Re: [PATCH] Fix GCN SIMD libm bug

Corinna Vinschen <[email protected]> Tue, 25 Mar 2025 12:25:00 +0100

Newsgroups	gmane.comp.lib.newlib
Message-ID	<[email protected]>

On Mar 20 09:32, Andrew Stubbs wrote:
> Since January, GCC has been miscompiling Newlib libm on AMD GCN due to
> undefined behaviour in the RESIZE_VECTOR macro.  It was "working" but expanding
> the size of a vector would no longer zero the additional lanes, as it expected.
> 
> See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119325
> ---
>  newlib/libm/machine/amdgcn/amdgcn_veclib.h | 17 +++++++++++++++--
>  1 file changed, 15 insertions(+), 2 deletions(-)

Pushed.

Thanks,
Corinna