{ $Id$ Copyright (c) 1998-2002 by Florian Klaempfl Generate for x86-64 and i386 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 nx86cnv; {$i fpcdefs.inc} interface uses node,ncgcnv,defutil,defcmp; type tx86typeconvnode = class(tcgtypeconvnode) protected { procedure second_int_to_int;override; } { procedure second_string_to_string;override; } { procedure second_cstring_to_pchar;override; } { procedure second_string_to_chararray;override; } { procedure second_array_to_pointer;override; } { procedure second_pointer_to_array;override; } { procedure second_chararray_to_string;override; } { procedure second_char_to_string;override; } { function first_int_to_real: tnode; override; } { procedure second_int_to_real;override; } { procedure second_real_to_real;override; } { procedure second_cord_to_pointer;override; } { procedure second_proc_to_procvar;override; } { procedure second_bool_to_int;override; } procedure second_int_to_bool;override; { procedure second_load_smallset;override; } { procedure second_ansistring_to_pchar;override; } { procedure second_pchar_to_string;override; } { procedure second_class_to_intf;override; } { procedure second_char_to_char;override; } end; implementation uses verbose,systems,globals, aasmbase,aasmtai, cgbase,pass_2, ncon,ncal,ncnv, cpubase, cgobj,ncgutil; procedure tx86typeconvnode.second_int_to_bool; var hregister : tregister; href : treference; resflags : tresflags; hlabel,oldtruelabel,oldfalselabel : tasmlabel; begin oldtruelabel:=truelabel; oldfalselabel:=falselabel; objectlibrary.getlabel(truelabel); objectlibrary.getlabel(falselabel); secondpass(left); if codegenerror then exit; { byte(boolean) or word(wordbool) or longint(longbool) must } { be accepted for var parameters } if (nf_explicit in flags) and (left.resulttype.def.size=resulttype.def.size) and (left.location.loc in [LOC_REFERENCE,LOC_CREFERENCE,LOC_CREGISTER]) then begin location_copy(location,left.location); truelabel:=oldtruelabel; falselabel:=oldfalselabel; exit; end; { Load left node into flag F_NE/F_E } resflags:=F_NE; case left.location.loc of LOC_CREFERENCE, LOC_REFERENCE : begin {$ifndef cpu64bit} if left.location.size in [OS_64,OS_S64] then begin location_release(exprasmlist,left.location); hregister:=cg.getintregister(exprasmlist,OS_INT); cg.a_load_ref_reg(exprasmlist,OS_32,OS_32,left.location.reference,hregister); href:=left.location.reference; inc(href.offset,4); cg.ungetregister(exprasmlist,hregister); cg.a_op_ref_reg(exprasmlist,OP_OR,OS_32,href,hregister); end else {$endif cpu64bit} begin location_force_reg(exprasmlist,left.location,left.location.size,true); location_release(exprasmlist,left.location); cg.a_op_reg_reg(exprasmlist,OP_OR,left.location.size,left.location.register,left.location.register); end; end; LOC_FLAGS : begin resflags:=left.location.resflags; end; LOC_REGISTER,LOC_CREGISTER : begin {$ifndef cpu64bit} if left.location.size in [OS_64,OS_S64] then begin hregister:=cg.getintregister(exprasmlist,OS_32); cg.a_load_reg_reg(exprasmlist,OS_32,OS_32,left.location.registerlow,hregister); cg.ungetregister(exprasmlist,hregister); location_release(exprasmlist,left.location); cg.a_op_reg_reg(exprasmlist,OP_OR,OS_32,left.location.registerhigh,hregister); end else {$endif cpu64bit} begin location_release(exprasmlist,left.location); cg.a_op_reg_reg(exprasmlist,OP_OR,left.location.size,left.location.register,left.location.register); end; end; LOC_JUMP : begin hregister:=cg.getintregister(exprasmlist,OS_INT); objectlibrary.getlabel(hlabel); cg.a_label(exprasmlist,truelabel); cg.a_load_const_reg(exprasmlist,OS_INT,1,hregister); cg.a_jmp_always(exprasmlist,hlabel); cg.a_label(exprasmlist,falselabel); cg.a_load_const_reg(exprasmlist,OS_INT,0,hregister); cg.a_label(exprasmlist,hlabel); cg.ungetregister(exprasmlist,hregister); cg.a_op_reg_reg(exprasmlist,OP_OR,OS_INT,hregister,hregister); end; else internalerror(10062); end; { load flags to register } location_reset(location,LOC_REGISTER,def_cgsize(resulttype.def)); location.register:=cg.getintregister(exprasmlist,location.size); cg.g_flags2reg(exprasmlist,location.size,resflags,location.register); truelabel:=oldtruelabel; falselabel:=oldfalselabel; end; end. { $Log$ Revision 1.7 2003-10-10 17:48:14 peter * old trgobj moved to x86/rgcpu and renamed to trgx86fpu * tregisteralloctor renamed to trgobj * removed rgobj from a lot of units * moved location_* and reference_* to cgobj * first things for mmx register allocation Revision 1.6 2003/10/09 21:31:38 daniel * Register allocator splitted, ans abstract now Revision 1.5 2003/10/01 20:34:51 peter * procinfo unit contains tprocinfo * cginfo renamed to cgbase * moved cgmessage to verbose * fixed ppc and sparc compiles Revision 1.4 2003/09/28 21:48:57 peter * fix register leak Revision 1.3 2003/09/03 15:55:02 peter * NEWRA branch merged Revision 1.2.2.1 2003/08/31 15:46:26 peter * more updates for tregister Revision 1.2 2003/05/22 21:33:31 peter * removed some unit dependencies Revision 1.1 2003/05/01 08:02:42 florian * i386 and x86-64 share second_int_to_bool, moved to nx86cnv.pas }