From nobody Tue Nov 4 18:52:28 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1530598427787838.9600274614667; Mon, 2 Jul 2018 23:13:47 -0700 (PDT) Received: from localhost ([::1]:38011 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1faEZO-0006ol-Tf for importer@patchew.org; Tue, 03 Jul 2018 02:13:46 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39956) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1faEKZ-0002uj-Ro for qemu-devel@nongnu.org; Tue, 03 Jul 2018 01:58:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1faEKV-00070i-5P for qemu-devel@nongnu.org; Tue, 03 Jul 2018 01:58:27 -0400 Received: from ozlabs.org ([203.11.71.1]:54425) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1faEKU-0006y7-Mf; Tue, 03 Jul 2018 01:58:23 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 41KYMC0K50z9sBk; Tue, 3 Jul 2018 15:58:13 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1530597495; bh=K5siGL/TPnZ2c+RHbEMCenbhb5lOhB7Qo5pf7b3L9wc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RBsaun2ttV6N3/Wk63rulA7YCyb1Za+/H7KwAyQX7I7npmBuLPbq26ejLsR1+mzBG Ca8Azu3LfePn/qwWwNhw9e7witpdVJBe7ZB2h7oYddf5hgPi1y2VTFOKg6nTaopZgz 85lXz6/TJsaHeAfgLtz2DB9tXEaSmjZd9N8OTjyA= From: David Gibson To: peter.maydell@linaro.org Date: Tue, 3 Jul 2018 15:57:50 +1000 Message-Id: <20180703055804.13449-22-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180703055804.13449-1-david@gibson.dropbear.id.au> References: <20180703055804.13449-1-david@gibson.dropbear.id.au> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 203.11.71.1 Subject: [Qemu-devel] [PULL 21/35] target/ppc: Use atomic min/max helpers 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: qemu-devel@nongnu.org, Richard Henderson , mdroth@linux.vnet.ibm.com, agraf@suse.de, aik@ozlabs.ru, groug@kaod.org, qemu-ppc@nongnu.org, clg@kaod.org, David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Richard Henderson These operations were previously unimplemented for ppc. Signed-off-by: Richard Henderson Signed-off-by: David Gibson --- target/ppc/translate.c | 22 +++++++++++++++++++--- 1 file changed, 19 insertions(+), 3 deletions(-) diff --git a/target/ppc/translate.c b/target/ppc/translate.c index c2a28be6d7..79285b6698 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -3102,13 +3102,21 @@ static void gen_ld_atomic(DisasContext *ctx, TCGMem= Op memop) case 3: /* Fetch and 'and' */ tcg_gen_atomic_fetch_and_tl(dst, EA, src, ctx->mem_idx, memop); break; - case 8: /* Swap */ - tcg_gen_atomic_xchg_tl(dst, EA, src, ctx->mem_idx, memop); - break; case 4: /* Fetch and max unsigned */ + tcg_gen_atomic_fetch_umax_tl(dst, EA, src, ctx->mem_idx, memop); + break; case 5: /* Fetch and max signed */ + tcg_gen_atomic_fetch_smax_tl(dst, EA, src, ctx->mem_idx, memop); + break; case 6: /* Fetch and min unsigned */ + tcg_gen_atomic_fetch_umin_tl(dst, EA, src, ctx->mem_idx, memop); + break; case 7: /* Fetch and min signed */ + tcg_gen_atomic_fetch_smin_tl(dst, EA, src, ctx->mem_idx, memop); + break; + case 8: /* Swap */ + tcg_gen_atomic_xchg_tl(dst, EA, src, ctx->mem_idx, memop); + break; case 16: /* compare and swap not equal */ case 24: /* Fetch and increment bounded */ case 25: /* Fetch and increment equal */ @@ -3159,9 +3167,17 @@ static void gen_st_atomic(DisasContext *ctx, TCGMemO= p memop) tcg_gen_atomic_and_fetch_tl(discard, EA, src, ctx->mem_idx, memop); break; case 4: /* Store max unsigned */ + tcg_gen_atomic_umax_fetch_tl(discard, EA, src, ctx->mem_idx, memop= ); + break; case 5: /* Store max signed */ + tcg_gen_atomic_smax_fetch_tl(discard, EA, src, ctx->mem_idx, memop= ); + break; case 6: /* Store min unsigned */ + tcg_gen_atomic_umin_fetch_tl(discard, EA, src, ctx->mem_idx, memop= ); + break; case 7: /* Store min signed */ + tcg_gen_atomic_smin_fetch_tl(discard, EA, src, ctx->mem_idx, memop= ); + break; case 24: /* Store twin */ gen_invalid(ctx); break; --=20 2.17.1