From nobody Tue Sep 30 03:12:47 2025 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1639574801013285.70877825355467; Wed, 15 Dec 2021 05:26:41 -0800 (PST) Received: from localhost ([::1]:55612 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mxUIp-0001d9-TY for importer@patchew.org; Wed, 15 Dec 2021 08:26:39 -0500 Received: from eggs.gnu.org ([209.51.188.92]:51958) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mxTmH-000529-Ji for qemu-devel@nongnu.org; Wed, 15 Dec 2021 07:53:05 -0500 Received: from mail.xen0n.name ([115.28.160.31]:36838 helo=mailbox.box.xen0n.name) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mxTm4-00046J-6D for qemu-devel@nongnu.org; Wed, 15 Dec 2021 07:52:57 -0500 Received: from ld50.lan (unknown [101.88.31.179]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by mailbox.box.xen0n.name (Postfix) with ESMTPSA id AA2CC607BC; Wed, 15 Dec 2021 20:52:11 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1639572731; bh=97uOqKKELUILAomJEpjLtqSNWqcjW8UL4RLsEpkUDzs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Zush4LVJ9BInl2IdS6WQ0aMqXH22LsTxn4swSQz+iyyZSewUAUsRniCYAYLdGaeoq ULW101FZMSOEbmjMdBlgQueTVIcKsRQp2He8uGoRezo1h7rUSb+R1DJvEEjCH6Wnff b/9dguCAwz1imbduA3+2Kbv7eKq4bSJ8vt8o4EbM= From: WANG Xuerui To: qemu-devel@nongnu.org Subject: [PATCH v10 21/31] tcg/loongarch64: Implement tcg_out_call Date: Wed, 15 Dec 2021 20:51:26 +0800 Message-Id: <20211215125136.3449717-22-git@xen0n.name> X-Mailer: git-send-email 2.34.0 In-Reply-To: <20211215125136.3449717-1-git@xen0n.name> References: <20211215125136.3449717-1-git@xen0n.name> 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=115.28.160.31; envelope-from=git@xen0n.name; helo=mailbox.box.xen0n.name 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_NONE=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: , Cc: Peter Maydell , XiaoJuan Yang , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Laurent Vivier , WANG Xuerui , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Song Gao Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1639574802135100001 Content-Type: text/plain; charset="utf-8" Signed-off-by: WANG Xuerui Reviewed-by: Richard Henderson --- tcg/loongarch64/tcg-target.c.inc | 34 ++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.= c.inc index 23c151f473..151d3308ea 100644 --- a/tcg/loongarch64/tcg-target.c.inc +++ b/tcg/loongarch64/tcg-target.c.inc @@ -532,6 +532,39 @@ static void tcg_out_brcond(TCGContext *s, TCGCond cond= , TCGReg arg1, tcg_out32(s, encode_djsk16_insn(op, arg1, arg2, 0)); } =20 +static void tcg_out_call_int(TCGContext *s, const tcg_insn_unit *arg, bool= tail) +{ + TCGReg link =3D tail ? TCG_REG_ZERO : TCG_REG_RA; + ptrdiff_t offset =3D tcg_pcrel_diff(s, arg); + + tcg_debug_assert((offset & 3) =3D=3D 0); + if (offset =3D=3D sextreg(offset, 0, 28)) { + /* short jump: +/- 256MiB */ + if (tail) { + tcg_out_opc_b(s, offset >> 2); + } else { + tcg_out_opc_bl(s, offset >> 2); + } + } else if (offset =3D=3D sextreg(offset, 0, 38)) { + /* long jump: +/- 256GiB */ + tcg_target_long lo =3D sextreg(offset, 0, 18); + tcg_target_long hi =3D offset - lo; + tcg_out_opc_pcaddu18i(s, TCG_REG_TMP0, hi >> 18); + tcg_out_opc_jirl(s, link, TCG_REG_TMP0, lo >> 2); + } else { + /* far jump: 64-bit */ + tcg_target_long lo =3D sextreg((tcg_target_long)arg, 0, 18); + tcg_target_long hi =3D (tcg_target_long)arg - lo; + tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_TMP0, hi); + tcg_out_opc_jirl(s, link, TCG_REG_TMP0, lo >> 2); + } +} + +static void tcg_out_call(TCGContext *s, const tcg_insn_unit *arg) +{ + tcg_out_call_int(s, arg, false); +} + /* * Entry-points */ @@ -882,6 +915,7 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, =20 case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */ case INDEX_op_mov_i64: + case INDEX_op_call: /* Always emitted via tcg_out_call. */ default: g_assert_not_reached(); } --=20 2.34.0