Mercurial > hg > truffle
changeset 294:616a07a75c3c
6732154: REG: Printing an Image using image/gif doc flavor crashes the VM, Solsparc
Summary: delay transform call until uses of t2 are constructed
Reviewed-by: never
| author | rasbold |
|---|---|
| date | Thu, 14 Aug 2008 10:15:29 -0700 |
| parents | c3e045194476 |
| children | ea18057223c4 |
| files | src/share/vm/opto/divnode.cpp |
| diffstat | 1 files changed, 8 insertions(+), 2 deletions(-) [+] |
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--- a/src/share/vm/opto/divnode.cpp Fri Aug 01 10:06:45 2008 -0700 +++ b/src/share/vm/opto/divnode.cpp Thu Aug 14 10:15:29 2008 -0700 @@ -264,8 +264,14 @@ 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));