https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82166
--- Comment #5 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> --- Author: hjl Date: Sun Sep 17 21:11:04 2017 New Revision: 252895 URL: https://gcc.gnu.org/viewcvs?rev=252895&root=gcc&view=rev Log: i386: Update preferred stack boundary for leaf functions preferred_stack_boundary may not be the minimum stack alignment. For leaf functions without TLS access, max_used_stack_slot_alignment may be smaller. We should update preferred_stack_boundary for leaf functions. gcc/ PR target/82166 * config/i386/i386.c (ix86_finalize_stack_frame_flags): Properly compute the minimum stack alignment. Also update preferred stack boundary for leaf functions. gcc/testsuite/ PR target/82166 * gcc.target/i386/pr82166.c: New test. Added: trunk/gcc/testsuite/gcc.target/i386/pr82166.c Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/i386.c trunk/gcc/testsuite/ChangeLog