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Unified Diff: src/mips/macro-assembler-mips.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/mips/macro-assembler-mips.cc
diff --git a/src/mips/macro-assembler-mips.cc b/src/mips/macro-assembler-mips.cc
index ce5cd90d9ca7a63e28ad616a98ad404ff8543d88..5060e6884cadc3f279003210d0c5dd81ae45a560 100644
--- a/src/mips/macro-assembler-mips.cc
+++ b/src/mips/macro-assembler-mips.cc
@@ -3274,14 +3274,19 @@ void MacroAssembler::AllocateHeapNumber(Register result,
Register scratch2,
Register heap_number_map,
Label* need_gc,
- TaggingMode tagging_mode) {
+ TaggingMode tagging_mode,
+ MutableMode mode) {
// Allocate an object in the heap for the heap number and tag it as a heap
// object.
Allocate(HeapNumber::kSize, result, scratch1, scratch2, need_gc,
tagging_mode == TAG_RESULT ? TAG_OBJECT : NO_ALLOCATION_FLAGS);
+ Heap::RootListIndex map_index = mode == MUTABLE
+ ? Heap::kMutableHeapNumberMapRootIndex
+ : Heap::kHeapNumberMapRootIndex;
+ AssertIsRoot(heap_number_map, map_index);
+
// Store heap number map in the allocated object.
- AssertIsRoot(heap_number_map, Heap::kHeapNumberMapRootIndex);
if (tagging_mode == TAG_RESULT) {
sw(heap_number_map, FieldMemOperand(result, HeapObject::kMapOffset));
} else {
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