MIPS: port Implement ICs for FastDoubleArray loads and stores

src/mips/macro-assembler-mips.cc

Index: src/mips/macro-assembler-mips.cc
diff --git a/src/mips/macro-assembler-mips.cc b/src/mips/macro-assembler-mips.cc
index 712ceec957a0fd57e0d8b9fafa6c44c5db91dfbf..186bc6b6f78b8331a6f89604e3433d737e4a888b 100644
--- a/src/mips/macro-assembler-mips.cc
+++ b/src/mips/macro-assembler-mips.cc
@@ -3701,6 +3701,8 @@ void MacroAssembler::AssertFastElements(Register elements) {
     lw(elements, FieldMemOperand(elements, HeapObject::kMapOffset));
     LoadRoot(at, Heap::kFixedArrayMapRootIndex);
     Branch(&ok, eq, elements, Operand(at));
+    LoadRoot(at, Heap::kFixedDoubleArrayMapRootIndex);
+    Branch(&ok, eq, elements, Operand(at));
     LoadRoot(at, Heap::kFixedCOWArrayMapRootIndex);
     Branch(&ok, eq, elements, Operand(at));
     Abort("JSObject with fast elements map has slow elements");