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OpenXiangShan / XiangShan

Open-source high-performance RISC-V processor
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IFU: cut the number of PC registers #3103

Open my-mayfly opened 3 days ago

my-mayfly commented 3 days ago

In order to reduce power consumption, some unnecessary PC registers can be trimmed.

XiangShanRobot commented 3 days ago
[Generated by IPC robot] commit: b7a9025ab1315f08c6bf70678df5d517ff888a82 commit astar copy_and_run coremark gcc gromacs lbm linux mcf microbench milc namd povray wrf xalancbmk
b7a9025 1.812 0.451 2.047 1.199 2.941 2.507 2.196 0.934 1.373 1.397 3.181 2.669 2.403 2.961
master branch: commit astar copy_and_run coremark gcc gromacs lbm linux mcf microbench milc namd povray wrf xalancbmk
939a787 1.812 0.451 2.047 1.199 2.941 2.507 2.196 0.934 1.373 1.397 3.181 2.669 2.403 2.961
9705db6 1.812 0.451 2.047 1.199 2.941 2.507 2.196 0.934 1.373 1.397 3.181 2.669 2.403 2.961
78d7c65 1.812 0.451 2.043 1.199 2.941 2.507 2.196 0.934 1.373 1.397 3.181 2.669 2.403 2.961
5c1e8bf 1.812 0.451 2.043 1.199 2.941 2.507 2.196 0.934 1.373 1.397 3.181 2.669 2.403 2.961
7c26eb0 1.809 0.451 2.043 1.190 2.940 2.496 2.197 0.932 1.373 1.411 3.181 2.669 2.403 2.948
1436b76 1.811 0.451 2.047 1.190 2.940 2.496 2.197 0.932 1.373 1.411 3.181 2.669 2.403 2.948
84c44d2 1.809 0.451 2.047 1.190 2.940 2.496 2.197 0.932 1.373 1.411 3.181 2.669 2.403 2.948
9134676 1.809 0.451 2.047 1.190 2.940 2.496 2.197 0.932 1.373 1.411 3.181 2.669 2.403 2.948
7ffbf5f 1.809 0.452 2.052 1.196 2.951 2.499 2.199 0.930 1.377 1.407 3.436 2.653 2.398 2.941
d1da158 1.805 0.452 2.052 1.196 2.951 2.499 2.199 0.930 1.377 1.407 3.436 2.653 2.398 2.941