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Unified Diff: src/x87/macro-assembler-x87.cc

Issue 355793003: Replace HeapNumber as doublebox with an explicit MutableHeapNumber. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 6 months ago
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Index: src/x87/macro-assembler-x87.cc
diff --git a/src/x87/macro-assembler-x87.cc b/src/x87/macro-assembler-x87.cc
index 585f9c023b4b58129a0c4eddb4cd248be3c280a6..111aed9a2e6b6b9cf6591f223de96348943fe643 100644
--- a/src/x87/macro-assembler-x87.cc
+++ b/src/x87/macro-assembler-x87.cc
@@ -1576,14 +1576,18 @@ void MacroAssembler::UndoAllocationInNewSpace(Register object) {
void MacroAssembler::AllocateHeapNumber(Register result,
Register scratch1,
Register scratch2,
- Label* gc_required) {
+ Label* gc_required,
+ MutableMode mode) {
// Allocate heap number in new space.
Allocate(HeapNumber::kSize, result, scratch1, scratch2, gc_required,
TAG_OBJECT);
+ Handle<Map> map = mode == MUTABLE
+ ? isolate()->factory()->mutable_heap_number_map()
+ : isolate()->factory()->heap_number_map();
+
// Set the map.
- mov(FieldOperand(result, HeapObject::kMapOffset),
- Immediate(isolate()->factory()->heap_number_map()));
+ mov(FieldOperand(result, HeapObject::kMapOffset), Immediate(map));
}
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