--- a/hotspot/src/share/vm/c1/c1_Canonicalizer.cpp Thu Sep 02 11:40:02 2010 -0700
+++ b/hotspot/src/share/vm/c1/c1_Canonicalizer.cpp Fri Sep 03 17:51:07 2010 -0700
@@ -652,10 +652,20 @@
else if (lss_sux == gtr_sux) { cond = If::neq; tsux = lss_sux; fsux = eql_sux; }
else if (eql_sux == gtr_sux) { cond = If::geq; tsux = eql_sux; fsux = lss_sux; }
else { ShouldNotReachHere(); }
- If* canon = new If(cmp->x(), cond, nan_sux == tsux, cmp->y(), tsux, fsux, cmp->state_before(), x->is_safepoint());
+ If* canon = new If(cmp->x(), cond, nan_sux == tsux, cmp->y(), tsux, fsux, cmp->state_before(), x->is_safepoint());
if (cmp->x() == cmp->y()) {
do_If(canon);
} else {
+ if (compilation()->profile_branches()) {
+ // TODO: If profiling, leave floating point comparisons unoptimized.
+ // We currently do not support profiling of the unordered case.
+ switch(cmp->op()) {
+ case Bytecodes::_fcmpl: case Bytecodes::_fcmpg:
+ case Bytecodes::_dcmpl: case Bytecodes::_dcmpg:
+ set_canonical(x);
+ return;
+ }
+ }
set_canonical(canon);
set_bci(cmp->bci());
}
@@ -881,4 +891,5 @@
void Canonicalizer::do_UnsafePrefetchRead (UnsafePrefetchRead* x) {}
void Canonicalizer::do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) {}
void Canonicalizer::do_ProfileCall(ProfileCall* x) {}
-void Canonicalizer::do_ProfileCounter(ProfileCounter* x) {}
+void Canonicalizer::do_ProfileInvoke(ProfileInvoke* x) {}
+