From patchwork Wed Feb 20 07:52:22 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 221984 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 3D02C2C0084 for ; Wed, 20 Feb 2013 19:17:57 +1100 (EST) Received: from localhost ([::1]:60770 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U84sF-0001Nd-5w for incoming@patchwork.ozlabs.org; Wed, 20 Feb 2013 03:17:55 -0500 Received: from eggs.gnu.org ([208.118.235.92]:44060) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U84Ul-0001nM-II for qemu-devel@nongnu.org; Wed, 20 Feb 2013 02:53:42 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1U84Uh-0002Mr-Qf for qemu-devel@nongnu.org; Wed, 20 Feb 2013 02:53:39 -0500 Received: from mail-pb0-f53.google.com ([209.85.160.53]:45419) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U84Uh-0002Mh-KZ for qemu-devel@nongnu.org; Wed, 20 Feb 2013 02:53:35 -0500 Received: by mail-pb0-f53.google.com with SMTP id un1so2722840pbc.40 for ; Tue, 19 Feb 2013 23:53:34 -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=4CJ6l1+xCN42PkInhUWA44ie3tYx4W2VnOhPxLYKv74=; b=RCe6dT2KEUfAXS3SB+CVbh0MRUi8CMrmqCx7IOl2OxygW4g8GwwfZYkuANqzXNOze/ epA7LtAi2+Cr5DeIcCkwl/JtTSPE5cyOJSqTJ4TAZcwkO+leKNy+ODc2gg2bX10KLqVw Pp6pOGu9hMPLOeLNIoe5JKiGSneyeKrTqb0lsbwSlqlZ+E0QWAeM0X6k6DLvrXkvzgVi Irx5b3WFa514/F3SPamyToNaW5SswAYNQG4Si8rmw6V30fWqRkM0099wGJxo8fZrd3Fu xrI0XmGp+qZTdUJp2/dUgj5MJHml8/DyYQ1dIDh6JZ7R6/Iz2yLThpxizWoSjNsESA0f Fdmg== X-Received: by 10.68.216.226 with SMTP id ot2mr47083501pbc.99.1361346814779; Tue, 19 Feb 2013 23:53:34 -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.10.2013.02.19.23.53.33 (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Tue, 19 Feb 2013 23:53:33 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 19 Feb 2013 23:52:22 -0800 Message-Id: <1361346746-8511-35-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: 209.85.160.53 Cc: blauwirbel@gmail.com, aurelien@aurel32.net Subject: [Qemu-devel] [PATCH 34/38] target-sparc: Use mul*2 for multiply 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 Cc: Blue Swirl Signed-off-by: Richard Henderson --- target-sparc/translate.c | 45 ++++++++++++++++++--------------------------- 1 file changed, 18 insertions(+), 27 deletions(-) diff --git a/target-sparc/translate.c b/target-sparc/translate.c index d3e2acf..f99b82a 100644 --- a/target-sparc/translate.c +++ b/target-sparc/translate.c @@ -642,39 +642,30 @@ static inline void gen_op_mulscc(TCGv dst, TCGv src1, TCGv src2) static inline void gen_op_multiply(TCGv dst, TCGv src1, TCGv src2, int sign_ext) { - TCGv_i32 r_src1, r_src2; - TCGv_i64 r_temp, r_temp2; - - r_src1 = tcg_temp_new_i32(); - r_src2 = tcg_temp_new_i32(); - - tcg_gen_trunc_tl_i32(r_src1, src1); - tcg_gen_trunc_tl_i32(r_src2, src2); - - r_temp = tcg_temp_new_i64(); - r_temp2 = tcg_temp_new_i64(); - +#if TARGET_LONG_BITS == 32 if (sign_ext) { - tcg_gen_ext_i32_i64(r_temp, r_src2); - tcg_gen_ext_i32_i64(r_temp2, r_src1); + tcg_gen_muls2_tl(dst, cpu_y, src1, src2); } else { - tcg_gen_extu_i32_i64(r_temp, r_src2); - tcg_gen_extu_i32_i64(r_temp2, r_src1); + tcg_gen_mulu2_tl(dst, cpu_y, src1, src2); } +#else + TCGv t0 = tcg_temp_new_i64(); + TCGv t1 = tcg_temp_new_i64(); - tcg_gen_mul_i64(r_temp2, r_temp, r_temp2); - - tcg_gen_shri_i64(r_temp, r_temp2, 32); - tcg_gen_trunc_i64_tl(cpu_y, r_temp); - tcg_temp_free_i64(r_temp); - tcg_gen_andi_tl(cpu_y, cpu_y, 0xffffffff); - - tcg_gen_trunc_i64_tl(dst, r_temp2); + if (sign_ext) { + tcg_gen_ext32s_i64(t0, src1); + tcg_gen_ext32s_i64(t1, src2); + } else { + tcg_gen_ext32u_i64(t0, src1); + tcg_gen_ext32u_i64(t1, src2); + } - tcg_temp_free_i64(r_temp2); + tcg_gen_mul_i64(dst, t0, t1); + tcg_temp_free(t0); + tcg_temp_free(t1); - tcg_temp_free_i32(r_src1); - tcg_temp_free_i32(r_src2); + tcg_gen_shri_i64(cpu_y, dst, 32); +#endif } static inline void gen_op_umul(TCGv dst, TCGv src1, TCGv src2)