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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/98849] [11 Regression] ICE in expand_shift_1, at
 expmed.c:2658 since g:7432f255b70811dafaf325d9403
Date: Wed, 27 Jan 2021 15:51:23 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98849

--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
./cc1 -quiet -nostdinc -O3 -mcpu=3Diwmmxt pr98849-2.c -fdump-tree-all-foldi=
ng
-mfpu=3Dneon
cc1: error: iWMMXt and NEON are incompatible
So I think TARGET_NEON && TARGET_REALLY_IWMMXT is never true.
Don't know if TARGET_HAVE_MVE && TARGET_REALLY_IWMMXT is similarly never tr=
ue,
but I'd guess so.  So perhaps just add && !TARGET_REALLY_IWMMXT to the two
conditions.  It is also unclear why you call the pattern mve_* when it is u=
sed
by both neon and mve.=