[turbofan] Rename floating point register / slot methods.

src/compiler/register-allocator-verifier.cc

Index: src/compiler/register-allocator-verifier.cc
diff --git a/src/compiler/register-allocator-verifier.cc b/src/compiler/register-allocator-verifier.cc
index 9b36b30e0291b2352d1a4e2cc65344d5e97c859f..674671962433f366a92813bc6bea4d68f99ea143 100644
--- a/src/compiler/register-allocator-verifier.cc
+++ b/src/compiler/register-allocator-verifier.cc
@@ -224,7 +224,7 @@ void RegisterAllocatorVerifier::CheckConstraint(
       CHECK(op->IsRegister());
       return;
     case kDoubleRegister:
-      CHECK(op->IsDoubleRegister());
+      CHECK(op->IsFPRegister());
       return;
     case kExplicit:
       CHECK(op->IsExplicit());
@@ -236,7 +236,7 @@ void RegisterAllocatorVerifier::CheckConstraint(
                constraint->value_);
       return;
     case kFixedDoubleRegister:
-      CHECK(op->IsDoubleRegister());
+      CHECK(op->IsFPRegister());
       CHECK_EQ(LocationOperand::cast(op)->GetDoubleRegister().code(),
                constraint->value_);
       return;
@@ -248,13 +248,13 @@ void RegisterAllocatorVerifier::CheckConstraint(
       CHECK(op->IsStackSlot());
       return;
     case kDoubleSlot:
-      CHECK(op->IsDoubleStackSlot());
+      CHECK(op->IsFPStackSlot());
       return;
     case kNone:
       CHECK(op->IsRegister() || op->IsStackSlot());
       return;
     case kNoneDouble:
-      CHECK(op->IsDoubleRegister() || op->IsDoubleStackSlot());
+      CHECK(op->IsFPRegister() || op->IsFPStackSlot());
       return;
     case kSameAsFirst:
       CHECK(false);