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https://gitlab.com/freepascal.org/fpc/source.git
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837 lines
32 KiB
ObjectPascal
837 lines
32 KiB
ObjectPascal
{
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Copyright (c) 1998-2002 by Florian Klaempfl and Carl Eric Codere
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Generate generic inline nodes
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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unit ncginl;
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{$i fpcdefs.inc}
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interface
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uses
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node,ninl;
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type
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tcginlinenode = class(tinlinenode)
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procedure pass_generate_code;override;
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procedure second_assert;virtual;
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procedure second_sizeoftypeof;virtual;
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procedure second_length;virtual;
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procedure second_predsucc;virtual;
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procedure second_incdec;virtual;
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procedure second_typeinfo;virtual;
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procedure second_includeexclude;virtual;
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procedure second_pi; virtual;
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procedure second_arctan_real; virtual;
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procedure second_abs_real; virtual;
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procedure second_sqr_real; virtual;
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procedure second_sqrt_real; virtual;
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procedure second_ln_real; virtual;
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procedure second_cos_real; virtual;
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procedure second_sin_real; virtual;
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procedure second_assigned; virtual;
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procedure second_get_frame;virtual;
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procedure second_get_caller_frame;virtual;
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procedure second_get_caller_addr;virtual;
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procedure second_prefetch; virtual;
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procedure second_round_real; virtual;
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procedure second_trunc_real; virtual;
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procedure second_abs_long; virtual;
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procedure second_rox; virtual;
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procedure second_sar; virtual;
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procedure second_bsfbsr; virtual;
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end;
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implementation
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uses
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globtype,systems,constexp,
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cutils,verbose,globals,fmodule,
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symconst,symdef,defutil,symsym,
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aasmbase,aasmtai,aasmdata,aasmcpu,parabase,
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cgbase,pass_1,pass_2,
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cpuinfo,cpubase,paramgr,procinfo,
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nbas,ncon,ncal,ncnv,nld,ncgrtti,
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tgobj,ncgutil,
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cgutils,cgobj
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{$ifndef cpu64bitalu}
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,cg64f32
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{$endif not cpu64bitalu}
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;
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{*****************************************************************************
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TCGINLINENODE
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*****************************************************************************}
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procedure tcginlinenode.pass_generate_code;
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begin
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location_reset(location,LOC_VOID,OS_NO);
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case inlinenumber of
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in_assert_x_y:
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second_Assert;
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in_sizeof_x,
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in_typeof_x :
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second_SizeofTypeOf;
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in_length_x :
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second_Length;
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in_pred_x,
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in_succ_x:
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second_PredSucc;
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in_dec_x,
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in_inc_x :
