performance test -- only LoadPipe

[Anzooooo]

not misalign

[XiangShanRobot]

[Generated by IPC robot]
commit: 0502d09

commit	astar	copy_and_run	coremark	gcc	gromacs	lbm	linux	mcf	microbench	milc	namd	povray	wrf	xalancbmk
0502d09	1.959	0.450	2.686	1.222	2.832	2.461	2.393	0.919	1.407	1.992	3.435	2.709	2.383	3.261

master branch:

commit	astar	copy_and_run	coremark	gcc	gromacs	lbm	linux	mcf	microbench	milc	namd	povray	wrf	xalancbmk
7d20eb3	1.959	0.450	2.686	1.226	2.832	2.461	2.393	0.919	1.407	1.992	3.435	2.709	2.383	3.261
35477a7
493f6e1	1.959	0.450	2.686	1.224	2.832	2.461	2.393	0.919	1.407	1.992	3.435	2.709	2.383	3.261
a60d667
7876e67