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

Issue 1684073002: [Interpreter] Save and restore dispatch table pointer during calls. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@int_assm
Patch Set: Update for off-heap dispatch table and address review comments Created 4 years, 10 months ago
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Index: src/arm/builtins-arm.cc
diff --git a/src/arm/builtins-arm.cc b/src/arm/builtins-arm.cc
index 236848b71740b7d7eb7e65601c4cc87198689aa3..ed5f66a17d3700b5861020bb26ba880406ab6da7 100644
--- a/src/arm/builtins-arm.cc
+++ b/src/arm/builtins-arm.cc
@@ -987,6 +987,10 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
__ add(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp));
__ push(r3);
+ // Push dispatch table pointer.
+ __ mov(r0, Operand(ExternalReference::interpreter_dispatch_table_address(
+ masm->isolate())));
+ __ push(r0);
// Push zero for bytecode array offset.
__ mov(r0, Operand(0));
__ push(r0);
@@ -1048,9 +1052,8 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
Operand(InterpreterFrameConstants::kRegisterFilePointerFromFp));
__ mov(kInterpreterBytecodeOffsetRegister,
Operand(BytecodeArray::kHeaderSize - kHeapObjectTag));
- __ mov(kInterpreterDispatchTableRegister,
- Operand(ExternalReference::interpreter_dispatch_table_address(
- masm->isolate())));
+ __ ldr(kInterpreterDispatchTableRegister,
+ MemOperand(fp, InterpreterFrameConstants::kDispatchTableFromFp));
// Dispatch to the first bytecode handler for the function.
__ ldrb(r1, MemOperand(kInterpreterBytecodeArrayRegister,
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