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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/111252] LoongArch: Suboptimal code for (a & ~mask) | (b
 & mask) where mask is a constant with value ((1 << n) - 1) << m
Date: Thu, 31 Aug 2023 04:46:43 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111252

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The easiest fix for __builtin_copysignf128 is change expand_copysign_bit in
optabs.cc to use extract_bit_field to do the extraction and store_bit_field=
 for
the insert instead of what it currently does of using ands and ors ...=