https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95655
--- Comment #4 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:727efd27da90fe09ed393c7bb44bba071ae0e0d3 commit r11-1680-g727efd27da90fe09ed393c7bb44bba071ae0e0d3 Author: H.J. Lu <hjl.to...@gmail.com> Date: Fri Jun 12 05:44:59 2020 -0700 Linux/i386: Remove SUBTARGET_FRAME_POINTER_REQUIRED config/i386/gnu-user.h has #define SUBTARGET_FRAME_POINTER_REQUIRED crtl->profile ix86_frame_pointer_required() has /* Several x86 os'es need a frame pointer for other reasons, usually pertaining to setjmp. */ if (SUBTARGET_FRAME_POINTER_REQUIRED) return true; ... if (crtl->profile && !flag_fentry) return true; A frame pointer is needed only for -pg, not for -mfentry -pg. Remove SUBTARGET_FRAME_POINTER_REQUIRED from gnu-user.h to make i386 GCC behave the same as x86-64 GCC. This fixes FAIL: gcc.target/i386/pr93492-3.c scan-assembler \t.cfi_startproc\n\tendbr(32|64)\n.*.LPFE1:\n\tnop\n1:\tcall\t__fentry__\n\tret\n FAIL: gcc.target/i386/pr93492-5.c scan-assembler \t.cfi_startproc\n.*.LPFE1:\n\tnop\n1:\tcall\t__fentry__\n\tret\n on Linux/i386. PR target/95655 * config/i386/gnu-user.h (SUBTARGET_FRAME_POINTER_REQUIRED): Removed. * config/i386/i386.c (ix86_frame_pointer_required): Update comments.
