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Subject: [Bug target/97521] [11 Regression] wrong code with -mno-sse2 since
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Date: Mon, 26 Oct 2020 11:28:40 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97521

--- Comment #23 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:605c2a393d3a2db86454a70fd7c9467db434060c

commit r11-4381-g605c2a393d3a2db86454a70fd7c9467db434060c
Author: Richard Biener <rguenther@suse.de>
Date:   Fri Oct 23 08:40:15 2020 +0200

    middle-end/97521 - always use single-bit bools in mask vector types

    This makes us always use a single-bit boolean type component type
    for integer mode mask VECTOR_BOOLEAN_TYPE_P to match the RTL and target
    representation.  This aovids the need for magic translation and
    the inconsistencies from the translation requirement now that
    we expose temporaries of those types on the GIMPLE level.

    2020-10-23  Richard Biener  <rguenther@suse.de>

            PR middle-end/97521
            * expr.c (const_scalar_mask_from_tree): Remove.
            (expand_expr_real_1): Always VIEW_CONVERT integer mode
            vector constants to an integer type.
            * tree.c (build_truth_vector_type_for_mode): Use a single-bit
            boolean component type for non-vector-mode mask_mode.

            * gcc.target/i386/pr97521.c: New testcase.=