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second_IncDec;
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in_typeinfo_x:
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second_TypeInfo;
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in_include_x_y,
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in_exclude_x_y:
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second_IncludeExclude;
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in_pi_real:
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second_pi;
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in_sin_real:
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second_sin_real;
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in_arctan_real:
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second_arctan_real;
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in_abs_real:
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second_abs_real;
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in_abs_long:
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second_abs_long;
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in_round_real:
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second_round_real;
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in_trunc_real:
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second_trunc_real;
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in_sqr_real:
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second_sqr_real;
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in_sqrt_real:
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second_sqrt_real;
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in_ln_real:
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second_ln_real;
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in_cos_real:
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second_cos_real;
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in_prefetch_var:
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second_prefetch;
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in_assigned_x:
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second_assigned;
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in_get_frame:
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second_get_frame;
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in_get_caller_frame:
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second_get_caller_frame;
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in_get_caller_addr:
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second_get_caller_addr;
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in_unaligned_x:
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begin
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secondpass(tcallparanode(left).left);
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location:=tcallparanode(left).left.location;
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if location.loc in [LOC_CREFERENCE,LOC_REFERENCE] then
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location.reference.alignment:=1;
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end;
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{$ifdef SUPPORT_MMX}
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in_mmx_pcmpeqb..in_mmx_pcmpgtw:
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begin
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location_reset(location,LOC_MMXREGISTER,OS_NO);
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if left.location.loc=LOC_REGISTER then
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begin
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{!!!!!!!}
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end
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else if tcallparanode(left).left.location.loc=LOC_REGISTER then
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begin
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{!!!!!!!}
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end
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else
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begin
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{!!!!!!!}
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end;
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end;
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{$endif SUPPORT_MMX}
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in_rol_x,
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in_rol_x_y,
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in_ror_x,
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in_ror_x_y:
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second_rox;
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in_sar_x,
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in_sar_x_y:
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second_sar;
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in_bsf_x,
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in_bsr_x:
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second_BsfBsr;
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else internalerror(9);
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end;
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end;
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{*****************************************************************************
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ASSERT GENERIC HANDLING
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*****************************************************************************}
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procedure tcginlinenode.second_Assert;
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var
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hp2,hp3 : tnode;
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otlabel,oflabel : tasmlabel;
