From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from xry111.site (xry111.site [89.208.246.23]) by sourceware.org (Postfix) with ESMTPS id AA9373858D3C for ; Sat, 23 Dec 2023 17:04:30 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org AA9373858D3C Authentication-Results: sourceware.org; dmarc=pass (p=reject dis=none) header.from=xry111.site Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=xry111.site ARC-Filter: OpenARC Filter v1.0.0 sourceware.org AA9373858D3C Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=89.208.246.23 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1703351071; cv=none; b=KJQUEz7H8SEk/EFtO1Qa0ktQI6+Tf4VbfylkehCzsb9UjOTSCstMB1IInrcSvrdTP7n9zjA++qxj3jibKvQOn46DV/QhI/3GtO4JEyET241C2ouFjL4s77PaVy1PEqLyrO0ROKVYlkkUGGi7kW7ru6jwh3JcR+ugpvZCgM3vx+s= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1703351071; c=relaxed/simple; bh=uBBZ5+0Rib0Prjc5zAT2CSc+VWFF7Cu5rO8KBVlnfeo=; h=DKIM-Signature:Message-ID:Subject:From:To:Date:MIME-Version; b=uS51TA/htbIJcfk2zkC3VNFo1QViQANUD8mZ2Jh2AQKEkDIq24pRDMnkQgOn2MFVjoNB3gT0tEH5pIDSMDorShMeWn+U9zJ4ubM0Dq+MWCYYAgUS0GXh6yAYnzboJt0QPvv2SAYSScXqm37PDXYPvM6tRi70mp9bWWsZrwOOxhk= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=xry111.site; s=default; t=1703351069; bh=uBBZ5+0Rib0Prjc5zAT2CSc+VWFF7Cu5rO8KBVlnfeo=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=SLKdmvSnEGkO7qXbTbdlbBgfsUdNTs6Y2GXPUJtAKrxtYkJomMNkiWocQM61Wq+tv h35s7yTVOryxU2+HCKgYISwxdFmboUwdaiU4HAi1MtRjkWlvThYy6WFkgA0zfLqbFg k8ILGll7BvDi74HbWxs48Osbgpv25wfKi5/1d8Ik= Received: from [127.0.0.1] (unknown [IPv6:2001:470:683e::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-384) server-digest SHA384) (Client did not present a certificate) (Authenticated sender: xry111@xry111.site) by xry111.site (Postfix) with ESMTPSA id 01E7166AE5; Sat, 23 Dec 2023 12:04:28 -0500 (EST) Message-ID: <73f1d77deffec273aca849f4dfea8bbd7a5cd950.camel@xry111.site> Subject: Re: [PATCH] LoongArch: Expand left rotate to right rotate with negated amount From: Xi Ruoyao To: chenglulu , gcc-patches@gcc.gnu.org Cc: i@xen0n.name, xuchenghua@loongson.cn, c@jia.je Date: Sun, 24 Dec 2023 01:04:27 +0800 In-Reply-To: <6a6dbeaf59c6319d15748ec0c053b26c01fe4b01.camel@xry111.site> References: <20231218134414.1513666-1-xry111@xry111.site> <6a6dbeaf59c6319d15748ec0c053b26c01fe4b01.camel@xry111.site> Autocrypt: addr=xry111@xry111.site; prefer-encrypt=mutual; keydata=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 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.2 MIME-Version: 1.0 X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,LIKELY_SPAM_FROM,SPF_HELO_PASS,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Sun, 2023-12-24 at 00:56 +0800, Xi Ruoyao wrote: > On Sat, 2023-12-23 at 15:00 +0800, chenglulu wrote: > > Hi, > >=20 > > This patch will cause the following tests to fail: > >=20 > > +FAIL: gcc.dg/vect/pr97081-2.c (internal compiler error: in extract_ins= n, at recog.cc:2812) > > +FAIL: gcc.dg/vect/pr97081-2.c (test for excess errors) > > +FAIL: gcc.dg/vect/pr97081-2.c -flto -ffat-lto-objects (internal compil= er error: in extract_insn, at recog.cc:2812) > > +FAIL: gcc.dg/vect/pr97081-2.c -flto -ffat-lto-objects (test for excess= errors) >=20 > I can reproduce it now but it did not happen when I submitted the patch. > The difference may be caused by a different binutils version or some > other changes in GCC.=C2=A0 I'll figure it out... Phew, it was simple. I uploaded an earlier draft version of this patch onto the dev box :(. --=20 Xi Ruoyao School of Aerospace Science and Technology, Xidian University