On Thu, Mar 26, 2020 at 12:53:08PM -0700, Andre McCurdy wrote: > On Thu, Mar 26, 2020 at 12:16 PM Adrian Bunk <[email protected]> wrote: > > > > On Thu, Mar 26, 2020 at 05:26:29PM +0200, Stefan Ghinea wrote: > > >... > > > When compiling for Thumb or Thumb2, frame pointers _must_ be disabled > > > since the Thumb frame pointer in r7 > > >... > > > > How are you reproducing the problem in pulseaudio? > > > > This sounds like a workaround for a bug in musl that was fixed 2 years ago. > > The problem can show up anywhere that inline asm is trying to use r7. > In this case it looks like: > > > https://github.com/pulseaudio/pulseaudio/blob/master/src/pulsecore/remap_neon.c#L50 >...
After looking at the pulseaudio code I suspected the patch description claiming pulseaudio syscall code would be the problem was rubbish, and that this NEON code was the problem. But when I tried to reproduce the problem it built for me with both glibc and musl in master (the patch didn't mention that this was a musl-only problem). Then I saw that this was fixed in musl upstream 2 years ago: https://git.musl-libc.org/cgit/musl/commit/?id=e3c682ab5257aaa6739ef242a9676d897370e78e cu Adrian
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