Control: reopen -1 Hi,
On Sun, 2025-06-08 at 20:57 +0200, John Paul Adrian Glaubitz wrote: > I was not able to tune gcc-14 properly using CFLAGS to apply this workaround > when using gcc-13 as the bootstrap compiler but the attached patch worked for > me which of course can't be used in the actual package. > > It should be possible to add -fno-fold-mem-offsets to DRIVER_SELF_SPECS on > m68k. However, I currently don't understand how the syntax works. I'll > ask the Gentoo people who have done this. This didn't work, unfortunately [1]. However, I used Gemini to come up with the attached patch which fixes the glibc build problem for me. Can you include it instead? Thanks, Adrian > [1] > https://buildd.debian.org/status/fetch.php?pkg=glibc&arch=m68k&ver=2.42-16&stamp=1778118395&raw=0 -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer `. `' Physicist `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
From 95df132781d1e7312d4c2e0aa3498281630b92a5 Mon Sep 17 00:00:00 2001 From: John Paul Adrian Glaubitz <[email protected]> Date: Sun, 31 May 2026 11:57:08 +0200 Subject: [PATCH] m68k: Try to fix PR target/123853 --- gcc/recog.cc | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/gcc/recog.cc b/gcc/recog.cc index 4cae276f1f7..87bab224be8 100644 --- a/gcc/recog.cc +++ b/gcc/recog.cc @@ -1289,6 +1289,11 @@ insn_propagation::apply_to_rvalue_1 (rtx *loc) failure_reason = "is subject to autoinc"; return false; } + if (to && reg_overlap_mentioned_p (XEXP (x, 0), to)) + { + failure_reason = "replacement overlaps with autoinc"; + return false; + } recurse_p = true; break; -- 2.54.0
