From patchwork Wed Sep 7 10:28:48 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 9318925 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8D54F601C0 for ; Wed, 7 Sep 2016 10:50:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7DAA329233 for ; Wed, 7 Sep 2016 10:50:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7274D29239; Wed, 7 Sep 2016 10:50:44 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D9D8929233 for ; Wed, 7 Sep 2016 10:50:42 +0000 (UTC) Received: from localhost ([::1]:39468 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bhaRG-0007fo-2R for patchwork-qemu-devel@patchwork.kernel.org; Wed, 07 Sep 2016 06:50:42 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33340) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bha5c-0002au-LB for qemu-devel@nongnu.org; Wed, 07 Sep 2016 06:28:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bha5X-0004bB-4D for qemu-devel@nongnu.org; Wed, 07 Sep 2016 06:28:19 -0400 Received: from ozlabs.org ([103.22.144.67]:58319) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bha5W-0004aT-Qn; Wed, 07 Sep 2016 06:28:15 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 3sTfn732H6z9sdn; Wed, 7 Sep 2016 20:28:10 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1473244091; bh=FsIfoAhVyvAhvTKXokaVKJ4RnA4Z5sA6nn9YyQPVRYc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WkZ6H+k1ZFO6QOcfMgG8IBdkSeO+376iTjfsYenmyp21ERqmuX9aYfZY2Cbr3lVR/ gDqpPXkZJvcN/ZAMKJAVT+R81233fGrJPhC2TXwQwlAcYu8v8Hq0QWcQV9dNJwRaM/ aEgCL+U2NRJJvKU1FI4/Nvmcg8Ie7FcIGpiJe5g0= From: David Gibson To: peter.maydell@linaro.org Date: Wed, 7 Sep 2016 20:28:48 +1000 Message-Id: <1473244183-31510-10-git-send-email-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1473244183-31510-1-git-send-email-david@gibson.dropbear.id.au> References: <1473244183-31510-1-git-send-email-david@gibson.dropbear.id.au> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 103.22.144.67 Subject: [Qemu-devel] [PULL 09/64] target-ppc: add cnttzd[.] instruction X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lvivier@redhat.com, thuth@redhat.com, Sandipan Das , Nikunj A Dadhania , agraf@suse.de, qemu-devel@nongnu.org, qemu-ppc@nongnu.org, David Gibson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Sandipan Das Add ISA3.0 Count trailing zeros double word Signed-off-by: Sandipan Das [ added ISA300 flag ] Signed-off-by: Nikunj A Dadhania Reviewed-by: Richard Henderson Signed-off-by: David Gibson --- target-ppc/helper.h | 1 + target-ppc/int_helper.c | 5 +++++ target-ppc/translate.c | 10 ++++++++++ 3 files changed, 16 insertions(+) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 1f5cfd0..0c29c01 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -44,6 +44,7 @@ DEF_HELPER_FLAGS_2(cmpb, TCG_CALL_NO_RWG_SE, tl, tl, tl) DEF_HELPER_3(sraw, tl, env, tl, tl) #if defined(TARGET_PPC64) DEF_HELPER_FLAGS_1(cntlzd, TCG_CALL_NO_RWG_SE, tl, tl) +DEF_HELPER_FLAGS_1(cnttzd, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(popcntd, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_2(bpermd, TCG_CALL_NO_RWG_SE, i64, i64, i64) DEF_HELPER_3(srad, tl, env, tl, tl) diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 7445376..93e8dfa 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -150,6 +150,11 @@ target_ulong helper_cntlzd(target_ulong t) { return clz64(t); } + +target_ulong helper_cnttzd(target_ulong t) +{ + return ctz64(t); +} #endif #if defined(TARGET_PPC64) diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 90aabb5..8eea692 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -1823,6 +1823,15 @@ static void gen_cntlzd(DisasContext *ctx) if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } + +/* cnttzd */ +static void gen_cnttzd(DisasContext *ctx) +{ + gen_helper_cnttzd(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); + if (unlikely(Rc(ctx->opcode) != 0)) { + gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); + } +} #endif /*** Integer rotate ***/ @@ -10060,6 +10069,7 @@ GEN_HANDLER_E(prtyw, 0x1F, 0x1A, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA205), #if defined(TARGET_PPC64) GEN_HANDLER(popcntd, 0x1F, 0x1A, 0x0F, 0x0000F801, PPC_POPCNTWD), GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B), +GEN_HANDLER_E(cnttzd, 0x1F, 0x1A, 0x11, 0x00000000, PPC_NONE, PPC2_ISA300), GEN_HANDLER_E(prtyd, 0x1F, 0x1A, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA205), GEN_HANDLER_E(bpermd, 0x1F, 0x1C, 0x07, 0x00000001, PPC_NONE, PPC2_PERM_ISA206), #endif