test_fnegd:
# REGISTER_IN fpscr 0x000c0001
# REGISTER_IN dr0 0x4014000000000000
fneg dr0
rts
nop
# REGISTER_OUT dr0 0xc014000000000000
test_fnegf:
# REGISTER_IN fr0 0x40800000
fneg fr0
# REGISTER_OUT fr0 0xc0800000