[intrinsics] Nuke %HasCachedArrayIndex and %GetCachedArrayIndex.

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 6c60cfe57603ee7e797d3a951e1df67382c9ff45..524b535688a2eb7a00581ef35b96be971d8c5c22 100644
--- a/src/mips/macro-assembler-mips.cc
+++ b/src/mips/macro-assembler-mips.cc
@@ -5249,18 +5249,6 @@ bool MacroAssembler::AllowThisStubCall(CodeStub* stub) {
   return has_frame_ || !stub->SometimesSetsUpAFrame();
 }
 
-
-void MacroAssembler::IndexFromHash(Register hash, Register index) {
-  // If the hash field contains an array index pick it out. The assert checks
-  // that the constants for the maximum number of digits for an array index
-  // cached in the hash field and the number of bits reserved for it does not
-  // conflict.
-  DCHECK(TenToThe(String::kMaxCachedArrayIndexLength) <
-         (1 << String::kArrayIndexValueBits));
-  DecodeFieldToSmi<String::ArrayIndexValueBits>(index, hash);
-}
-
-
 void MacroAssembler::ObjectToDoubleFPURegister(Register object,
                                                FPURegister result,
                                                Register scratch1,