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 Better fix there might be to use registers { r4,r5,r6,r12 } instead of { r4,r5,r6,r7 } ? > cu > Adrian >
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