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C6000 -k编译选项问题

Other Parts Discussed in Thread: TMS320DM8148

你好

        我在看-k生成的asm提示时,里面有

;* 11 LDHU .D1T1 *+A28[A12],A16 ; |786|
;* || ADD .L2X B30,A11,B23 ; |814|
;* 12 MV .L2X A29,B7 ; |785| Define a twin register
;* || PACK2 .L1 A16,A9,A16 ; |785|
;* || LDHU .D1T1 *+A29(2),A18 ; |785|
;* 13 MVD .M1 A12,A5 ; |704| Split a long life
;* || LDHU .D1T1 *+A29(8),A9 ; |860|
;* || LDHU .D2T2 *+B7(12),B6 ; |860|

Define a twin register

Split a long life

这两个都有什么意义呢??如何利用这个提示进行优化?

谢谢

A.目前使用TMS320DM8148
B.硬件环境基于8148的DVR产品
C.软件环境基于DVRRDK3.5版本
D.DSP核调试环境是CCS5.3
产品已在迭代阶段