[Bug middle-end/67421] gcc.dg/wide-shift-64.c FAILs

[jiwang at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67421

--- Comment #5 from Jiong Wang <jiwang at gcc dot gnu.org> ---
Author: jiwang
Date: Thu Sep 10 10:37:17 2015
New Revision: 227629

URL: https://gcc.gnu.org/viewcvs?rev=227629&root=gcc&view=rev
Log:
[Patch/expand] Cost instruction sequences when doing left wide shift

Patch background details:

    https://gcc.gnu.org/ml/gcc-patches/2015-08/msg01147.html

gcc/
  PR rtl-optimization/67421
  * expr.c (expand_expr_real_2): Cost instrcution sequences when doing left
wide
  shift tranformation.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/expr.c