From nobody Sat Nov 23 23:40:27 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1728666844; cv=none; d=zohomail.com; s=zohoarc; b=USoHorTem2bc+JHqSwweFo24J3n5ZNWFHPOEHWoikjriPNLouVyGomtEQUDU9QBOdfuw3uAwiHqnfBMOC7OP6QqvQzyvvq7ag26ljRPSElQsVvjPY1E0ccgKtnvuScjQK1FXV6LSB9Ugc8BRBdlKRfr5eVScVWoRW2Ly4zjAuSE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1728666844; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=dl6dcOfhmNp3NrxHyKacGU/S0XBvVsXoKUJy7DRsnQc=; b=Mu6JzSVuda4hnyFrwTGBIJD4webjHFEMYjSCMS9xLG4kVTx4Wslj4Qye6lDp2yQKg9+v3z68+s3qyMrYS40vTMxPhHbpEUaun1Tfk7o4oHRd0n532jEbkr4FNtiDuspJyPt3dQh3csELw2ytX5Ia+YBc667LjPpDYRNIQ+DLK7A= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 172866684482373.52687168567002; Fri, 11 Oct 2024 10:14:04 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1szJ4c-0001JC-Mn; Fri, 11 Oct 2024 13:05:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1szJ4S-0000hD-2E for qemu-devel@nongnu.org; Fri, 11 Oct 2024 13:04:56 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1szHdy-0007FV-Nj for qemu-devel@nongnu.org; Fri, 11 Oct 2024 11:33:32 -0400 Received: from mail-ed1-f71.google.com (mail-ed1-f71.google.com [209.85.208.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-433-bh0bVuhdMBuoAa5BFWppjA-1; Fri, 11 Oct 2024 11:33:28 -0400 Received: by mail-ed1-f71.google.com with SMTP id 4fb4d7f45d1cf-5c9465e3547so741150a12.3 for ; Fri, 11 Oct 2024 08:33:28 -0700 (PDT) Received: from avogadro.local ([151.81.124.37]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5c9372ae701sm2012038a12.85.2024.10.11.08.33.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Oct 2024 08:33:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1728660810; h=from:from:reply-to:subject:subject: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=dl6dcOfhmNp3NrxHyKacGU/S0XBvVsXoKUJy7DRsnQc=; b=OKgzqj6y7VCRCJp8ljgFr7vjDmES9nW4A7M70kS+i/t4J5kJps0jHXciKUM0kWxI7nFtkm hGs2trYv0MRc4TmXnjOhdb4qoorWxG4jlokcBMLQnmHhhR/Ebxw/9ddyz06k+hhs+M6H/l F64hF/SYAJbJJdIuNHZYlKRMl8o1pX8= X-MC-Unique: bh0bVuhdMBuoAa5BFWppjA-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728660806; x=1729265606; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=dl6dcOfhmNp3NrxHyKacGU/S0XBvVsXoKUJy7DRsnQc=; b=cSL7pknbJCnSBQLh8VUTUz/TZTryC+/KiFia0ansDCczw9V3F/IxlRXgpocrOsMf6r jtj+nDbmhb7CdpZYsXC2XVRI/Kes1LRh9ZNMkBhxw/DWcCDQr1j903+SqAUVh6aNmwaA rw+DMKx5YXss1XjJy9sUV2CTl2cyJtrKDIhYUEB2YSane5J4XkM2syRZuEP6xEYqPYMm y7dxlj1w2Ey05NoPyvIYgcOK+5xQLWMxwcAI/vR8XuvGiXlcUj3mrj9Jwz+1Z0+TU2+p KOLz3zxExzotF7DsikqgZtaTM92PkPJPT9T+Y+sLYwANYwG7FFTazRftxm4MgOQtT8Cr VmcA== X-Gm-Message-State: AOJu0Ywr8IOi/TQWiMs+OCbSMuw8fmGCbAIP+X0slECAzBv4lVJJRaRM 1XsCfcu70grJoAqhQ7uH73JOSW9/1C7JnyvLgHkdmPPHEu9k+uKuYTvdTr9Z49MHHYQnEq3oQW+ mpvrSoigUhbXh3bBmVrYf+DkbzntanFe17JSXSQSlSIAWn/vgQrZi0Je2CaCbsv/P5K19MHs+Vi qgqdB9R0k2MVmtw5vpuOfKV/lVH8FfUUSCvs1n5IQ= X-Received: by 2002:a05:6402:26cf:b0:5c5:c059:63c6 with SMTP id 4fb4d7f45d1cf-5c948c88336mr2251755a12.2.1728660806046; Fri, 11 Oct 2024 08:33:26 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGSXtniGKImJ8V8RYL40QFNziA/aVy/eusWDt39Efn6WOwREBlD134jmzrQ7q8+f7lht8TzSw== X-Received: by 2002:a05:6402:26cf:b0:5c5:c059:63c6 with SMTP id 4fb4d7f45d1cf-5c948c88336mr2251729a12.2.1728660805526; Fri, 11 Oct 2024 08:33:25 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: Pierrick Bouvier , Michael Tokarev , =?UTF-8?q?Alex=20Benn=C3=A9e?