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paraloc1,paraloc2,
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paraloc3,paraloc4 : tcgpara;
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begin
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{ the node should be removed in the firstpass }
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if not (cs_do_assertion in current_settings.localswitches) then
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internalerror(7123458);
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paraloc1.init;
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paraloc2.init;
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paraloc3.init;
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paraloc4.init;
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paramanager.getintparaloc(pocall_default,1,paraloc1);
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paramanager.getintparaloc(pocall_default,2,paraloc2);
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paramanager.getintparaloc(pocall_default,3,paraloc3);
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paramanager.getintparaloc(pocall_default,4,paraloc4);
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otlabel:=current_procinfo.CurrTrueLabel;
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oflabel:=current_procinfo.CurrFalseLabel;
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current_asmdata.getjumplabel(current_procinfo.CurrTrueLabel);
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current_asmdata.getjumplabel(current_procinfo.CurrFalseLabel);
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secondpass(tcallparanode(left).left);
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maketojumpbool(current_asmdata.CurrAsmList,tcallparanode(left).left,lr_load_regvars);
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cg.a_label(current_asmdata.CurrAsmList,current_procinfo.CurrFalseLabel);
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{ First call secondpass() before we can push the parameters, otherwise
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parameters allocated in the registers can be destroyed }
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{ generate filename string parameter }
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hp2:=ctypeconvnode.create(cstringconstnode.createstr(current_module.sourcefiles.get_file_name(current_filepos.fileindex)),cshortstringtype);
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firstpass(hp2);
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secondpass(hp2);
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if codegenerror then
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exit;
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{ message parameter }
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hp3:=tcallparanode(tcallparanode(left).right).left;
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secondpass(hp3);
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if codegenerror then
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exit;
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{ push erroraddr }
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cg.a_load_reg_cgpara(current_asmdata.CurrAsmList,OS_ADDR,NR_FRAME_POINTER_REG,paraloc4);
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{ push lineno }
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cg.a_load_const_cgpara(current_asmdata.CurrAsmList,OS_INT,current_filepos.line,paraloc3);
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{ push filename }
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cg.a_loadaddr_ref_cgpara(current_asmdata.CurrAsmList,hp2.location.reference,paraloc2);
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{ push msg }
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cg.a_loadaddr_ref_cgpara(current_asmdata.CurrAsmList,hp3.location.reference,paraloc1);
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{ call }
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paramanager.freecgpara(current_asmdata.CurrAsmList,paraloc1);
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paramanager.freecgpara(current_asmdata.CurrAsmList,paraloc2);
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paramanager.freecgpara(current_asmdata.CurrAsmList,paraloc3);
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paramanager.freecgpara(current_asmdata.CurrAsmList,paraloc4);
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cg.allocallcpuregisters(current_asmdata.CurrAsmList);
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cg.a_call_name(current_asmdata.CurrAsmList,'FPC_ASSERT',false);
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cg.deallocallcpuregisters(current_asmdata.CurrAsmList);
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location_freetemp(current_asmdata.CurrAsmList,hp3.location);
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location_freetemp(current_asmdata.CurrAsmList,hp2.location);
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cg.a_label(current_asmdata.CurrAsmList,current_procinfo.CurrTrueLabel);
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current_procinfo.CurrTrueLabel:=otlabel;
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current_procinfo.CurrFalseLabel:=oflabel;
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paraloc1.done;
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paraloc2.done;
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paraloc3.done;
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paraloc4.done;
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hp2.free;
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end;
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{*****************************************************************************
