[wasm] Remove single function JIT support.

src/wasm/wasm-opcodes.h

 // Copyright 2015 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_WASM_OPCODES_H_
 #define V8_WASM_OPCODES_H_
 
 #include "src/machine-type.h"
 #include "src/signature.h"
 
@@ skipping 373 matching lines @@
   V(I8x16Shr_u, 0xe571, s_ss)          \
   V(I8x16Lt_u, 0xe572, s_ss)           \
   V(I8x16Le_u, 0xe573, s_ss)           \
   V(I8x16Gt_u, 0xe574, s_ss)           \
   V(I8x16Ge_u, 0xe575, s_ss)           \
   V(S128And, 0xe576, s_ss)             \
   V(S128Ior, 0xe577, s_ss)             \
   V(S128Xor, 0xe578, s_ss)             \
   V(S128Not, 0xe579, s_s)
 
-// For enabling JIT functionality
-#define FOREACH_JIT_OPCODE(V) V(JITSingleFunction, 0xf0, _)
-
 // All opcodes.
 #define FOREACH_OPCODE(V)        \
   FOREACH_CONTROL_OPCODE(V)      \
   FOREACH_MISC_OPCODE(V)         \
   FOREACH_SIMPLE_OPCODE(V)       \
   FOREACH_SIMPLE_MEM_OPCODE(V)   \
   FOREACH_STORE_MEM_OPCODE(V)    \
   FOREACH_LOAD_MEM_OPCODE(V)     \
   FOREACH_MISC_MEM_OPCODE(V)     \
   FOREACH_ASMJS_COMPAT_OPCODE(V) \
-  FOREACH_SIMD_OPCODE(V)         \
-  FOREACH_JIT_OPCODE(V)
+  FOREACH_SIMD_OPCODE(V)
 
 // All signatures.
 #define FOREACH_SIGNATURE(V)         \
   FOREACH_SIMD_SIGNATURE(V)          \
   V(i_ii, kAstI32, kAstI32, kAstI32) \
   V(i_i, kAstI32, kAstI32)           \
   V(i_v, kAstI32)                    \
   V(i_ff, kAstI32, kAstF32, kAstF32) \
   V(i_f, kAstI32, kAstF32)           \
   V(i_dd, kAstI32, kAstF64, kAstF64) \
@@ skipping 213 matching lines @@
       default:
         return "<unknown>";
     }
   }
 };
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_WASM_OPCODES_H_