[PATCH] powerpc/atomic: Use YZ constraints for DS-form instructions

Michael Ellerman patch-notifications at ellerman.id.au
Tue Sep 17 22:22:42 AEST 2024


On Mon, 16 Sep 2024 22:05:10 +1000, Michael Ellerman wrote:
> The 'ld' and 'std' instructions require a 4-byte aligned displacement
> because they are DS-form instructions. But the "m" asm constraint
> doesn't enforce that.
> 
> That can lead to build errors if the compiler chooses a non-aligned
> displacement, as seen with GCC 14:
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/atomic: Use YZ constraints for DS-form instructions
      https://git.kernel.org/powerpc/c/39190ac7cff1fd15135fa8e658030d9646fdb5f2

cheers


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