         procedure a_load_reg_reg(list:TAasmOutput;FromSize,ToSize:TCgSize;reg1,reg2:tregister);override;
 | |
|         procedure a_loadaddr_ref_reg(list:TAasmOutput;const ref:TReference;r:tregister);override;
 | |
|         { fpu move instructions }
 | |
|         procedure a_loadfpu_reg_reg(list:TAasmOutput;size:tcgsize;reg1, reg2:tregister);override;
 | |
|         procedure a_loadfpu_ref_reg(list:TAasmOutput;size:tcgsize;const ref:TReference;reg:tregister);override;
 | |
|         procedure a_loadfpu_reg_ref(list:TAasmOutput;size:tcgsize;reg:tregister;const ref:TReference);override;
 | |
|         { comparison operations }
 | |
|         procedure a_cmp_const_reg_label(list:TAasmOutput;size:tcgsize;cmp_op:topcmp;a:aint;reg:tregister;l:tasmlabel);override;
 | |
|         procedure a_cmp_reg_reg_label(list:TAasmOutput;size:tcgsize;cmp_op:topcmp;reg1,reg2:tregister;l:tasmlabel);override;
 | |
|         procedure a_jmp_always(List:TAasmOutput;l:TAsmLabel);override;
 | |
|         procedure a_jmp_cond(list:TAasmOutput;cond:TOpCmp;l:tasmlabel);{ override;}
 | |
|         procedure a_jmp_flags(list:TAasmOutput;const f:TResFlags;l:tasmlabel);override;
 | |
|         procedure g_flags2reg(list:TAasmOutput;Size:TCgSize;const f:tresflags;reg:TRegister);override;
 | |
|         procedure g_overflowCheck(List:TAasmOutput;const Loc:TLocation;def:TDef);override;
 | |
|         procedure g_proc_entry(list : taasmoutput;localsize : longint;nostackframe:boolean);override;
 | |
|         procedure g_proc_exit(list : taasmoutput;parasize:longint;nostackframe:boolean);override;
 | |
|         procedure g_restore_all_registers(list:TAasmOutput;const funcretparaloc:TCGPara);override;
 | |
|         procedure g_restore_standard_registers(list:taasmoutput);override;
 | |
|         procedure g_save_all_registers(list : taasmoutput);override;
 | |
|         procedure g_save_standard_registers(list : taasmoutput);override;
 | |
|         procedure g_concatcopy(list : taasmoutput;const source,dest : treference;len : aint;loadref : boolean);override;
 | |
|       end;
 | |
| 
 | |
|       TCg64Sparc=class(tcg64f32)
 | |
|       private
 | |
|         procedure get_64bit_ops(op:TOpCG;var op1,op2:TAsmOp);
 | |
|       public
 | |
|         procedure a_load64_reg_ref(list : taasmoutput;reg : tregister64;const ref : treference);override;
 | |
|         procedure a_load64_ref_reg(list : taasmoutput;const ref : treference;reg : tregister64);override;
 | |
|         procedure a_param64_ref(list : taasmoutput;const r : treference;const paraloc : tcgpara);override;
 | |
|         procedure a_op64_reg_reg(list:TAasmOutput;op:TOpCG;regsrc,regdst:TRegister64);override;
 | |
|         procedure a_op64_const_reg(list:TAasmOutput;op:TOpCG;value:int64;regdst:TRegister64);override;
 | |
|         procedure a_op64_const_reg_reg(list: taasmoutput;op:TOpCG;value : int64;regsrc,regdst : tregister64);override;
 | |
|         procedure a_op64_reg_reg_reg(list: taasmoutput;op:TOpCG;regsrc1,regsrc2,regdst : tregister64);override;
 | |
|       end;
 | |
| 
 | |
|     const
 | |
|       TOpCG2AsmOp : array[topcg] of TAsmOp=(
 | |
|         A_NONE,A_ADD,A_AND,A_UDIV,A_SDIV,A_UMUL,A_SMUL,A_NEG,A_NOT,A_OR,A_SRA,A_SLL,A_SRL,A_SUB,A_XOR
 | |
|       );
 | |
|       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
 | |
|       );
 | |
| 
 | |
| 
 | |
| implementation
 | |
| 
 | |
|   uses
 | |
|     globals,verbose,systems,cutils,
 | |
|     symdef,paramgr,
 | |
|     tgobj,cpupi,cgutils;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                        This is private property, keep out! :)
 | |
| ****************************************************************************}
 | |
| 
 | |
|     function TCgSparc.IsSimpleRef(const ref:treference):boolean;
 | |
|       begin
 | |
|         if (ref.base=NR_NO) and (ref.index<>NR_NO) then
 | |
|           InternalError(2002100804);
 | |
|         result :=not(assigned(ref.symbol))and
 | |
|                   (((ref.index = NR_NO) and
 | |
|                    (ref.offset >= simm13lo) and
 | |
|                     (ref.offset <= simm13hi)) or
 | |
|                   ((ref.index <> NR_NO) and
 | |
|                   (ref.offset = 0)));
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tcgsparc.make_simple_ref(list:taasmoutput;var ref: treference);
 | |
|       var
 | |
|         tmpreg : tregister;
 | |
|         tmpref : treference;
 | |
|       begin
 | |
|         tmpreg:=NR_NO;
 | |
|         { Be sure to have a base register }
 | |
|         if (ref.base=NR_NO) then
 | |
|           begin
 | |
|             ref.base:=ref.index;
 | |
|             ref.index:=NR_NO;
 | |
|           end;
 | |
|         { When need to use SETHI, do it first }
 | |
|         if assigned(ref.symbol) or
 | |
|            (ref.offset<simm13lo) or
 | |
|            (ref.offset>simm13hi) then
 | |
|           begin
 | |
|             tmpreg:=GetIntRegister(list,OS_INT);
 | |
|             reference_reset(tmpref);
 | |
|             tmpref.symbol:=ref.symbol;
 | |
|             tmpref.offset:=ref.offset;
 | |
|             tmpref.refaddr:=addr_hi;
 | |
|             list.concat(taicpu.op_ref_reg(A_SETHI,tmpref,tmpreg));
 | |
|             { Load the low part is left }
 | |
| {$warning TODO Maybe not needed to load symbol}
 | |
|             tmpref.refaddr:=addr_lo;
 | |
|             list.concat(taicpu.op_reg_ref_reg(A_OR,tmpreg,tmpref,tmpreg));
 | |
|             { The offset and symbol are loaded, reset in reference }
 | |
|             ref.offset:=0;
 | |
|             ref.symbol:=nil;
 | |
|             { Only an index register or offset is allowed }
 | |
|             if tmpreg<>NR_NO then
 | |
