From: Igor Munkin via Tarantool-patches <tarantool-patches@dev.tarantool.org> To: Sergey Kaplun <skaplun@tarantool.org> Cc: tarantool-patches@dev.tarantool.org Subject: Re: [Tarantool-patches] [PATCH luajit] Fix FOLD rule for x-0. Date: Thu, 23 Nov 2023 06:29:30 +0000 [thread overview] Message-ID: <ZV7xSsJQieLK7KX7@tarantool.org> (raw) In-Reply-To: <20231031124446.17478-1-skaplun@tarantool.org> Sergey, I've checked the patchset into all long-term branches in tarantool/luajit and bumped a new version in master, release/2.11 and release/2.10. On 31.10.23, Sergey Kaplun via Tarantool-patches wrote: > From: Mike Pall <mike> > > Reported by XmiliaH. > > (cherry-picked from commit 7b994e0ee0399caf6319865bbac88ddf62129a36) > > Fold optimization x - (-0) ==> x is INVALID for x = -0 in FP arithmetic. > Its result is -0 instead of +0. This patch allows only x - (+0) ==> x > optimization. > > Sergey Kaplun: > * added the description and the test for the problem > > Part of tarantool/tarantool#9145 > --- > > Branch: https://github.com/tarantool/luajit/tree/skaplun/lj-783-fix-fold-x-0 > Tarantool PR: https://github.com/tarantool/tarantool/pull/9320 > Related Issues: > * https://github.com/tarantool/tarantool/issues/9145 > * https://github.com/LuaJIT/LuaJIT/pull/783 > > src/lj_opt_fold.c | 3 +-- > test/tarantool-tests/lj-783-fold--0.test.lua | 28 ++++++++++++++++++++ > 2 files changed, 29 insertions(+), 2 deletions(-) > create mode 100644 test/tarantool-tests/lj-783-fold--0.test.lua > <snipped> > -- > 2.42.0 > -- Best regards, IM
prev parent reply other threads:[~2023-11-23 6:34 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-10-31 12:44 Sergey Kaplun via Tarantool-patches 2023-10-31 15:17 ` Maxim Kokryashkin via Tarantool-patches 2023-11-08 19:36 ` Sergey Bronnikov via Tarantool-patches 2023-11-23 6:29 ` Igor Munkin via Tarantool-patches [this message]
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