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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/102232] Missed arithmetic fold Date: Tue, 07 Sep 2021 18:43:48 +0000 [thread overview] Message-ID: <bug-102232-4-5ScWNcTTIw@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-102232-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102232 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |TREE Status|UNCONFIRMED |NEW Last reconfirmed| |2021-09-07 Ever confirmed|0 |1 --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- So on aarch64, the code for all three functions are almost the same: foo(int, int): sdiv w2, w0, w1 madd w1, w2, w1, w1 sub w0, w1, w0 ret bar(int, int): sdiv w2, w0, w1 madd w1, w2, w1, w1 sub w0, w1, w0 ret tgt(int, int): sdiv w2, w0, w1 msub w0, w2, w1, w0 sub w0, w1, w0 ret MSVC can do the transformation.
next prev parent reply other threads:[~2021-09-07 18:43 UTC|newest] Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-09-07 15:22 [Bug tree-optimization/102232] New: " llvm at rifkin dot dev 2021-09-07 15:24 ` [Bug tree-optimization/102232] " llvm at rifkin dot dev 2021-09-07 18:34 ` pinskia at gcc dot gnu.org 2021-09-07 18:43 ` pinskia at gcc dot gnu.org [this message] 2021-11-09 4:30 ` navidrahimi at microsoft dot com 2021-11-09 4:34 ` navidrahimi at microsoft dot com 2021-11-10 16:17 ` navidrahimi at microsoft dot com 2021-11-10 16:19 ` navidrahimi at microsoft dot com 2021-11-10 16:22 ` navidrahimi at microsoft dot com 2021-11-23 3:08 ` cvs-commit at gcc dot gnu.org 2022-02-23 21:26 ` roger at nextmovesoftware dot com
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