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

Issue 2090983002: Revert of Reland [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/arm/macro-assembler-arm.cc
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index ce5ca09867010f0045538cb7e3da92bb19a49910..d8df4cda5cfcb4bdf2b5f37ff6a4626ae5de4352 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -240,7 +240,19 @@
void MacroAssembler::Move(Register dst, Handle<Object> value) {
- mov(dst, Operand(value));
+ AllowDeferredHandleDereference smi_check;
+ if (value->IsSmi()) {
+ mov(dst, Operand(value));
+ } else {
+ DCHECK(value->IsHeapObject());
+ if (isolate()->heap()->InNewSpace(*value)) {
+ Handle<Cell> cell = isolate()->factory()->NewCell(value);
+ mov(dst, Operand(cell));
+ ldr(dst, FieldMemOperand(dst, Cell::kValueOffset));
+ } else {
+ mov(dst, Operand(value));
+ }
+ }
}
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