|               begin
 | |
|                 if (ref.index<>NR_NO) then
 | |
|                   begin
 | |
|                     list.concat(taicpu.op_reg_reg_reg(A_ADD,tmpreg,ref.index,tmpreg));
 | |
|                     ref.index:=tmpreg;
 | |
|                   end
 | |
|                 else
 | |
|                   begin
 | |
|                     if ref.base<>NR_NO then
 | |
|                       ref.index:=tmpreg
 | |
|                     else
 | |
|                       ref.base:=tmpreg;
 | |
|                   end;
 | |
|               end;
 | |
|           end;
 | |
|         if (ref.base<>NR_NO) then
 | |
|           begin
 | |
|             if (ref.index<>NR_NO) and
 | |
|                ((ref.offset<>0) or assigned(ref.symbol)) then
 | |
|               begin
 | |
|                 if tmpreg=NR_NO then
 | |
|                   tmpreg:=GetIntRegister(list,OS_INT);
 | |
|                 list.concat(taicpu.op_reg_reg_reg(A_ADD,ref.base,ref.index,tmpreg));
 | |
|                 ref.base:=tmpreg;
 | |
|                 ref.index:=NR_NO;
 | |
|               end;
 | |
|           end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tcgsparc.handle_load_store(list:taasmoutput;isstore:boolean;op: tasmop;reg:tregister;ref: treference);
 | |
|       begin
 | |
|         make_simple_ref(list,ref);
 | |
|         if isstore then
 | |
|           list.concat(taicpu.op_reg_ref(op,reg,ref))
 | |
|         else
 | |
|           list.concat(taicpu.op_ref_reg(op,ref,reg));
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tcgsparc.handle_reg_const_reg(list:taasmoutput;op:Tasmop;src:tregister;a:aint;dst:tregister);
 | |
|       var
 | |
|         tmpreg : tregister;
 | |
|       begin
 | |
|         if (a<simm13lo) or
 | |
|            (a>simm13hi) then
 | |
|           begin
 | |
|             tmpreg:=GetIntRegister(list,OS_INT);
 | |
|             a_load_const_reg(list,OS_INT,a,tmpreg);
 | |
|             list.concat(taicpu.op_reg_reg_reg(op,src,tmpreg,dst));
 | |
|           end
 | |
|         else
 | |
|           list.concat(taicpu.op_reg_const_reg(op,src,a,dst));
 | |
|       end;
 | |
| 
 | |
| 
 | |
| {****************************************************************************
 | |
|                               Assembler code
 | |
| ****************************************************************************}
 | |
| 
 | |
|     procedure Tcgsparc.init_register_allocators;
 | |
|       begin
 | |
|         inherited init_register_allocators;
 | |
|         rg[R_INTREGISTER]:=Trgcpu.create(R_INTREGISTER,R_SUBD,
 | |
|             [RS_O0,RS_O1,RS_O2,RS_O3,RS_O4,RS_O5,
 | |
|              RS_L0,RS_L1,RS_L2,RS_L3,RS_L4,RS_L5,RS_L6,RS_L7],
 | |
|             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],
 | |
|             first_fpu_imreg,[]);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure Tcgsparc.done_register_allocators;
 | |
|       begin
 | |
|         rg[R_INTREGISTER].free;
 | |
|         rg[R_FPUREGISTER].free;
 | |
|         inherited done_register_allocators;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     function tcgsparc.getfpuregister(list:Taasmoutput;size:Tcgsize):Tregister;
 | |
|       begin
 | |
|         if size=OS_F64 then
 | |
|           result:=rg[R_FPUREGISTER].getregister(list,R_SUBFD)
 | |
|         else
 | |
|           result:=rg[R_FPUREGISTER].getregister(list,R_SUBFS);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.a_param_const(list:TAasmOutput;size:tcgsize;a:aint;const paraloc:TCGPara);
 | |
|       var
 | |
|         Ref:TReference;
 | |
|       begin
 | |
|         paraloc.check_simple_location;
 | |
|         case paraloc.location^.loc of
 | |
|           LOC_REGISTER,LOC_CREGISTER:
 | |
|             a_load_const_reg(list,size,a,paraloc.location^.register);
 | |
|           LOC_REFERENCE:
 | |
|             begin
 | |
|               { Code conventions need the parameters being allocated in %o6+92 }
 | |
|               with paraloc.location^.Reference do
 | |
|                 begin
 | |
|                   if (Index=NR_SP) and (Offset<Target_info.first_parm_offset) then
 | |
|                     InternalError(2002081104);
 | |
|                   reference_reset_base(ref,index,offset);
 | |
|                 end;
 | |
|               a_load_const_ref(list,size,a,ref);
 | |
|             end;
 | |
|           else
 | |
|             InternalError(2002122200);
 | |
|         end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.a_param_ref(list:TAasmOutput;sz:TCgSize;const r:TReference;const paraloc:TCGPara);
 | |
|       var
 | |
|         ref: treference;
 | |
|         tmpreg:TRegister;
 | |
|       begin
 | |
|         paraloc.check_simple_location;
 | |
|         with paraloc.location^ do
 | |
|           begin
 | |
|             case loc of
 | |
|               LOC_REGISTER,LOC_CREGISTER :
 | |
|                 a_load_ref_reg(list,sz,sz,r,Register);
 | |
|               LOC_REFERENCE:
 | |
|                 begin
 | |
|                   { Code conventions need the parameters being allocated in %o6+92 }
 | |
|                   with Reference do
 | |
|                     begin
 | |
|                       if (Index=NR_SP) and (Offset<Target_info.first_parm_offset) then
 | |
|                         InternalError(2002081104);
 | |
|                       reference_reset_base(ref,index,offset);
 | |
|                     end;
 | |
|                   tmpreg:=GetIntRegister(list,OS_INT);
 | |
|                   a_load_ref_reg(list,sz,sz,r,tmpreg);
 | |
|                   a_load_reg_ref(list,sz,sz,tmpreg,ref);
 | |
|                 end;
 | |
|               else
 | |
|                 internalerror(2002081103);
