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

Issue 2597163002: Revert of [TypeFeedbackVector] Root literal arrays in function literals slots (Closed)
Patch Set: Created 4 years 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 4842d35244792a266fdb0d5d28f4c15021207574..f0e0d21b25b33d9312f6e57ad9c7e2b6a21aeff4 100644
--- a/src/builtins/mips/builtins-mips.cc
+++ b/src/builtins/mips/builtins-mips.cc
@@ -1360,6 +1360,7 @@
__ lw(index, FieldMemOperand(map, FixedArray::kLengthOffset));
__ Branch(&gotta_call_runtime, lt, index, Operand(Smi::FromInt(2)));
+ // Find literals.
// a3 : native context
// a2 : length / index
// a0 : optimized code map
@@ -1379,6 +1380,20 @@
SharedFunctionInfo::kOffsetToPreviousContext));
__ lw(temp, FieldMemOperand(temp, WeakCell::kValueOffset));
__ Branch(&loop_bottom, ne, temp, Operand(native_context));
+ // Literals available?
+ __ lw(temp, FieldMemOperand(array_pointer,
+ SharedFunctionInfo::kOffsetToPreviousLiterals));
+ __ lw(temp, FieldMemOperand(temp, WeakCell::kValueOffset));
+ __ JumpIfSmi(temp, &gotta_call_runtime);
+
+ // Save the literals in the closure.
+ __ lw(t0, MemOperand(sp, 0));
+ __ sw(temp, FieldMemOperand(t0, JSFunction::kLiteralsOffset));
+ __ push(index);
+ __ RecordWriteField(t0, JSFunction::kLiteralsOffset, temp, index,
+ kRAHasNotBeenSaved, kDontSaveFPRegs, EMIT_REMEMBERED_SET,
+ OMIT_SMI_CHECK);
+ __ pop(index);
// Code available?
Register entry = t0;
@@ -1388,7 +1403,7 @@
__ lw(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.
__ pop(closure);
// Store code entry in the closure.
__ Addu(entry, entry, Operand(Code::kHeaderSize - kHeapObjectTag));
@@ -1423,7 +1438,7 @@
Operand(Smi::FromInt(SharedFunctionInfo::kEntryLength)));
__ Branch(&loop_top, gt, index, Operand(Smi::FromInt(1)));
- // We found no code.
+ // We found neither literals nor code.
__ jmp(&gotta_call_runtime);
__ bind(&try_shared);
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