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SIZEOF / TYPEOF GENERIC HANDLING
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*****************************************************************************}
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{ second_handle_ the sizeof and typeof routines }
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procedure tcginlinenode.second_SizeOfTypeOf;
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var
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href,
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hrefvmt : treference;
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hregister : tregister;
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begin
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if inlinenumber=in_sizeof_x then
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location_reset(location,LOC_REGISTER,def_cgsize(resultdef))
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else
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location_reset(location,LOC_REGISTER,OS_ADDR);
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{ for both cases load vmt }
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if left.nodetype=typen then
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begin
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hregister:=cg.getaddressregister(current_asmdata.CurrAsmList);
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reference_reset_symbol(href,current_asmdata.RefAsmSymbol(tobjectdef(left.resultdef).vmt_mangledname),0,sizeof(pint));
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cg.a_loadaddr_ref_reg(current_asmdata.CurrAsmList,href,hregister);
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end
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else
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begin
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secondpass(left);
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hregister:=cg.getaddressregister(current_asmdata.CurrAsmList);
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{ handle self inside a method of a class }
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case left.location.loc of
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LOC_CREGISTER,
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LOC_REGISTER :
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begin
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if (left.resultdef.typ=classrefdef) or
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(po_staticmethod in current_procinfo.procdef.procoptions) then
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cg.a_load_reg_reg(current_asmdata.CurrAsmList,OS_ADDR,OS_ADDR,left.location.register,hregister)
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else
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begin
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{ load VMT pointer }
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reference_reset_base(hrefvmt,left.location.register,tobjectdef(left.resultdef).vmt_offset,sizeof(pint));
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cg.a_load_ref_reg(current_asmdata.CurrAsmList,OS_ADDR,OS_ADDR,hrefvmt,hregister);
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end
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end;
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LOC_REFERENCE,
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LOC_CREFERENCE :
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begin
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if is_class(left.resultdef) then
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begin
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{ deref class }
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cg.a_load_ref_reg(current_asmdata.CurrAsmList,OS_ADDR,OS_ADDR,left.location.reference,hregister);
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cg.g_maybe_testself(current_asmdata.CurrAsmList,hregister);
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{ load VMT pointer }
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reference_reset_base(hrefvmt,hregister,tobjectdef(left.resultdef).vmt_offset,sizeof(pint));
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cg.a_load_ref_reg(current_asmdata.CurrAsmList,OS_ADDR,OS_ADDR,hrefvmt,hregister);
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end
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else
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begin
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{ load VMT pointer, but not for classrefdefs }
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if (left.resultdef.typ=objectdef) then
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begin
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inc(left.location.reference.offset,tobjectdef(left.resultdef).vmt_offset);
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left.location.reference.alignment:=newalignment(left.location.reference.alignment,tobjectdef(left.resultdef).vmt_offset);
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end;
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cg.a_load_ref_reg(current_asmdata.CurrAsmList,OS_ADDR,OS_ADDR,left.location.reference,hregister);
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end;
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end;
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else
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internalerror(200301301);
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end;
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end;
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{ in sizeof load size }
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if inlinenumber=in_sizeof_x then
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begin
