Implement optional turbofan UnalignedLoad and UnalignedStore operators

src/compiler/mips/code-generator-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/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 1148 matching lines @@
       break;
     case kMipsLb:
       __ lb(i.OutputRegister(), i.MemoryOperand());
       break;
     case kMipsSb:
       __ sb(i.InputRegister(2), i.MemoryOperand());
       break;
     case kMipsLhu:
       __ lhu(i.OutputRegister(), i.MemoryOperand());
       break;
+    case kMipsUlhu:
+      __ Ulhu(i.OutputRegister(), i.MemoryOperand());
+      break;
     case kMipsLh:
       __ lh(i.OutputRegister(), i.MemoryOperand());
       break;
+    case kMipsUlh:
+      __ Ulh(i.OutputRegister(), i.MemoryOperand());
+      break;
     case kMipsSh:
       __ sh(i.InputRegister(2), i.MemoryOperand());
       break;
+    case kMipsUsh:
+      __ Ush(i.InputRegister(2), i.MemoryOperand(), kScratchReg);
+      break;
     case kMipsLw:
       __ lw(i.OutputRegister(), i.MemoryOperand());
       break;
+    case kMipsUlw:
+      __ Ulw(i.OutputRegister(), i.MemoryOperand());
+      break;
     case kMipsSw:
       __ sw(i.InputRegister(2), i.MemoryOperand());
       break;
+    case kMipsUsw:
+      __ Usw(i.InputRegister(2), i.MemoryOperand());
+      break;
     case kMipsLwc1: {
       __ lwc1(i.OutputSingleRegister(), i.MemoryOperand());
       break;
     }
+    case kMipsUlwc1: {
+      __ lwc1(i.OutputSingleRegister(), i.MemoryOperand());
+      break;
+    }
     case kMipsSwc1: {
       size_t index = 0;
       MemOperand operand = i.MemoryOperand(&index);
       __ swc1(i.InputSingleRegister(index), operand);
       break;
     }
+    case kMipsUswc1: {
+      size_t index = 0;
+      MemOperand operand = i.MemoryOperand(&index);
+      __ Uswc1(i.InputSingleRegister(index), operand, kScratchReg);
+      break;
+    }
     case kMipsLdc1:
       __ ldc1(i.OutputDoubleRegister(), i.MemoryOperand());
       break;
+    case kMipsUldc1:
+      __ Uldc1(i.OutputDoubleRegister(), i.MemoryOperand(), kScratchReg);
+      break;
     case kMipsSdc1:
       __ sdc1(i.InputDoubleRegister(2), i.MemoryOperand());
       break;
+    case kMipsUsdc1:
+      __ Usdc1(i.InputDoubleRegister(2), i.MemoryOperand(), kScratchReg);
+      break;
     case kMipsPush:
       if (instr->InputAt(0)->IsDoubleRegister()) {
         __ sdc1(i.InputDoubleRegister(0), MemOperand(sp, -kDoubleSize));
         __ Subu(sp, sp, Operand(kDoubleSize));
         frame_access_state()->IncreaseSPDelta(kDoubleSize / kPointerSize);
       } else {
         __ Push(i.InputRegister(0));
         frame_access_state()->IncreaseSPDelta(1);
       }
       break;
@@ skipping 658 matching lines @@
       padding_size -= v8::internal::Assembler::kInstrSize;
     }
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8