 | |
|             end;
 | |
|           end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.a_paramaddr_ref(list:TAasmOutput;const r:TReference;const paraloc:TCGPara);
 | |
|       var
 | |
|         Ref:TReference;
 | |
|         TmpReg:TRegister;
 | |
|       begin
 | |
|         paraloc.check_simple_location;
 | |
|         with paraloc.location^ do
 | |
|           begin
 | |
|             case loc of
 | |
|               LOC_REGISTER,LOC_CREGISTER:
 | |
|                 a_loadaddr_ref_reg(list,r,register);
 | |
|               LOC_REFERENCE:
 | |
|                 begin
 | |
|                   reference_reset(ref);
 | |
|                   ref.base := reference.index;
 | |
|                   ref.offset := reference.offset;
 | |
|                   tmpreg:=GetAddressRegister(list);
 | |
|                   a_loadaddr_ref_reg(list,r,tmpreg);
 | |
|                   a_load_reg_ref(list,OS_ADDR,OS_ADDR,tmpreg,ref);
 | |
|                 end;
 | |
|               else
 | |
|                 internalerror(2002080701);
 | |
|             end;
 | |
|           end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tcgsparc.a_paramfpu_ref(list : taasmoutput;size : tcgsize;const ref : treference;const paraloc : TCGPara);
 | |
|       var
 | |
|          href,href2 : treference;
 | |
|          hloc : pcgparalocation;
 | |
|       begin
 | |
|         href:=ref;
 | |
|         hloc:=paraloc.location;
 | |
|         while assigned(hloc) do
 | |
|           begin
 | |
|             case hloc^.loc of
 | |
|               LOC_REGISTER :
 | |
|                 a_load_ref_reg(list,hloc^.size,hloc^.size,href,hloc^.register);
 | |
|               LOC_REFERENCE :
 | |
|                 begin
 | |
|                   reference_reset_base(href2,hloc^.reference.index,hloc^.reference.offset);
 | |
|                   a_load_ref_ref(list,hloc^.size,hloc^.size,href,href2);
 | |
|                 end;
 | |
|               else
 | |
|                 internalerror(200408241);
 | |
|            end;
 | |
|            inc(href.offset,tcgsize2size[hloc^.size]);
 | |
|            hloc:=hloc^.next;
 | |
|          end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tcgsparc.a_paramfpu_reg(list : taasmoutput;size : tcgsize;const r : tregister;const paraloc : TCGPara);
 | |
|       var
 | |
|         href : treference;
 | |
|       begin
 | |
|         tg.GetTemp(list,TCGSize2Size[size],tt_normal,href);
 | |
|         a_loadfpu_reg_ref(list,size,r,href);
 | |
|         a_paramfpu_ref(list,size,href,paraloc);
 | |
|         tg.Ungettemp(list,href);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|       (*
 | |
|     procedure tcgsparc.a_paramfpu_ref(list : taasmoutput;size : tcgsize;const ref : treference;const paraloc : TCGPara);
 | |
|       var
 | |
|         tempparaloc : TCGPara;
 | |
|       begin
 | |
|         { floats are pushed in the int registers }
 | |
|         tempparaloc:=paraloc;
 | |
|         case paraloc.size of
 | |
|           OS_F32,OS_32 :
 | |
|             begin
 | |
|               tempparaloc.size:=OS_32;
 | |
|               a_param_ref(list,OS_32,ref,tempparaloc);
 | |
|             end;
 | |
|           OS_F64,OS_64 :
 | |
|             begin
 | |
|               tempparaloc.size:=OS_64;
 | |
|               cg64.a_param64_ref(list,ref,tempparaloc);
 | |
|             end;
 | |
|           else
 | |
|             internalerror(200307021);
 | |
|         end;
 | |
|       end;
 | |
| 
 | |
|     procedure tcgsparc.a_loadany_param_ref(list : taasmoutput;const paraloc : TCGPara;const ref:treference;shuffle : pmmshuffle);
 | |
|       var
 | |
|         href,
 | |
|         tempref : treference;
 | |
|         tempparaloc : TCGPara;
 | |
|       begin
 | |
|         { Load floats like ints }
 | |
|         tempparaloc:=paraloc;
 | |
|         case paraloc.size of
 | |
|           OS_F32 :
 | |
|             tempparaloc.size:=OS_32;
 | |
|           OS_F64 :
 | |
|             tempparaloc.size:=OS_64;
 | |
|         end;
 | |
|         { Word 0 is in register, word 1 is in reference }
 | |
|         if (tempparaloc.loc=LOC_REFERENCE) and (tempparaloc.low_in_reg) then
 | |
|           begin
 | |
|             tempref:=ref;
 | |
|             cg.a_load_reg_ref(list,OS_INT,OS_INT,tempparaloc.register,tempref);
 | |
|             inc(tempref.offset,4);
 | |
|             reference_reset_base(href,tempparaloc.reference.index,tempparaloc.reference.offset);
 | |
|             cg.a_load_ref_ref(list,OS_INT,OS_INT,href,tempref);
 | |
|           end
 | |
|         else
 | |
|           inherited a_loadany_param_ref(list,tempparaloc,ref,shuffle);
 | |
|       end;
 | |
| *)
 | |
| 
 | |
| 
 | |
|     procedure tcgsparc.a_loadany_param_reg(list : taasmoutput;const paraloc : TCGPara;const reg:tregister;shuffle : pmmshuffle);
 | |
|       var
 | |
|         href : treference;
 | |
|       begin
 | |
|         paraloc.check_simple_location;
 | |
|         { Float load use a temp reference }
 | |
|         if getregtype(reg)=R_FPUREGISTER then
 | |
|           begin
 | |
|             tg.GetTemp(list,TCGSize2Size[paraloc.size],tt_normal,href);
 | |
|             a_loadany_param_ref(list,paraloc,href,shuffle);
 | |
|             a_loadfpu_ref_reg(list,paraloc.size,href,reg);
 | |
|             tg.Ungettemp(list,href);
 | |
|           end
 | |
|         else
 | |
|           inherited a_loadany_param_reg(list,paraloc,reg,shuffle);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.a_call_name(list:TAasmOutput;const s:string);
 | |
|       begin
 | |
|         list.concat(taicpu.op_sym(A_CALL,objectlibrary.newasmsymbol(s,AB_EXTERNAL,AT_FUNCTION)));
 | |
|         { Delay slot }
 | |
