https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101023
--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by H.J. Lu <h...@gcc.gnu.org>: https://gcc.gnu.org/g:3f04e3782536ad2f9cfbb8cfe6630e9f9dd8af4c commit r12-1409-g3f04e3782536ad2f9cfbb8cfe6630e9f9dd8af4c Author: H.J. Lu <hjl.to...@gmail.com> Date: Fri Jun 11 07:31:29 2021 -0700 x86: Replace ix86_red_zone_size with ix86_red_zone_used Add red_zone_used to machine_function to track if red zone is used. When expanding function prologue, set red_zone_used to true if red zone is used. gcc/ PR target/101023 * config/i386/i386.c (ix86_expand_prologue): Set red_zone_used to true if red zone is used. (ix86_output_indirect_jmp): Replace ix86_red_zone_size with ix86_red_zone_used. * config/i386/i386.h (machine_function): Add red_zone_used. (ix86_red_zone_size): Removed. (ix86_red_zone_used): New. * config/i386/i386.md (peephole2 patterns): Replace ix86_red_zone_size with ix86_red_zone_used. gcc/testsuite/ PR target/101023 * g++.target/i386/pr101023a.C: New test. * g++.target/i386/pr101023b.C: Likewise.