From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.71) id 1Z0D7e-0003h1-R2 for mharc-grub-devel@gnu.org; Wed, 03 Jun 2015 14:10:38 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36917) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z0D7W-0003g2-Uj for grub-devel@gnu.org; Wed, 03 Jun 2015 14:10:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z0D7S-0005rU-Rf for grub-devel@gnu.org; Wed, 03 Jun 2015 14:10:30 -0400 Received: from mail-la0-x22e.google.com ([2a00:1450:4010:c03::22e]:34196) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z0D7S-0005rM-Jy for grub-devel@gnu.org; Wed, 03 Jun 2015 14:10:26 -0400 Received: by laew7 with SMTP id w7so14554908lae.1 for ; Wed, 03 Jun 2015 11:10:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-type:content-transfer-encoding; bh=ec71I/Xts2REzkEo6ocQC+4Xm17/Sq3bQ9gQnblxrnc=; b=aNOcmw4m9tKT4+tTiEKFWGD7kR9gNgTiGeoYTLA6MTCRdnrS0HbHU7/Quk7MDR//PQ 1BKP/npPxf16290K9LTkQ4QtMmaLzAPjVyoguOQA7PSXABk5Gp6RDQSf/Vgl9wBKTy91 TYxqjqVCKPRLDJCqqwsthTyAnWKEkrF4tcz6H85ujHdHDR/Rytcy2s/jmeaBTZgJnkJk 5PWjkS+wpgITK+tkL2lsLSkJ8KzzuuNQhDHVb0WG+ARvImcpKAl/ApDzKB7J3+tttTml ieb11UYBdttFeWQPJQ6PJLlm+y8hZtux0JEBO8LDuwBWo8roEcwfZQOvuGRzGIvaffai AJJA== X-Received: by 10.153.11.163 with SMTP id ej3mr33068299lad.105.1433355025865; Wed, 03 Jun 2015 11:10:25 -0700 (PDT) Received: from opensuse.site (ppp91-76-14-38.pppoe.mtu-net.ru. [91.76.14.38]) by mx.google.com with ESMTPSA id ew11sm3777264lac.31.2015.06.03.11.10.24 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 03 Jun 2015 11:10:25 -0700 (PDT) Date: Wed, 3 Jun 2015 21:10:24 +0300 From: Andrei Borzenkov To: Leif Lindholm Subject: Re: arm64 softfloat Message-ID: <20150603211024.4fdca868@opensuse.site> In-Reply-To: <20150603165212.GO8790@bivouac.eciton.net> References: <20150602120917.GI8790@bivouac.eciton.net> <20150602145531.GK8790@bivouac.eciton.net> <556DDBCC.3000500@gmail.com> <20150602195112.5d178bb7@opensuse.site> <20150603110650.GM8790@bivouac.eciton.net> <20150603192916.3318ceef@opensuse.site> <20150603165212.GO8790@bivouac.eciton.net> X-Mailer: Claws Mail 3.11.0 (GTK+ 2.24.27; x86_64-suse-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2a00:1450:4010:c03::22e Cc: The development of GNU GRUB , Vladimir =?UTF-8?B?J8+GLWNvZGVyL3BoY29kZXIn?= Serbinenko X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: The development of GNU GRUB List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Jun 2015 18:10:36 -0000 =D0=92 Wed, 3 Jun 2015 17:52:12 +0100 Leif Lindholm =D0=BF=D0=B8=D1=88=D0=B5=D1=82: > > >=20 > > > https://gcc.gnu.org/onlinedocs/gcc/AArch64-Options.html > > > --- > > > Generate code which uses only the general registers.=20 > > > --- > >=20 > > Sure, I know this. Unfortunately it does not say how it is related to > > floating point arithmetic at all. armclang at least makes it explicit. >=20 > While it could more explicit, I am not aware of any A64 floating-point > instructions that can operate without floating-point registers. >=20 > Also, I spoke with the ARM gcc devs - the gcc documentation is > intended to be improved to also state that "-mgeneral-regs-only is > equivalent to +nofp being specified". >=20 Sounds like it is OK then.