diff --git a/.gitattributes b/.gitattributes index 7a4f4b9a5a..acd3601871 100644 --- a/.gitattributes +++ b/.gitattributes @@ -23,6 +23,7 @@ compiler/aarch64/cpuinfo.pas svneol=native#text/plain compiler/aarch64/cpupara.pas svneol=native#text/plain compiler/aarch64/itcpugas.pas svneol=native#text/plain compiler/aarch64/ncpuadd.pas svneol=native#text/plain +compiler/aarch64/ncpucnv.pas svneol=native#text/plain compiler/aarch64/ncpuinl.pas svneol=native#text/plain compiler/aarch64/ra64con.inc svneol=native#text/plain compiler/aarch64/ra64dwa.inc svneol=native#text/plain diff --git a/compiler/aarch64/ncpucnv.pas b/compiler/aarch64/ncpucnv.pas new file mode 100644 index 0000000000..7f50121e59 --- /dev/null +++ b/compiler/aarch64/ncpucnv.pas @@ -0,0 +1,144 @@ +{ + Copyright (c) 2014 by Jonas Maebe + + Generate AArch64 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; + + type + taarch64typeconvnode = class(TCgTypeConvNode) + protected + function typecheck_int_to_real: tnode; override; + function first_int_to_real: tnode; override; + + { 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; } + 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, + symdef,aasmdata, + defutil, + cgbase,cgutils, + cpubase,aasmcpu, + cgobj, + hlcgobj; + + +{***************************************************************************** + FirstTypeConv +*****************************************************************************} + + function taarch64typeconvnode.typecheck_int_to_real: tnode; + begin + { aarch64 supports converting everything to floating point, even fixed + point! Unfortunately, it only supports fixed point with a power-of-2 + fraction, which is not the case for currency. + + Generate the division by 10000 via nodes so the 10000.0 constant can + be reused. } + if is_currency(resultdef) and + not(nf_is_currency in flags) then + begin + { convert the equivalent int64 value to double without conversion + (internal typecast -> will set nf_is_currency flag) } + result:=ctypeconvnode.create_internal(left,s64floattype); + { turn into currency with conversion, which will divide by 10000 + (regular typecast) } + result:=ctypeconvnode.create(result,s64currencytype); + exit; + end; + { The only other thing we have to take care of: convert values < 32 bit + to 32 bit } + if left.resultdef.size<4 then + begin + if is_signed(left.resultdef) then + inserttypeconv(left,s32inttype) + else + inserttypeconv(left,u32inttype) + end; + result:=inherited; + end; + + + function taarch64typeconvnode.first_int_to_real: tnode; + begin + result:=nil; + expectloc:=LOC_MMREGISTER; + end; + + +{***************************************************************************** + SecondTypeConv +*****************************************************************************} + + procedure taarch64typeconvnode.second_int_to_real; + var + op: tasmop; + begin + location_reset(location,LOC_MMREGISTER,def_cgsize(resultdef)); + location.register:=cg.getmmregister(current_asmdata.CurrAsmList,location.size); + hlcg.location_force_reg(current_asmdata.CurrAsmList,left.location,left.resultdef,left.resultdef,true); + if not(left.location.loc in [LOC_REGISTER,LOC_CREGISTER]) then + internalerror(2014120401); + case left.location.size of + OS_32, + OS_64: + op:=A_UCVTF; + OS_S32, + OS_S64, + { for currency and comp } + OS_F64: + op:=A_SCVTF; + else + internalerror(2014120402); + end; + current_asmdata.CurrAsmList.concat(taicpu.op_reg_reg(op,location.register,left.location.register)); + { no scaling for currency, that's handled in pass_typecheck } + end; + + +begin + ctypeconvnode:=taarch64typeconvnode; +end.