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* m68k/n68kadd.pas, t68kaddnode.second_cmpordinal:

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for "CMP" it is important to note that the first operand (which can be basically a register, a constant or a reference) is substracted from the second operand (which needs to be a data register) and not the other way round

git-svn-id: trunk@22798 -
This commit is contained in:
svenbarth 2012-10-21 13:59:05 +00:00
parent a266d73409
commit f0aad6dbc4
1 changed files with 6 additions and 6 deletions
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12
compiler/m68k/n68kadd.pas
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@ -307,7 +307,6 @@ implementation
tmpreg : tregister; tmpreg : tregister;
op : tasmop; op : tasmop;
begin begin
// writeln('second_cmpordinal');
pass_left_right; pass_left_right;
{ set result location } { set result location }
location_reset(location,LOC_JUMP,OS_NO); location_reset(location,LOC_JUMP,OS_NO);
@ -359,19 +358,20 @@ implementation
location.loc := LOC_FLAGS; location.loc := LOC_FLAGS;
location.resflags := getresflags(unsigned); location.resflags := getresflags(unsigned);
op := A_CMP; op := A_CMP;
{ Attention: The RIGHT(!) operand is substracted from and must be a
register! }
if (right.location.loc = LOC_CONSTANT) then if (right.location.loc = LOC_CONSTANT) then
if useconst then if useconst then
current_asmdata.CurrAsmList.concat(taicpu.op_reg_const(op,S_L, current_asmdata.CurrAsmList.concat(taicpu.op_const_reg(op,S_L,
left.location.register,longint(right.location.value))) longint(right.location.value),left.location.register))
else else
begin begin
current_asmdata.CurrAsmList.concat(taicpu.op_reg_reg(op,S_L, current_asmdata.CurrAsmList.concat(taicpu.op_reg_reg(op,S_L,
left.location.register,tmpreg)); tmpreg,left.location.register));
// cg.ungetcpuregister(current_asmdata.CurrAsmList,tmpreg);
end end
else else
current_asmdata.CurrAsmList.concat(taicpu.op_reg_reg(op,S_L, current_asmdata.CurrAsmList.concat(taicpu.op_reg_reg(op,S_L,
left.location.register,right.location.register)); right.location.register,left.location.register));
end; end;
{***************************************************************************** {*****************************************************************************