[Bug rtl-optimization/67145] [6 Regression] associativity from pseudo-reg ordering

[rth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67145

--- Comment #16 from Richard Henderson <rth at gcc dot gnu.org> ---
Author: rth
Date: Wed Mar  2 21:09:54 2016
New Revision: 233916

URL: https://gcc.gnu.org/viewcvs?rev=233916&root=gcc&view=rev
Log:
PR rtl-opt/67145

  * simplify-rtx.c (simplify_plus_minus): Allow reassoc without
  simplification when all args are positive non-fixed registers.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/simplify-rtx.c