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Subject: [Bug target/110787] [14 regression] ICE building SYSTEM.def
Date: Mon, 24 Jul 2023 11:35:22 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110787

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Roger Sayle <sayle@gcc.gnu.org>:

https://gcc.gnu.org/g:9f66753ef48f37729a88735ae1a2bf2d2558e69f

commit r14-2743-g9f66753ef48f37729a88735ae1a2bf2d2558e69f
Author: Roger Sayle <roger@nextmovesoftware.com>
Date:   Mon Jul 24 12:34:23 2023 +0100

    [Committed] PR target/110787: Revert QImode offsets in {zero,sign}_extr=
act.

    My recent patch to use QImode for bit offsets in ZERO_EXTRACTs and
    SIGN_EXTRACTs in the i386 backend shouldn't have resulted in any change
    behaviour, but as reported by Rainer it produces a bootstrap failure in
    gm2.  This reverts the problematic patch whilst we investigate the
    underlying cause.

    Committed as obvious.

    2023-07-23  Roger Sayle  <roger@nextmovesoftware.com>

    gcc/ChangeLog
            PR target/110787
            PR target/110790
            Revert patch.
            * config/i386/i386.md (extv<mode>): Use QImode for offsets.
            (extzv<mode>): Likewise.
            (insv<mode>): Likewise.
            (*testqi_ext_3): Likewise.
            (*btr<mode>_2): Likewise.
            (define_split): Likewise.
            (*btsq_imm): Likewise.
            (*btrq_imm): Likewise.
            (*btcq_imm): Likewise.
            (define_peephole2 x3): Likewise.
            (*bt<mode>): Likewise
            (*bt<mode>_mask): New define_insn_and_split.
            (*jcc_bt<mode>): Use QImode for offsets.
            (*jcc_bt<mode>_1): Delete obsolete pattern.
            (*jcc_bt<mode>_mask): Use QImode offsets.
            (*jcc_bt<mode>_mask_1): Likewise.
            (define_split): Likewise.
            (*bt<mode>_setcqi): Likewise.
            (*bt<mode>_setncqi): Likewise.
            (*bt<mode>_setnc<mode>): Likewise.
            (*bt<mode>_setncqi_2): Likewise.
            (*bt<mode>_setc<mode>_mask): New define_insn_and_split.
            (bmi2_bzhi_<mode>3): Use QImode offsets.
            (*bmi2_bzhi_<mode>3): Likewise.
            (*bmi2_bzhi_<mode>3_1): Likewise.
            (*bmi2_bzhi_<mode>3_1_ccz): Likewise.
            (@tbm_bextri_<mode>): Likewise.=