[Bug target/83008] [performance] Is it better to avoid extra instructions in data passing between loops?

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83008

--- Comment #34 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Jan 30 11:19:47 2018
New Revision: 257181

URL: https://gcc.gnu.org/viewcvs?rev=257181&root=gcc&view=rev
Log:
2018-01-30  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/83008
        * tree-vect-slp.c (vect_analyze_slp_cost_1): Properly cost
        invariant and constant vector uses in stmts when they need
        more than one stmt.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-vect-slp.c