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7131028: Switch statement takes wrong path

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Pass correct type to branch in LIRGenerator::do_SwitchRanges()

Reviewed-by: kvn, never
This commit is contained in:
Igor Veresov 2012-01-20 15:02:12 -08:00
parent 5b3f2efc2e
commit 55c9a74046
2 changed files with 4 additions and 3 deletions
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5
hotspot/src/share/vm/c1/c1_LIR.hpp
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@ -1354,9 +1354,10 @@ class LIR_OpBranch: public LIR_Op {
CodeStub* _stub; // if this is a branch to a stub, this is the stub
public:
LIR_OpBranch(LIR_Condition cond, Label* lbl)
LIR_OpBranch(LIR_Condition cond, BasicType type, Label* lbl)
: LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*) NULL)
, _cond(cond)
, _type(type)
, _label(lbl)
, _block(NULL)
, _ublock(NULL)
@ -2053,7 +2054,7 @@ class LIR_List: public CompilationResourceObj {
void jump(CodeStub* stub) {
append(new LIR_OpBranch(lir_cond_always, T_ILLEGAL, stub));
}
void branch(LIR_Condition cond, Label* lbl) { append(new LIR_OpBranch(cond, lbl)); }
void branch(LIR_Condition cond, BasicType type, Label* lbl) { append(new LIR_OpBranch(cond, type, lbl)); }
void branch(LIR_Condition cond, BasicType type, BlockBegin* block) {
assert(type != T_FLOAT && type != T_DOUBLE, "no fp comparisons");
append(new LIR_OpBranch(cond, type, block));

2
hotspot/src/share/vm/c1/c1_LIRGenerator.cpp
View file

@ -2350,7 +2350,7 @@ void LIRGenerator::do_SwitchRanges(SwitchRangeArray* x, LIR_Opr value, BlockBegi
} else {
LabelObj* L = new LabelObj();
__ cmp(lir_cond_less, value, low_key);
__ branch(lir_cond_less, L->label());
__ branch(lir_cond_less, T_INT, L->label());
__ cmp(lir_cond_lessEqual, value, high_key);
__ branch(lir_cond_lessEqual, T_INT, dest);
__ branch_destination(L->label());