From patchwork Tue Feb 16 22:02:04 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 45823 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id C35B3B7D15 for ; Fri, 19 Feb 2010 10:02:19 +1100 (EST) Received: from localhost ([127.0.0.1]:33221 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NiFAV-0004RY-Gh for incoming@patchwork.ozlabs.org; Thu, 18 Feb 2010 17:48:23 -0500 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NiF9H-0004Pb-50 for qemu-devel@nongnu.org; Thu, 18 Feb 2010 17:47:07 -0500 Received: from [199.232.76.173] (port=59355 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NiF9G-0004PB-Ot for qemu-devel@nongnu.org; Thu, 18 Feb 2010 17:47:06 -0500 Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) (envelope-from ) id 1NiF9F-00012y-Io for qemu-devel@nongnu.org; Thu, 18 Feb 2010 17:47:05 -0500 Received: from are.twiddle.net ([75.149.56.221]:41196) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NiF9E-00012U-BQ for qemu-devel@nongnu.org; Thu, 18 Feb 2010 17:47:04 -0500 Received: by are.twiddle.net (Postfix, from userid 5000) id 474F3E85; Thu, 18 Feb 2010 14:47:01 -0800 (PST) Message-Id: In-Reply-To: References: From: Richard Henderson Date: Tue, 16 Feb 2010 14:02:04 -0800 To: qemu-devel@nongnu.org X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 2) Cc: blauwirbel@gmail.com Subject: [Qemu-devel] [PATCH 2/7] tcg-sparc: Implement not. X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org The fallback implementation of "ret = arg1 ^ -1" isn't ideal because of the extra tcg op to load the minus one. Signed-off-by: Richard Henderson --- tcg/sparc/tcg-target.c | 6 ++++++ tcg/sparc/tcg-target.h | 2 ++ 2 files changed, 8 insertions(+), 0 deletions(-) diff --git a/tcg/sparc/tcg-target.c b/tcg/sparc/tcg-target.c index f5cf95d..55c74af 100644 --- a/tcg/sparc/tcg-target.c +++ b/tcg/sparc/tcg-target.c @@ -226,6 +226,7 @@ static inline int tcg_target_const_match(tcg_target_long val, #define ARITH_AND (INSN_OP(2) | INSN_OP3(0x01)) #define ARITH_OR (INSN_OP(2) | INSN_OP3(0x02)) #define ARITH_ORCC (INSN_OP(2) | INSN_OP3(0x12)) +#define ARITH_ORN (INSN_OP(2) | INSN_OP3(0x06)) #define ARITH_XOR (INSN_OP(2) | INSN_OP3(0x03)) #define ARITH_SUB (INSN_OP(2) | INSN_OP3(0x04)) #define ARITH_SUBCC (INSN_OP(2) | INSN_OP3(0x14)) @@ -1237,6 +1238,9 @@ static inline void tcg_out_op(TCGContext *s, int opc, const TCGArg *args, OP_32_64(neg): c = ARITH_SUB; goto gen_arith1; + OP_32_64(not): + c = ARITH_ORN; + goto gen_arith1; case INDEX_op_div_i32: tcg_out_div32(s, args[0], args[1], args[2], const_args[2], 0); @@ -1440,6 +1444,7 @@ static const TCGTargetOpDef sparc_op_defs[] = { { INDEX_op_sar_i32, { "r", "r", "rJ" } }, { INDEX_op_neg_i32, { "r", "rJ" } }, + { INDEX_op_not_i32, { "r", "rJ" } }, { INDEX_op_brcond_i32, { "r", "rJ" } }, { INDEX_op_setcond_i32, { "r", "r", "rJ" } }, @@ -1496,6 +1501,7 @@ static const TCGTargetOpDef sparc_op_defs[] = { { INDEX_op_sar_i64, { "r", "r", "rJ" } }, { INDEX_op_neg_i64, { "r", "rJ" } }, + { INDEX_op_not_i64, { "r", "rJ" } }, { INDEX_op_ext32s_i64, { "r", "ri" } }, { INDEX_op_ext32u_i64, { "r", "ri" } }, diff --git a/tcg/sparc/tcg-target.h b/tcg/sparc/tcg-target.h index 66031ba..f5ee205 100644 --- a/tcg/sparc/tcg-target.h +++ b/tcg/sparc/tcg-target.h @@ -92,11 +92,13 @@ enum { #define TCG_TARGET_HAS_div_i64 #define TCG_TARGET_HAS_neg_i32 +#define TCG_TARGET_HAS_not_i32 #if TCG_TARGET_REG_BITS == 64 #define TCG_TARGET_HAS_ext32s_i64 #define TCG_TARGET_HAS_ext32u_i64 #define TCG_TARGET_HAS_neg_i64 +#define TCG_TARGET_HAS_not_i64 #endif //#define TCG_TARGET_HAS_bswap32_i32