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Unified Diff: runtime/vm/intermediate_language_x64.cc

Issue 10559072: Fuse Comparison->BooleanNegate->Branch. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 8 years, 6 months ago
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Index: runtime/vm/intermediate_language_x64.cc
===================================================================
--- runtime/vm/intermediate_language_x64.cc (revision 8911)
+++ runtime/vm/intermediate_language_x64.cc (working copy)
@@ -542,7 +542,9 @@
if (comp->is_fused_with_branch()) {
BranchInstr* branch = comp->fused_with_branch();
- __ j(PARITY_EVEN, compiler->GetBlockLabel(branch->false_successor()));
+ BlockEntryInstr* nan_result = branch->is_negated() ?
+ branch->true_successor() : branch->false_successor();
+ __ j(PARITY_EVEN, compiler->GetBlockLabel(nan_result));
branch->EmitBranchOnCondition(compiler, true_condition);
} else {
Register result = comp->locs()->out().reg();
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