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* MIPS: when converting int to real, use a floating point constant directly, instead of emulating it with integers. tai_real_64bit already handles all endian issues.

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git-svn-id: trunk@25856 -
This commit is contained in:
sergei 2013-10-26 18:12:25 +00:00
parent 40239e8bcc
commit dd472dbfb0
1 changed files with 1 additions and 10 deletions
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11
compiler/mips/ncpucnv.pas
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@ -147,8 +147,6 @@ var
href: treference;
hregister: tregister;
l1, l2: tasmlabel;
addend: array[boolean] of longword;
bigendian: boolean;
begin
location_reset(location, LOC_FPUREGISTER, def_cgsize(resultdef));
if is_signed(left.resultdef) then
@ -173,14 +171,7 @@ begin
hregister := cg.getfpuregister(current_asmdata.CurrAsmList, OS_F64);
new_section(current_asmdata.asmlists[al_typedconsts],sec_rodata_norel,l1.name,const_align(8));
current_asmdata.asmlists[al_typedconsts].concat(Tai_label.Create(l1));
addend[false]:=0;
addend[true]:=$41f00000;
bigendian:=(target_info.endian=endian_big);
{ add double number 4294967296.0 = (1ull^32) = 0x41f00000,00000000 in little endian hex}
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_32bit(addend[bigendian]));
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_32bit(addend[not bigendian]));
current_asmdata.asmlists[al_typedconsts].concat(Tai_real_64bit.Create(4294967296.0));
cg.a_loadfpu_ref_reg(current_asmdata.CurrAsmList, OS_F64, OS_F64, href, hregister);
current_asmdata.CurrAsmList.concat(taicpu.op_reg_reg_reg(A_ADD_D, location.Register, hregister, location.Register));