On Sun, 2016-29-05 at 12:03:50 UTC, Anton Blanchard wrote: > From: Anton Blanchard <an...@samba.org> > > In both __giveup_fpu() and __giveup_altivec() we make two modifications > to tsk->thread.regs->msr. gcc decides to do a read/modify/write of > each change, so we end up with a load hit store: > > ld r9,264(r10) > rldicl r9,r9,50,1 > rotldi r9,r9,14 > std r9,264(r10) > ... > ld r9,264(r10) > rldicl r9,r9,40,1 > rotldi r9,r9,24 > std r9,264(r10) > > Fix this by using a temporary. > > Signed-off-by: Anton Blanchard <an...@samba.org>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/8eb9803723a14fd12675641b95 cheers _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
