MIPS: Fix stack claim and store to slot for large sizes.

src/compiler/mips/instruction-selector-mips.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/base/bits.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 
 namespace v8 {
@@ skipping 487 matching lines @@
         GetFrameStateDescriptor(node->InputAt(descriptor->InputCount()));
   }
 
   CallBuffer buffer(zone(), descriptor, frame_state_descriptor);
 
   // Compute InstructionOperands for inputs and outputs.
   InitializeCallBuffer(node, &buffer, true, false);
   // Possibly align stack here for functions.
   int push_count = buffer.pushed_nodes.size();
   if (push_count > 0) {
-    Emit(kMipsStackClaim | MiscField::encode(push_count), g.NoOutput());
+    Emit(kMipsStackClaim, g.NoOutput(),
+         g.TempImmediate(push_count << kPointerSizeLog2));
   }
   int slot = buffer.pushed_nodes.size() - 1;
   for (auto i = buffer.pushed_nodes.rbegin(); i != buffer.pushed_nodes.rend();
        ++i) {
-    Emit(kMipsStoreToStackSlot | MiscField::encode(slot), g.NoOutput(),
-         g.UseRegister(*i));
+    Emit(kMipsStoreToStackSlot, g.NoOutput(), g.UseRegister(*i),
+         g.TempImmediate(slot << kPointerSizeLog2));
     slot--;
   }
 
   // Pass label of exception handler block.
   CallDescriptor::Flags flags = descriptor->flags();
   if (handler != nullptr) {
     flags |= CallDescriptor::kHasExceptionHandler;
     buffer.instruction_args.push_back(g.Label(handler));
   }
 
@@ skipping 441 matching lines @@
   if (IsMipsArchVariant(kMips32r2) || IsMipsArchVariant(kMips32r6)) {
     return MachineOperatorBuilder::kFloat64RoundDown |
            MachineOperatorBuilder::kFloat64RoundTruncate;
   }
   return MachineOperatorBuilder::kNoFlags;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8