Title: [270223] trunk/Source/_javascript_Core
- Revision
- 270223
- Author
- [email protected]
- Date
- 2020-11-28 20:20:53 -0800 (Sat, 28 Nov 2020)
Log Message
Unreviewed, follow-up after r270214
https://bugs.webkit.org/show_bug.cgi?id=219281
ARM64 does not support unary Not32 / Not64.
* wasm/WasmAirIRGenerator.cpp:
(JSC::Wasm::AirIRGenerator::emitAtomicBinaryRMWOp):
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (270222 => 270223)
--- trunk/Source/_javascript_Core/ChangeLog 2020-11-29 04:05:09 UTC (rev 270222)
+++ trunk/Source/_javascript_Core/ChangeLog 2020-11-29 04:20:53 UTC (rev 270223)
@@ -1,3 +1,13 @@
+2020-11-28 Yusuke Suzuki <[email protected]>
+
+ Unreviewed, follow-up after r270214
+ https://bugs.webkit.org/show_bug.cgi?id=219281
+
+ ARM64 does not support unary Not32 / Not64.
+
+ * wasm/WasmAirIRGenerator.cpp:
+ (JSC::Wasm::AirIRGenerator::emitAtomicBinaryRMWOp):
+
2020-11-27 Yusuke Suzuki <[email protected]>
[JSC] Use ARM atomic ops in wasm
Modified: trunk/Source/_javascript_Core/wasm/WasmAirIRGenerator.cpp (270222 => 270223)
--- trunk/Source/_javascript_Core/wasm/WasmAirIRGenerator.cpp 2020-11-29 04:05:09 UTC (rev 270222)
+++ trunk/Source/_javascript_Core/wasm/WasmAirIRGenerator.cpp 2020-11-29 04:20:53 UTC (rev 270223)
@@ -2187,13 +2187,12 @@
TypedTmp newValue;
if (valueType == Type::I64) {
newValue = g64();
- append(Move, value, newValue);
- append(Not64, newValue);
+ append(Not64, value, newValue);
} else {
newValue = g32();
- append(Move, value, newValue);
- append(Not32, newValue);
+ append(Not32, value, newValue);
}
+ value = newValue;
opcode = OPCODE_FOR_WIDTH(AtomicXchgClear, accessWidth(op));
}
nonAtomicOpcode = OPCODE_FOR_CANONICAL_WIDTH(And, accessWidth(op));
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