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Unified Diff: src/mips/builtins-mips.cc

Issue 1707133003: [Interpreter] Fix deopt when accumulator needs to be materialized. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Address comments and add test Created 4 years, 10 months ago
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Index: src/mips/builtins-mips.cc
diff --git a/src/mips/builtins-mips.cc b/src/mips/builtins-mips.cc
index 076cb330699b9e35a2318b0da87e8d051c9e4544..7e1f7a1cb6713f50b0aeca369df68b5000f95082 100644
--- a/src/mips/builtins-mips.cc
+++ b/src/mips/builtins-mips.cc
@@ -1187,19 +1187,18 @@ static void Generate_InterpreterNotifyDeoptimizedHelper(
// Enter an internal frame.
{
FrameScope scope(masm, StackFrame::INTERNAL);
- __ push(kInterpreterAccumulatorRegister); // Save accumulator register.
// Pass the deoptimization type to the runtime system.
__ li(a1, Operand(Smi::FromInt(static_cast<int>(type))));
__ push(a1);
__ CallRuntime(Runtime::kNotifyDeoptimized);
-
- __ pop(kInterpreterAccumulatorRegister); // Restore accumulator register.
// Tear down internal frame.
}
- // Drop state (we don't use this for interpreter deopts).
+ // Drop state (we don't use these for interpreter deopts) and and pop the
+ // accumulator value into the accumulator register.
__ Drop(1);
+ __ Pop(kInterpreterAccumulatorRegister);
// Enter the bytecode dispatch.
Generate_EnterBytecodeDispatch(masm);
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