[PATCH] powerpc/32: Replace mulhdu() by mul_u64_u64_shr()

Madhavan Srinivasan maddy at linux.ibm.com
Fri Dec 13 14:20:35 AEDT 2024


On Sat, 07 Dec 2024 11:09:27 +0100, Christophe Leroy wrote:
> Using mul_u64_u64_shr() provides similar calculation as mulhdu()
> assembly function, but enables inlining by the compiler.
> 
> The home-made assembly function had special handling for when one of
> the arguments is not a fully populated u64 but time functions use it
> to multiply timebase by a calculated scale which is constructed to
> have most significant bit set.
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/32: Replace mulhdu() by mul_u64_u64_shr()
      https://git.kernel.org/powerpc/c/2a17a5bebc9aa7f59e99676350866adc41577c03

Thanks


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