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6732154: REG: Printing an Image using image/gif doc flavor crashes the VM, Solsparc

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Delay transform call until uses of t2 are constructed

Reviewed-by: never
This commit is contained in:
Chuck Rasbold 2008-08-14 10:15:29 -07:00
parent 897278fce0
commit 1e49d39e6b
1 changed files with 8 additions and 2 deletions
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10
hotspot/src/share/vm/opto/divnode.cpp
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@ -264,8 +264,14 @@ static Node *long_by_long_mulhi( PhaseGVN *phase, Node *dividend, jlong magic_co
Node *t1 = phase->transform(new (phase->C, 3) URShiftLNode(lolo_product, phase->intcon(N / 2)));
Node *t2 = phase->transform(new (phase->C, 3) AddLNode(hilo_product, t1));
Node *t3 = phase->transform(new (phase->C, 3) RShiftLNode(t2, phase->intcon(N / 2)));
Node *t4 = phase->transform(new (phase->C, 3) AndLNode(t2, phase->longcon(0xFFFFFFFF)));
// Construct both t3 and t4 before transforming so t2 doesn't go dead
// prematurely.
Node *t3 = new (phase->C, 3) RShiftLNode(t2, phase->intcon(N / 2));
Node *t4 = new (phase->C, 3) AndLNode(t2, phase->longcon(0xFFFFFFFF));
t3 = phase->transform(t3);
t4 = phase->transform(t4);
Node *t5 = phase->transform(new (phase->C, 3) AddLNode(t4, lohi_product));
Node *t6 = phase->transform(new (phase->C, 3) RShiftLNode(t5, phase->intcon(N / 2)));
Node *t7 = phase->transform(new (phase->C, 3) AddLNode(t3, hihi_product));