[Bug middle-end/110587] 96% pr28071.c compile time regression betwen g:8377cf1bf41a0a9d9d49de807b2341f0bf5d30cf and g:3a61ca1b9256535e1bfb19b2d46cde21f3908a5d

[jamborm at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110587

Martin Jambor <jamborm at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jamborm at gcc dot gnu.org,
                   |                            |liuhongt at gcc dot gnu.org
   Last reconfirmed|                            |2023-07-15
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Martin Jambor <jamborm at gcc dot gnu.org> ---
I have bisected this to

37a231cc7594d12ba0822077018aad751a6fb94e is the first bad commit
commit 37a231cc7594d12ba0822077018aad751a6fb94e
Author: liuhongt <hongtao....@intel.com>
Date:   Wed Jul 5 13:45:11 2023 +0800

    Disparage slightly for the alternative which move DFmode between SSE_REGS
and GENERAL_REGS.