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reference_reset_base(href,hregister,0,sizeof(pint));
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hregister:=cg.getintregister(current_asmdata.CurrAsmList,OS_INT);
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cg.a_load_ref_reg(current_asmdata.CurrAsmList,OS_INT,OS_INT,href,hregister);
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end;
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location.register:=hregister;
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end;
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{*****************************************************************************
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LENGTH GENERIC HANDLING
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*****************************************************************************}
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procedure tcginlinenode.second_Length;
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var
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lengthlab : tasmlabel;
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hregister : tregister;
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href : treference;
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begin
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secondpass(left);
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if is_shortstring(left.resultdef) then
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begin
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location_copy(location,left.location);
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location.size:=OS_8;
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end
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else
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begin
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{ length in ansi/wide strings is at offset -sizeof(pint) }
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location_force_reg(current_asmdata.CurrAsmList,left.location,OS_ADDR,false);
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current_asmdata.getjumplabel(lengthlab);
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cg.a_cmp_const_reg_label(current_asmdata.CurrAsmList,OS_ADDR,OC_EQ,0,left.location.register,lengthlab);
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if is_widestring(left.resultdef) and (tf_winlikewidestring in target_info.flags) then
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begin
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reference_reset_base(href,left.location.register,-sizeof(dword),sizeof(dword));
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hregister:=cg.makeregsize(current_asmdata.CurrAsmList,left.location.register,OS_INT);
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cg.a_load_ref_reg(current_asmdata.CurrAsmList,OS_32,OS_INT,href,hregister);
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end
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else
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begin
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reference_reset_base(href,left.location.register,-sizeof(pint),sizeof(pint));
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hregister:=cg.makeregsize(current_asmdata.CurrAsmList,left.location.register,OS_INT);
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cg.a_load_ref_reg(current_asmdata.CurrAsmList,OS_INT,OS_INT,href,hregister);
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end;
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if is_widestring(left.resultdef) or is_unicodestring(left.resultdef) then
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cg.a_op_const_reg(current_asmdata.CurrAsmList,OP_SHR,OS_INT,1,hregister);
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cg.a_label(current_asmdata.CurrAsmList,lengthlab);
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location_reset(location,LOC_REGISTER,def_cgsize(resultdef));
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location.register:=hregister;
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end;
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end;
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{*****************************************************************************
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PRED/SUCC GENERIC HANDLING
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*****************************************************************************}
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procedure tcginlinenode.second_PredSucc;
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var
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cgsize : TCGSize;
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cgop : topcg;
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begin
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secondpass(left);
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if inlinenumber=in_pred_x then
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cgop:=OP_SUB
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else
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cgop:=OP_ADD;
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cgsize:=def_cgsize(resultdef);
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{ we need a value in a register }
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location_copy(location,left.location);
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location_force_reg(current_asmdata.CurrAsmList,location,cgsize,false);
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{$ifndef cpu64bitalu}
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if cgsize in [OS_64,OS_S64] then
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cg64.a_op64_const_reg(current_asmdata.CurrAsmList,cgop,cgsize,1,location.register64)
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else
