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Unified Diff: src/arm64/macro-assembler-arm64.cc

Issue 2087463004: Revert of [heap] Avoid the use of cells to point from code to new-space objects. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 6 months ago
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Index: src/arm64/macro-assembler-arm64.cc
diff --git a/src/arm64/macro-assembler-arm64.cc b/src/arm64/macro-assembler-arm64.cc
index 543dc7234bdf847b38bb1965e05ba78afffb0557..86ddefa9ad40ea23fe770d8edbe3ef8ea9df62a6 100644
--- a/src/arm64/macro-assembler-arm64.cc
+++ b/src/arm64/macro-assembler-arm64.cc
@@ -1425,7 +1425,14 @@
void MacroAssembler::LoadHeapObject(Register result,
Handle<HeapObject> object) {
- Mov(result, Operand(object));
+ AllowDeferredHandleDereference using_raw_address;
+ if (isolate()->heap()->InNewSpace(*object)) {
+ Handle<Cell> cell = isolate()->factory()->NewCell(object);
+ Mov(result, Operand(cell));
+ Ldr(result, FieldMemOperand(result, Cell::kValueOffset));
+ } else {
+ Mov(result, Operand(object));
+ }
}
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