ARM 指令的条件码

ARM 129浏览

条件码                                     助记符后缀                                       标志                                         含义

 0000                                            EQ                                             Z置位                                        相等

 0001                                            NE                                             Z清零                                        不想等

 0010                                            CS                                             C置位                                        无符号数大于或等于

 0011                                            CC                                             C清零                                        无符号数小于

 0100                                            MI                                              N置位                                        负数

 0101                                            PL                                              N清零                                        正数或零

 0110                                            VS                                             V置位                                         溢出

 0111                                            VC                                             V清零                                         未溢出

 1000                                            HI                                              C置位Z清零                                无符号数大于

 1001                                            LS                                             C清零Z置位                                无符号数小于或等于

 1010                                            GE                                             N等于V                                      带符号数大于或等于

 1011                                            LT                                              N不等于V                                   带符号数小于

 1100                                            GT                                             Z清零且(N等于V)                  带符号数大于

 1101                                            LE                                             Z置位或(N不等于V)               带符号数小于或等于

 1110                                           AL                                              忽略                                            无条件执行