On Wed, Jan 11, 2012 at 10:27 PM, Lv Terry-R65388 <r65...@freescale.com> wrote: > Hi Michael, > > By adding -mno-unaligned-access, kernel can start now. > > I've another question, Does this option have some impact on > performance?
Hi Terry. It should improve things. Before this patch the compiler would emit the instructions to do a byte-by-byte load and recombine these into the final word. With this patch it does a single load and lets the hardware sort it out. -- Michael _______________________________________________ linaro-toolchain mailing list linaro-toolchain@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-toolchain