|         list.concat(taicpu.op_none(A_NOP));
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.a_call_reg(list:TAasmOutput;Reg:TRegister);
 | |
|       begin
 | |
|         list.concat(taicpu.op_reg(A_CALL,reg));
 | |
|         { Delay slot }
 | |
|         list.concat(taicpu.op_none(A_NOP));
 | |
|      end;
 | |
| 
 | |
| 
 | |
|     {********************** load instructions ********************}
 | |
| 
 | |
|     procedure TCgSparc.a_load_const_reg(list : TAasmOutput;size : TCGSize;a : aint;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))
 | |
|         { sethi allows to set the upper 22 bit, so we'll take full advantage of it }
 | |
|         else if (a and aint($1fff))=0 then
 | |
|           list.concat(taicpu.op_const_reg(A_SETHI,a shr 10,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,a shr 10,reg));
 | |
|             list.concat(taicpu.op_reg_const_reg(A_OR,reg,a and aint($3ff),reg));
 | |
|           end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.a_load_const_ref(list : TAasmOutput;size : tcgsize;a : aint;const ref : TReference);
 | |
|       begin
 | |
|         if a=0 then
 | |
|           a_load_reg_ref(list,size,size,NR_G0,ref)
 | |
|         else
 | |
|           inherited a_load_const_ref(list,size,a,ref);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.a_load_reg_ref(list:TAasmOutput;FromSize,ToSize:TCGSize;reg:tregister;const Ref:TReference);
 | |
|       var
 | |
|         op : tasmop;
 | |
|       begin
 | |
|         if (TCGSize2Size[fromsize] >= TCGSize2Size[tosize]) then
 | |
|           fromsize := tosize;
 | |
|         case fromsize of
 | |
|           { signed integer registers }
 | |
|           OS_8,
 | |
|           OS_S8:
 | |
|             Op:=A_STB;
 | |
|           OS_16,
 | |
|           OS_S16:
 | |
|             Op:=A_STH;
 | |
|           OS_32,
 | |
|           OS_S32:
 | |
|             Op:=A_ST;
 | |
|           else
 | |
|             InternalError(2002122100);
 | |
|         end;
 | |
|         handle_load_store(list,true,op,reg,ref);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.a_load_ref_reg(list:TAasmOutput;FromSize,ToSize:TCgSize;const ref:TReference;reg:tregister);
 | |
|       var
 | |
|         op : tasmop;
 | |
|       begin
 | |
|         if (TCGSize2Size[fromsize] >= TCGSize2Size[tosize]) then
 | |
|           fromsize := tosize;
 | |
|         case fromsize of
 | |
|           OS_S8:
 | |
|             Op:=A_LDSB;{Load Signed Byte}
 | |
|           OS_8:
 | |
|             Op:=A_LDUB;{Load Unsigned Byte}
 | |
|           OS_S16:
 | |
|             Op:=A_LDSH;{Load Signed Halfword}
 | |
|           OS_16:
 | |
|             Op:=A_LDUH;{Load Unsigned Halfword}
 | |
|           OS_S32,
 | |
|           OS_32:
 | |
|             Op:=A_LD;{Load Word}
 | |
|           OS_S64,
 | |
|           OS_64:
 | |
|             Op:=A_LDD;{Load a Long Word}
 | |
|           else
 | |
|             InternalError(2002122101);
 | |
|         end;
 | |
|         handle_load_store(list,false,op,reg,ref);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.a_load_reg_reg(list:TAasmOutput;fromsize,tosize:tcgsize;reg1,reg2:tregister);
 | |
|       var
 | |
|         instr : taicpu;
 | |
|       begin
 | |
|         if (tcgsize2size[tosize]<tcgsize2size[fromsize]) or
 | |
|            (
 | |
|             (tcgsize2size[tosize] = tcgsize2size[fromsize]) and
 | |
|             (tosize <> fromsize) and
 | |
|             not(fromsize in [OS_32,OS_S32])
 | |
|            ) then
 | |
|           begin
 | |
|             case tosize of
 | |
|               OS_8 :
 | |
|                 a_op_const_reg_reg(list,OP_AND,tosize,$ff,reg1,reg2);
 | |
|               OS_16 :
 | |
|                 a_op_const_reg_reg(list,OP_AND,tosize,$ffff,reg1,reg2);
 | |
|               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;
 | |
|           end
 | |
|         else
 | |
|           begin
 | |
|             { same size, only a register mov required }
 | |
|             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 : TAasmOutput;const ref : TReference;r : tregister);
 | |
|       var
 | |
|          tmpref : treference;
 | |
|          hreg : tregister;
 | |
|       begin
 | |
|         if (ref.base=NR_NO) and (ref.index<>NR_NO) then
 | |
|           internalerror(200306171);
 | |
|         { At least big offset (need SETHI), maybe base and maybe index }
 | |
|         if assigned(ref.symbol) or
 | |
|            (ref.offset<simm13lo) or
 | |
|            (ref.offset>simm13hi) then
 | |
|           begin
 | |
|             hreg:=GetAddressRegister(list);
 | |
|             reference_reset(tmpref);
 | |
|             tmpref.symbol := ref.symbol;
 | |
|             tmpref.offset := ref.offset;
 | |
|             tmpref.refaddr := addr_hi;
 | |
|             list.concat(taicpu.op_ref_reg(A_SETHI,tmpref,hreg));
 | |
|             { Only the low part is left }
 | |
|             tmpref.refaddr:=addr_lo;
 | |
|             list.concat(taicpu.op_reg_ref_reg(A_OR,hreg,tmpref,hreg));
 | |
|             if ref.base<>NR_NO then
 | |
|               begin
 | |
|                 if ref.index<>NR_NO then
 | |
|                   begin
 | |
|                     list.concat(taicpu.op_reg_reg_reg(A_ADD,hreg,ref.base,hreg));
 | |
|                     list.concat(taicpu.op_reg_reg_reg(A_ADD,hreg,ref.index,r));
 | |
|                   end
 | |
|                 else
 | |
|                   list.concat(taicpu.op_reg_reg_reg(A_ADD,hreg,ref.base,r));
 | |
|               end
 | |
|             else
 | |
|               begin
 | |
|                 if hreg<>r then
 | |
|                   a_load_reg_reg(list,OS_ADDR,OS_ADDR,hreg,r);
 | |
|               end;
