core: update maketest
Merge branch 'master' of github.com:ProcessorCompilerExperiment2014-Team0/Zebius
remove fdiv from fpu
core: half clock
core: fix bug of fcmp writeback index
update fpu
core: update misc
core: fix bug of alu
change wtime
Merge branch 'master' of github.com:ProcessorCompilerExperiment2014-Team0/Zebius