From nobody Tue Feb 10 06:07:22 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1650839852607606.2815525319778; Sun, 24 Apr 2022 15:37:32 -0700 (PDT) Received: from localhost ([::1]:44482 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nikrD-0005SI-LD for importer@patchew.org; Sun, 24 Apr 2022 18:37:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50742) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nikTC-0001kZ-Jv for qemu-devel@nongnu.org; Sun, 24 Apr 2022 18:12:44 -0400 Received: from nowt.default.pbrook.uk0.bigv.io ([2001:41c8:51:832:fcff:ff:fe00:46dd]:58822) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nikTB-0002sS-3c for qemu-devel@nongnu.org; Sun, 24 Apr 2022 18:12:42 -0400 Received: from cpc91554-seac25-2-0-cust857.7-2.cable.virginm.net ([82.27.199.90] helo=wren.home) by nowt.default.pbrook.uk0.bigv.io with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84_2) (envelope-from ) id 1nikJ8-0001ea-Pf; Sun, 24 Apr 2022 23:02:18 +0100 From: Paul Brook To: Paolo Bonzini , Richard Henderson , Eduardo Habkost Subject: [PATCH v2 20/42] i386: AVX pclmulqdq Date: Sun, 24 Apr 2022 23:01:42 +0100 Message-Id: <20220424220204.2493824-21-paul@nowt.org> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220418173904.3746036-1-paul@nowt.org> References: <20220418173904.3746036-1-paul@nowt.org> MIME-Version: 1.0 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=2001:41c8:51:832:fcff:ff:fe00:46dd; envelope-from=paul@nowt.org; helo=nowt.default.pbrook.uk0.bigv.io X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: , Cc: "open list:All patches CC here" , Paul Brook Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1650839853439100001 Content-Type: text/plain; charset="utf-8" Make the pclmulqdq helper AVX ready Signed-off-by: Paul Brook --- target/i386/ops_sse.h | 31 ++++++++++++++++++++++++------- 1 file changed, 24 insertions(+), 7 deletions(-) diff --git a/target/i386/ops_sse.h b/target/i386/ops_sse.h index 9f388b02b9..b7100fdce1 100644 --- a/target/i386/ops_sse.h +++ b/target/i386/ops_sse.h @@ -2885,14 +2885,14 @@ target_ulong helper_crc32(uint32_t crc1, target_ulo= ng msg, uint32_t len) =20 #endif =20 -void glue(helper_pclmulqdq, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, - uint32_t ctrl) +#if SHIFT =3D=3D 1 +static void clmulq(uint64_t *dest_l, uint64_t *dest_h, + uint64_t a, uint64_t b) { - uint64_t ah, al, b, resh, resl; + uint64_t al, ah, resh, resl; =20 ah =3D 0; - al =3D d->Q((ctrl & 1) !=3D 0); - b =3D s->Q((ctrl & 16) !=3D 0); + al =3D a; resh =3D resl =3D 0; =20 while (b) { @@ -2905,8 +2905,25 @@ void glue(helper_pclmulqdq, SUFFIX)(CPUX86State *env= , Reg *d, Reg *s, b >>=3D 1; } =20 - d->Q(0) =3D resl; - d->Q(1) =3D resh; + *dest_l =3D resl; + *dest_h =3D resh; +} +#endif + +void glue(helper_pclmulqdq, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, + uint32_t ctrl) +{ + Reg *v =3D d; + uint64_t a, b; + + a =3D v->Q((ctrl & 1) !=3D 0); + b =3D s->Q((ctrl & 16) !=3D 0); + clmulq(&d->Q(0), &d->Q(1), a, b); +#if SHIFT =3D=3D 2 + a =3D v->Q(((ctrl & 1) !=3D 0) + 2); + b =3D s->Q(((ctrl & 16) !=3D 0) + 2); + clmulq(&d->Q(2), &d->Q(3), a, b); +#endif } =20 void glue(helper_aesdec, SUFFIX)(CPUX86State *env, Reg *d, Reg *s) --=20 2.36.0