[alsa-devel] [PATCH] ASoC: prevent compilers from optimising pll calculation into __aeabi__uldivmod

Mark Brown broonie at opensource.wolfsonmicro.com
Wed Apr 27 17:06:08 CEST 2011

On Wed, Apr 27, 2011 at 07:59:39AM -0700, Stephen Warren wrote:

> Aren't there compiler flags that tell gcc it isn't operating in a hosted(?)
> environment, and hence not to emit calls to these functions? If so, I
> imagine they should be added to the kernel's core (or ARM arch ) makefiles.

IIRC there's some intrinsics (usually for operations like divisions)
which GCC expects to be provided even in a free standing environment.

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