MIPS: Fix '[turbofan]: Support using push instructions for setting up tail call parameters'

src/compiler/mips64/code-generator-mips64.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/ast/scopes.h"
 #include "src/compiler/code-generator.h"
 #include "src/compiler/code-generator-impl.h"
 #include "src/compiler/gap-resolver.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/osr.h"
@@ skipping 552 matching lines @@
                                    FrameAccessState* state,
                                    int new_slot_above_sp,
                                    bool allow_shrinkage = true) {
   int current_sp_offset = state->GetSPToFPSlotCount() +
                           StandardFrameConstants::kFixedSlotCountAboveFp;
   int stack_slot_delta = new_slot_above_sp - current_sp_offset;
   if (stack_slot_delta > 0) {
     masm->Dsubu(sp, sp, stack_slot_delta * kPointerSize);
     state->IncreaseSPDelta(stack_slot_delta);
   } else if (allow_shrinkage && stack_slot_delta < 0) {
-    masm->Daddu(sp, sp, stack_slot_delta * kPointerSize);
+    masm->Daddu(sp, sp, -stack_slot_delta * kPointerSize);
     state->IncreaseSPDelta(stack_slot_delta);
   }
 }
 
 }  // namespace
 
 void CodeGenerator::AssembleTailCallBeforeGap(Instruction* instr,
                                               int first_unused_stack_slot) {
   AdjustStackPointerForTailCall(masm(), frame_access_state(),
                                 first_unused_stack_slot, false);
@@ skipping 1788 matching lines @@
       padding_size -= v8::internal::Assembler::kInstrSize;
     }
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8