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Subject: [Bug target/109541] [12/13 regression] ICE in extract_constrain_insn
 on when building rhash-1.4.3
Date: Fri, 16 Jun 2023 19:52:02 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109541

--- Comment #20 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-13 branch has been updated by Vladimir Makarov
<vmakarov@gcc.gnu.org>:

https://gcc.gnu.org/g:5568d224f2e179b8e91a90fa4fba10bd8a7f963d

commit r13-7451-g5568d224f2e179b8e91a90fa4fba10bd8a7f963d
Author: Vladimir N. Makarov <vmakarov@redhat.com>
Date:   Wed Jun 7 09:51:54 2023 -0400

    RA: Constrain class of pic offset table pseudo to general regs

    On some targets an integer pseudo can be assigned to a FP reg.  For
    pic offset table pseudo it means we will reload the pseudo in this
    case and, as a consequence, memory containing the pseudo might be
    recognized as wrong one.  The patch fix this problem.

            PR target/109541

    gcc/ChangeLog:

            * ira-costs.cc: (find_costs_and_classes): Constrain classes of =
pic
            offset table pseudo to a general reg subset.

    gcc/testsuite/ChangeLog:

            * gcc.target/sparc/pr109541.c: New.=