[Bug tree-optimization/86066] [9 regression] wrong code for bit-field manipulation at -Os

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86066

--- Comment #3 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Author: ebotcazou
Date: Wed Jun  6 13:13:24 2018
New Revision: 261232

URL: https://gcc.gnu.org/viewcvs?rev=261232&root=gcc&view=rev
Log:
        PR tree-optimization/86066
        * gimple-ssa-store-merging.c (process_store): Do not bypass
BIT_NOT_EXPR
        for BIT_INSERT_EXPR stores.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr86066.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-ssa-store-merging.c
    trunk/gcc/testsuite/ChangeLog