From patchwork Tue Nov 9 05:52:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 12609877 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2800AC433F5 for ; Tue, 9 Nov 2021 07:08:36 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D35986115B for ; Tue, 9 Nov 2021 07:08:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org D35986115B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:33660 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mkLFC-0004wZ-RP for qemu-devel@archiver.kernel.org; Tue, 09 Nov 2021 02:08:34 -0500 Received: from eggs.gnu.org ([209.51.188.92]:50924) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkK5G-0006Jn-9i; Tue, 09 Nov 2021 00:54:14 -0500 Received: from [2404:9400:2:0:216:3eff:fee2:21ea] (port=45451 helo=gandalf.ozlabs.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkK5D-0006yM-PR; Tue, 09 Nov 2021 00:54:13 -0500 Received: by gandalf.ozlabs.org (Postfix, from userid 1007) id 4HpHDq04f2z4xfY; Tue, 9 Nov 2021 16:52:11 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gibson.dropbear.id.au; s=201602; t=1636437131; bh=3XXFgvLM3HtKQoCA3V3si6MoLGumNoVBwdnlcqaW2cY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FJgNGi5oWtQm3LvYRF3eMCLZIeXmyMiET43opr5g9O2KA1FKmvwQ1Lz4Df0gNHLyH fpI5F+qWih+YEvm9NHzjNEb6AggvsT0T+0NZ5D4vHUjM3pr3yX/WkI9TfWIfxEea86 wmTThTDVuvuCkqBGmLlErYfb3JIT9YiU9FoQUs0E= From: David Gibson To: peter.maydell@linaro.org, clg@kaod.org, danielhb413@gmail.com, groug@kaod.org Subject: [PULL 52/54] target/ppc: cntlzdm/cnttzdm implementation without brcond Date: Tue, 9 Nov 2021 16:52:02 +1100 Message-Id: <20211109055204.230765-53-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211109055204.230765-1-david@gibson.dropbear.id.au> References: <20211109055204.230765-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 X-Host-Lookup-Failed: Reverse DNS lookup failed for 2404:9400:2:0:216:3eff:fee2:21ea (failed) Received-SPF: pass client-ip=2404:9400:2:0:216:3eff:fee2:21ea; envelope-from=dgibson@gandalf.ozlabs.org; helo=gandalf.ozlabs.org X-Spam_score_int: -9 X-Spam_score: -1.0 X-Spam_bar: - X-Spam_report: (-1.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RDNS_NONE=0.793, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no 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: Matheus Ferst , Richard Henderson , qemu-ppc@nongnu.org, qemu-devel@nongnu.org, David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Matheus Ferst Suggested-by: Richard Henderson Signed-off-by: Matheus Ferst Message-Id: <20211104123719.323713-26-matheus.ferst@eldorado.org.br> Reviewed-by: Richard Henderson Signed-off-by: David Gibson --- target/ppc/translate/fixedpoint-impl.c.inc | 31 +++++++++++----------- 1 file changed, 16 insertions(+), 15 deletions(-) diff --git a/target/ppc/translate/fixedpoint-impl.c.inc b/target/ppc/translate/fixedpoint-impl.c.inc index e093562e2a..7fecff4579 100644 --- a/target/ppc/translate/fixedpoint-impl.c.inc +++ b/target/ppc/translate/fixedpoint-impl.c.inc @@ -416,32 +416,33 @@ static bool trans_CFUGED(DisasContext *ctx, arg_X *a) static void do_cntzdm(TCGv_i64 dst, TCGv_i64 src, TCGv_i64 mask, int64_t trail) { - TCGv_i64 tmp; - TCGLabel *l1; + TCGv_i64 t0, t1; - tmp = tcg_temp_local_new_i64(); - l1 = gen_new_label(); + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); - tcg_gen_and_i64(tmp, src, mask); + tcg_gen_and_i64(t0, src, mask); if (trail) { - tcg_gen_ctzi_i64(tmp, tmp, 64); + tcg_gen_ctzi_i64(t0, t0, -1); } else { - tcg_gen_clzi_i64(tmp, tmp, 64); + tcg_gen_clzi_i64(t0, t0, -1); } - tcg_gen_brcondi_i64(TCG_COND_EQ, tmp, 0, l1); - - tcg_gen_subfi_i64(tmp, 64, tmp); + tcg_gen_setcondi_i64(TCG_COND_NE, t1, t0, -1); + tcg_gen_andi_i64(t0, t0, 63); + tcg_gen_xori_i64(t0, t0, 63); if (trail) { - tcg_gen_shl_i64(tmp, mask, tmp); + tcg_gen_shl_i64(t0, mask, t0); + tcg_gen_shl_i64(t0, t0, t1); } else { - tcg_gen_shr_i64(tmp, mask, tmp); + tcg_gen_shr_i64(t0, mask, t0); + tcg_gen_shr_i64(t0, t0, t1); } - tcg_gen_ctpop_i64(tmp, tmp); - gen_set_label(l1); + tcg_gen_ctpop_i64(dst, t0); - tcg_gen_mov_i64(dst, tmp); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); } static bool trans_CNTLZDM(DisasContext *ctx, arg_X *a)