Implement optional turbofan UnalignedLoad and UnalignedStore operators

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 1430 matching lines @@
       break;
     case kMips64Lb:
       __ lb(i.OutputRegister(), i.MemoryOperand());
       break;
     case kMips64Sb:
       __ sb(i.InputRegister(2), i.MemoryOperand());
       break;
     case kMips64Lhu:
       __ lhu(i.OutputRegister(), i.MemoryOperand());
       break;
+    case kMips64Ulhu:
+      __ Ulhu(i.OutputRegister(), i.MemoryOperand());
+      break;
     case kMips64Lh:
       __ lh(i.OutputRegister(), i.MemoryOperand());
       break;
+    case kMips64Ulh:
+      __ Ulh(i.OutputRegister(), i.MemoryOperand());
+      break;
     case kMips64Sh:
       __ sh(i.InputRegister(2), i.MemoryOperand());
       break;
+    case kMips64Ush:
+      __ Ush(i.InputRegister(2), i.MemoryOperand(), kScratchReg);
+      break;
     case kMips64Lw:
       __ lw(i.OutputRegister(), i.MemoryOperand());
       break;
+    case kMips64Ulw:
+      __ Ulw(i.OutputRegister(), i.MemoryOperand());
+      break;
+    case kMips64Lwu:
+      __ lwu(i.OutputRegister(), i.MemoryOperand());
+      break;
+    case kMips64Ulwu:
+      __ Ulwu(i.OutputRegister(), i.MemoryOperand());
+      break;
     case kMips64Ld:
       __ ld(i.OutputRegister(), i.MemoryOperand());
       break;
+    case kMips64Uld:
+      __ Uld(i.OutputRegister(), i.MemoryOperand());
+      break;
     case kMips64Sw:
       __ sw(i.InputRegister(2), i.MemoryOperand());
       break;
+    case kMips64Usw:
+      __ Usw(i.InputRegister(2), i.MemoryOperand());
+      break;
     case kMips64Sd:
       __ sd(i.InputRegister(2), i.MemoryOperand());
       break;
+    case kMips64Usd:
+      __ Usd(i.InputRegister(2), i.MemoryOperand());
+      break;
     case kMips64Lwc1: {
       __ lwc1(i.OutputSingleRegister(), i.MemoryOperand());
       break;
     }
+    case kMips64Ulwc1: {
+      __ Ulwc1(i.OutputSingleRegister(), i.MemoryOperand(), kScratchReg);
+      break;
+    }
     case kMips64Swc1: {
       size_t index = 0;
       MemOperand operand = i.MemoryOperand(&index);
       __ swc1(i.InputSingleRegister(index), operand);
       break;
     }
-    case kMips64Ldc1:
+    case kMips64Uswc1: {
+      size_t index = 0;
+      MemOperand operand = i.MemoryOperand(&index);
+      __ Uswc1(i.InputSingleRegister(index), operand, kScratchReg);
+      break;
+    }
+    case kMips64Ldc1: {
       __ ldc1(i.OutputDoubleRegister(), i.MemoryOperand());
       break;
+    }
+    case kMips64Uldc1:
+      __ Uldc1(i.OutputDoubleRegister(), i.MemoryOperand(), kScratchReg);
+      break;
     case kMips64Sdc1:
       __ sdc1(i.InputDoubleRegister(2), i.MemoryOperand());
       break;
+    case kMips64Usdc1:
+      __ Usdc1(i.InputDoubleRegister(2), i.MemoryOperand(), kScratchReg);
+      break;
     case kMips64Push:
       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 674 matching lines @@
       padding_size -= v8::internal::Assembler::kInstrSize;
     }
   }
 }
 
 #undef __
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8