src/x64/cfg-x64.cc - Issue 174639: Use a root array register for constant loads and stack guards on x64....

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Unified Diff: src/x64/cfg-x64.cc

Issue 174639: Use a root array register for constant loads and stack guards on x64.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/

Patch Set: Created 11 years, 4 months ago

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Index: src/x64/cfg-x64.cc

===================================================================

--- src/x64/cfg-x64.cc (revision 2780)

+++ src/x64/cfg-x64.cc (working copy)

@@ -71,8 +71,7 @@

__ push(rdi);

int count = CfgGlobals::current()->fun()->scope()->num_stack_slots();

if (count > 0) {

- __ movq(kScratchRegister, Factory::undefined_value(),

- RelocInfo::EMBEDDED_OBJECT);

+ __ LoadRoot(kScratchRegister, Heap::kUndefinedValueRootIndex);

for (int i = 0; i < count; i++) {

__ push(kScratchRegister);

}

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