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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/107718] clang optimizes TSVC s317 a lot better Date: Thu, 17 Nov 2022 08:13:07 +0000 [thread overview] Message-ID: <bug-107718-4-yjoGexAexv@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-107718-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107718 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- it seems to split the reduction, performing many 0.99 ** n in parallel which is stupid itself as those compute the same result ... I'd say the benchmark is stupid and with -ffast-math we could optimize it to pow (0.99, LEN_1D/2), aka const-fold the inner loop in final value replacement.
next prev parent reply other threads:[~2022-11-17 8:13 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-11-16 17:11 [Bug middle-end/107718] New: " hubicka at gcc dot gnu.org 2022-11-17 8:13 ` rguenth at gcc dot gnu.org [this message] 2022-11-21 9:55 ` [Bug middle-end/107718] " marxin at gcc dot gnu.org
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