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[Bug target/85593] [7/8/9 Regression] GCC on ARM allocates R3 for local variable when calling naked function with O2 optimizations enabled
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 06 Dec 2018 23:41:36 +0000
- Subject: [Bug target/85593] [7/8/9 Regression] GCC on ARM allocates R3 for local variable when calling naked function with O2 optimizations enabled
- Auto-submitted: auto-generated
- References: <bug-85593-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85593
--- Comment #14 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Dec 6 23:41:04 2018
New Revision: 266881
URL: https://gcc.gnu.org/viewcvs?rev=266881&root=gcc&view=rev
Log:
PR target/85593
* final.c (rest_of_handle_final): Don't call collect_fn_hard_reg_usage
for functions with naked attribute.
* gcc.target/i386/pr85593.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/i386/pr85593.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/final.c
trunk/gcc/testsuite/ChangeLog