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MIPS: Only extend storage if FIELD

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Port r15125 (0c202ff0)

BUG=

Review URL: https://codereview.chromium.org/16983002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15134 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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palfia@homejinni.com 2013-06-13 18:49:09 +00:00
parent ddffbb7249
commit 6dcc6e27f6
1 changed files with 2 additions and 1 deletions
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3
src/mips/stub-cache-mips.cc
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@ -537,7 +537,8 @@ void StubCompiler::GenerateStoreTransition(MacroAssembler* masm,
ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded()); ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded());
// Perform map transition for the receiver if necessary. // Perform map transition for the receiver if necessary.
if (object->map()->unused_property_fields() == 0) { if (details.type() == FIELD &&
object->map()->unused_property_fields() == 0) {
// The properties must be extended before we can store the value. // The properties must be extended before we can store the value.
// We jump to a runtime call that extends the properties array. // We jump to a runtime call that extends the properties array.
__ push(receiver_reg); __ push(receiver_reg);