On Wed, 10 Oct 2007, Nigel Stephens wrote: > Actually the -march=4ksd option will allow gcc to use of the SmartMIPS lwxs > (indexed load) instruction, which could save a few instructions here and > there. Good point, but if we decide the lone instruction is worth the hassle, then we should use "-msmartmips" on top of the base ISA selection. Likewise with "lwx" and "-mdsp". Though either way I am not sure these would have to be put in Kconfig or Makefile anywhere. A generic way should be enough for the insistent as the potentially useful options may proliferate; we have the CFLAGS_KERNEL and CFLAGS_MODULE Makefile variables that would suit for setting upon `make' invocation. Maciej
