[WASM SIMD] Remove opcodes that are slow on some platforms.

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/globals.h"
 #include "src/machine-type.h"
 #include "src/runtime/runtime.h"
@@ skipping 268 matching lines @@
   V(F64AsmjsStoreMem, 0xdf, d_id)      \
   V(I32AsmjsSConvertF32, 0xe0, i_f)    \
   V(I32AsmjsUConvertF32, 0xe1, i_f)    \
   V(I32AsmjsSConvertF64, 0xe2, i_d)    \
   V(I32AsmjsUConvertF64, 0xe3, i_d)
 
 #define FOREACH_SIMD_0_OPERAND_OPCODE(V) \
   V(F32x4Splat, 0xe500, s_f)             \
   V(F32x4Abs, 0xe503, s_s)               \
   V(F32x4Neg, 0xe504, s_s)               \
-  V(F32x4Sqrt, 0xe505, s_s)              \
   V(F32x4RecipApprox, 0xe506, s_s)       \
   V(F32x4RecipSqrtApprox, 0xe507, s_s)   \
   V(F32x4Add, 0xe508, s_ss)              \
   V(F32x4Sub, 0xe509, s_ss)              \
   V(F32x4Mul, 0xe50a, s_ss)              \
-  V(F32x4Div, 0xe50b, s_ss)              \
   V(F32x4Min, 0xe50c, s_ss)              \
   V(F32x4Max, 0xe50d, s_ss)              \
-  V(F32x4MinNum, 0xe50e, s_ss)           \
-  V(F32x4MaxNum, 0xe50f, s_ss)           \
-  V(F32x4RecipRefine, 0xe592, s_ss)      \
-  V(F32x4RecipSqrtRefine, 0xe593, s_ss)  \
   V(F32x4Eq, 0xe510, s1x4_ss)            \
   V(F32x4Ne, 0xe511, s1x4_ss)            \
   V(F32x4Lt, 0xe512, s1x4_ss)            \
   V(F32x4Le, 0xe513, s1x4_ss)            \
   V(F32x4Gt, 0xe514, s1x4_ss)            \
   V(F32x4Ge, 0xe515, s1x4_ss)            \
   V(F32x4SConvertI32x4, 0xe519, s_s)     \
   V(F32x4UConvertI32x4, 0xe51a, s_s)     \
   V(I32x4Splat, 0xe51b, s_i)             \
   V(I32x4Neg, 0xe51e, s_s)               \
@@ skipping 444 matching lines @@
       default:
         return "<unknown>";
     }
   }
 };
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_WASM_OPCODES_H_