MIPS: Refactoring and cleanup of control instructions.

Port r15513 (6f50861)

BUG=

Review URL: https://codereview.chromium.org/18359004
Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15527 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/mips/lithium-codegen-mips.cc

@@ -2202,7 +2202,7 @@ Condition LCodeGen::TokenToCondition(Token::Value op, bool is_unsigned) {
 }
 
 
-void LCodeGen::DoCmpIDAndBranch(LCmpIDAndBranch* instr) {
+void LCodeGen::DoCompareNumericAndBranch(LCompareNumericAndBranch* instr) {
   LOperand* left = instr->left();
   LOperand* right = instr->right();
   Condition cond = TokenToCondition(instr->op(), false);

src/mips/lithium-mips.cc

@@ -187,7 +187,7 @@ LInstruction* LChunkBuilder::DoDebugBreak(HDebugBreak* instr) {
 }
 
 
-void LCmpIDAndBranch::PrintDataTo(StringStream* stream) {
+void LCompareNumericAndBranch::PrintDataTo(StringStream* stream) {
   stream->Add("if ");
   left()->PrintTo(stream);
   stream->Add(" %s ", Token::String(op()));
@@ -1606,8 +1606,8 @@ LInstruction* LChunkBuilder::DoCompareGeneric(HCompareGeneric* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoCompareIDAndBranch(
-    HCompareIDAndBranch* instr) {
+LInstruction* LChunkBuilder::DoCompareNumericAndBranch(
+    HCompareNumericAndBranch* instr) {
   Representation r = instr->representation();
   if (r.IsSmiOrInteger32()) {
     ASSERT(instr->left()->representation().IsSmiOrInteger32());
@@ -1615,14 +1615,14 @@ LInstruction* LChunkBuilder::DoCompareIDAndBranch(
         instr->right()->representation()));
     LOperand* left = UseRegisterOrConstantAtStart(instr->left());
     LOperand* right = UseRegisterOrConstantAtStart(instr->right());
-    return new(zone()) LCmpIDAndBranch(left, right);
+    return new(zone()) LCompareNumericAndBranch(left, right);
   } else {
     ASSERT(r.IsDouble());
     ASSERT(instr->left()->representation().IsDouble());
     ASSERT(instr->right()->representation().IsDouble());
     LOperand* left = UseRegisterAtStart(instr->left());
     LOperand* right = UseRegisterAtStart(instr->right());
-    return new(zone()) LCmpIDAndBranch(left, right);
+    return new(zone()) LCompareNumericAndBranch(left, right);
   }
 }
 

src/mips/lithium-mips.h

@@ -81,7 +81,7 @@ class LCodeGen;
   V(ClampTToUint8)                              \
   V(ClassOfTestAndBranch)                       \
   V(CmpConstantEqAndBranch)                     \
-  V(CmpIDAndBranch)                             \
+  V(CompareNumericAndBranch)                    \
   V(CmpObjectEqAndBranch)                       \
   V(CmpMapAndBranch)                            \
   V(CmpT)                                       \
@@ -712,9 +712,9 @@ class LDebugBreak: public LTemplateInstruction<0, 0, 0> {
 };
 
 
-class LCmpIDAndBranch: public LControlInstruction<2, 0> {
+class LCompareNumericAndBranch: public LControlInstruction<2, 0> {
  public:
-  LCmpIDAndBranch(LOperand* left, LOperand* right) {
+  LCompareNumericAndBranch(LOperand* left, LOperand* right) {
     inputs_[0] = left;
     inputs_[1] = right;
   }
@@ -722,8 +722,9 @@ class LCmpIDAndBranch: public LControlInstruction<2, 0> {
   LOperand* left() { return inputs_[0]; }
   LOperand* right() { return inputs_[1]; }
 
-  DECLARE_CONCRETE_INSTRUCTION(CmpIDAndBranch, "cmp-id-and-branch")
-  DECLARE_HYDROGEN_ACCESSOR(CompareIDAndBranch)
+  DECLARE_CONCRETE_INSTRUCTION(CompareNumericAndBranch,
+                               "compare-numeric-and-branch")
+  DECLARE_HYDROGEN_ACCESSOR(CompareNumericAndBranch)
 
   Token::Value op() const { return hydrogen()->token(); }
   bool is_double() const {