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7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp

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Reviewed-by: kvn, twisti
This commit is contained in:
Tom Rodriguez 2011-05-02 18:53:37 -07:00
parent dfc5561910
commit 33f0e50994
18 changed files with 387 additions and 172 deletions
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23
hotspot/src/share/vm/opto/loopPredicate.cpp
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@ -700,32 +700,35 @@ BoolNode* PhaseIdealLoop::rc_predicate(Node* ctrl,
int scale, Node* offset,
Node* init, Node* limit, Node* stride,
Node* range, bool upper) {
DEBUG_ONLY(ttyLocker ttyl);
if (TraceLoopPredicate) tty->print("rc_predicate ");
stringStream* predString = NULL;
if (TraceLoopPredicate) {
predString = new stringStream();
predString->print("rc_predicate ");
}
Node* max_idx_expr = init;
int stride_con = stride->get_int();
if ((stride_con > 0) == (scale > 0) == upper) {
max_idx_expr = new (C, 3) SubINode(limit, stride);
register_new_node(max_idx_expr, ctrl);
if (TraceLoopPredicate) tty->print("(limit - stride) ");
if (TraceLoopPredicate) predString->print("(limit - stride) ");
} else {
if (TraceLoopPredicate) tty->print("init ");
if (TraceLoopPredicate) predString->print("init ");
}
if (scale != 1) {
ConNode* con_scale = _igvn.intcon(scale);
max_idx_expr = new (C, 3) MulINode(max_idx_expr, con_scale);
register_new_node(max_idx_expr, ctrl);
if (TraceLoopPredicate) tty->print("* %d ", scale);
if (TraceLoopPredicate) predString->print("* %d ", scale);
}
if (offset && (!offset->is_Con() || offset->get_int() != 0)){
max_idx_expr = new (C, 3) AddINode(max_idx_expr, offset);
register_new_node(max_idx_expr, ctrl);
if (TraceLoopPredicate)
if (offset->is_Con()) tty->print("+ %d ", offset->get_int());
else tty->print("+ offset ");
if (offset->is_Con()) predString->print("+ %d ", offset->get_int());
else predString->print("+ offset ");
}
CmpUNode* cmp = new (C, 3) CmpUNode(max_idx_expr, range);
@ -733,7 +736,10 @@ BoolNode* PhaseIdealLoop::rc_predicate(Node* ctrl,
BoolNode* bol = new (C, 2) BoolNode(cmp, BoolTest::lt);
register_new_node(bol, ctrl);
if (TraceLoopPredicate) tty->print_cr("<u range");
if (TraceLoopPredicate) {
predString->print_cr("<u range");
tty->print(predString->as_string());
}
return bol;
}
@ -957,4 +963,3 @@ bool IdealLoopTree::loop_predication( PhaseIdealLoop *phase) {
return hoisted;
}