These -m
options are defined for the LatticeMico32 architecture:
-mbarrel-shift-enabled
-mdivide-enabled
-mmultiply-enabled
-msign-extend-enabled
-muser-enabled
© Free Software Foundation
Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-6.3.0/gcc/LM32-Options.html