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Subject: [Bug rtl-optimization/104447] [9/10/11/12 Regression] ICE: maximum
 number of LRA assignment passes is achieved (30)
Date: Thu, 17 Feb 2022 16:50:31 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104447

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Vladimir Makarov <vmakarov@gcc.gnu.or=
g>:

https://gcc.gnu.org/g:db69f666a728ce800a840115829f6b64bc3174d2

commit r12-7278-gdb69f666a728ce800a840115829f6b64bc3174d2
Author: Vladimir N. Makarov <vmakarov@redhat.com>
Date:   Thu Feb 17 11:31:50 2022 -0500

    [PR104447] LRA: Do not split non-alloc hard regs.

    LRA tried to split non-allocated hard reg for reload pseudos again and
    again until number of assignment passes reaches the limit.  The patch f=
ixes
    this.

    gcc/ChangeLog:

            PR rtl-optimization/104447
            * lra-constraints.cc (spill_hard_reg_in_range): Initiate ignore
            hard reg set by lra_no_alloc_regs.

    gcc/testsuite/ChangeLog:

            PR rtl-optimization/104447
            * gcc.target/i386/pr104447.c: New.=