From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-out2.suse.de (smtp-out2.suse.de [IPv6:2001:67c:2178:6::1d]) by sourceware.org (Postfix) with ESMTPS id 97B7F3857351 for ; Wed, 2 Nov 2022 18:41:52 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 97B7F3857351 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=suse.de Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id B76BA1F8B0; Wed, 2 Nov 2022 18:41:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1667414511; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=B2XyOd/aJ057O/DOtpMzzyjDUthnityV6VvVcdGTThA=; b=fgw62dbyLMSeIC2IeDDjofiHVWembur89WBPSBKgnFwAmMNICT+c39yda6GMfSEec3XVg4 BT+vEW6hMDDhP8VjpYf31ZAZ2J84iKi/nbH3wwnDGYNmuWbNQKtJq24lPoqCRFfJuqCUly tWsHIh5Fwl43i/2fNRh/RcWcNkBVMOU= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1667414511; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=B2XyOd/aJ057O/DOtpMzzyjDUthnityV6VvVcdGTThA=; b=JBxVXjJ6S8LqaiEQZLFMKOe/HKhI5XOSKrkfRYkhnyY7HmCfRPf6+rFcfq7ERsZuNOw52f LBBiST19RegEynAQ== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 96A4E139D3; Wed, 2 Nov 2022 18:41:51 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id M2i7Iu+5YmObYQAAMHmgww (envelope-from ); Wed, 02 Nov 2022 18:41:51 +0000 Message-ID: Date: Wed, 2 Nov 2022 19:41:51 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.2.2 Subject: Re: [COMMITTED] PowerPC: Add support for RFC02653 - Dense Math Facility Content-Language: en-US To: Peter Bergner , Binutils Cc: Carl Love References: <35cc8fb3-9673-f9b2-e747-50e99909d530@linux.ibm.com> From: Tom de Vries In-Reply-To: <35cc8fb3-9673-f9b2-e747-50e99909d530@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-6.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham 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 11/2/22 19:32, Peter Bergner wrote: > On 11/2/22 1:27 PM, Tom de Vries wrote: >>> +{"pmdmxvbf16ger2",PMMIRR|XX3(59,51),   P_GER2_MASK,    POWER10, 0,    {ACC, XA6a, XB6a, XMSK, YMSK, PMSK2}}, >>>  {"pmxvbf16ger2",  PMMIRR|XX3(59,51),   P_GER2_MASK,    POWER10, 0,    {ACC, XA6a, XB6a, XMSK, YMSK, PMSK2}}, >> >> Hi, >> >> I noticed a regression in a gdb test-case: >> ... >> FAIL: gdb.arch/powerpc-power10.exp: found: pmxvbf16ger2 a4,vs0,vs1,0,0,0 >> ... >> and I suspect it's because of this commit. >> >> >> The disassembly shows: >> ... >>    0x000000000000063c <+1596>:  pmdmxvbf16ger2 a4,vs0,vs1,0,0,0^M >> ... >> while the test expects pmxvbf16ger2. > > Yes, Carl notified me of the fallout. I gave him a patch that updates > the expected output to look for the new name. Carl has agreed to > shepherd the patch to fix the fallout. Could someone explain why that is the right solution? I don't see any dm registers in the instruction "pmxvbf16ger2 a4,vs0,vs1,0,0,0". Why then should the pmdmxvbf16ger2 name be used? Thanks, - Tom