[Bug target/85593] [7 Regression] GCC on ARM allocates R3 for local variable when calling naked function with O2 optimizations enabled

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85593

--- Comment #18 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Aug 30 11:19:17 2019
New Revision: 275077

URL: https://gcc.gnu.org/viewcvs?rev=275077&root=gcc&view=rev
Log:
        Backported from mainline
        2018-12-07  Jakub Jelinek  <ja...@redhat.com>

        PR target/85593
        * final.c (rest_of_handle_final): Don't call collect_fn_hard_reg_usage
        for functions with naked attribute.

Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/final.c