src/arm/stub-cache-arm.cc - Issue 334323003: Reland r22082 "Replace HeapNumber as doublebox with an explicit MutableHeapNumber."

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Unified Diff: src/arm/stub-cache-arm.cc

Issue 334323003: Reland r22082 "Replace HeapNumber as doublebox with an explicit MutableHeapNumber." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Migrations test fixed Created 6 years, 6 months ago

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Index: src/arm/stub-cache-arm.cc

diff --git a/src/arm/stub-cache-arm.cc b/src/arm/stub-cache-arm.cc

index 1c772eec81152d77ade1e95a7ebe1135d93210fb..c30fa1f881a22134fa30787e0bab8aba9257cce7 100644

--- a/src/arm/stub-cache-arm.cc

+++ b/src/arm/stub-cache-arm.cc

@@ -426,8 +426,9 @@ void StoreStubCompiler::GenerateStoreTransition(MacroAssembler* masm,

}

} else if (representation.IsDouble()) {

Label do_store, heap_number;

- __ LoadRoot(scratch3, Heap::kHeapNumberMapRootIndex);

- __ AllocateHeapNumber(storage_reg, scratch1, scratch2, scratch3, slow);

+ __ LoadRoot(scratch3, Heap::kMutableHeapNumberMapRootIndex);

+ __ AllocateHeapNumber(storage_reg, scratch1, scratch2, scratch3, slow,

+ TAG_RESULT, MUTABLE);

__ JumpIfNotSmi(value_reg, &heap_number);

__ SmiUntag(scratch1, value_reg);

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