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Avoid overflow error in riscv code generator

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git-svn-id: trunk@40318 -
This commit is contained in:
pierre 2018-11-15 16:57:57 +00:00
parent 6a6ea6729f
commit 7c92412c74
1 changed files with 8 additions and 2 deletions
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10
compiler/riscv/nrvadd.pas
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@ -88,7 +88,10 @@ implementation
hlcg.location_force_reg(current_asmdata.CurrAsmList,left.location,left.resultdef,left.resultdef,false);
if (right.location.loc=LOC_CONSTANT) and
(not is_imm12(-right.location.value)) then
{ right.location.value might be $8000000000000000,
and its minus value generates an overflow here }
{$ifopt Q+} ((right.location.value = int64($8000000000000000)) or {$endif}
(not is_imm12(-right.location.value)) {$ifopt Q+}){$endif} then
hlcg.location_force_reg(current_asmdata.CurrAsmList,right.location,right.resultdef,right.resultdef,false);
if right.location.loc=LOC_CONSTANT then
@ -103,7 +106,10 @@ implementation
hlcg.location_force_reg(current_asmdata.CurrAsmList,left.location,left.resultdef,left.resultdef,false);
if (right.location.loc=LOC_CONSTANT) and
(not is_imm12(-right.location.value)) then
{ right.location.value might be $8000000000000000,
and its minus value generates an overflow here }
{$ifopt Q+} ((right.location.value = int64($8000000000000000)) or {$endif}
(not is_imm12(-right.location.value)) {$ifopt Q+}){$endif} then
hlcg.location_force_reg(current_asmdata.CurrAsmList,right.location,right.resultdef,right.resultdef,false);
if right.location.loc=LOC_CONSTANT then