 | |
|           end
 | |
|         else
 | |
|         { At least small offset, maybe base and maybe index }
 | |
|           if ref.offset<>0 then
 | |
|             begin
 | |
|               if ref.base<>NR_NO then
 | |
|                 begin
 | |
|                   if ref.index<>NR_NO then
 | |
|                     begin
 | |
|                       hreg:=GetAddressRegister(list);
 | |
|                       list.concat(taicpu.op_reg_const_reg(A_ADD,ref.base,ref.offset,hreg));
 | |
|                       list.concat(taicpu.op_reg_reg_reg(A_ADD,hreg,ref.index,r));
 | |
|                     end
 | |
|                   else
 | |
|                     list.concat(taicpu.op_reg_const_reg(A_ADD,ref.base,ref.offset,r));
 | |
|                 end
 | |
|               else
 | |
|                 list.concat(taicpu.op_const_reg(A_MOV,ref.offset,r));
 | |
|             end
 | |
|         else
 | |
|         { Both base and index }
 | |
|           if ref.index<>NR_NO then
 | |
|             list.concat(taicpu.op_reg_reg_reg(A_ADD,ref.base,ref.index,r))
 | |
|         else
 | |
|         { Only base }
 | |
|           if ref.base<>NR_NO then
 | |
|             a_load_reg_reg(list,OS_ADDR,OS_ADDR,ref.base,r)
 | |
|         else
 | |
|           { only offset, can be generated by absolute }
 | |
|           a_load_const_reg(list,OS_ADDR,ref.offset,r);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.a_loadfpu_reg_reg(list:TAasmOutput;size:tcgsize;reg1, reg2:tregister);
 | |
|       const
 | |
|          FpuMovInstr : Array[OS_F32..OS_F64] of TAsmOp =
 | |
|            (A_FMOVS,A_FMOVD);
 | |
|       var
 | |
|         instr : taicpu;
 | |
|       begin
 | |
|         if reg1<>reg2 then
 | |
|           begin
 | |
|             instr:=taicpu.op_reg_reg(fpumovinstr[size],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_loadfpu_ref_reg(list:TAasmOutput;size:tcgsize;const ref:TReference;reg:tregister);
 | |
|        const
 | |
|          FpuLoadInstr : Array[OS_F32..OS_F64] of TAsmOp =
 | |
|            (A_LDF,A_LDDF);
 | |
|        begin
 | |
|           { several functions call this procedure with OS_32 or OS_64 }
 | |
|           { so this makes life easier (FK)                            }
 | |
|           case size of
 | |
|              OS_32,OS_F32:
 | |
|                size:=OS_F32;
 | |
|              OS_64,OS_F64,OS_C64:
 | |
|                size:=OS_F64;
 | |
|              else
 | |
|                internalerror(200201121);
 | |
|           end;
 | |
|          handle_load_store(list,false,fpuloadinstr[size],reg,ref);
 | |
|        end;
 | |
| 
 | |
| 
 | |
|      procedure TCgSparc.a_loadfpu_reg_ref(list:TAasmOutput;size:tcgsize;reg:tregister;const ref:TReference);
 | |
|        const
 | |
|          FpuLoadInstr : Array[OS_F32..OS_F64] of TAsmOp =
 | |
|            (A_STF,A_STDF);
 | |
|        begin
 | |
|           { several functions call this procedure with OS_32 or OS_64 }
 | |
|           { so this makes life easier (FK)                            }
 | |
|           case size of
 | |
|              OS_32,OS_F32:
 | |
|                size:=OS_F32;
 | |
|              OS_64,OS_F64,OS_C64:
 | |
|                size:=OS_F64;
 | |
|              else
 | |
|                internalerror(200201121);
 | |
|           end;
 | |
|          handle_load_store(list,true,fpuloadinstr[size],reg,ref);
 | |
|        end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.a_op_const_reg(list:TAasmOutput;Op:TOpCG;size:tcgsize;a:aint;reg:TRegister);
 | |
|       begin
 | |
|         if Op in [OP_NEG,OP_NOT] then
 | |
|           internalerror(200306011);
 | |
|         if (a=0) then
 | |
|           list.concat(taicpu.op_reg_reg_reg(TOpCG2AsmOp[op],reg,NR_G0,reg))
 | |
|         else
 | |
|           handle_reg_const_reg(list,TOpCG2AsmOp[op],reg,a,reg);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.a_op_reg_reg(list:TAasmOutput;Op:TOpCG;size:TCGSize;src, dst:TRegister);
 | |
|       var
 | |
|         a : aint;
 | |
|       begin
 | |
|         Case Op of
 | |
|           OP_NEG :
 | |
|             list.concat(taicpu.op_reg_reg(TOpCG2AsmOp[op],src,dst));
 | |
|           OP_NOT :
 | |
|             begin
 | |
|               case size of
 | |
|                 OS_8 :
 | |
|                   a:=aint($ffffff00);
 | |
|                 OS_16 :
 | |
|                   a:=aint($ffff0000);
 | |
|                 else
 | |
|                   a:=0;
 | |
|               end;
 | |
|               handle_reg_const_reg(list,A_XNOR,src,a,dst);
 | |
|             end;
 | |
|           else
 | |
|             list.concat(taicpu.op_reg_reg_reg(TOpCG2AsmOp[op],dst,src,dst));
 | |
|         end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.a_op_const_reg_reg(list:TAasmOutput;op:TOpCg;size:tcgsize;a:aint;src, dst:tregister);
 | |
|       var
 | |
|         power : longInt;
 | |
|       begin
 | |
|         case op of
 | |
|           OP_IMUL :
 | |
|             begin
 | |
|               if not(cs_check_overflow in aktlocalswitches) and
 | |
|                  ispowerof2(a,power) then
 | |
|                 begin
 | |
|                   { can be done with a shift }
 | |
|                   inherited a_op_const_reg_reg(list,op,size,a,src,dst);
 | |
|                   exit;
 | |
|                 end;
 | |
|             end;
 | |
|           OP_SUB,
 | |
|           OP_ADD :
 | |
|             begin
 | |
|               if (a=0) then
 | |
|                 begin
 | |
|                   a_load_reg_reg(list,size,size,src,dst);
 | |
|                   exit;
 | |
|                 end;
 | |
|             end;
 | |
|         end;
 | |
