ARM: use existing transcendental cache stub for tagged inputs.

Review URL: http://codereview.chromium.org/6167004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6261 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/lithium-arm.h

@@ -445,6 +445,10 @@ class LCallStub: public LInstruction {
  public:
   DECLARE_CONCRETE_INSTRUCTION(CallStub, "call-stub")
   DECLARE_HYDROGEN_ACCESSOR(CallStub)
+
+  TranscendentalCache::Type transcendental_type() {
+    return hydrogen()->transcendental_type();
+  }
 };
 
 

src/arm/lithium-codegen-arm.cc

@@ -771,7 +771,9 @@ void LCodeGen::DoCallStub(LCallStub* instr) {
       break;
     }
     case CodeStub::TranscendentalCache: {
-      Abort("TranscendentalCache unimplemented.");
+      __ ldr(r0, MemOperand(sp, 0));
+      TranscendentalCacheStub stub(instr->transcendental_type());
+      CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
       break;
     }
     default:
@@ -1482,9 +1484,11 @@ void LCodeGen::DoCmpT(LCmpT* instr) {
     condition = ReverseCondition(condition);
   }
   __ cmp(r0, Operand(0));
-  __ LoadRoot(ToRegister(instr->result()), Heap::kTrueValueRootIndex,
+  __ LoadRoot(ToRegister(instr->result()),
+              Heap::kTrueValueRootIndex,
               condition);
-  __ LoadRoot(ToRegister(instr->result()), Heap::kFalseValueRootIndex,
+  __ LoadRoot(ToRegister(instr->result()),
+              Heap::kFalseValueRootIndex,
               NegateCondition(condition));
 }