From patchwork Tue Sep 6 03:42:20 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 9315691 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 E9DB6601C0 for ; Tue, 6 Sep 2016 05:35:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CA14328B32 for ; Tue, 6 Sep 2016 05:35:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BD0E028B56; Tue, 6 Sep 2016 05:35:49 +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 EE0ED28B32 for ; Tue, 6 Sep 2016 05:35:48 +0000 (UTC) Received: from localhost ([::1]:58795 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bh92x-0001MP-CA for patchwork-qemu-devel@patchwork.kernel.org; Tue, 06 Sep 2016 01:35:47 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49707) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bh7GD-0002yb-2m for qemu-devel@nongnu.org; Mon, 05 Sep 2016 23:41:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bh7G8-0007ls-31 for qemu-devel@nongnu.org; Mon, 05 Sep 2016 23:41:20 -0400 Received: from ozlabs.org ([103.22.144.67]:47838) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bh7G7-0007kg-P0; Mon, 05 Sep 2016 23:41:16 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 3sSsp24T2Wz9sD5; Tue, 6 Sep 2016 13:41:13 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1473133274; bh=+KH7u155ME3lfsXSAtFxWiAIm4F7fVS/NvLg1QWWvU4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QUjTlAOTbrVK3LT0g/3jsNEWy7a7g9xguQYS1IX1A3lvMU98ZaQZm7hfodKbOrYWf ZnMrmYgk1nHQ/6ucGYQER3Bk0A8noaYIPLc5vpaMejceqqO3RvsDzAdhGB07QTdbD2 6BLHnU86E0rMUn2qZcZztdLrrndcG0WjeRIWm+mk= From: David Gibson To: peter.maydell@linaro.org Date: Tue, 6 Sep 2016 13:42:20 +1000 Message-Id: <1473133396-18940-11-git-send-email-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1473133396-18940-1-git-send-email-david@gibson.dropbear.id.au> References: <1473133396-18940-1-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 10/66] target-ppc: add cnttzw[.] 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: David Gibson , qemu-ppc@nongnu.org, agraf@suse.de, Nikunj A Dadhania , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Nikunj A Dadhania Add ISA3.0: Count trailing zeros word instruction. 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 | 11 +++++++++++ 3 files changed, 17 insertions(+) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 0c29c01..9c79808 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -38,6 +38,7 @@ DEF_HELPER_4(divweu, tl, env, tl, tl, i32) DEF_HELPER_4(divwe, tl, env, tl, tl, i32) DEF_HELPER_FLAGS_1(cntlzw, TCG_CALL_NO_RWG_SE, tl, tl) +DEF_HELPER_FLAGS_1(cnttzw, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(popcntb, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(popcntw, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_2(cmpb, TCG_CALL_NO_RWG_SE, tl, tl, tl) diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 93e8dfa..02b6df3 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -145,6 +145,11 @@ target_ulong helper_cntlzw(target_ulong t) return clz32(t); } +target_ulong helper_cnttzw(target_ulong t) +{ + return ctz32(t); +} + #if defined(TARGET_PPC64) target_ulong helper_cntlzd(target_ulong t) { diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 8eea692..b248453 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -1583,6 +1583,16 @@ static void gen_cntlzw(DisasContext *ctx) if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } + +/* cnttzw */ +static void gen_cnttzw(DisasContext *ctx) +{ + gen_helper_cnttzw(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)]); + } +} + /* eqv & eqv. */ GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER); /* extsb & extsb. */ @@ -10057,6 +10067,7 @@ GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER), +GEN_HANDLER_E(cnttzw, 0x1F, 0x1A, 0x10, 0x00000000, PPC_NONE, PPC2_ISA300), GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER), GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER), GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),