From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 547213858D32; Mon, 29 May 2023 05:53:56 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 547213858D32 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1685339636; bh=1U57m1+sm/9yxh1IfFtllZDfSHPepC6SpIbI5mSi8PI=; h=From:To:Subject:Date:In-Reply-To:References:From; b=wQTujmJyPgT47rXPsfwbd1ebrNd/Rp2xOz69lm40+paT55zMyaS+swJPLkSyjAC9m ilozhf4+e9KHRVaM3MZtz9zo8A8/mezBF4n+OGbQWcGA5K21aw0+wP/yeevxSY48hQ VQqeDlUe73I9wCPOZl22tMEtTuh3ox3RgqLVW48Q= From: "crazylht at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/110018] Missing vectorizable_conversion(unsigned char -> double) for BB vectorizer Date: Mon, 29 May 2023 05:53:56 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 13.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: crazylht at gmail dot com X-Bugzilla-Status: NEW 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=3D110018 --- Comment #2 from Hongtao.liu --- > Currently, when modifier is NONE, vectorizable_conversion doesn't try any > immediate type, it can be extended similar like WIDEN. >=20 After gdb the testcase, the modifier is not NONE, it's widen from V8QI to V= 4DF, and failed.=