From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35606) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d9Kvx-0008Pa-Lq for qemu-devel@nongnu.org; Fri, 12 May 2017 20:29:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d9Kvt-000803-Ox for qemu-devel@nongnu.org; Fri, 12 May 2017 20:29:21 -0400 Received: from mail-qt0-x244.google.com ([2607:f8b0:400d:c0d::244]:32771) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1d9Kvt-0007yp-Lm for qemu-devel@nongnu.org; Fri, 12 May 2017 20:29:17 -0400 Received: by mail-qt0-x244.google.com with SMTP id a46so8795209qte.0 for ; Fri, 12 May 2017 17:29:17 -0700 (PDT) Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Date: Fri, 12 May 2017 21:29:06 -0300 Message-Id: <20170513002906.31201-1-f4bug@amsat.org> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH] tcg: optimize gen_extr_i64_i32() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, Richard Henderson , Aurelien Jarno , Eric Blake , Markus Armbruster Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Inspired by Richard Henderson comment: http://lists.nongnu.org/archive/html/qemu-devel/2017-05/msg02277.html Patch applied mechanically with this coccinelle semantic patch: @@ expression lo, hi,arg; @@ -tcg_gen_extrl_i64_i32(lo, arg); -tcg_gen_extrh_i64_i32(hi, arg); +tcg_gen_extr_i64_i32(lo, hi, arg); Signed-off-by: Philippe Mathieu-Daudé --- tcg/tcg-op.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/tcg/tcg-op.c b/tcg/tcg-op.c index 6b1f41500c..f3d556c21a 100644 --- a/tcg/tcg-op.c +++ b/tcg/tcg-op.c @@ -2562,8 +2562,7 @@ void tcg_gen_extr_i64_i32(TCGv_i32 lo, TCGv_i32 hi, TCGv_i64 arg) tcg_gen_mov_i32(lo, TCGV_LOW(arg)); tcg_gen_mov_i32(hi, TCGV_HIGH(arg)); } else { - tcg_gen_extrl_i64_i32(lo, arg); - tcg_gen_extrh_i64_i32(hi, arg); + tcg_gen_extr_i64_i32(lo, hi, arg); } } -- 2.11.0