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Unified Diff: src/builtins/s390/builtins-s390.cc

Issue 2601793002: Revert of "PPC/s390: [TypeFeedbackVector] Root literal arrays in function literals slots" (Closed)
Patch Set: Created 4 years ago
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Index: src/builtins/s390/builtins-s390.cc
diff --git a/src/builtins/s390/builtins-s390.cc b/src/builtins/s390/builtins-s390.cc
index de770969f689926ef4fb8328decd848bea3e0c7c..306769b1871be6d0d5843df0150411226edad986 100644
--- a/src/builtins/s390/builtins-s390.cc
+++ b/src/builtins/s390/builtins-s390.cc
@@ -1374,6 +1374,7 @@ void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
__ CmpSmiLiteral(index, Smi::FromInt(2), r0);
__ blt(&gotta_call_runtime);
+ // Find literals.
// r9 : native context
// r4 : length / index
// r8 : optimized code map
@@ -1394,6 +1395,18 @@ void Builtins::Generate_CompileLazy(MacroAssembler* masm) {
__ LoadP(temp, FieldMemOperand(temp, WeakCell::kValueOffset));
__ CmpP(temp, native_context);
__ bne(&loop_bottom, Label::kNear);
+ // 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, r6,
+ kLRHasNotBeenSaved, kDontSaveFPRegs, EMIT_REMEMBERED_SET,
+ OMIT_SMI_CHECK);
// Code available?
Register entry = r6;
@@ -1403,7 +1416,7 @@ 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.
__ AddP(entry, entry, Operand(Code::kHeaderSize - kHeapObjectTag));
__ StoreP(entry, FieldMemOperand(closure, JSFunction::kCodeEntryOffset), r0);
@@ -1437,7 +1450,7 @@ 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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