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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/104581] [12 Regression] Huge compile-time regression
 building SPEC 2017 538.imagick_r with PGO
Date: Thu, 17 Feb 2022 11:47:29 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104581

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2022-02-17

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Samples: 2M of event 'cycles', Event count (approx.): 2071823178483=20=20=
=20=20=20=20=20=20=20=20=20=20=20
Overhead  Command  Shared Object                     Symbol=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
  92.82%  cc1      cc1                               [.]
ix86_avx_u128_mode_need
   0.70%  cc1      cc1                               [.]
update_conflict_hard_re

GCC 11 compiles this file in 36 seconds.=