From nobody Mon Nov 25 10:44:25 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1716322633; cv=none; d=zohomail.com; s=zohoarc; b=IkPUCAsb7QoLAdHcao4LwpJu8DISyA9lEdWObj3jUqoPvS1a4MQN93f4A2G0G2Oajc2KrxHKZY8GUse8m+s4+OYhXpQJx4eqj4nz0MkItCoXVDFVC+6WEvMId/xU+pmJbuEY0eDlLGq9Xom6Eu0DyJjqlpxOOmlo34yY3bBzZdM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1716322633; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:Reply-To:References:Sender:Subject:Subject:To:To:Message-Id; bh=rtNFdpJhNV8vl9H8X+58sqRVVdyQGF0AcgLnuM7WTNA=; b=ajyVyl2Nn/43JGquyo3Ye5pXib2POh3LJhnuoGi/pV5Tc/jLItl4wvrqL/qTZCWEd+lZ28kbxyD3u7cHdNBTMgfSfvs4sisLsNqnGECMTfvDabm4TEnfo5GObf8wQl8smC9yuM5MMS3pSRi/Jq3Gglz0++4wNiDVq95xklgMw2Q= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1716322633789961.3699537326568; Tue, 21 May 2024 13:17:13 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s9Vtn-0000xN-J7; Tue, 21 May 2024 16:15:51 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s9Vtl-0000wG-Rn for qemu-devel@nongnu.org; Tue, 21 May 2024 16:15:49 -0400 Received: from rev.ng ([5.9.113.41]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s9Vtc-0007GO-1S for qemu-devel@nongnu.org; Tue, 21 May 2024 16:15:49 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=rev.ng; s=dkim; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive:List-Unsubscribe:List-Unsubscribe-Post: List-Help; bh=rtNFdpJhNV8vl9H8X+58sqRVVdyQGF0AcgLnuM7WTNA=; b=KjQ0Y74nCzTS+g0 zjqdhgvYp0hpY6iUKeqzx1OcloFQljNs9RTwDJ9Ur9ycGq1YOfDORKNmiZ0Hnkqy3zpAkerOOV/pw ow62J/5XglA/rFQkTuLluMXq8dj19WkJO8D5Ohq2aNSX4aH41XUduxyIu9nsqZ9ZEemlPTeL8/sdL RY=; To: qemu-devel@nongnu.org Cc: ale@rev.ng, ltaylorsimpson@gmail.com, bcain@quicinc.com Subject: [PATCH v3 4/4] target/hexagon: idef-parser simplify predicate init Date: Tue, 21 May 2024 22:16:54 +0200 Message-ID: <20240521201654.25851-5-anjo@rev.ng> In-Reply-To: <20240521201654.25851-1-anjo@rev.ng> References: <20240521201654.25851-1-anjo@rev.ng> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=5.9.113.41; envelope-from=anjo@rev.ng; helo=rev.ng X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Anton Johansson From: Anton Johansson via Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1716322635753100003 Content-Type: text/plain; charset="utf-8" Only predicate instruction arguments need to be initialized by idef-parser. This commit removes registers from the init_list and simplifies gen_inst_init_args() slightly. Signed-off-by: Anton Johansson Reviewed-by: Taylor Simpson Reviewed-by: Brian Cain --- target/hexagon/idef-parser/idef-parser.y | 2 -- target/hexagon/idef-parser/parser-helpers.c | 26 +++++++++++---------- 2 files changed, 14 insertions(+), 14 deletions(-) diff --git a/target/hexagon/idef-parser/idef-parser.y b/target/hexagon/idef= -parser/idef-parser.y index cd2612eb8c..9ffb9f9699 100644 --- a/target/hexagon/idef-parser/idef-parser.y +++ b/target/hexagon/idef-parser/idef-parser.y @@ -233,8 +233,6 @@ code : '{' statements '}' argument_decl : REG { emit_arg(c, &@1, &$1); - /* Enqueue register into initialization list */ - g_array_append_val(c->inst.init_list, $1); } | PRED { diff --git a/target/hexagon/idef-parser/parser-helpers.c b/target/hexagon/i= def-parser/parser-helpers.c index c150c308be..a7dcd85fe4 100644 --- a/target/hexagon/idef-parser/parser-helpers.c +++ b/target/hexagon/idef-parser/parser-helpers.c @@ -1652,26 +1652,28 @@ void gen_inst(Context *c, GString *iname) =20 =20 /* - * Initialize declared but uninitialized registers, but only for - * non-conditional instructions + * Initialize declared but uninitialized instruction arguments. Only neede= d for + * predicate arguments, initialization of registers is handled by the Hexa= gon + * frontend. */ void gen_inst_init_args(Context *c, YYLTYPE *locp) { + HexValue *val =3D NULL; + char suffix; + + /* If init_list is NULL arguments have already been initialized */ if (!c->inst.init_list) { return; } =20 for (unsigned i =3D 0; i < c->inst.init_list->len; i++) { - HexValue *val =3D &g_array_index(c->inst.init_list, HexValue, i); - if (val->type =3D=3D REGISTER_ARG) { - /* Nothing to do here */ - } else if (val->type =3D=3D PREDICATE) { - char suffix =3D val->is_dotnew ? 'N' : 'V'; - EMIT_HEAD(c, "tcg_gen_movi_i%u(P%c%c, 0);\n", val->bit_width, - val->pred.id, suffix); - } else { - yyassert(c, locp, false, "Invalid arg type!"); - } + val =3D &g_array_index(c->inst.init_list, HexValue, i); + suffix =3D val->is_dotnew ? 'N' : 'V'; + yyassert(c, locp, val->type =3D=3D PREDICATE, + "Only predicates need to be initialized!"); + yyassert(c, locp, val->bit_width =3D=3D 32, + "Predicates should always be 32 bits"); + EMIT_HEAD(c, "tcg_gen_movi_i32(P%c%c, 0);\n", val->pred.id, suffix= ); } =20 /* Free argument init list once we have initialized everything */ --=20 2.45.0