From patchwork Wed Feb 20 07:52:04 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 222081 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id D72C62C007B for ; Thu, 21 Feb 2013 00:22:09 +1100 (EST) Received: from localhost ([::1]:48272 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U84Un-0001nJ-At for incoming@patchwork.ozlabs.org; Wed, 20 Feb 2013 02:53:41 -0500 Received: from eggs.gnu.org ([208.118.235.92]:43791) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U84UE-0001BF-I7 for qemu-devel@nongnu.org; Wed, 20 Feb 2013 02:53:09 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1U84UB-0002E7-O7 for qemu-devel@nongnu.org; Wed, 20 Feb 2013 02:53:06 -0500 Received: from mail-da0-f44.google.com ([209.85.210.44]:55946) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U84UB-0002Dv-GM for qemu-devel@nongnu.org; Wed, 20 Feb 2013 02:53:03 -0500 Received: by mail-da0-f44.google.com with SMTP id z20so3450355dae.17 for ; Tue, 19 Feb 2013 23:53:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:sender:from:to:cc:subject:date:message-id:x-mailer :in-reply-to:references; bh=gREKFyuUwhFoMiIa9qzNauQ5uY/so8sKLxS+mk1OcoE=; b=mbLSepoyVfK+zc0pSHNJtCib8twsA/txAvO+aUdqmc4r3t+/T5M6QomfZZQczKPeMt WwH/f6D4Z7bz/w38yZ51XQxj2b3B8WTBlAIdKZRkTMgzFdd8KEdBfD/OhcR+JDHcNorA ReWQwL45sxVNkGzLsr6z9INPmp0GtUhQuVlpTK1XajZRmD+HGcI5o6A923V8MPhr7eEy 3lQN/elRgVN+MwSTV3D9FXLqD59zLqbuWQvC+ftpl1zkMr+u4kxre7l/r7xd6PNfRdYZ H3nLzVz6dHSVHathX2HkK2yMJQ50cSePpeWtSHTGEmtyBe/HW6+NRsaJmKdemXfvRc9N 2lFg== X-Received: by 10.68.220.133 with SMTP id pw5mr20400883pbc.126.1361346782331; Tue, 19 Feb 2013 23:53:02 -0800 (PST) Received: from anchor.twiddle.net (50-194-63-110-static.hfc.comcastbusiness.net. [50.194.63.110]) by mx.google.com with ESMTPS id c8sm20826347pbq.10.2013.02.19.23.53.00 (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Tue, 19 Feb 2013 23:53:01 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 19 Feb 2013 23:52:04 -0800 Message-Id: <1361346746-8511-17-git-send-email-rth@twiddle.net> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1361346746-8511-1-git-send-email-rth@twiddle.net> References: <1361346746-8511-1-git-send-email-rth@twiddle.net> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 209.85.210.44 Cc: blauwirbel@gmail.com, aurelien@aurel32.net Subject: [Qemu-devel] [PATCH 16/38] target-s390x: Use mulu2 for mlgr insn X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Richard Henderson --- target-s390x/helper.h | 1 - target-s390x/int_helper.c | 8 -------- target-s390x/translate.c | 3 +-- 3 files changed, 1 insertion(+), 11 deletions(-) diff --git a/target-s390x/helper.h b/target-s390x/helper.h index dd90d93..0d80aa0 100644 --- a/target-s390x/helper.h +++ b/target-s390x/helper.h @@ -8,7 +8,6 @@ DEF_HELPER_FLAGS_4(mvc, TCG_CALL_NO_WG, void, env, i32, i64, i64) DEF_HELPER_FLAGS_4(clc, TCG_CALL_NO_WG, i32, env, i32, i64, i64) DEF_HELPER_3(mvcl, i32, env, i32, i32) DEF_HELPER_FLAGS_4(clm, TCG_CALL_NO_WG, i32, env, i32, i32, i64) -DEF_HELPER_FLAGS_3(mul128, TCG_CALL_NO_RWG, i64, env, i64, i64) DEF_HELPER_FLAGS_3(divs32, TCG_CALL_NO_WG, s64, env, s64, s64) DEF_HELPER_FLAGS_3(divu32, TCG_CALL_NO_WG, i64, env, i64, i64) DEF_HELPER_FLAGS_3(divs64, TCG_CALL_NO_WG, s64, env, s64, s64) diff --git a/target-s390x/int_helper.c b/target-s390x/int_helper.c index 6858301..af16b21 100644 --- a/target-s390x/int_helper.c +++ b/target-s390x/int_helper.c @@ -29,14 +29,6 @@ #define HELPER_LOG(x...) #endif -/* 64/64 -> 128 unsigned multiplication */ -uint64_t HELPER(mul128)(CPUS390XState *env, uint64_t v1, uint64_t v2) -{ - uint64_t reth; - mulu64(&env->retxl, &reth, v1, v2); - return reth; -} - /* 64/32 -> 32 signed division */ int64_t HELPER(divs32)(CPUS390XState *env, int64_t a, int64_t b64) { diff --git a/target-s390x/translate.c b/target-s390x/translate.c index a57296c..bdf69a3 100644 --- a/target-s390x/translate.c +++ b/target-s390x/translate.c @@ -2566,8 +2566,7 @@ static ExitStatus op_mul(DisasContext *s, DisasOps *o) static ExitStatus op_mul128(DisasContext *s, DisasOps *o) { - gen_helper_mul128(o->out, cpu_env, o->in1, o->in2); - return_low128(o->out2); + tcg_gen_mulu2_i64(o->out2, o->out, o->in1, o->in2); return NO_EXIT; }