[Bug target/39423] [4.6/4.7/4.8 Regression] [SH] performance regression: lost mov @(disp,Rn)

[olegendo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39423

--- Comment #23 from Oleg Endo <olegendo at gcc dot gnu.org> 2012-08-09 
15:58:08 UTC ---
Author: olegendo
Date: Thu Aug  9 15:58:04 2012
New Revision: 190259

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190259
Log:
    PR target/39423
    * config/sh/predicates.md (mem_index_disp_operand): New predicate.
    * config/sh/sh.md (*movsi_index_disp): Rewrite insns to use the new
    mem_index_disp_operand predicate.

    PR target/39423
    * gcc.target/sh/pr39423-1.c: New.


Added:
    trunk/gcc/testsuite/gcc.target/sh/pr39423-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/sh/predicates.md
    trunk/gcc/config/sh/sh.md
    trunk/gcc/testsuite/ChangeLog