|         handle_reg_const_reg(list,TOpCG2AsmOp[op],src,a,dst);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.a_op_reg_reg_reg(list:TAasmOutput;op:TOpCg;size:tcgsize;src1, src2, dst:tregister);
 | |
|       begin
 | |
|         list.concat(taicpu.op_reg_reg_reg(TOpCG2AsmOp[op],src2,src1,dst));
 | |
|       end;
 | |
| 
 | |
| 
 | |
|   {*************** compare instructructions ****************}
 | |
| 
 | |
|     procedure TCgSparc.a_cmp_const_reg_label(list:TAasmOutput;size:tcgsize;cmp_op:topcmp;a:aint;reg:tregister;l:tasmlabel);
 | |
|       begin
 | |
|         if (a=0) then
 | |
|           list.concat(taicpu.op_reg_reg_reg(A_SUBcc,reg,NR_G0,NR_G0))
 | |
|         else
 | |
|           handle_reg_const_reg(list,A_SUBcc,reg,a,NR_G0);
 | |
|         a_jmp_cond(list,cmp_op,l);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.a_cmp_reg_reg_label(list:TAasmOutput;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:TAasmOutput;l:TAsmLabel);
 | |
|       begin
 | |
|         List.Concat(TAiCpu.op_sym(A_BA,objectlibrary.newasmsymbol(l.name,AB_EXTERNAL,AT_FUNCTION)));
 | |
|         { Delay slot }
 | |
|         list.Concat(TAiCpu.Op_none(A_NOP));
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.a_jmp_cond(list:TAasmOutput;cond:TOpCmp;l:TAsmLabel);
 | |
|       var
 | |
|         ai:TAiCpu;
 | |
|       begin
 | |
|         ai:=TAiCpu.Op_sym(A_Bxx,l);
 | |
|         ai.SetCondition(TOpCmp2AsmCond[cond]);
 | |
|         list.Concat(ai);
 | |
|         { Delay slot }
 | |
|         list.Concat(TAiCpu.Op_none(A_NOP));
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.a_jmp_flags(list:TAasmOutput;const f:TResFlags;l:tasmlabel);
 | |
|       var
 | |
|         ai : taicpu;
 | |
|         op : tasmop;
 | |
|       begin
 | |
|         if f in [F_FE,F_FNE,F_FG,F_FL,F_FGE,F_FLE] then
 | |
|           op:=A_FBxx
 | |
|         else
 | |
|           op:=A_Bxx;
 | |
|         ai := Taicpu.op_sym(op,l);
 | |
|         ai.SetCondition(flags_to_cond(f));
 | |
|         list.Concat(ai);
 | |
|         { Delay slot }
 | |
|         list.Concat(TAiCpu.Op_none(A_NOP));
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.g_flags2reg(list:TAasmOutput;Size:TCgSize;const f:tresflags;reg:TRegister);
 | |
|       var
 | |
|         hl : tasmlabel;
 | |
|       begin
 | |
|         objectlibrary.getlabel(hl);
 | |
|         a_load_const_reg(list,size,1,reg);
 | |
|         a_jmp_flags(list,f,hl);
 | |
|         a_load_const_reg(list,size,0,reg);
 | |
|         a_label(list,hl);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.g_overflowCheck(List:TAasmOutput;const Loc:TLocation;def:TDef);
 | |
|       var
 | |
|         hl : tasmlabel;
 | |
|       begin
 | |
|         if not(cs_check_overflow in aktlocalswitches) then
 | |
|           exit;
 | |
|         objectlibrary.getlabel(hl);
 | |
|         if not((def.deftype=pointerdef)or
 | |
|               ((def.deftype=orddef)and
 | |
|                (torddef(def).typ in [u64bit,u16bit,u32bit,u8bit,uchar,bool8bit,bool16bit,bool32bit]))) then
 | |
|           begin
 | |
|             //r.enum:=R_CR7;
 | |
|             //list.concat(taicpu.op_reg(A_MCRXR,r));
 | |
|             //a_jmp_cond(list,A_Bxx,C_OV,hl)
 | |
|             a_jmp_always(list,hl)
 | |
|           end
 | |
|         else
 | |
|           a_jmp_cond(list,OC_AE,hl);
 | |
|         a_call_name(list,'FPC_OVERFLOW');
 | |
|         a_label(list,hl);
 | |
|       end;
 | |
| 
 | |
|   { *********** entry/exit code and address loading ************ }
 | |
| 
 | |
|     procedure TCgSparc.g_proc_entry(list : taasmoutput;localsize : longint;nostackframe:boolean);
 | |
|       begin
 | |
|         if nostackframe then
 | |
|           exit;
 | |
|         { Althogh the SPARC architecture require only word alignment, software
 | |
|           convention and the operating system require every stack frame to be double word
 | |
|           aligned }
 | |
|         LocalSize:=align(LocalSize,8);
 | |
|         { Execute the SAVE instruction to get a new register window and create a new
 | |
|           stack frame. In the "SAVE %i6,size,%i6" the first %i6 is related to the state
 | |
|           before execution of the SAVE instrucion so it is the caller %i6, when the %i6
 | |
|           after execution of that instruction is the called function stack pointer}
 | |
|         { constant can be 13 bit signed, since it's negative, size can be max. 4096 }
 | |
|         if LocalSize>4096 then
 | |
|           begin
 | |
|             a_load_const_reg(list,OS_ADDR,-LocalSize,NR_G1);
 | |
|             list.concat(Taicpu.Op_reg_reg_reg(A_SAVE,NR_STACK_POINTER_REG,NR_G1,NR_STACK_POINTER_REG));
 | |
|           end
 | |
|         else
 | |
|           list.concat(Taicpu.Op_reg_const_reg(A_SAVE,NR_STACK_POINTER_REG,-LocalSize,NR_STACK_POINTER_REG));
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.g_restore_all_registers(list:TaasmOutput;const funcretparaloc:TCGPara);
 | |
|       begin
 | |
|         { The sparc port uses the sparc standard calling convetions so this function has no used }
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.g_restore_standard_registers(list:taasmoutput);
 | |
|       begin
 | |
|         { The sparc port uses the sparc standard calling convetions so this function has no used }
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.g_proc_exit(list : taasmoutput;parasize:longint;nostackframe:boolean);
 | |
|       begin
 | |
|         if nostackframe then
 | |
|           begin
 | |
|             { Here we need to use RETL instead of RET so it uses %o7 }
 | |
|             list.concat(Taicpu.op_none(A_RETL));
 | |
|             list.concat(Taicpu.op_none(A_NOP))
 | |
|           end
 | |
|         else
 | |
