On Tue, Jul 04, 2017 at 06:38:10PM +0200, Dr. Philipp Tomsich wrote: > Tom, > > Please note that some GCC versions had a code-generation bug > when -mgeneral-regs-only was used (we hit this for a customer in > a vendor GCC we maintain): > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64304 > > Until everyone upgrades to a recently recent GCC (or until UBoot > enforces this next January), some people may hit hard-to-reproduce > issues. > > A better way to suppress SIMD generation would be to use: > -march=armv8-a+nosimd
Ah, good to know. Peng, please re-spin. > > Regards, > Philipp. > > > On 04 Jul 2017, at 15:32, Tom Rini <[email protected]> wrote: > > > > On Mon, Jul 03, 2017 at 09:14:07PM +0800, Peng Fan wrote: > > > >> Pass -mgeneral-regs-only to GCC, if not compiler may generate > >> instructions that use SIMD registers. > >> > >> Signed-off-by: Peng Fan <[email protected]> > >> Cc: Albert Aribaud <[email protected]> > >> Cc: Tom Rini <[email protected]> > > > > Reviewed-by: Tom Rini <[email protected]> > > > > -- > > Tom > > _______________________________________________ > > U-Boot mailing list > > [email protected] > > https://lists.denx.de/listinfo/u-boot > -- Tom
signature.asc
Description: Digital signature
_______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
