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Subject: [Bug tree-optimization/98766] [10/11 Regression] SVE: ICE in
 tree_to_shwi with -O3 --param=avoid-fma-max-bits
Date: Fri, 22 Jan 2021 16:41:18 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98766

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

https://gcc.gnu.org/g:9d33785f57daf29dc0c106c919da319fe1906bc6

commit r11-6861-g9d33785f57daf29dc0c106c919da319fe1906bc6
Author: Kyrylo Tkachov <kyrylo.tkachov@arm.com>
Date:   Thu Jan 21 16:33:49 2021 +0000

    tree-ssa-mathopts: Use proper poly_int64 comparison with
param_avoid_fma_max_bits [PR 98766]

    We ICE here because we end up comparing a poly_int64 with a scalar using
    <=3D rather than maybe_le.
    This patch fixes that in the way rich suggests in the PR.

    gcc/ChangeLog:

            PR tree-optimization/98766
            * tree-ssa-math-opts.c (convert_mult_to_fma): Use maybe_le when
            comparing against type size with param_avoid_fma_max_bits.

    gcc/testsuite/ChangeLog:

            PR tree-optimization/98766
            * gcc.dg/pr98766.c: New test.=