On Tue, Oct 15, 2019 at 11:05 AM Nick Desaulniers <ndesaulniers@xxxxxxxxxx> wrote: > > On Tue, Oct 15, 2019 at 12:19 AM Arnd Bergmann <arnd@xxxxxxxx> wrote: > > > > On Tue, Oct 15, 2019 at 9:08 AM S, Shirish <sshankar@xxxxxxx> wrote: > > > On 10/15/2019 3:52 AM, Nick Desaulniers wrote: > > > > > My gcc build fails with below errors: > > > > > > dcn_calcs.c:1:0: error: -mpreferred-stack-boundary=3 is not between 4 and 12 > > > > > > dcn_calc_math.c:1:0: error: -mpreferred-stack-boundary=3 is not between 4 and 12 > > I was able to reproduce this failure on pre-7.1 versions of GCC. It > seems that when: > 1. code is using doubles > 2. setting -mpreferred-stack-boundary=3 -mno-sse2, ie. 8B stack alignment > than GCC produces that error: > https://godbolt.org/z/7T8nbH > Also, I suspect that very error solves the mystery of "why was 16B stack alignment ever specified?" -- Thanks, ~Nick Desaulniers _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
