Messages in this thread | | | From | Nick Desaulniers <> | Date | Mon, 18 Mar 2019 10:09:37 -0700 | Subject | Re: [PATCH] x86/vdso: include generic __lshrdi3 in 32-bit vDSO |
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On Fri, Mar 15, 2019 at 3:29 PM Matthias Kaehlcke <mka@chromium.org> wrote: > On Fri, Mar 15, 2019 at 02:31:09PM -0700, 'Nick Desaulniers' via Clang Built Linux wrote: > > Is there a config I can set to reproduce this, in order to help > > test? > > I encountered it with a Chrome OS specific configuration, but a > defconfig should do.
defconfig selects CONFIG_OPTIMIZE_FOR_PERFORMANCE=y. I needed to select CONFIG_CC_OPTIMIZE_FOR_SIZE=y to repro. My CI is simply running defconfigs, which is why I didn't catch this.
> Note that you probably need a development version > of clang to reproduce this.
Yep. Thanks for the patch.
Tested-by: Nick Desaulniers <ndesaulniers@google.com> -- Thanks, ~Nick Desaulniers
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