From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id AF496385841B; Fri, 13 Oct 2023 07:51:59 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org AF496385841B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1697183519; bh=gaOKTU3RfyNQNkJSS68jYXI+2pHlZY+HiTVc+QMxZaw=; h=From:To:Subject:Date:In-Reply-To:References:From; b=HYdCeCdI7HlJEOc0Ay+2IqW1mxIqgls0RDZZgyh4jofy/yJi6glHqTJ4zS83gGFqx iPgsJ78fzCITrIIINcRH+tIHoExhDpIxrZ0uqlm7pGeOGa3RAPw8MiARyCimZm6q3z CTa2LlWjs30vC1FyJa9YPCgK3k/DkFxOTRVfMqOo= From: "juzhe.zhong at rivai dot ai" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/111794] RISC-V: Missed SLP optimization due to mask mode precision Date: Fri, 13 Oct 2023 07:51:59 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: juzhe.zhong at rivai dot ai X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111794 --- Comment #2 from JuzheZhong --- Note that the reason we adjust the mask mode precision here is because=20 the DSE bug for "small mask mode" https://github.com/gcc-mirror/gcc/commit/247cacc9e381d666a492dfa4ed61b7b19e= 2d008f This is the commit show why we adjust precision.=