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Unified Diff: src/builtins/arm/builtins-arm.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/arm/builtins-arm.cc
diff --git a/src/builtins/arm/builtins-arm.cc b/src/builtins/arm/builtins-arm.cc
index f8d01e9b9b7e7a18a233e5ce9f1903d7f1ed3e06..e2ac3ae5682a86441374008a10b7eb66fc0958c9 100644
--- a/src/builtins/arm/builtins-arm.cc
+++ b/src/builtins/arm/builtins-arm.cc
@@ -1350,6 +1350,7 @@
__ cmp(index, Operand(Smi::FromInt(2)));
__ b(lt, &gotta_call_runtime);
+ // Find literals.
// r3 : native context
// r2 : length / index
// r0 : optimized code map
@@ -1369,6 +1370,20 @@
__ ldr(temp, FieldMemOperand(temp, WeakCell::kValueOffset));
__ cmp(temp, native_context);
__ b(ne, &loop_bottom);
+ // Literals available?
+ __ ldr(temp, FieldMemOperand(array_pointer,
+ SharedFunctionInfo::kOffsetToPreviousLiterals));
+ __ ldr(temp, FieldMemOperand(temp, WeakCell::kValueOffset));
+ __ JumpIfSmi(temp, &gotta_call_runtime);
+
+ // Save the literals in the closure.
+ __ ldr(r4, MemOperand(sp, 0));
+ __ str(temp, FieldMemOperand(r4, JSFunction::kLiteralsOffset));
+ __ push(index);
+ __ RecordWriteField(r4, JSFunction::kLiteralsOffset, temp, index,
+ kLRHasNotBeenSaved, kDontSaveFPRegs, EMIT_REMEMBERED_SET,
+ OMIT_SMI_CHECK);
+ __ pop(index);
// Code available?
Register entry = r4;
@@ -1378,7 +1393,7 @@
__ ldr(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.
__ add(entry, entry, Operand(Code::kHeaderSize - kHeapObjectTag));
@@ -1413,7 +1428,7 @@
__ cmp(index, Operand(Smi::FromInt(1)));
__ b(gt, &loop_top);
- // We found no code.
+ // We found neither literals nor code.
__ jmp(&gotta_call_runtime);
__ bind(&try_shared);
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