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[Bug rtl-optimization/66626] [4.9/5/6 Regression] gcc.dg/torture/stackalign/non-local-goto-5.c segfaults w/ -mregparm=3
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 02 Jul 2015 11:59:50 +0000
- Subject: [Bug rtl-optimization/66626] [4.9/5/6 Regression] gcc.dg/torture/stackalign/non-local-goto-5.c segfaults w/ -mregparm=3
- Auto-submitted: auto-generated
- References: <bug-66626-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66626
--- Comment #16 from UroÅ Bizjak <ubizjak at gmail dot com> ---
(In reply to H.J. Lu from comment #13)
> These simply won't work to together. Since we must keep LRA, we
> should remove ix86_static_chain_on_stack.
... or LRA notes that static chain reg has just been loaded from stack (insn
32) and can be reused in all subsequent instructions (insn 14) and (insn 17).