Reduce the amount of full code generated to fill out array literals.

src/arm/code-stubs-arm.cc

Index: src/arm/code-stubs-arm.cc
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
index 52efd5fb522fe66fa70f1a623e572fbc8fd16af7..e75e7f7081668211888e80f39a8d1462133a90ea 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -7055,10 +7055,10 @@ void RecordWriteStub::CheckNeedsToInformIncrementalMarker(
 void StoreArrayLiteralElementStub::Generate(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r0    : element value to store
-  //  -- r1    : array literal
-  //  -- r2    : map of array literal
   //  -- r3    : element index as smi
-  //  -- r4    : array literal index in function as smi
+  //  -- sp[0] : array literal index in function as smi
+  //  -- sp[4] : array literal
+  // clobbers r1, r2, r4
   // -----------------------------------
 
   Label element_done;
@@ -7067,6 +7067,11 @@ void StoreArrayLiteralElementStub::Generate(MacroAssembler* masm) {
   Label slow_elements;
   Label fast_elements;
 
+  // Get array literal index, array literal and its map.
+  __ ldr(r4, MemOperand(sp, 0 * kPointerSize));
+  __ ldr(r1, MemOperand(sp, 1 * kPointerSize));
+  __ ldr(r2, FieldMemOperand(r1, JSObject::kMapOffset));
+
   __ CheckFastElements(r2, r5, &double_elements);
   // FAST_*_SMI_ELEMENTS or FAST_*_ELEMENTS
   __ JumpIfSmi(r0, &smi_element);