s390: implement atomic exchange on TF

src/s390/disasm-s390.cc

 // 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.
 
 // A Disassembler object is used to disassemble a block of code instruction by
 // instruction. The default implementation of the NameConverter object can be
 // overriden to modify register names or to do symbol lookup on addresses.
 //
 // The example below will disassemble a block of code and print it to stdout.
 //
@@ skipping 622 matching lines @@
       break;
     case TMLL:
       Format(instr, "tmll\t'r1,'i1");
       break;
     case STM:
       Format(instr, "stm\t'r1,'r2,'d1('r3)");
       break;
     case LM:
       Format(instr, "lm\t'r1,'r2,'d1('r3)");
       break;
+    case CS:
+      Format(instr, "cs\t'r1,'r2,'d1('r3)");
+      break;
     case SLL:
       Format(instr, "sll\t'r1,'d1('r3)");
       break;
     case SRL:
       Format(instr, "srl\t'r1,'d1('r3)");
       break;
     case SLA:
       Format(instr, "sla\t'r1,'d1('r3)");
       break;
     case SRA:
@@ skipping 548 matching lines @@
       break;
     case LOC:
       Format(instr, "loc\t'm2,'r1,'d2('r3)");
       break;
     case LMY:
       Format(instr, "lmy\t'r1,'r2,'d2('r3)");
       break;
     case LMG:
       Format(instr, "lmg\t'r1,'r2,'d2('r3)");
       break;
+    case CSY:
+      Format(instr, "csy\t'r1,'r2,'d2('r3)");
+      break;
+    case CSG:
+      Format(instr, "csg\t'r1,'r2,'d2('r3)");
+      break;
     case STMY:
       Format(instr, "stmy\t'r1,'r2,'d2('r3)");
       break;
     case STMG:
       Format(instr, "stmg\t'r1,'r2,'d2('r3)");
       break;
     case LT:
       Format(instr, "lt\t'r1,'d2('r2d,'r3)");
       break;
     case LTG:
@@ skipping 334 matching lines @@
     byte* prev_pc = pc;
     pc += d.InstructionDecode(buffer, pc);
     v8::internal::PrintF(f, "%p    %08x      %s\n", static_cast<void*>(prev_pc),
                          *reinterpret_cast<int32_t*>(prev_pc), buffer.start());
   }
 }
 
 }  // namespace disasm
 
 #endif  // V8_TARGET_ARCH_S390