[Arm]: Assert that movw/movt is only emitted for Armv7 targets

src/arm/assembler-arm.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 1477 matching lines @@
     emit(link);
     nop(dst.code());
     if (!CpuFeatures::IsSupported(ARMv7)) {
       nop(dst.code());
     }
   }
 }
 
 
 void Assembler::movw(Register reg, uint32_t immediate, Condition cond) {
+  ASSERT(CpuFeatures::IsSupported(ARMv7));
   emit(cond | 0x30*B20 | reg.code()*B12 | EncodeMovwImmediate(immediate));
 }
 
 
 void Assembler::movt(Register reg, uint32_t immediate, Condition cond) {
+  ASSERT(CpuFeatures::IsSupported(ARMv7));
   emit(cond | 0x34*B20 | reg.code()*B12 | EncodeMovwImmediate(immediate));
 }
 
 
 void Assembler::bic(Register dst, Register src1, const Operand& src2,
                     SBit s, Condition cond) {
   addrmod1(cond | BIC | s, src1, dst, src2);
 }
 
 
@@ skipping 2218 matching lines @@
       assm->instr_at_put(
           rinfo.pc(), Assembler::SetLdrRegisterImmediateOffset(instr, offset));
     }
   }
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM