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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/110701] [14 Regression] Wrong code at -O1/2/3/s on x86_64-linux-gnu
Date: Mon, 17 Jul 2023 17:55:47 +0000 [thread overview]
Message-ID: <bug-110701-4-3pUcqs0WC8@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-110701-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110701
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
What GCC 13 did was
Trying 16 -> 17:
16: {r94:HI=r92:DI#0^0x3;clobber flags:CC;}
REG_DEAD r92:DI
REG_UNUSED flags:CC
17: r95:SI=sign_extend(r94:HI)
REG_DEAD r94:HI
Failed to match this instruction:
(set (reg:SI 95)
(ior:SI (and:SI (subreg:SI (reg:DI 92) 0)
(const_int 340 [0x154]))
(const_int 3 [0x3])))
next prev parent reply other threads:[~2023-07-17 17:55 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-17 10:21 [Bug c/110701] New: " shaohua.li at inf dot ethz.ch
2023-07-17 12:43 ` [Bug rtl-optimization/110701] [14 Regression] " xry111 at gcc dot gnu.org
2023-07-17 17:51 ` pinskia at gcc dot gnu.org
2023-07-17 17:55 ` pinskia at gcc dot gnu.org [this message]
2023-07-17 17:58 ` pinskia at gcc dot gnu.org
2023-07-18 15:38 ` roger at nextmovesoftware dot com
2023-07-18 17:17 ` roger at nextmovesoftware dot com
2023-07-27 18:23 ` roger at nextmovesoftware dot com
2023-10-04 16:12 ` cvs-commit at gcc dot gnu.org
2023-10-11 7:59 ` roger at nextmovesoftware dot com
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