[intrinsics] Nuke %HasCachedArrayIndex and %GetCachedArrayIndex.

src/ia32/macro-assembler-ia32.cc

Index: src/ia32/macro-assembler-ia32.cc
diff --git a/src/ia32/macro-assembler-ia32.cc b/src/ia32/macro-assembler-ia32.cc
index fa340a263a6be22e5ec383b9c0958a0ce6fdff63..1282af7f9f298ff2458d3c1b3068d16fff4a7c88 100644
--- a/src/ia32/macro-assembler-ia32.cc
+++ b/src/ia32/macro-assembler-ia32.cc
@@ -2063,20 +2063,6 @@ bool MacroAssembler::AllowThisStubCall(CodeStub* stub) {
   return has_frame_ || !stub->SometimesSetsUpAFrame();
 }
 
-
-void MacroAssembler::IndexFromHash(Register hash, Register index) {
-  // 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));
-  if (!index.is(hash)) {
-    mov(index, hash);
-  }
-  DecodeFieldToSmi<String::ArrayIndexValueBits>(index);
-}
-
-
 void MacroAssembler::CallRuntime(const Runtime::Function* f,
                                  int num_arguments,
                                  SaveFPRegsMode save_doubles) {