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Subject: [Bug target/108589] ICE: RTL check: expected code 'reg', have
 'subreg' in rhs_regno, at rtl.h:1932 with -mtune=ampere1a
 -fno-split-wide-types
Date: Tue, 18 Apr 2023 00:08:19 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108589

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Philipp Tomsich
<ptomsich@gcc.gnu.org>:

https://gcc.gnu.org/g:0f7ca8a3f50b0c34183a92a1b6c15ff5aacbf449

commit r12-9418-g0f7ca8a3f50b0c34183a92a1b6c15ff5aacbf449
Author: Philipp Tomsich <philipp.tomsich@vrull.eu>
Date:   Mon Jan 30 23:40:26 2023 +0100

    PR target/108589 - Check REG_P for AARCH64_FUSE_ADDSUB_2REG_CONST1

    This adds a check for REG_P on SET_DEST for the new idiom recognizer
    for AARCH64_FUSE_ADDSUB_2REG_CONST1.  The reported ICE is only
    observable with checking=3Drtl.

    Bootstrapped/regtested aarch64-linux, committed.

            PR target/108589

    gcc/ChangeLog:

            * config/aarch64/aarch64.cc (aarch_macro_fusion_pair_p): Check
            REG_P on SET_DEST.

    gcc/testsuite/ChangeLog:

            * gcc.target/aarch64/pr108589.c: New test.

    (cherry picked from commit a39c6ec97906766ad65d15d4856fd41121ee7a45)=