From 0795902a1eea6a6f54249fe542eb6efbdea22f6e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20K=2E=20H=C3=BCttel?= Date: Wed, 11 Mar 2026 18:37:59 +0100 Subject: [PATCH] Workaround to sanitize m68k until upstream has fixed things MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * Disable fold_mem_offsets by default * Do not enable late_combine_instructions with -O2 or higher Bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123853 Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=33850 Bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113357 Bug: https://bugs.gentoo.org/932733 Signed-off-by: Andreas K. Hüttel --- gcc/common.opt | 2 +- gcc/opts.cc | 1 - 2 files changed, 1 insertion(+), 2 deletions(-) diff --git a/gcc/common.opt b/gcc/common.opt index e3fa0dacec4c..a562b598153f 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -1297,7 +1297,7 @@ Common Var(flag_cprop_registers) Optimization Perform a register copy-propagation optimization pass. ffold-mem-offsets -Common Var(flag_fold_mem_offsets) Init(1) Optimization +Common Var(flag_fold_mem_offsets) Init(0) Optimization Fold instructions calculating memory offsets to the memory access instruction if possible. fcrossjumping diff --git a/gcc/opts.cc b/gcc/opts.cc index ffcbdfef0bd9..beac74705929 100644 --- a/gcc/opts.cc +++ b/gcc/opts.cc @@ -666,7 +666,6 @@ static const struct default_options default_options_table[] = { OPT_LEVELS_2_PLUS, OPT_finline_functions, NULL, 1 }, { OPT_LEVELS_2_PLUS, OPT_ftree_loop_distribute_patterns, NULL, 1 }, { OPT_LEVELS_2_PLUS, OPT_foptimize_crc, NULL, 1 }, - { OPT_LEVELS_2_PLUS, OPT_flate_combine_instructions, NULL, 1 }, /* -O2 and above optimizations, but not -Os or -Og. */ { OPT_LEVELS_2_PLUS_SPEED_ONLY, OPT_falign_functions, NULL, 1 }, -- 2.52.0