|           begin
 | |
|             { We use trivial restore in the delay slot of the JMPL instruction, as we
 | |
|               already set result onto %i0 }
 | |
|             list.concat(Taicpu.op_none(A_RET));
 | |
|             list.concat(Taicpu.op_none(A_RESTORE));
 | |
|           end;
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.g_save_all_registers(list : taasmoutput);
 | |
|       begin
 | |
|         { The sparc port uses the sparc standard calling convetions so this function has no used }
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCgSparc.g_save_standard_registers(list : taasmoutput);
 | |
|       begin
 | |
|         { The sparc port uses the sparc standard calling convetions so this function has no used }
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     { ************* concatcopy ************ }
 | |
| 
 | |
|     procedure TCgSparc.g_concatcopy(list:taasmoutput;const source,dest:treference;len:aint;loadref:boolean);
 | |
|       var
 | |
|         tmpreg1,
 | |
|         hreg,
 | |
|         countreg: TRegister;
 | |
|         src, dst: TReference;
 | |
|         lab: tasmlabel;
 | |
|         count, count2: aint;
 | |
|         orgsrc, orgdst: boolean;
 | |
|       begin
 | |
|         if len>high(longint) then
 | |
|           internalerror(2002072704);
 | |
|         reference_reset(src);
 | |
|         reference_reset(dst);
 | |
|         { load the address of source into src.base }
 | |
|         if loadref then
 | |
|           begin
 | |
|             src.base:=GetAddressRegister(list);
 | |
|             a_load_ref_reg(list,OS_32,OS_32,source,src.base);
 | |
|             orgsrc := false;
 | |
|           end
 | |
|         else
 | |
|           begin
 | |
|             src.base:=GetAddressRegister(list);
 | |
|             a_loadaddr_ref_reg(list,source,src.base);
 | |
|             orgsrc := false;
 | |
|           end;
 | |
|           { load the address of dest into dst.base }
 | |
|         dst.base:=GetAddressRegister(list);
 | |
|         a_loadaddr_ref_reg(list,dest,dst.base);
 | |
|         orgdst := false;
 | |
|         { generate a loop }
 | |
|         count:=len div 4;
 | |
|         if count>4 then
 | |
|           begin
 | |
|             { the offsets are zero after the a_loadaddress_ref_reg and just }
 | |
|             { have to be set to 8. I put an Inc there so debugging may be   }
 | |
|             { easier (should offset be different from zero here, it will be }
 | |
|             { easy to notice in the generated assembler                     }
 | |
|             countreg:=GetIntRegister(list,OS_INT);
 | |
|             tmpreg1:=GetIntRegister(list,OS_INT);
 | |
|             a_load_const_reg(list,OS_INT,count,countreg);
 | |
|             { explicitely allocate R_O0 since it can be used safely here }
 | |
|             { (for holding date that's being copied)                    }
 | |
|             objectlibrary.getlabel(lab);
 | |
|             a_label(list, lab);
 | |
|             list.concat(taicpu.op_ref_reg(A_LD,src,tmpreg1));
 | |
|             list.concat(taicpu.op_reg_ref(A_ST,tmpreg1,dst));
 | |
|             list.concat(taicpu.op_reg_const_reg(A_ADD,src.base,4,src.base));
 | |
|             list.concat(taicpu.op_reg_const_reg(A_ADD,dst.base,4,dst.base));
 | |
|             list.concat(taicpu.op_reg_const_reg(A_SUBcc,countreg,1,countreg));
 | |
|             a_jmp_cond(list,OC_NE,lab);
 | |
|             list.concat(taicpu.op_none(A_NOP));
 | |
|             { keep the registers alive }
 | |
|             list.concat(taicpu.op_reg_reg(A_MOV,countreg,countreg));
 | |
|             list.concat(taicpu.op_reg_reg(A_MOV,src.base,src.base));
 | |
|             list.concat(taicpu.op_reg_reg(A_MOV,dst.base,dst.base));
 | |
|             len := len mod 4;
 | |
|           end;
 | |
|         { unrolled loop }
 | |
|         count:=len div 4;
 | |
|         if count>0 then
 | |
|           begin
 | |
|             tmpreg1:=GetIntRegister(list,OS_INT);
 | |
|             for count2 := 1 to count do
 | |
|               begin
 | |
|                 list.concat(taicpu.op_ref_reg(A_LD,src,tmpreg1));
 | |
|                 list.concat(taicpu.op_reg_ref(A_ST,tmpreg1,dst));
 | |
|                 inc(src.offset,4);
 | |
|                 inc(dst.offset,4);
 | |
|               end;
 | |
|             len := len mod 4;
 | |
|           end;
 | |
|         if (len and 4) <> 0 then
 | |
|           begin
 | |
|             hreg:=GetIntRegister(list,OS_INT);
 | |
|             a_load_ref_reg(list,OS_32,OS_32,src,hreg);
 | |
|             a_load_reg_ref(list,OS_32,OS_32,hreg,dst);
 | |
|             inc(src.offset,4);
 | |
|             inc(dst.offset,4);
 | |
|           end;
 | |
|         { copy the leftovers }
 | |
|         if (len and 2) <> 0 then
 | |
|           begin
 | |
|             hreg:=GetIntRegister(list,OS_INT);
 | |
|             a_load_ref_reg(list,OS_16,OS_16,src,hreg);
 | |
|             a_load_reg_ref(list,OS_16,OS_16,hreg,dst);
 | |
|             inc(src.offset,2);
 | |
|             inc(dst.offset,2);
 | |
|           end;
 | |
|         if (len and 1) <> 0 then
 | |
|           begin
 | |
|             hreg:=GetIntRegister(list,OS_INT);
 | |
|             a_load_ref_reg(list,OS_8,OS_8,src,hreg);
 | |
|             a_load_reg_ref(list,OS_8,OS_8,hreg,dst);
 | |
|           end;
 | |
|       end;
 | |
| 
 | |
| {****************************************************************************
 | |
|                                TCG64Sparc
 | |
| ****************************************************************************}
 | |
| 
 | |
| 
 | |
|     procedure tcg64sparc.a_load64_reg_ref(list : taasmoutput;reg : tregister64;const ref : treference);
