[Turbofan] Add more integer SIMD operations for ARM.

src/compiler/code-generator-impl.h

 // Copyright 2013 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.
 
 #ifndef V8_COMPILER_CODE_GENERATOR_IMPL_H_
 #define V8_COMPILER_CODE_GENERATOR_IMPL_H_
 
 #include "src/code-stubs.h"
 #include "src/compiler/code-generator.h"
 #include "src/compiler/instruction.h"
@@ skipping 49 matching lines @@
   }
 
   int8_t InputInt8(size_t index) {
     return static_cast<int8_t>(InputInt32(index));
   }
 
   int16_t InputInt16(size_t index) {
     return static_cast<int16_t>(InputInt32(index));
   }
 
+  uint8_t InputInt3(size_t index) {
+    return static_cast<uint8_t>(InputInt32(index) & 0x7);
+  }
+
+  uint8_t InputInt4(size_t index) {
+    return static_cast<uint8_t>(InputInt32(index) & 0xF);
+  }
+
   uint8_t InputInt5(size_t index) {
     return static_cast<uint8_t>(InputInt32(index) & 0x1F);
   }
 
   uint8_t InputInt6(size_t index) {
     return static_cast<uint8_t>(InputInt32(index) & 0x3F);
   }
 
   ExternalReference InputExternalReference(size_t index) {
     return ToExternalReference(instr_->InputAt(index));
@@ skipping 133 matching lines @@
 #if V8_TARGET_ARCH_ARM64 || V8_TARGET_ARCH_ARM
   masm->CheckConstPool(true, false);
 #endif
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_CODE_GENERATOR_IMPL_H