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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/113362] RISCV64 divide and remainder with the same
 operands generates two divide operations
Date: Fri, 12 Jan 2024 20:08:58 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113362

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2024-01-12

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The way divu/remu should be modeled as one instruction (using also the
divmod/udivmod optab to expand them) and then split into either divu or rem=
u or
divu/mul/sub in split1 depending on the REG_UNUSED notes.=