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{$endif not cpu64bitalu}
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cg.a_op_const_reg(current_asmdata.CurrAsmList,cgop,location.size,1,location.register);
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end;
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{*****************************************************************************
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INC/DEC GENERIC HANDLING
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*****************************************************************************}
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procedure tcginlinenode.second_IncDec;
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const
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addsubop:array[in_inc_x..in_dec_x] of TOpCG=(OP_ADD,OP_SUB);
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var
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addvalue : TConstExprInt;
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addconstant : boolean;
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{$ifndef cpu64bitalu}
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hregisterhi,
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{$endif not cpu64bitalu}
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hregister : tregister;
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cgsize : tcgsize;
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begin
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{ set defaults }
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addconstant:=true;
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{ first secondpass second argument, because if the first arg }
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{ is used in that expression then SSL may move it to another }
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{ register }
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if assigned(tcallparanode(left).right) then
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secondpass(tcallparanode(tcallparanode(left).right).left);
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{ load first parameter, must be a reference }
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secondpass(tcallparanode(left).left);
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cgsize:=def_cgsize(tcallparanode(left).left.resultdef);
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{ get addvalue }
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case tcallparanode(left).left.resultdef.typ of
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orddef,
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enumdef :
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addvalue:=1;
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pointerdef :
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begin
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if is_void(tpointerdef(tcallparanode(left).left.resultdef).pointeddef) then
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addvalue:=1
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else
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addvalue:=tpointerdef(tcallparanode(left).left.resultdef).pointeddef.size;
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end;
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else
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internalerror(10081);
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end;
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{ second_ argument specified?, must be a s32bit in register }
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if assigned(tcallparanode(left).right) then
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begin
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{ when constant, just multiply the addvalue }
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if is_constintnode(tcallparanode(tcallparanode(left).right).left) then
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addvalue:=addvalue*get_ordinal_value(tcallparanode(tcallparanode(left).right).left)
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else if is_constpointernode(tcallparanode(tcallparanode(left).right).left) then
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addvalue:=addvalue*tpointerconstnode(tcallparanode(tcallparanode(left).right).left).value
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else
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begin
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location_force_reg(current_asmdata.CurrAsmList,tcallparanode(tcallparanode(left).right).left.location,cgsize,addvalue<=1);
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hregister:=tcallparanode(tcallparanode(left).right).left.location.register;
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{$ifndef cpu64bitalu}
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hregisterhi:=tcallparanode(tcallparanode(left).right).left.location.register64.reghi;
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{$endif not cpu64bitalu}
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{ insert multiply with addvalue if its >1 }
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if addvalue>1 then
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cg.a_op_const_reg(current_asmdata.CurrAsmList,OP_IMUL,cgsize,addvalue.svalue,hregister);
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addconstant:=false;
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end;
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end;
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{ write the add instruction }
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if addconstant then
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begin
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{$ifndef cpu64bitalu}
