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From: "schwab@linux-m68k.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/111600] New: [14.0 regression] RISC-V bootstrap time
 regression
Date: Tue, 26 Sep 2023 13:35:01 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111600

            Bug ID: 111600
           Summary: [14.0 regression] RISC-V bootstrap time regression
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: schwab@linux-m68k.org
  Target Milestone: ---
            Target: riscv*-*-*

Between 20230915 and 20230922 the total bootstrap time (all languages enabl=
ed)
has increased from 127309 to 156925 seconds.

Bootstrap times for weekly builds of the last two months:

20230714        99353
20230722        95286   +4.3%
20230728        96453   +1.2%
20230804        97106   +0.7%
20230811        107889  +11.1%
20230818        108573  +0.6%
20230825        110850  +2.1%
20230901        111338  +0.4%
20230908        120820  +8.5%
20230915        127309  +5.4%
20230922        156925  +23.3%

Compiling dwarf2out.cc (preprocessed from the 20230714 tree) with the stage3
compilers, -O2 -g:

20230714        417.455
20230722        417.031
20230728        416.201
20230804        419.312
20230811        418.617
20230818        419.281
20230825        419.950
20230901        421.329
20230908        425.063
20230915        426.305
20230922        430.378=