Changeset 35813 in webkit for trunk/JavaScriptCore/VM/CodeGenerator.cpp

Timestamp:

Aug 17, 2008, 7:42:07 PM (17 years ago)

Author:

[email protected]

Message:

2008-08-17 Cameron Zwarich <​[email protected]>

Reviewed by Maciej.

Change the counting of constants so that preincrement and predecrement of
const local variables are considered unexpected loads.

JavaScriptCore:

• kjs/nodes.cpp: (KJS::PrefixResolveNode::emitCode):
• kjs/nodes.h: (KJS::ScopeNode::neededConstants):

LayoutTests:

• fast/js/deep-recursion-test.html:

File:

• trunk/JavaScriptCore/VM/CodeGenerator.cpp (modified) (1 diff)

trunk/JavaScriptCore/VM/CodeGenerator.cpp

@@ -661 +661 @@
 }
 
+RegisterID* CodeGenerator::emitUnexpectedLoad(RegisterID* dst, double d)
+{
+    emitOpcode(op_unexpected_load);
+    instructions().append(dst->index());
+    instructions().append(addUnexpectedConstant(jsNumber(globalExec(), d)));
+    return dst;
+}
+
 RegisterID* CodeGenerator::emitNullaryOp(OpcodeID opcode, RegisterID* dst)
 {