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Re: [PATCH 1/1] sparc: support for -mmisalign in the SPARC M8
Hi, David,
thanks a lot for your comment.
see my reply below
> STRICT_ALIGNMENT has a lot of implications.
from the definition of STRICT_ALIGNMENT:
/* Set this nonzero if move instructions will actually fail to work
when given unaligned data. */
#define STRICT_ALIGNMENT 1
for MISALIGN_TARGET, it’s clear that move instructions will NOT fail to work when given unaligned data.
so, it’s reasonable to set STRICT_ALIGNMENT to 0 for MISALIGN_TARGET.
>
> I think just because we happen to have misaligned loads and stores
> available doesn't mean we want all of the side effects associated
> with STRICT_ALIGNMENT being true.
so, could you please specify what kind of side effects will have when =
set STRICT_ALIGNMENT to true on TARGET_MISALIGN?=20
thanks a lot.
Qing