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Unified Diff: runtime/vm/intermediate_language.h

Issue 396733006: Optimize the multiplication of two 32-bit unsigned integers. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 6 years, 5 months ago
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Index: runtime/vm/intermediate_language.h
===================================================================
--- runtime/vm/intermediate_language.h (revision 38398)
+++ runtime/vm/intermediate_language.h (working copy)
@@ -7086,7 +7086,8 @@
virtual bool CanDeoptimize() const {
return FLAG_throw_on_javascript_int_overflow
|| (can_overflow() && ((op_kind() == Token::kADD) ||
- (op_kind() == Token::kSUB)));
+ (op_kind() == Token::kSUB)))
+ || (op_kind() == Token::kMUL); // Deopt if inputs are not int32.
}
virtual Representation representation() const {
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