{ $Id$ Copyright (c) 1998-2002 by Florian Klaempfl Generate SPARC assembler for type converting nodes This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. ****************************************************************************} unit ncpucnv; {$i fpcdefs.inc} interface uses node,ncnv,ncgcnv,defcmp; type TSparcTypeConvNode = class(TCgTypeConvNode) protected { procedure second_int_to_int;override; } { procedure second_string_to_string;override; } { procedure second_cstring_to_pchar;override; } { procedure second_string_to_chararray;override; } { procedure second_array_to_pointer;override; } function first_int_to_real: tnode; override; { procedure second_pointer_to_array;override; } { procedure second_chararray_to_string;override; } { procedure second_char_to_string;override; } procedure second_int_to_real;override; procedure second_real_to_real;override; { procedure second_cord_to_pointer;override; } { procedure second_proc_to_procvar;override; } { procedure second_bool_to_int;override; } procedure second_int_to_bool;override; { procedure second_load_smallset;override; } { procedure second_ansistring_to_pchar;override; } { procedure second_pchar_to_string;override; } { procedure second_class_to_intf;override; } { procedure second_char_to_char;override; } procedure pass_2;override; end; implementation uses verbose,globals,systems, symconst,symdef,aasmbase,aasmtai, defutil, cgbase,pass_1,pass_2, ncon,ncal, ncgutil, cpubase,aasmcpu, rgobj,tgobj,cgobj; {***************************************************************************** FirstTypeConv *****************************************************************************} function TSparctypeconvnode.first_int_to_real: tnode; var fname: string[19]; begin { converting a 64bit integer to a float requires a helper } if is_64bitint(left.resulttype.def) then begin if is_signed(left.resulttype.def) then fname := 'fpc_int64_to_double' else fname := 'fpc_qword_to_double'; result := ccallnode.createintern(fname,ccallparanode.create( left,nil)); left:=nil; firstpass(result); exit; end else { other integers are supposed to be 32 bit } begin if is_signed(left.resulttype.def) then inserttypeconv(left,s32bittype) else inserttypeconv(left,u32bittype); firstpass(left); end; result := nil; if registersfpu<1 then registersfpu:=1; location.loc:=LOC_FPUREGISTER; end; {***************************************************************************** SecondTypeConv *****************************************************************************} procedure TSparctypeconvnode.second_int_to_real; begin location_reset(location,LOC_FPUREGISTER,def_cgsize(resulttype.def)); location_force_mem(exprasmlist,left.location); location.register:=cg.getfpuregister(exprasmlist,location.size); { Load memory in fpu register } cg.a_loadfpu_ref_reg(exprasmlist,location.size,left.location.reference,location.register); {$warning TODO Handle also double} { Convert value in fpu register from integer to float } exprasmlist.concat(taicpu.op_reg_reg(A_FiTOs,location.register,location.register)); end; procedure TSparctypeconvnode.second_real_to_real; begin inherited second_real_to_real; end; procedure TSparctypeconvnode.second_int_to_bool; var hreg1,hreg2:tregister; resflags : tresflags; opsize : tcgsize; begin { byte(boolean) or word(wordbool) or longint(longbool) must } { be accepted for var parameters } if(nf_explicit in flags)and (left.resulttype.def.size=resulttype.def.size)and (left.location.loc in [LOC_REFERENCE,LOC_CREFERENCE,LOC_CREGISTER]) then begin location_copy(location,left.location); exit; end; location_reset(location,LOC_REGISTER,def_cgsize(left.resulttype.def)); opsize := def_cgsize(left.resulttype.def); case left.location.loc of LOC_CREFERENCE,LOC_REFERENCE,LOC_REGISTER,LOC_CREGISTER: begin if left.location.loc in [LOC_CREFERENCE,LOC_REFERENCE] then begin reference_release(exprasmlist,left.location.reference); hreg2:=cg.GetIntRegister(exprasmlist,opsize); cg.a_load_ref_reg(exprasmlist,OpSize,OpSize,left.location.reference,hreg2); end else hreg2 := left.location.register; hreg1 := cg.GetIntRegister(exprasmlist,opsize); exprasmlist.concat(taicpu.op_reg_const_reg(A_SUB,hreg1,1,hreg2)); exprasmlist.concat(taicpu.op_reg_reg_reg(A_SUB,hreg1,hreg1,hreg2)); cg.UnGetRegister(exprasmlist,hreg2); end; LOC_FLAGS : begin hreg1:=cg.GetIntRegister(exprasmlist,location.size); resflags:=left.location.resflags; cg.g_flags2reg(exprasmlist,location.size,resflags,hreg1); end; else internalerror(10062); end; location.register := hreg1; end; procedure TSparctypeconvnode.pass_2; {$ifdef TESTOBJEXT2} var r : preference; nillabel : plabel; {$endif TESTOBJEXT2} begin { this isn't good coding, I