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if cgsize in [OS_64,OS_S64] then
|
|
cg64.a_op64_const_loc(current_asmdata.CurrAsmList,addsubop[inlinenumber],cgsize,addvalue,tcallparanode(left).left.location)
|
|
else
|
|
{$endif not cpu64bitalu}
|
|
cg.a_op_const_loc(current_asmdata.CurrAsmList,addsubop[inlinenumber],
|
|
aint(addvalue.svalue),tcallparanode(left).left.location);
|
|
end
|
|
else
|
|
begin
|
|
{$ifndef cpu64bitalu}
|
|
if cgsize in [OS_64,OS_S64] then
|
|
cg64.a_op64_reg_loc(current_asmdata.CurrAsmList,addsubop[inlinenumber],cgsize,
|
|
joinreg64(hregister,hregisterhi),tcallparanode(left).left.location)
|
|
else
|
|
{$endif not cpu64bitalu}
|
|
cg.a_op_reg_loc(current_asmdata.CurrAsmList,addsubop[inlinenumber],
|
|
hregister,tcallparanode(left).left.location);
|
|
end;
|
|
{ no overflow checking for pointers (see ninl), and range checking }
|
|
{ is not applicable for them }
|
|
if (tcallparanode(left).left.resultdef.typ <> pointerdef) then
|
|
begin
|
|
{ things which can overflow must NOT pass via here, but have to be }
|
|
{ handled via a regular add node (conversion in tinlinenode.pass_1) }
|
|
{ Or someone has to rewrite the above to use a_op_const_reg_reg_ov }
|
|
{ and friends in case of overflow checking, and ask everyone to }
|
|
{ implement these methods since they don't exist for all cpus (JM) }
|
|
{ Similarly, range checking also has to be handled separately, }
|
|
{ see mantis #14841 (JM) }
|
|
if ([cs_check_overflow,cs_check_range] * current_settings.localswitches <> []) then
|
|
internalerror(2006111010);
|
|
// cg.g_overflowcheck(current_asmdata.CurrAsmList,tcallparanode(left).left.location,tcallparanode(left).resultdef);
|
|
// cg.g_rangecheck(current_asmdata.CurrAsmList,tcallparanode(left).left.location,tcallparanode(left).left.resultdef,
|
|
// tcallparanode(left).left.resultdef);
|
|
end;
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
TYPEINFO GENERIC HANDLING
|
|
*****************************************************************************}
|
|
procedure tcginlinenode.second_typeinfo;
|
|
var
|
|
href : treference;
|
|
begin
|
|
location_reset(location,LOC_REGISTER,OS_ADDR);
|
|
location.register:=cg.getaddressregister(current_asmdata.CurrAsmList);
|
|
reference_reset_symbol(href,RTTIWriter.get_rtti_label(left.resultdef,fullrtti),0,sizeof(pint));
|
|
cg.a_loadaddr_ref_reg(current_asmdata.CurrAsmList,href,location.register);
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
INCLUDE/EXCLUDE GENERIC HANDLING
|
|
*****************************************************************************}
|
|
|
|
procedure tcginlinenode.second_IncludeExclude;
|
|
var
|
|
setpara, elepara: tnode;
|
|
begin
|
|
{ the set }
|
|
secondpass(tcallparanode(left).left);
|
|
{ the element to set }
|
|
secondpass(tcallparanode(tcallparanode(left).right).left);
|
|
|
|
setpara:=tcallparanode(left).left;
|
|
elepara:=tcallparanode(tcallparanode(left).right).left;
|
|
|
|
if elepara.location.loc=LOC_CONSTANT then
|
|
begin
|
|
cg.a_bit_set_const_loc(current_asmdata.CurrAsmList,(inlinenumber=in_include_x_y),
|
|
elepara.location.value-tsetdef(setpara.resultdef).setbase,setpara.location);
|
|
end
|
|
else
|
|
begin
|
|
location_force_reg(current_asmdata.CurrAsmList,elepara.location,OS_INT,true);
|
|
register_maybe_adjust_setbase(current_asmdata.CurrAsmList,elepara.location,tsetdef(setpara.resultdef).setbase);
|
|
cg.a_bit_set_reg_loc(current_asmdata.CurrAsmList,(inlinenumber=in_include_x_y),
|
|
elepara.location.size,elepara.location.register,setpara.location);
|
|
end;
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
FLOAT GENERIC HANDLING
|
|
*****************************************************************************}
|
|
|
|
{
|
|
These routines all call internal RTL routines, so if they are
|
|
called here, they give an internal error
|
|
}
|
|
procedure tcginlinenode.second_pi;
|
|
begin
|
|
internalerror(20020718);
|
|
end;
|
|
|
|
procedure tcginlinenode.second_arctan_real;
|
|
begin
|
|
internalerror(20020718);
|
|
end;
|
|
|
|
procedure tcginlinenode.second_abs_real;
|
|
begin
|
|
internalerror(20020718);
|
|
end;
|
|
|
|
procedure tcginlinenode.second_round_real;
|
|
begin
|
|
internalerror(20020718);
|
|
end;
|
|
|
|
procedure tcginlinenode.second_trunc_real;
|
|
begin
|
|
internalerror(20020718);
|
|
end;
|
|
|
|
procedure tcginlinenode.second_sqr_real;
|
|
begin
|
|
internalerror(20020718);
|
|
end;
|
|
|
|
procedure tcginlinenode.second_sqrt_real;
|
|
begin
|
|
internalerror(20020718);
|
|
end;
|
|
|
|
procedure tcginlinenode.second_ln_real;
|
|
begin
|
|
internalerror(20020718);
|
|
end;
|
|
|
|
procedure tcginlinenode.second_cos_real;
|
|
begin
|
|
internalerror(20020718);
|
|
end;
|
|
|
|
procedure tcginlinenode.second_sin_real;
|
|
begin
|
|
internalerror(20020718);
|
|
end;
|
|
|
|
|
|
procedure tcginlinenode.second_prefetch;
|
|
begin
|
|
end;
|
|
|
|
procedure tcginlinenode.second_abs_long;
|
|
var
|
|
opsize : tcgsize;
|
|
tempreg1, tempreg2 : tregister;
|
|
begin
|
|
opsize := def_cgsize(left.resultdef);
|
|
|
|
secondpass(left);
|
|
location_force_reg(current_asmdata.CurrAsmList, left.location, opsize, false);
|
|
location := left.location;
|
|
location.register := cg.getintregister(current_asmdata.CurrAsmList, opsize);
|
|
|
|
tempreg1 := cg.getintregister(current_asmdata.CurrAsmList, opsize);
|
|
tempreg2 := cg.getintregister(current_asmdata.CurrAsmList, opsize);
|
|
|
|
cg.a_op_const_reg_reg(current_asmdata.CurrAsmList, OP_SAR, OS_INT, tcgsize2size[opsize]*8-1, left.location.register, tempreg1);
|
|
cg.a_op_reg_reg_reg(current_asmdata.CurrAsmList, OP_XOR, OS_INT, left.location.register, tempreg1, tempreg2);
|
|
cg.a_op_reg_reg_reg(current_asmdata.CurrAsmlist, OP_SUB, OS_INT, tempreg1, tempreg2, location.register);
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
ASSIGNED GENERIC HANDLING
|
|
*****************************************************************************}
|
|
|
|
