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From: "law at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/114415] [13 Regression] wrong code with -Oz
 -fno-dce -fno-forward-propagate -flive-range-shrinkage -fweb since r13-1826
Date: Fri, 05 Apr 2024 04:10:14 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114415

Jeffrey A. Law <law at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[13/14 Regression] wrong    |[13 Regression] wrong code
                   |code with -Oz -fno-dce      |with -Oz -fno-dce
                   |-fno-forward-propagate      |-fno-forward-propagate
                   |-flive-range-shrinkage      |-flive-range-shrinkage
                   |-fweb since r13-1826        |-fweb since r13-1826

--- Comment #7 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Given the problems we've generally had in this space, it's probably quite
reasonable to treat modifications to the stack pointer as memory accesses.

It probably would have been enough to avoid the RISC-V bug I just fixed a w=
eek
or so ago.=