e nopР流水线Р类似指令РABSР举例РADD指令Р指令符号РSSHLР指令格式РADD (.unit) src1, src2, dstРorРADD (.L1 or .L2) src1, src2_h:src2_l, dst_h:dst_lРorРADD (.D1 or .D2) src2, src1, dst (if the cross path form is not used)РorРADD (.D1 or .D2) src1, src2, dst (if the cross path form is used)РorРADD (.D1 or .D2) src2, src1, dst (if the cross path form is used with a constant)Рunit = .D1, .D2, .L1, .L2, .S1, .S2Р功能单元Рunit = .D1, .D2, .L1, .L2, .S1, .S2Р兼容性РC62x, C64x, and C64x+ CPUР指令类型Р单周期指令Р延迟时隙Р0Р操作码Р.L unitР.S unitР指令描述Р指令执行Р©Р.D unit (没用交叉路径)Р.D unit (用了交叉路径)Р.D unit (用了交叉路径和常量)Р指令描述Р指令执行Р流水线Р类似指令РADDU, ADD2, SADDР举例РADDAB指令Р指令符号РADDABР指令格式РADDAB (.unit) src2, src1, dst (C64x and C64x+ CPU)РorРADDAB (.unit) B14/B15, ucst15, dst (C64x+ CPU)Рunit = .D1 or .D2Р功能单元Р.D1 or .D2Р兼容性РC62x, C64x, and C64x+ CPUР指令类型Р单周期指令
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