procedure tcginlinenode.second_assigned;
|
|
begin
|
|
secondpass(tcallparanode(left).left);
|
|
cg.a_cmp_const_loc_label(current_asmdata.CurrAsmList,def_cgsize(left.resultdef),OC_NE,0,tcallparanode(left).left.location,current_procinfo.CurrTrueLabel);
|
|
cg.a_jmp_always(current_asmdata.CurrAsmList,current_procinfo.CurrFalseLabel);
|
|
location_reset(location,LOC_JUMP,OS_NO);
|
|
end;
|
|
|
|
procedure Tcginlinenode.second_get_frame;
|
|
|
|
begin
|
|
{$if defined(x86) or defined(arm)}
|
|
if current_procinfo.framepointer=NR_STACK_POINTER_REG then
|
|
begin
|
|
location_reset(location,LOC_CONSTANT,OS_ADDR);
|
|
location.value:=0;
|
|
end
|
|
else
|
|
{$endif defined(x86) or defined(arm)}
|
|
begin
|
|
location_reset(location,LOC_CREGISTER,OS_ADDR);
|
|
location.register:=current_procinfo.framepointer;
|
|
end;
|
|
end;
|
|
|
|
procedure Tcginlinenode.second_get_caller_frame;
|
|
|
|
var
|
|
frame_reg:Tregister;
|
|
use_frame_pointer:boolean;
|
|
|
|
begin
|
|
if left<>nil then
|
|
begin
|
|
secondpass(left);
|
|
if left.location.loc=LOC_CONSTANT then
|
|
use_frame_pointer:=true
|
|
else
|
|
begin
|
|
location_force_reg(current_asmdata.currasmlist,left.location,OS_ADDR,false);
|
|
frame_reg:=left.location.register;
|
|
use_frame_pointer:=false;
|
|
end
|
|
end
|
|
else
|
|
begin
|
|
use_frame_pointer:=current_procinfo.framepointer=NR_STACK_POINTER_REG;
|
|
frame_reg:=current_procinfo.framepointer;
|
|
end;
|
|
|
|
if use_frame_pointer then
|
|
begin
|
|
location_reset(location,LOC_CREGISTER,OS_ADDR);
|
|
location.register:=NR_FRAME_POINTER_REG;
|
|
end
|
|
else
|
|
begin
|
|
location_reset_ref(location,LOC_REFERENCE,OS_ADDR,sizeof(pint));
|
|
location.reference.base:=frame_reg;
|
|
end;
|
|
end;
|
|
|
|
procedure Tcginlinenode.second_get_caller_addr;
|
|
var
|
|
frame_ref:Treference;
|
|
begin
|
|
if current_procinfo.framepointer=NR_STACK_POINTER_REG then
|
|
begin
|
|
location_reset(location,LOC_REGISTER,OS_ADDR);
|
|
location.register:=cg.getaddressregister(current_asmdata.currasmlist);
|
|
reference_reset_base(frame_ref,NR_STACK_POINTER_REG,{current_procinfo.calc_stackframe_size}tg.lasttemp,sizeof(pint));
|
|
cg.a_load_ref_reg(current_asmdata.currasmlist,OS_ADDR,OS_ADDR,frame_ref,location.register);
|
|
end
|
|
else
|
|
begin
|
|
location_reset(location,LOC_REGISTER,OS_ADDR);
|
|
location.register:=cg.getaddressregister(current_asmdata.currasmlist);
|
|
reference_reset_base(frame_ref,current_procinfo.framepointer,sizeof(pint),sizeof(pint));
|
|
cg.a_load_ref_reg(current_asmdata.currasmlist,OS_ADDR,OS_ADDR,frame_ref,location.register);
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure tcginlinenode.second_rox;
|
|
var
|
|
op : topcg;
|
|
{hcountreg : tregister;}
|
|
op1,op2 : tnode;
|
|
begin
|
|
{ one or two parameters? }
|
|
if (left.nodetype=callparan) and
|
|
assigned(tcallparanode(left).right) then
|
|
begin
|
|
op1:=tcallparanode(tcallparanode(left).right).left;
|
|
op2:=tcallparanode(left).left;
|
|
end
|
|
else
|
|
op1:=left;
|
|
|
|
secondpass(op1);
|
|
{ load left operator in a register }
|
|
location_copy(location,op1.location);
|
|
case inlinenumber of
|
|
in_ror_x,
|
|
in_ror_x_y:
|
|
op:=OP_ROR;
|
|
in_rol_x,
|
|
in_rol_x_y:
|
|
op:=OP_ROL;
|
|
end;
|
|
location_force_reg(current_asmdata.CurrAsmList,location,location.size,false);
|
|
|
|
if (left.nodetype=callparan) and
|
|
assigned(tcallparanode(left).right) then
|
|
begin
|
|
secondpass(op2);
|
|
{ rotating by a constant directly coded: }
|
|
if op2.nodetype=ordconstn then
|
|
cg.a_op_const_reg(current_asmdata.CurrAsmList,op,location.size,
|
|
tordconstnode(op2).value.uvalue and (resultdef.size*8-1),location.register)
|
|
else
|
|
begin
|
|
location_force_reg(current_asmdata.CurrAsmList,op2.location,location.size,false);
|
|
{ do modulo 2 operation }
|
|
cg.a_op_reg_reg(current_asmdata.CurrAsmList,op,location.size,op2.location.register,location.register);
|
|
end;
|
|
end
|
|
else
|
|
cg.a_op_const_reg(current_asmdata.CurrAsmList,op,location.size,1,location.register);
|
|
end;
|
|
|
|
|
|
procedure tcginlinenode.second_sar;
|
|
var
|
|
{hcountreg : tregister;}
|
|
op1,op2 : tnode;
|
|
begin
|
|
if (left.nodetype=callparan) and
|
|
assigned(tcallparanode(left).right) then
|
|
begin
|
|
op1:=tcallparanode(tcallparanode(left).right).left;
|
|
op2:=tcallparanode(left).left;
|
|
end
|
|
else
|
|
begin
|
|
op1:=left;
|
|
op2:=nil;
|
|
end;
|
|
secondpass(op1);
|
|
{ load left operator in a register }
|
|
location_copy(location,op1.location);
|
|
|
|
location_force_reg(current_asmdata.CurrAsmList,location,location.size,false);
|
|
|
|
if not(assigned(op2)) then
|
|
cg.a_op_const_reg(current_asmdata.CurrAsmList,OP_SAR,location.size,1,location.register)
|
|
else
|
|
begin
|
|
secondpass(op2);
|
|
{ shifting by a constant directly coded: }
|
|
if op2.nodetype=ordconstn then
|
|
cg.a_op_const_reg(current_asmdata.CurrAsmList,OP_SAR,location.size,
|
|
tordconstnode(op2).value.uvalue and (resultdef.size*8-1),location.register)
|
|
else
|
|
begin
|
|
location_force_reg(current_asmdata.CurrAsmList,op2.location,location.size,false);
|
|
cg.a_op_reg_reg(current_asmdata.CurrAsmList,OP_SAR,location.size,op2.location.register,location.register);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure tcginlinenode.second_BsfBsr;
|
|
var
|
|
reverse: boolean;
|
|
opsize: tcgsize;
|
|
begin
|
|
reverse:=(inlinenumber = in_bsr_x);
|
|
secondpass(left);
|
|
|
|
opsize:=tcgsize2unsigned[left.location.size];
|
|
if opsize < OS_32 then
|
|
opsize:=OS_32;
|
|
|
|
if (left.location.loc <> LOC_REGISTER) or
|
|
(left.location.size <> opsize) then
|
|
location_force_reg(current_asmdata.CurrAsmList,left.location,opsize,true);
|
|
|
|
location_reset(location,LOC_REGISTER,opsize);
|
|
location.register := cg.getintregister(current_asmdata.CurrAsmList,opsize);
|
|
cg.a_bit_scan_reg_reg(current_asmdata.CurrAsmList,reverse,opsize,left.location.register,location.register);
|
|
end;
|
|
|
|
|
|
begin
|
|
cinlinenode:=tcginlinenode;
|
|
end.
|