[wasm] Implement wasm x64 I16x8 Ops

src/compiler/x64/instruction-selector-x64.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 <algorithm>
 
 #include "src/base/adapters.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
@@ skipping 2420 matching lines @@
                                kAtomic##op##Int16, kAtomic##op##Uint16,     \
                                kAtomic##op##Word32);                        \
   }
 VISIT_ATOMIC_BINOP(Add)
 VISIT_ATOMIC_BINOP(Sub)
 VISIT_ATOMIC_BINOP(And)
 VISIT_ATOMIC_BINOP(Or)
 VISIT_ATOMIC_BINOP(Xor)
 #undef VISIT_ATOMIC_BINOP
 
-#define SIMD_TYPES(V) V(I32x4)
+#define SIMD_TYPES(V) \
+  V(I32x4)            \
+  V(I16x8)
+
+#define SIMD_FORMAT_LIST(V) \
+  V(32x4)                   \
+  V(16x8)
 
 #define SIMD_ZERO_OP_LIST(V) \
   V(S128Zero)                \
   V(S1x4Zero)                \
   V(S1x8Zero)                \
   V(S1x16Zero)
 
-#define SIMD_SHIFT_OPCODES(V) \
-  V(I32x4Shl)                 \
-  V(I32x4ShrS)                \
-  V(I32x4ShrU)
-
 #define SIMD_BINOP_LIST(V) \
   V(I32x4Add)              \
   V(I32x4Sub)              \
   V(I32x4Mul)              \
   V(I32x4MinS)             \
   V(I32x4MaxS)             \
   V(I32x4Eq)               \
   V(I32x4Ne)               \
   V(I32x4MinU)             \
-  V(I32x4MaxU)
+  V(I32x4MaxU)             \
+  V(I16x8Add)              \
+  V(I16x8AddSaturateS)     \
+  V(I16x8Sub)              \
+  V(I16x8SubSaturateS)     \
+  V(I16x8Mul)              \
+  V(I16x8MinS)             \
+  V(I16x8MaxS)             \
+  V(I16x8Eq)               \
+  V(I16x8Ne)               \
+  V(I16x8AddSaturateU)     \
+  V(I16x8SubSaturateU)     \
+  V(I16x8MinU)             \
+  V(I16x8MaxU)
+
+#define SIMD_SHIFT_OPCODES(V) \
+  V(I32x4Shl)                 \
+  V(I32x4ShrS)                \
+  V(I32x4ShrU)                \
+  V(I16x8Shl)                 \
+  V(I16x8ShrS)                \
+  V(I16x8ShrU)
 
 #define VISIT_SIMD_SPLAT(Type)                               \
   void InstructionSelector::Visit##Type##Splat(Node* node) { \
     X64OperandGenerator g(this);                             \
     Emit(kX64##Type##Splat, g.DefineAsRegister(node),        \
          g.Use(node->InputAt(0)));                           \
   }
 SIMD_TYPES(VISIT_SIMD_SPLAT)
 #undef VISIT_SIMD_SPLAT
 
@@ skipping 38 matching lines @@
 
 #define VISIT_SIMD_BINOP(Opcode)                                            \
   void InstructionSelector::Visit##Opcode(Node* node) {                     \
     X64OperandGenerator g(this);                                            \
     Emit(kX64##Opcode, g.DefineSameAsFirst(node),                           \
          g.UseRegister(node->InputAt(0)), g.UseRegister(node->InputAt(1))); \
   }
 SIMD_BINOP_LIST(VISIT_SIMD_BINOP)
 #undef VISIT_SIMD_BINOP
 
-void InstructionSelector::VisitS32x4Select(Node* node) {
-  X64OperandGenerator g(this);
-  Emit(kX64S32x4Select, g.DefineSameAsFirst(node),
-       g.UseRegister(node->InputAt(0)), g.UseRegister(node->InputAt(1)),
-       g.UseRegister(node->InputAt(2)));
-}
+#define SIMD_VISIT_SELECT_OP(format)                                       \
+  void InstructionSelector::VisitS##format##Select(Node* node) {           \
+    X64OperandGenerator g(this);                                           \
+    Emit(kX64S128Select, g.DefineSameAsFirst(node),                        \
+         g.UseRegister(node->InputAt(0)), g.UseRegister(node->InputAt(1)), \
+         g.UseRegister(node->InputAt(2)));                                 \
+  }
+SIMD_FORMAT_LIST(SIMD_VISIT_SELECT_OP)
+#undef SIMD_VISIT_SELECT_OP
 
 void InstructionSelector::VisitInt32AbsWithOverflow(Node* node) {
   UNREACHABLE();
 }
 
 void InstructionSelector::VisitInt64AbsWithOverflow(Node* node) {
   UNREACHABLE();
 }
 
 // static
@@ skipping 22 matching lines @@
 // static
 MachineOperatorBuilder::AlignmentRequirements
 InstructionSelector::AlignmentRequirements() {
   return MachineOperatorBuilder::AlignmentRequirements::
       FullUnalignedAccessSupport();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8