From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by sourceware.org (Postfix) with ESMTPS id 5B9453858C50 for ; Tue, 29 Mar 2022 13:39:35 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 5B9453858C50 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 360B61F882; Tue, 29 Mar 2022 13:39:34 +0000 (UTC) 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 18FB113AB1; Tue, 29 Mar 2022 13:39:34 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id El4CBRYMQ2KjQAAAMHmgww (envelope-from ); Tue, 29 Mar 2022 13:39:34 +0000 Date: Tue, 29 Mar 2022 15:39:32 +0200 From: Tom de Vries To: gcc-patches@gcc.gnu.org Cc: Tobias Burnus , Thomas Schwinge Subject: [PATCH][nvptx, doc] Update misa and mptx, add march and march-map Message-ID: <20220329133931.GA5489@delia.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) X-Spam-Status: No, score=-12.6 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Mar 2022 13:39:37 -0000 Hi, Update nvptx documentation: - Use meaningful terms: "PTX ISA target architecture" and "PTX ISA version". - Remove invalid claim that "ISA strings must be lower-case". - Add missing sm_xx entries. - Fix default ISA. - Add march, copying misa doc. - Declare misa an march alias. - Add march-map. - Fix "for given the specified" typo. Any comments? Thanks, - Tom [nvptx, doc] Update misa and mptx, add march and march-map gcc/ChangeLog: 2022-03-29 Tom de Vries * doc/invoke.texi (misa, mptx): Update. (march, march-map): Add. --- gcc/doc/invoke.texi | 27 ++++++++++++++++++++------- 1 file changed, 20 insertions(+), 7 deletions(-) diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 554e04ecbf3a..eb2fe959e600 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -27540,18 +27540,31 @@ These options are defined for Nvidia PTX: Ignored, but preserved for backward compatibility. Only 64-bit ABI is supported. -@item -misa=@var{ISA-string} +@item -march=@var{architecture-string} @opindex march -Generate code for given the specified PTX ISA (e.g.@: @samp{sm_35}). ISA -strings must be lower-case. Valid ISA strings include @samp{sm_30} and -@samp{sm_35}. The default ISA is sm_35. +Generate code for the specified PTX ISA target architecture +(e.g.@: @samp{sm_35}). Valid architecture strings are @samp{sm_30}, +@samp{sm_35}, @samp{sm_53} @samp{sm_70}, @samp{sm_75} and +@samp{sm_80}. The default target architecture is sm_30. + +@item -misa=@var{architecture-string} +@opindex misa +Alias of @option{-march=}. + +@item -march-map=@var{architecture-string} +@opindex march +Select the closest available @option{-march=} value that is not more +capable. For instance, for @option{-march-map=sm_50} select +@option{-march=sm_35}, and for @option{-march-map=sm_53} select +@option{-march=sm_53}. @item -mptx=@var{version-string} @opindex mptx -Generate code for given the specified PTX version (e.g.@: @samp{7.0}). +Generate code for the specified PTX ISA version (e.g.@: @samp{7.0}). Valid version strings include @samp{3.1}, @samp{6.0}, @samp{6.3}, and -@samp{7.0}. The default PTX version is 6.0, unless a higher minimal -version is required for specified PTX ISA via option @option{-misa=}. +@samp{7.0}. The default PTX version is 6.0, unless a higher version +is required for specified PTX ISA target architecture via option +@option{-march=}. @item -mmainkernel @opindex mmainkernel