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

Issue 2642743002: Revert [TypeFeedbackVector] Root literal arrays in function literal slots (Closed)
Patch Set: Altered test for wasm. Created 3 years, 11 months ago
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Index: src/builtins/ppc/builtins-ppc.cc
diff --git a/src/builtins/ppc/builtins-ppc.cc b/src/builtins/ppc/builtins-ppc.cc
index 6fdb012fe84d2d6e4682eb26dba29c20004544c4..045fd0e9d52d0558b18415254261b01817af94f8 100644
--- a/src/builtins/ppc/builtins-ppc.cc
+++ b/src/builtins/ppc/builtins-ppc.cc
@@ -1363,12 +1363,6 @@ void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
Register closure = r4;
Register map = r9;
Register index = r5;
-
- // Do we have a valid feedback vector?
- __ LoadP(index, FieldMemOperand(closure, JSFunction::kLiteralsOffset));
- __ LoadP(index, FieldMemOperand(index, LiteralsArray::kFeedbackVectorOffset));
- __ JumpIfRoot(index, Heap::kUndefinedValueRootIndex, &gotta_call_runtime);
-
__ LoadP(map,
FieldMemOperand(closure, JSFunction::kSharedFunctionInfoOffset));
__ LoadP(map,
@@ -1377,6 +1371,7 @@ void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
__ CmpSmiLiteral(index, Smi::FromInt(2), r0);
__ blt(&gotta_call_runtime);
+ // Find literals.
// r10 : native context
// r5 : length / index
// r9 : optimized code map
@@ -1397,6 +1392,18 @@ void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
__ LoadP(temp, FieldMemOperand(temp, WeakCell::kValueOffset));
__ cmp(temp, native_context);
__ bne(&loop_bottom);
+ // Literals available?
+ __ LoadP(temp,
+ FieldMemOperand(array_pointer,
+ SharedFunctionInfo::kOffsetToPreviousLiterals));
+ __ LoadP(temp, FieldMemOperand(temp, WeakCell::kValueOffset));
+ __ JumpIfSmi(temp, &gotta_call_runtime);
+
+ // Save the literals in the closure.
+ __ StoreP(temp, FieldMemOperand(closure, JSFunction::kLiteralsOffset), r0);
+ __ RecordWriteField(closure, JSFunction::kLiteralsOffset, temp, r7,
+ kLRHasNotBeenSaved, kDontSaveFPRegs, EMIT_REMEMBERED_SET,
+ OMIT_SMI_CHECK);
// Code available?
Register entry = r7;
@@ -1406,7 +1413,7 @@ void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
__ LoadP(entry, FieldMemOperand(entry, WeakCell::kValueOffset));
__ JumpIfSmi(entry, &try_shared);
- // Found code. Get it into the closure and return.
+ // Found literals and code. Get them into the closure and return.
// Store code entry in the closure.
__ addi(entry, entry, Operand(Code::kHeaderSize - kHeapObjectTag));
__ StoreP(entry, FieldMemOperand(closure, JSFunction::kCodeEntryOffset), r0);
@@ -1440,7 +1447,7 @@ void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
__ CmpSmiLiteral(index, Smi::FromInt(1), r0);
__ bgt(&loop_top);
- // We found no code.
+ // We found neither literals nor code.
__ b(&gotta_call_runtime);
__ bind(&try_shared);
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