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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/90706] [10/11/12/13 Regression] Useless code generated for stack / register operations on AVR
Date: Thu, 15 Dec 2022 19:20:06 +0000 [thread overview]
Message-ID: <bug-90706-4-AiZlmNFSD2@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-90706-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90706
--- Comment #15 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Vladimir Makarov <vmakarov@gcc.gnu.org>:
https://gcc.gnu.org/g:12abd5a7d13209f79664ea603b3f3517f71b8c4f
commit r13-4727-g12abd5a7d13209f79664ea603b3f3517f71b8c4f
Author: Vladimir N. Makarov <vmakarov@redhat.com>
Date: Thu Dec 15 14:11:05 2022 -0500
IRA: Check that reg classes contain a hard reg of given mode in reg move
cost calculation
IRA calculates wrong AVR costs for moving general hard regs of SFmode. To
calculate the costs we did not exclude sub-classes which do not contain
hard regs of given mode. This was the reason for spilling a pseudo in the
PR. The patch fixes this.
PR rtl-optimization/90706
gcc/ChangeLog:
* ira-costs.cc: Include print-rtl.h.
(record_reg_classes, scan_one_insn): Add code to print debug info.
* ira.cc (ira_init_register_move_cost): Check that at least one
hard
reg of the mode are in the class contents to calculate the
register move costs.
gcc/testsuite/ChangeLog:
* gcc.target/avr/pr90706.c: New.
next prev parent reply other threads:[~2022-12-15 19:20 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-90706-4@http.gcc.gnu.org/bugzilla/>
2020-03-12 11:59 ` [Bug rtl-optimization/90706] [9/10 " jakub at gcc dot gnu.org
2020-03-13 23:25 ` bseifert at gmx dot at
2020-04-29 16:50 ` gjl at gcc dot gnu.org
2021-06-01 8:14 ` [Bug rtl-optimization/90706] [9/10/11/12 " rguenth at gcc dot gnu.org
2022-05-27 9:40 ` [Bug rtl-optimization/90706] [10/11/12/13 " rguenth at gcc dot gnu.org
2022-06-28 10:37 ` jakub at gcc dot gnu.org
2022-11-01 15:55 ` gjl at gcc dot gnu.org
2022-12-13 14:10 ` vmakarov at gcc dot gnu.org
2022-12-15 19:20 ` cvs-commit at gcc dot gnu.org [this message]
2022-12-16 13:59 ` gjl at gcc dot gnu.org
2022-12-16 18:33 ` vmakarov at gcc dot gnu.org
2023-03-02 22:22 ` cvs-commit at gcc dot gnu.org
2023-03-04 13:45 ` gjl at gcc dot gnu.org
2023-03-31 12:42 ` cvs-commit at gcc dot gnu.org
2023-03-31 12:45 ` vmakarov at gcc dot gnu.org
2023-03-31 14:38 ` gjl at gcc dot gnu.org
2023-05-21 15:25 ` gjl at gcc dot gnu.org
2024-03-05 19:28 ` gjl at gcc dot gnu.org
2024-05-18 8:15 ` gjl at gcc dot gnu.org
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