add stall and forwarding
hoge
Merge branch 'master' of https://github.com/asi1024/simpleArchitecture

Conflicts:
	src/DecodeUnit.v
speedUp BubbleSort
modify DecodeUnit to apply Stack
merge input
modify DecodeUnit.v to set flags(wren, write) in additional instruction.
fix conflict

Merge branch 'toyukan'

Conflicts:
	src/DecodeUnit.v
	src/DecodeUnitRegisterOne.v
	test/DecodeUnitTest.v
Merge branch 'master' of https://github.com/asi1024/simpleArchitecture
fix little bug
Merge branch 'master' of https://github.com/asi1024/simpleArchitecture

Conflicts:
	src/DecodeUnit.v
Merge branch 'master' of https://github.com/asi1024/simpleArchitecture
debug DecodeUnit.v ("=" -> "==") and debug DecodeReg on output SPR_i_OUT assigning spri
Merge branch 'master' of https://github.com/asi1024/simpleArchitecture
reverse COMMAND, BeforeCOMMANDm, TwoBeforeCOMMAND
Merge branch 'master' of https://github.com/asi1024/simpleArchitecture
Merge branch 'master' of https://github.com/asi1024/simpleArchitecture

Conflicts:
	src/DecodeUnit.v
exchange ports place
exchange port places
fix little bug