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

Issue 2402663002: Reland "[turbofan] Discard the shared code entry in the optimized code map." (Closed)
Patch Set: Patch failure(?) Created 4 years, 2 months ago
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Index: src/builtins/mips/builtins-mips.cc
diff --git a/src/builtins/mips/builtins-mips.cc b/src/builtins/mips/builtins-mips.cc
index e0ba0810e14b5f38a93e449926367b45a87d9b02..c470c547d6b920ece32093fb868ea5ae66e31d34 100644
--- a/src/builtins/mips/builtins-mips.cc
+++ b/src/builtins/mips/builtins-mips.cc
@@ -1371,7 +1371,6 @@ void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
// -----------------------------------
// First lookup code, maybe we don't need to compile!
Label gotta_call_runtime, gotta_call_runtime_no_stack;
- Label maybe_call_runtime;
Label try_shared;
Label loop_top, loop_bottom;
@@ -1435,15 +1434,12 @@ void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
FieldMemOperand(array_pointer,
SharedFunctionInfo::kOffsetToPreviousCachedCode));
__ lw(entry, FieldMemOperand(entry, WeakCell::kValueOffset));
- __ JumpIfSmi(entry, &maybe_call_runtime);
+ __ JumpIfSmi(entry, &try_shared);
// Found literals and code. Get them into the closure and return.
__ pop(closure);
// Store code entry in the closure.
__ Addu(entry, entry, Operand(Code::kHeaderSize - kHeapObjectTag));
-
- Label install_optimized_code_and_tailcall;
- __ bind(&install_optimized_code_and_tailcall);
__ sw(entry, FieldMemOperand(closure, JSFunction::kCodeEntryOffset));
__ RecordWriteCodeEntryField(closure, entry, t1);
@@ -1478,20 +1474,8 @@ void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
// We found neither literals nor code.
__ jmp(&gotta_call_runtime);
- __ bind(&maybe_call_runtime);
- __ pop(closure);
-
- // Last possibility. Check the context free optimized code map entry.
- __ lw(entry, FieldMemOperand(map, FixedArray::kHeaderSize +
- SharedFunctionInfo::kSharedCodeIndex));
- __ lw(entry, FieldMemOperand(entry, WeakCell::kValueOffset));
- __ JumpIfSmi(entry, &try_shared);
-
- // Store code entry in the closure.
- __ Addu(entry, entry, Operand(Code::kHeaderSize - kHeapObjectTag));
- __ jmp(&install_optimized_code_and_tailcall);
-
__ bind(&try_shared);
+ __ pop(closure);
__ pop(new_target);
__ pop(argument_count);
// Is the full code valid?
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