From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 85927C433F5 for ; Mon, 20 Sep 2021 14:29:18 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 28E00610A0 for ; Mon, 20 Sep 2021 14:29:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 28E00610A0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xen0n.name Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:34040 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mSKIH-0005r2-B4 for qemu-devel@archiver.kernel.org; Mon, 20 Sep 2021 10:29:17 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50298) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mSETb-0008Sc-87 for qemu-devel@nongnu.org; Mon, 20 Sep 2021 04:16:36 -0400 Received: from [115.28.160.31] (port=35658 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 1mSETZ-0000yj-LJ for qemu-devel@nongnu.org; Mon, 20 Sep 2021 04:16:35 -0400 Received: from ld50.lan (unknown [101.88.25.142]) (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 E3F156340A; Mon, 20 Sep 2021 16:06:12 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1632125172; bh=VtbntofemEsOm7UqG3/evjLaoLVj9ThUM57Q0GFNT18=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jcZMzhPWnbE+Y6PrSMHZi8xqeGHr6xcSQGg6hs02VBJYSpPpRfVKAC6R0v/+Kt7dJ 3Yg8F/lt8AhlFaXGV6jAxdX9IGmaLqctRJKC6JYNRmfbpdoPBym2N9gxBvU8byMvuT MNL969h/gSPyGsAu//TvblCzSSqWM8ut3pZfn8tQ= From: WANG Xuerui To: qemu-devel@nongnu.org Subject: [PATCH 25/30] tcg/loongarch: Implement exit_tb/goto_tb Date: Mon, 20 Sep 2021 16:04:46 +0800 Message-Id: <20210920080451.408655-26-git@xen0n.name> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210920080451.408655-1-git@xen0n.name> References: <20210920080451.408655-1-git@xen0n.name> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 115.28.160.31 (failed) Received-SPF: pass client-ip=115.28.160.31; envelope-from=git@xen0n.name; helo=mailbox.box.xen0n.name X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 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, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Mon, 20 Sep 2021 09:57:24 -0400 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: WANG Xuerui Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: WANG Xuerui --- tcg/loongarch/tcg-target.c.inc | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/tcg/loongarch/tcg-target.c.inc b/tcg/loongarch/tcg-target.c.inc index 10df007087..585bf8dba0 100644 --- a/tcg/loongarch/tcg-target.c.inc +++ b/tcg/loongarch/tcg-target.c.inc @@ -899,6 +899,25 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, int c2 = const_args[2]; switch (opc) { + case INDEX_op_exit_tb: + /* Reuse the zeroing that exists for goto_ptr. */ + if (a0 == 0) { + tcg_out_call_int(s, tcg_code_gen_epilogue, true); + } else { + tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_A0, a0); + tcg_out_call_int(s, tb_ret_addr, true); + } + break; + + case INDEX_op_goto_tb: + assert(s->tb_jmp_insn_offset == 0); + /* indirect jump method */ + tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_TMP0, TCG_REG_ZERO, + (uintptr_t)(s->tb_jmp_target_addr + a0)); + tcg_out_opc_jirl(s, TCG_REG_ZERO, TCG_REG_TMP0, 0); + set_jmp_reset_offset(s, a0); + break; + case INDEX_op_mb: tcg_out_mb(s, a0); break; -- 2.33.0