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Re: [patch] [PR25413] fix natural-alignment assumption in the vectorizer


	I do not understand the intention of this patch for rs6000.  Is
the new hook only implemented for supported vector types?  ALIGN_POWER is
not natural alignment for 64-bit double, so I do not understand why the
hook returns true for MASK_ALIGN_POWER under TARGET_MACHO and does not
include a test for AIX.

Thanks, David


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