Title: [271489] trunk/Source/_javascript_Core
- Revision
- 271489
- Author
- sbar...@apple.com
- Date
- 2021-01-14 10:10:38 -0800 (Thu, 14 Jan 2021)
Log Message
Baseline JIT should emit mutatorFence after inline allocations
https://bugs.webkit.org/show_bug.cgi?id=220572
Reviewed by Yusuke Suzuki.
* jit/JITOpcodes.cpp:
(JSC::JIT::emit_op_new_object):
(JSC::JIT::emit_op_create_this):
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (271488 => 271489)
--- trunk/Source/_javascript_Core/ChangeLog 2021-01-14 17:19:00 UTC (rev 271488)
+++ trunk/Source/_javascript_Core/ChangeLog 2021-01-14 18:10:38 UTC (rev 271489)
@@ -1,3 +1,14 @@
+2021-01-14 Saam Barati <sbar...@apple.com>
+
+ Baseline JIT should emit mutatorFence after inline allocations
+ https://bugs.webkit.org/show_bug.cgi?id=220572
+
+ Reviewed by Yusuke Suzuki.
+
+ * jit/JITOpcodes.cpp:
+ (JSC::JIT::emit_op_new_object):
+ (JSC::JIT::emit_op_create_this):
+
2021-01-13 Xan Lopez <x...@igalia.com>
[JSC] Remove the unused compilation byproducts from the wasm embedder entrypoint
Modified: trunk/Source/_javascript_Core/jit/JITOpcodes.cpp (271488 => 271489)
--- trunk/Source/_javascript_Core/jit/JITOpcodes.cpp 2021-01-14 17:19:00 UTC (rev 271488)
+++ trunk/Source/_javascript_Core/jit/JITOpcodes.cpp 2021-01-14 18:10:38 UTC (rev 271489)
@@ -101,6 +101,7 @@
auto butterfly = TrustedImmPtr(nullptr);
emitAllocateJSObject(resultReg, JITAllocator::constant(allocator), allocatorReg, TrustedImmPtr(structure), butterfly, scratchReg, slowCases);
emitInitializeInlineStorage(resultReg, structure->inlineCapacity());
+ mutatorFence(*m_vm);
addSlowCase(slowCases);
emitPutVirtualRegister(bytecode.m_dst);
}
@@ -1085,6 +1086,7 @@
emitAllocateJSObject(resultReg, JITAllocator::variable(), allocatorReg, structureReg, butterfly, scratchReg, slowCases);
load8(Address(structureReg, Structure::inlineCapacityOffset()), scratchReg);
emitInitializeInlineStorage(resultReg, scratchReg);
+ mutatorFence(*m_vm);
addSlowCase(slowCases);
emitPutVirtualRegister(bytecode.m_dst);
}
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