s390: clean up RR/RRE/RRD/RIL format in Assembler

src/ic/s390/ic-s390.cc

 // 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.
 
 #if V8_TARGET_ARCH_S390
 
 #include "src/ic/ic.h"
 #include "src/codegen.h"
 #include "src/ic/ic-compiler.h"
 #include "src/ic/stub-cache.h"
@@ skipping 340 matching lines @@
 #ifndef V8_TARGET_ARCH_S390X
     patcher.masm()->nop();
 #endif
   }
 
   Condition cc = al;
   if (Instruction::S390OpcodeValue(branch_address) == BRC) {
     cc = static_cast<Condition>((branch_instr & 0x00f00000) >> 20);
     DCHECK((cc == ne) || (cc == eq));
     cc = (cc == ne) ? eq : ne;
-    patcher.masm()->brc(cc, Operand((branch_instr & 0xffff) << 1));
+    patcher.masm()->brc(cc, Operand(branch_instr & 0xffff));
   } else if (Instruction::S390OpcodeValue(branch_address) == BRCL) {
     cc = static_cast<Condition>(
         (branch_instr & (static_cast<uint64_t>(0x00f0) << 32)) >> 36);
     DCHECK((cc == ne) || (cc == eq));
     cc = (cc == ne) ? eq : ne;
-    patcher.masm()->brcl(cc, Operand((branch_instr & 0xffffffff) << 1));
+    patcher.masm()->brcl(cc, Operand(branch_instr & 0xffffffff));
   } else {
     DCHECK(false);
   }
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_S390