[Turbofan] Add Simd128 registers to RegisterConfiguration.

src/compiler/move-optimizer.cc

Index: src/compiler/move-optimizer.cc
diff --git a/src/compiler/move-optimizer.cc b/src/compiler/move-optimizer.cc
index 4753d15979a99fcb0f39e59db9ab3f6a1d979938..0c1132e6af6a572309ff9cddb79fbd8e42dc1f0f 100644
--- a/src/compiler/move-optimizer.cc
+++ b/src/compiler/move-optimizer.cc
@@ -32,26 +32,41 @@ bool Blocks(const OperandSet& set, const InstructionOperand& operand) {
   // Only FP registers on archs with non-simple aliasing need extra checks.
   if (!operand.IsFPRegister() || kSimpleFPAliasing) return false;
 
+  // Check operand against operands of other FP types for interference.
   const LocationOperand& loc = LocationOperand::cast(operand);
   MachineRepresentation rep = loc.representation();
-  MachineRepresentation other_fp_rep = rep == MachineRepresentation::kFloat64
-                                           ? MachineRepresentation::kFloat32
-                                           : MachineRepresentation::kFloat64;
+  MachineRepresentation other_rep1, other_rep2;
+  switch (rep) {
+    case MachineRepresentation::kFloat32:
+      other_rep1 = MachineRepresentation::kFloat64;
+      other_rep2 = MachineRepresentation::kSimd128;
+      break;
+    case MachineRepresentation::kFloat64:
+      other_rep1 = MachineRepresentation::kFloat32;
+      other_rep2 = MachineRepresentation::kSimd128;
+      break;
+    case MachineRepresentation::kSimd128:
+      other_rep1 = MachineRepresentation::kFloat32;
+      other_rep2 = MachineRepresentation::kFloat64;
+      break;
+    default:
+      UNREACHABLE();
+      break;
+  }
   const RegisterConfiguration* config = RegisterConfiguration::Turbofan();
-  if (config->fp_aliasing_kind() != RegisterConfiguration::COMBINE) {
-    // Overlap aliasing case.
-    return set.find(LocationOperand(loc.kind(), loc.location_kind(),
-                                    other_fp_rep, loc.register_code())) !=
-           set.end();
-  }
-  // Combine aliasing case.
-  int alias_base_index = -1;
-  int aliases = config->GetAliases(rep, loc.register_code(), other_fp_rep,
-                                   &alias_base_index);
+  int base = -1;
+  int aliases = config->GetAliases(rep, loc.register_code(), other_rep1, &base);
+  DCHECK(aliases > 0 || (aliases == 0 && base == -1));
+  while (aliases--) {
+    if (set.find(LocationOperand(loc.kind(), loc.location_kind(), other_rep1,
+                                 base + aliases)) != set.end())
+      return true;
+  }
+  aliases = config->GetAliases(rep, loc.register_code(), other_rep2, &base);
+  DCHECK(aliases > 0 || (aliases == 0 && base == -1));
   while (aliases--) {
-    int aliased_reg = alias_base_index + aliases;
-    if (set.find(LocationOperand(loc.kind(), loc.location_kind(), other_fp_rep,
-                                 aliased_reg)) != set.end())
+    if (set.find(LocationOperand(loc.kind(), loc.location_kind(), other_rep2,
+                                 base + aliases)) != set.end())
       return true;
   }
   return false;