[v8-dev] MIPS: Removed unused variables. (issue 10253004)

Fri, 27 Apr 2012 04:32:43 -0700 

Reviewers: danno, Paul Lind, kisg, palfia,

Description:
MIPS: Removed unused variables.

These were found by compilation errors with gcc 4.6.

BUG=
TEST=


Please review this at http://codereview.chromium.org/10253004/

SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge

Affected files:
  M src/mips/code-stubs-mips.cc
  M src/mips/full-codegen-mips.cc
  M src/mips/lithium-codegen-mips.cc
  M src/mips/lithium-mips.cc
  M src/mips/stub-cache-mips.cc


Index: src/mips/code-stubs-mips.cc
diff --git a/src/mips/code-stubs-mips.cc b/src/mips/code-stubs-mips.cc
index bd353d98c8728aa046b5089d27dab407167b8e65..f3dd95b851453cff69a738b4d7fc52cf0ff89461 100644 
--- a/src/mips/code-stubs-mips.cc
+++ b/src/mips/code-stubs-mips.cc
@@ -2754,7 +2754,6 @@ void BinaryOpStub::GenerateSmiCode(
   Register left = a1;
   Register right = a0;
   Register scratch1 = t3;
-  Register scratch2 = t5;

   // Perform combined smi check on both operands.
   __ Or(scratch1, left, Operand(right));
@@ -3459,7 +3458,6 @@ void TranscendentalCacheStub::Generate(MacroAssembler* masm) { 

     Label no_update;
     Label skip_cache;
-    const Register heap_number_map = t2;

     // Call C function to calculate the result and update the cache.
     // Register a0 holds precalculated cache entry address; preserve
Index: src/mips/full-codegen-mips.cc
diff --git a/src/mips/full-codegen-mips.cc b/src/mips/full-codegen-mips.cc
index 7456510584eb47a72d29a2183b9021c3792ca0e6..4ffd0ea01163fee05390fcf6e3e50931eadf086b 100644 
--- a/src/mips/full-codegen-mips.cc
+++ b/src/mips/full-codegen-mips.cc
@@ -3750,7 +3750,6 @@ void FullCodeGenerator::EmitFastAsciiArrayJoin(CallRuntime* expr) { 
   Register scratch1 = t3;
   Register scratch2 = t5;
   Register scratch3 = t4;
-  Register scratch4 = v1;

   // Separator operand is on the stack.
   __ pop(separator);
Index: src/mips/lithium-codegen-mips.cc
diff --git a/src/mips/lithium-codegen-mips.cc b/src/mips/lithium-codegen-mips.cc index 9514710134592cbc88c08850ec7a087c30dd2793..c0323e3521b7b3602e17422e4ae033ac99a3f701 100644 
--- a/src/mips/lithium-codegen-mips.cc
+++ b/src/mips/lithium-codegen-mips.cc
@@ -2832,7 +2832,6 @@ void LCodeGen::DoDeclareGlobals(LDeclareGlobals* instr) { 


 void LCodeGen::DoGlobalObject(LGlobalObject* instr) {
-  Register context = ToRegister(instr->context());
   Register result = ToRegister(instr->result());
   __ lw(result, ContextOperand(cp, Context::GLOBAL_INDEX));
 }
@@ -4156,7 +4155,6 @@ void LCodeGen::DoDoubleToI(LDoubleToI* instr) {
   Register scratch1 = scratch0();
   Register scratch2 = ToRegister(instr->TempAt(0));
   DoubleRegister double_input = ToDoubleRegister(instr->InputAt(0));
-  DoubleRegister double_scratch = double_scratch0();
   FPURegister single_scratch = double_scratch0().low();

   if (instr->truncating()) {
Index: src/mips/lithium-mips.cc
diff --git a/src/mips/lithium-mips.cc b/src/mips/lithium-mips.cc
index 6107c0b7fd9dbd79604f223c84e1e7aaf7e8b53f..1eb3ab7a0ed5bf671845c947e0391719670b921b 100644 
--- a/src/mips/lithium-mips.cc
+++ b/src/mips/lithium-mips.cc
@@ -1442,7 +1442,6 @@ LInstruction* LChunkBuilder::DoRandom(HRandom* instr) { 


 LInstruction* LChunkBuilder::DoCompareGeneric(HCompareGeneric* instr) {
-  Representation r = instr->GetInputRepresentation();
   ASSERT(instr->left()->representation().IsTagged());
   ASSERT(instr->right()->representation().IsTagged());
   LOperand* left = UseFixed(instr->left(), a1);
Index: src/mips/stub-cache-mips.cc
diff --git a/src/mips/stub-cache-mips.cc b/src/mips/stub-cache-mips.cc
index dc2a35736c6678d227faaf838bef19bc55f3af2f..e2e69c8f52bfa29df06422b31915f0e838f73ad2 100644 
--- a/src/mips/stub-cache-mips.cc
+++ b/src/mips/stub-cache-mips.cc
@@ -1176,9 +1176,8 @@ void StubCompiler::GenerateLoadConstant(Handle<JSObject> object, 
   __ JumpIfSmi(receiver, miss, scratch1);

   // Check that the maps haven't changed.
-  Register reg =
-      CheckPrototypes(object, receiver, holder,
-                      scratch1, scratch2, scratch3, name, miss);
+  CheckPrototypes(object, receiver, holder,
+                  scratch1, scratch2, scratch3, name, miss);

   // Return the constant value.
   __ LoadHeapObject(v0, value);
@@ -4273,7 +4272,6 @@ void KeyedStoreStubCompiler::GenerateStoreFastElement(
   Register elements_reg = a3;
   Register length_reg = t1;
   Register scratch2 = t2;
-  Register scratch3 = t3;

   // This stub is meant to be tail-jumped to, the receiver must already
   // have been verified by the caller to not be a smi.


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