[wasm] Int64Lowering of Int64Sub on ia32 and arm.

src/compiler/arm/instruction-codes-arm.h

 // 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.
 
 #ifndef V8_COMPILER_ARM_INSTRUCTION_CODES_ARM_H_
 #define V8_COMPILER_ARM_INSTRUCTION_CODES_ARM_H_
 
 namespace v8 {
 namespace internal {
 namespace compiler {
@@ skipping 29 matching lines @@
   V(ArmSxtb)                       \
   V(ArmSxth)                       \
   V(ArmSxtab)                      \
   V(ArmSxtah)                      \
   V(ArmUxtb)                       \
   V(ArmUxth)                       \
   V(ArmUxtab)                      \
   V(ArmRbit)                       \
   V(ArmUxtah)                      \
   V(ArmAddPair)                    \
+  V(ArmSubPair)                    \
   V(ArmPairLsl)                    \
   V(ArmVcmpF32)                    \
   V(ArmVaddF32)                    \
   V(ArmVsubF32)                    \
   V(ArmVmulF32)                    \
   V(ArmVmlaF32)                    \
   V(ArmVmlsF32)                    \
   V(ArmVdivF32)                    \
   V(ArmVabsF32)                    \
   V(ArmVnegF32)                    \
@@ skipping 64 matching lines @@
   V(Operand2_R_ASR_R) /* %r0 ASR %r1 */ \
   V(Operand2_R_LSL_R) /* %r0 LSL %r1 */ \
   V(Operand2_R_LSR_R) /* %r0 LSR %r1 */ \
   V(Operand2_R_ROR_R) /* %r0 ROR %r1 */
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_ARM_INSTRUCTION_CODES_ARM_H_