From nobody Mon Feb 9 23:39:06 2026 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 15004089137851022.103232500698; Tue, 18 Jul 2017 13:15:13 -0700 (PDT) Received: from localhost ([::1]:58395 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dXYtk-0000ox-Fl for importer@patchew.org; Tue, 18 Jul 2017 16:15:12 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49837) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dXYj9-0006Ve-MD for qemu-devel@nongnu.org; Tue, 18 Jul 2017 16:04:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dXYj8-0004lx-Tc for qemu-devel@nongnu.org; Tue, 18 Jul 2017 16:04:15 -0400 Received: from mail-qk0-x241.google.com ([2607:f8b0:400d:c09::241]:32981) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dXYj8-0004lt-PD for qemu-devel@nongnu.org; Tue, 18 Jul 2017 16:04:14 -0400 Received: by mail-qk0-x241.google.com with SMTP id u126so2856422qka.0 for ; Tue, 18 Jul 2017 13:04:14 -0700 (PDT) Received: from bigtime.com ([101.165.234.197]) by smtp.gmail.com with ESMTPSA id b201sm2339817qkg.5.2017.07.18.13.04.12 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 18 Jul 2017 13:04:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=+PEGF3unxZ5+enJjzav2Y0eYauimc6mEih+zgd2Wv7E=; b=EHPHq3RcRNJMI7lPlQq/+mor0/K+2MVGAauKWXaNJDVnQq0HgoT5VS52VcnEpK2gnI uBTYi9xpvPSgrChCjwCZ6PhgxDU8RKeKz4gKVMEk2/QC/JRb4tg8EANo8zi8Sd15zBAS GEYbvJYWfEcjAuzorCoLvu6/GHwH39lEiFL0S0m9frIGlCbsgOegWGjtcxzOHghRQnyT 7ZFhyrdnc/voC4GCTe9XpFXcmW1dIDrLQRsqW6HAmyBuOr5ZbacfK6mpV7yC5eLLD90X Hriid7oq1aB5HeLGGRSsWdthD6WADOJwGYMmwd7PqdF91s/XoFch9qZIyEoOjA/Hwbid m+gw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=+PEGF3unxZ5+enJjzav2Y0eYauimc6mEih+zgd2Wv7E=; b=EkULtx2y2jrjVDIDJ9+ZcDXRx99JlxBW+bOgjuTwuTuQoKBhTdNeDdp0Yze6V1OTRa Km8lVIoY0hVee61wplohSs9uT50I6Z81l+xUIWqEX4f+oyrq++JgqXYwQzsAHBCkUfph pWh+j7HdFFwxeldfM3rz87A7i5HyEjy4G027sVsI0ZOy53c356SlBakLiny7tDvV1Bnm 1SsEwHpNV6RTaBDWxw29YOrnBa7MhWbK+Idth+vOpBitVSZNGfS9ctlWzV243LoK2coy 20y1QlP+yfl+L9aSdISMoFlaJJfiWoOAfRiIJnWSC80SEUcojc+AHsqdmWqOlJEslQJD a4GA== X-Gm-Message-State: AIVw110JV+kd9qVCvBBbUG0Xb+QjzGwsmPXDH1110M1Sm6TNJEKuxgrO jAtGVTOk5GmmcBoOATA= X-Received: by 10.55.185.6 with SMTP id j6mr4107389qkf.14.1500408253949; Tue, 18 Jul 2017 13:04:13 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 18 Jul 2017 10:02:42 -1000 Message-Id: <20170718200255.31647-18-rth@twiddle.net> X-Mailer: git-send-email 2.9.4 In-Reply-To: <20170718200255.31647-1-rth@twiddle.net> References: <20170718200255.31647-1-rth@twiddle.net> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400d:c09::241 Subject: [Qemu-devel] [PATCH v3 17/30] target/sh4: Simplify 64-bit fp reg-reg move 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: aurelien@aurel32.net 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" We do not need to form full 64-bit quantities in order to perform the move. This reduces code expansion on 64-bit hosts. Reviewed-by: Aurelien Jarno Signed-off-by: Richard Henderson --- target/sh4/translate.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/target/sh4/translate.c b/target/sh4/translate.c index bda6fa7..1164f73 100644 --- a/target/sh4/translate.c +++ b/target/sh4/translate.c @@ -987,10 +987,10 @@ static void _decode_opc(DisasContext * ctx) case 0xf00c: /* fmov {F,D,X}Rm,{F,D,X}Rn - FPSCR: Nothing */ CHECK_FPU_ENABLED if (ctx->tbflags & FPSCR_SZ) { - TCGv_i64 fp =3D tcg_temp_new_i64(); - gen_load_fpr64(ctx, fp, XHACK(B7_4)); - gen_store_fpr64(ctx, fp, XHACK(B11_8)); - tcg_temp_free_i64(fp); + int xsrc =3D XHACK(B7_4); + int xdst =3D XHACK(B11_8); + tcg_gen_mov_i32(FREG(xdst), FREG(xsrc)); + tcg_gen_mov_i32(FREG(xdst + 1), FREG(xsrc + 1)); } else { tcg_gen_mov_i32(FREG(B11_8), FREG(B7_4)); } --=20 2.9.4