From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id 4851F3858C53; Thu, 22 Sep 2022 01:27:05 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 4851F3858C53
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1663810025;
	bh=fv6z6Glu4rsxPpqpLiaDk7UnsTWl6P0zmB80el3Y7sg=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=bxsIjO6wNzhouKxdChXeIirjCKTZ0sY2ZCrspt++hWMRNb4OOGxv1JdTGIYg9lC81
	 tm9L24yE2NprEPkXvbVE3SbZZGs1qd8ClFLvRbD3cWpCHNu1N2cI8IMyYpzht9Edds
	 QuvT5PT1RT+Pz3qbpDvkcyJ0LST4qaExssBovDDM=
From: "crazylht at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/106910] roundss not vectorized
Date: Thu, 22 Sep 2022 01:27:04 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: target
X-Bugzilla-Version: 13.0
X-Bugzilla-Keywords: missed-optimization
X-Bugzilla-Severity: enhancement
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: <bug-106910-4-9oLdNNzaUZ@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-106910-4@http.gcc.gnu.org/bugzilla/>
References: <bug-106910-4@http.gcc.gnu.org/bugzilla/>
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: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106910

--- Comment #11 from Hongtao.liu <crazylht at gmail dot com> ---
(In reply to Hongtao.liu from comment #10)
> Because the round insn does not trap on denormals.

Note for scalar version, gcc generates roundss $9, %xmm0, %xmm0 which doesn=
't
raise exception because it's allowed by the below option.
-----
ffp-int-builtin-inexact
Common Var(flag_fp_int_builtin_inexact) Init(1) Optimization
Allow built-in functions ceil, floor, round, trunc to raise \"inexact\"
exceptions.
-----=