https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83636

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by YunQiang Su <s...@gcc.gnu.org>:

https://gcc.gnu.org/g:d7e56b084d0b230ae5ee280f569d679fa0f09f4d

commit r12-3219-gd7e56b084d0b230ae5ee280f569d679fa0f09f4d
Author: YunQiang Su <yunqiang...@cipunited.com>
Date:   Sat Aug 28 08:17:18 2021 -0400

    libffi: Fix MIPS r6 support

    for some instructions, MIPS r6 uses different encoding other than
    the previous releases.

    1. mips/n32.S disable .set mips4: since it casuses old insn encoding
       is used.
       https://github.com/libffi/libffi/pull/396 has been accepted as:
         94c102aa69b04337f63498e0e6551fcdce549ae5
    2. mips/ffi.c: the encoding for JR is hardcoded: we need to use
       different value for r6 and pre-r6.
       https://github.com/libffi/libffi/pull/401 has been accpeted as:
         746dbe3a6a79a41931c03b51df2972be4d5e5028

    libffi/
            PR libffi/83636
            * src/mips/n32.S: disable .set mips4
            * src/mips/ffi.c: use different JR encoding for r6.

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