[PATCH][RFC] New function for checking misalignment
H.J. Lu
hjl.tools@gmail.com
Wed Sep 2 14:35:00 GMT 2009
On Wed, Sep 2, 2009 at 7:32 AM, Revital1 Eres<ERES@il.ibm.com> wrote:
>
> Hello,
>
> This patch adds a new target hook for checking if unaligned access
> with a certain misalignment factor is supported by the target.
>
> Tested on powerpc64 and x86.
> OK for mainline? Comments are welcome.
>
> Thanks to Michael for providing initial feedback for the patch.
>
> Thanks,
> Revital
>
> * targhooks.c (default_builtin_support_vector_misalignment):
> New builtin function.
> * targhooks.h (default_builtin_support_vector_misalignment):
> Declare.
> * target.h (builtin_support_vector_misalignment):
> New field in struct gcc_target.
> * tree-vect-data-refs.c (vect_supportable_dr_alignment): Call
> new builtin function.
> * target-def.h (TARGET_SUPPORT_VECTOR_MISALIGNMENT):
> Define.
> * config/rs6000/rs6000.c
> (rs6000_builtin_support_vector_misalignment): New function.
> (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Define.
>
Shouldn't it be documented?
--
H.J.
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