Re: [PATCH] limit vectorization to large enough trip-counts

[Dorit Nuzman <DORIT at il dot ibm dot com>]

"Daniel Berlin" <dberlin@dberlin.org> wrote on 09/01/2007 18:24:57:
> >
> Assuming it passes regression tests and bootstrap, and you add a
> changelog, feel free to check it in.

passed bootstrap and the vectorization tests on powerpc-linux. Also added
an invoke.texi entry - checked 'make info', 'make dvi'. Committed to
mainline. Here's the patch that was committed.

thanks,
dorit

ChangeLog:

        * param.h (MIN_VECT_LOOP_BOUND): New.
        * params.def (MIN_VECT_LOOP_BOUND): New.
        * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
        argument - minimum threshold for number of iterations.
        * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
        argument to declaration.
        * tree-vect-analyze.c (vect_analyze_operations): Check value of
        MIN_VECT_LOOP_BOUND.
        * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
        slpeel_tree_peel_loop_to_edge with additional argument.
        (vect_do_peeling_for_alignment): Likewise.
        * doc/invoke.texi (min-vect-loop-bound): Document new param option.

(See attached file: minvectloop.txt)

Attachment: minvectloop.txt
Description: Text document