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Subject: [Bug target/106462] LRA on mips64el: unable to reload (subreg:SI
 (reg:DI)) constrained by "f"
Date: Fri, 02 Dec 2022 13:24:59 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106462

--- Comment #5 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:70596a0fb2a2ec072e1e97e37616e05041dfa4e5

commit r13-4466-g70596a0fb2a2ec072e1e97e37616e05041dfa4e5
Author: Vladimir N. Makarov <vmakarov@redhat.com>
Date:   Fri Dec 2 08:18:04 2022 -0500

    LRA: Check hard reg availability of pseudo and its subreg for pseudo re=
load

    Do not reload subreg pseudo if there are hard regs for subreg mode
    but there are no hard regs for pseudo mode.

            PR target/106462

    gcc/ChangeLog:

            * lra-constraints.cc (curr_insn_transform): Check available hard
            regs for pseudo and its subreg to decide what to reload.

    gcc/testsuite/ChangeLog:

            * gcc.target/mips/pr106462.c: New test.=