 | |
|       var
 | |
|         tmpref: treference;
 | |
|       begin
 | |
|         { Override this function to prevent loading the reference twice }
 | |
|         tmpref:=ref;
 | |
|         tcgsparc(cg).make_simple_ref(list,tmpref);
 | |
|         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 : taasmoutput;const ref : treference;reg : tregister64);
 | |
|       var
 | |
|         tmpref: treference;
 | |
|       begin
 | |
|         { Override this function to prevent loading the reference twice }
 | |
|         tmpref:=ref;
 | |
|         tcgsparc(cg).make_simple_ref(list,tmpref);
 | |
|         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_param64_ref(list : taasmoutput;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_param64_reg(list,hreg64,paraloc);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCg64Sparc.get_64bit_ops(op:TOpCG;var op1,op2:TAsmOp);
 | |
|       begin
 | |
|         case op of
 | |
|           OP_ADD :
 | |
|             begin
 | |
|               op1:=A_ADDCC;
 | |
|               op2:=A_ADDX;
 | |
|             end;
 | |
|           OP_SUB :
 | |
|             begin
 | |
|               op1:=A_SUBCC;
 | |
|               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:TAasmOutput;op:TOpCG;regsrc,regdst:TRegister64);
 | |
|       var
 | |
|         op1,op2 : TAsmOp;
 | |
|       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));
 | |
|               exit;
 | |
|             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));
 | |
|               exit;
 | |
|             end;
 | |
|         end;
 | |
|         get_64bit_ops(op,op1,op2);
 | |
|         list.concat(taicpu.op_reg_reg_reg(op1,regdst.reglo,regsrc.reglo,regdst.reglo));
 | |
|         list.concat(taicpu.op_reg_reg_reg(op2,regdst.reghi,regsrc.reghi,regdst.reghi));
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure TCg64Sparc.a_op64_const_reg(list:TAasmOutput;op:TOpCG;value:int64;regdst:TRegister64);
 | |
|       var
 | |
|         op1,op2:TAsmOp;
 | |
|       begin
 | |
|         case op of
 | |
|           OP_NEG,
 | |
|           OP_NOT :
 | |
|             internalerror(200306017);
 | |
|         end;
 | |
|         get_64bit_ops(op,op1,op2);
 | |
|         tcgsparc(cg).handle_reg_const_reg(list,op1,regdst.reglo,aint(lo(value)),regdst.reglo);
 | |
|         tcgsparc(cg).handle_reg_const_reg(list,op1,regdst.reghi,aint(hi(value)),regdst.reghi);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tcg64sparc.a_op64_const_reg_reg(list: taasmoutput;op:TOpCG;value : int64; regsrc,regdst : tregister64);
 | |
|       var
 | |
|         op1,op2:TAsmOp;
 | |
|       begin
 | |
|         case op of
 | |
|           OP_NEG,
 | |
|           OP_NOT :
 | |
|             internalerror(200306017);
 | |
|         end;
 | |
|         get_64bit_ops(op,op1,op2);
 | |
|         tcgsparc(cg).handle_reg_const_reg(list,op1,regsrc.reglo,aint(lo(value)),regdst.reglo);
 | |
|         tcgsparc(cg).handle_reg_const_reg(list,op1,regsrc.reghi,aint(hi(value)),regdst.reghi);
 | |
|       end;
 | |
| 
 | |
| 
 | |
|     procedure tcg64sparc.a_op64_reg_reg_reg(list: taasmoutput;op:TOpCG;regsrc1,regsrc2,regdst : tregister64);
 | |
|       var
 | |
|         op1,op2:TAsmOp;
 | |
|       begin
 | |
|         case op of
 | |
|           OP_NEG,
 | |
|           OP_NOT :
 | |
|             internalerror(200306017);
 | |
|         end;
 | |
|         get_64bit_ops(op,op1,op2);
 | |
|         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;
 | |
| 
 | |
| 
 | |
| begin
 | |
|   cg:=TCgSparc.Create;
 | |
|   cg64:=TCg64Sparc.Create;
 | |
| end.
 | |
| {
 | |
|   $Log$
 | |
|   Revision 1.89  2004-09-25 14:23:55  peter
 | |
|     * ungetregister is now only used for cpuregisters, renamed to
 | |
|       ungetcpuregister
 | |
|     * renamed (get|unget)explicitregister(s) to ..cpuregister
 | |
|     * removed location-release/reference_release
 | |
| 
 | |
|   Revision 1.88  2004/09/21 20:33:00  peter
 | |
|     * don't remove MOV reg1,reg1 it is needed for the RA
 | |
| 
 | |
|   Revision 1.87  2004/09/21 17:25:13  peter
 | |
|     * paraloc branch merged
 | |
| 
 | |
|   Revision 1.86.4.5  2004/09/20 20:43:15  peter
 | |
|     * implement reg_ref/ref_reg for 64bit to prevent loading the
 | |
|       address symbol twice
 | |
| 
 | |
|   Revision 1.86.4.4  2004/09/17 17:19:26  peter
 | |
|     * fixed 64 bit unaryminus for sparc
 | |
|     * fixed 64 bit inlining
 | |
|     * signness of not operation
 | |
| 
 | |
|   Revision 1.86.4.3  2004/09/12 21:31:03  peter
 | |
|     * sign extension added
 | |
| 
 | |
|   Revision 1.86.4.2  2004/09/12 13:36:40  peter
 | |
|     * fixed alignment issues
 | |
| 
 | |
|   Revision 1.86.4.1  2004/08/31 20:43:06  peter
 | |
|     * paraloc patch
 | |
| 
 | |
|   Revision 1.86  2004/08/25 20:40:04  florian
 | |
|     * fixed absolute on sparc
 | |
| 
 | |
|   Revision 1.85  2004/08/24 21:02:32  florian
 | |
|     * fixed longbool(<int64>) on sparc
 | |
| 
 | |
|   Revision 1.84  2004/06/20 08:55:32  florian
 | |
|     * logs truncated
 | |
| 
 | |
|   Revision 1.83  2004/06/16 20:07:10  florian
 | |
|     * dwarf branch merged
 | |
| 
 | |
|   Revision 1.82.2.9  2004/06/02 19:05:16  peter
 | |
|     * use a_load_const_reg to load const
 | |
| 
 | |
|   Revision 1.82.2.8  2004/06/02 16:07:40  peter
 | |
|     * implement op64_reg_reg_reg
 | |
| 
 | |
|   Revision 1.82.2.7  2004/05/31 22:07:54  peter
 | |
|     * don't use float in concatcopy
 | |
| 
 | |
|   Revision 1.82.2.6  2004/05/30 17:54:14  florian
 | |
|     + implemented cmp64bit
 | |
|     * started to fix spilling
 | |
|     * fixed int64 sub partially
 | |
| 
 | |
| }
 |