think tc_bool_2_int, shouldn't be } { type conversion (FK) } if not(convtype in [tc_bool_2_int,tc_bool_2_bool]) then begin secondpass(left); location_copy(location,left.location); if codegenerror then exit; end; second_call_helper(convtype); end; begin ctypeconvnode:=TSparctypeconvnode; end. { $Log$ Revision 1.21 2003-11-04 22:30:15 florian + type cast variant<->enum * cnv. node second pass uses now as well helper wrappers Revision 1.20 2003/10/24 11:31:43 mazen *fixes related to removal of rg Revision 1.19 2003/10/01 20:34:50 peter * procinfo unit contains tprocinfo * cginfo renamed to cgbase * moved cgmessage to verbose * fixed ppc and sparc compiles Revision 1.18 2003/09/14 21:36:01 peter * remove ppc code Revision 1.17 2003/06/04 20:59:37 mazen + added size of destination in code gen methods + making g_overflowcheck declaration same as ancestor's method declaration Revision 1.16 2003/06/01 21:38:06 peter * getregisterfpu size parameter added * op_const_reg size parameter added * sparc updates Revision 1.15 2003/04/23 21:10:54 peter * fix compile for ppc,sparc,m68k Revision 1.14 2003/04/23 13:35:39 peter * fix sparc compile Revision 1.13 2003/03/10 21:59:54 mazen * fixing index overflow in handling new registers arrays. Revision 1.12 2003/02/19 22:00:17 daniel * Code generator converted to new register notation - Horribily outdated todo.txt removed Revision 1.11 2003/01/22 20:45:15 mazen * making math code in RTL compiling. *NB : This does NOT mean necessary that it will generate correct code! Revision 1.10 2003/01/20 22:21:36 mazen * many stuff related to RTL fixed Revision 1.9 2002/12/05 14:28:03 florian * some variant <-> dyn. array stuff Revision 1.8 2002/11/25 17:43:28 peter * splitted defbase in defutil,symutil,defcmp * merged isconvertable and is_equal into compare_defs(_ext) * made operator search faster by walking the list only once Revision 1.7 2002/11/10 19:07:46 mazen * SPARC calling mechanism almost OK (as in GCC./mppcsparc ) Revision 1.6 2002/11/06 11:31:24 mazen * op_reg_reg_reg don't need any more a TOpSize parameter Revision 1.5 2002/10/22 13:43:01 mazen - cga.pas redueced to an empty unit Revision 1.4 2002/10/10 19:57:52 mazen * Just to update repsitory Revision 1.3 2002/09/07 15:25:14 peter * old logs removed and tabs fixed Revision 1.2 2002/08/30 06:15:27 mazen ncgcall.pas moved to ncpucall.pas (I'd like ncpu* insteade of nsparc* since it provides processor independent units naming) Revision 1.1 2002/08/29 10:16:20 mazen File added support to the new generic parameter handling Revision 1.24 2002/08/23 16:14:50 peter * tempgen cleanup * tt_noreuse temp type added that will be used in genentrycode Revision 1.23 2002/08/18 10:34:30 florian * more ppc assembling fixes Revision 1.22 2002/08/14 19:30:42 carl + added fixing because first_in_to_real is now completely generic Revision 1.21 2002/08/11 06:14:41 florian * fixed powerpc compilation problems Revision 1.20 2002/08/10 17:15:31 jonas * various fixes and optimizations Revision 1.19 2002/07/29 21:23:44 florian * more fixes for the ppc + wrappers for the tcnvnode.first_* stuff introduced Revision 1.18 2002/07/29 09:20:20 jonas + second_int_to_int implementation which is almost the same as the generic implementation, but it avoids some unnecessary type conversions Revision 1.17 2002/07/27 19:55:15 jonas + generic implementation of tcg.g_flags2ref() * tcg.flags2xxx() now also needs a size parameter Revision 1.16 2002/07/24 14:38:00 florian * small typo fixed, compiles with 1.0.x again Revision 1.15 2002/07/21 16:57:22 jonas * hopefully final fix for second_int_to_real() Revision 1.14 2002/07/20 11:58:05 florian * types.pas renamed to defbase.pas because D6 contains a types unit so this would conflicts if D6 programms are compiled + Willamette/SSE2 instructions to assembler added Revision 1.13 2002/07/13 06:49:39 jonas * fixed fpu constants in second_int_to_real (fpu values are also stored in big endian) Revision 1.12 2002/07/12 22:02:22 florian * fixed to compile with 1.1 Revision 1.11 2002/07/11 14:41:34 florian * start of the new generic parameter handling Revision 1.10 2002/07/11 07:42:31 jonas * fixed nppccnv and enabled it - removed PPC specific second_int_to_int and use the generic one instead Revision 1.9 2002/05/20 13:30:42 carl * bugfix of hdisponen (base must be set, not index) * more portability fixes Revision 1.8 2002/05/18 13:34:26 peter * readded missing revisions Revision 1.7 2002/05/16 19:46:53 carl + defines.inc -> fpcdefs.inc to avoid conflicts if compiling by hand + try to fix temp allocation (still in ifdef) + generic constructor calls + start of tassembler / tmodulebase class cleanup }