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Re: [PATCH] New function for checking misalignment


On Tue, Sep 15, 2009 at 9:34 AM, Revital1 Eres <ERES@il.ibm.com> wrote:
>
> Hello,
>
> Following the RFC message:
> http://gcc.gnu.org/ml/gcc-patches/2009-09/msg00129.html;
> attached is the patch for adding a new target hook function
> for checking misalignment.
> The patch was tested on Power7 and x86.
>
> OK for mainline?

+  if (movmisalign_optab->handlers[mode].insn_code != CODE_FOR_nothing)
+    return true;


You should use optab_handler () here.

Ok with that change.

THanks,
Richard.

> Thanks,
> Revital
>
> ? ? ? ?* doc/tm.texi (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Document.
> ? ? ? ?* 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.
>
>
> (See attached file: misalign_15_9.txt)


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