= , qemu-stable@nongnu.org Subject: [PULL v3 12/18] meson: define qemu_isa_flags Date: Fri, 11 Oct 2024 17:32:20 +0200 Message-ID: <20241011153227.81770-13-pbonzini@redhat.com> X-Mailer: git-send-email 2.46.2 In-Reply-To: <20241011153227.81770-1-pbonzini@redhat.com> References: <20241011153227.81770-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.15, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1728666846153116600 Create a separate variable for compiler flags that enable specific instruction set extensions, so that they can be used with cc.compiles/cc.links. Note that -mfpmath=3Dsse is a code generation option but it does not enable new instructions, therefore I did not make it part of qemu_isa_flags. Suggested-by: Pierrick Bouvier Reviewed-by: Michael Tokarev Reviewed-by: Alex Benn=C3=A9e Tested-by: Alex Benn=C3=A9e Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini --- meson.build | 24 +++++++++++++++--------- 1 file changed, 15 insertions(+), 9 deletions(-) diff --git a/meson.build b/meson.build index 76335bb2a51..65ea45cef03 100644 --- a/meson.build +++ b/meson.build @@ -335,6 +335,10 @@ elif host_os =3D=3D 'windows' endif endif =20 +# Choose instruction set (currently x86-only) + +qemu_isa_flags =3D [] + # __sync_fetch_and_and requires at least -march=3Di486. Many toolchains # use i686 as default anyway, but for those that don't, an explicit # specification is necessary @@ -351,7 +355,7 @@ if host_arch =3D=3D 'i386' and not cc.links(''' sfaa(&val); return val; }''') - qemu_common_flags =3D ['-march=3Di486'] + qemu_common_flags + qemu_isa_flags +=3D ['-march=3Di486'] endif =20 # Pick x86-64 baseline version @@ -367,29 +371,31 @@ if host_arch in ['i386', 'x86_64'] else # present on basically all processors but technically not part of # x86-64-v1, so only include -mneeded for x86-64 version 2 and above - qemu_common_flags =3D ['-mcx16'] + qemu_common_flags + qemu_isa_flags +=3D ['-mcx16'] endif endif if get_option('x86_version') >=3D '2' - qemu_common_flags =3D ['-mpopcnt'] + qemu_common_flags - qemu_common_flags =3D cc.get_supported_arguments('-mneeded') + qemu_co= mmon_flags + qemu_isa_flags +=3D ['-mpopcnt'] + qemu_isa_flags +=3D cc.get_supported_arguments('-mneeded') endif if get_option('x86_version') >=3D '3' - qemu_common_flags =3D ['-mmovbe', '-mabm', '-mbmi', '-mbmi2', '-mfma',= '-mf16c'] + qemu_common_flags + qemu_isa_flags +=3D ['-mmovbe', '-mabm', '-mbmi', '-mbmi2', '-mfma', '= -mf16c'] endif =20 # add required vector instruction set (each level implies those below) if get_option('x86_version') =3D=3D '1' - qemu_common_flags =3D ['-msse2'] + qemu_common_flags + qemu_isa_flags +=3D ['-msse2'] elif get_option('x86_version') =3D=3D '2' - qemu_common_flags =3D ['-msse4.2'] + qemu_common_flags + qemu_isa_flags +=3D ['-msse4.2'] elif get_option('x86_version') =3D=3D '3' - qemu_common_flags =3D ['-mavx2'] + qemu_common_flags + qemu_isa_flags +=3D ['-mavx2'] elif get_option('x86_version') =3D=3D '4' - qemu_common_flags =3D ['-mavx512f', '-mavx512bw', '-mavx512cd', '-mavx= 512dq', '-mavx512vl'] + qemu_common_flags + qemu_isa_flags +=3D ['-mavx512f', '-mavx512bw', '-mavx512cd', '-mavx51= 2dq', '-mavx512vl'] endif endif =20 +qemu_common_flags =3D qemu_isa_flags + qemu_common_flags + if get_option('prefer_static') qemu_ldflags +=3D get_option('b_pie') ? '-static-pie' : '-static' endif --=20 2.46.2