From nobody Thu Nov 7 13:42:34 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1632591720226801.0660346766115; Sat, 25 Sep 2021 10:42:00 -0700 (PDT) Received: from localhost ([::1]:60660 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mUBgV-0001HX-60 for importer@patchew.org; Sat, 25 Sep 2021 13:41:59 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36700) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mUBWK-0002W5-T2 for qemu-devel@nongnu.org; Sat, 25 Sep 2021 13:31:29 -0400 Received: from [115.28.160.31] (port=57208 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 1mUBWH-0005UA-GH for qemu-devel@nongnu.org; Sat, 25 Sep 2021 13:31:28 -0400 Received: from ld50.lan (unknown [101.88.29.172]) (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 46DE960B43; Sun, 26 Sep 2021 01:30:56 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1632591056; bh=r6yJg/v4P6pS58lG77gvv9a5GM8OA2vCH25lda5bkKQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Vn+IbIDmy02N4AXFQkPXOLitsM19TKpV5OmdET8AcsMhlGByl0nxF+Xqirwm9sa0d kXQUBLKBE0OUt+WDhyGOEkVAVmiiYxznqJ92M0gavwwGz6fxI7Yrr54LZXsMRv1rIc mKHbzvu0mhqJluRk6DZy9FRdIutY1uh3H4KmKfXg= From: WANG Xuerui To: qemu-devel@nongnu.org Subject: [PATCH v6 19/30] tcg/loongarch64: Implement br/brcond ops Date: Sun, 26 Sep 2021 01:30:21 +0800 Message-Id: <20210925173032.2434906-20-git@xen0n.name> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210925173032.2434906-1-git@xen0n.name> References: <20210925173032.2434906-1-git@xen0n.name> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 115.28.160.31 (failed) 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: 6 X-Spam_score: 0.6 X-Spam_bar: / X-Spam_report: (0.6 / 5.0 requ) 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-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: Peter Maydell , XiaoJuan Yang , Richard Henderson , Song Gao , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , WANG Xuerui , Laurent Vivier 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: 1632591721466100001 Signed-off-by: WANG Xuerui Reviewed-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- tcg/loongarch64/tcg-target-con-set.h | 1 + tcg/loongarch64/tcg-target.c.inc | 53 ++++++++++++++++++++++++++++ 2 files changed, 54 insertions(+) diff --git a/tcg/loongarch64/tcg-target-con-set.h b/tcg/loongarch64/tcg-tar= get-con-set.h index fb56f3a295..367689c2e2 100644 --- a/tcg/loongarch64/tcg-target-con-set.h +++ b/tcg/loongarch64/tcg-target-con-set.h @@ -15,6 +15,7 @@ * tcg-target-con-str.h; the constraint combination is inclusive or. */ C_O0_I1(r) +C_O0_I2(rZ, rZ) C_O1_I1(r, r) C_O1_I2(r, r, rC) C_O1_I2(r, r, ri) diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.= c.inc index 67f07a3853..816b16f10f 100644 --- a/tcg/loongarch64/tcg-target.c.inc +++ b/tcg/loongarch64/tcg-target.c.inc @@ -434,6 +434,44 @@ static void tcg_out_clzctz(TCGContext *s, LoongArchIns= n opc, tcg_out_opc_or(s, a0, TCG_REG_TMP0, a0); } =20 +/* + * Branch helpers + */ + +static const struct { + LoongArchInsn op; + bool swap; +} tcg_brcond_to_loongarch[] =3D { + [TCG_COND_EQ] =3D { OPC_BEQ, false }, + [TCG_COND_NE] =3D { OPC_BNE, false }, + [TCG_COND_LT] =3D { OPC_BGT, true }, + [TCG_COND_GE] =3D { OPC_BLE, true }, + [TCG_COND_LE] =3D { OPC_BLE, false }, + [TCG_COND_GT] =3D { OPC_BGT, false }, + [TCG_COND_LTU] =3D { OPC_BGTU, true }, + [TCG_COND_GEU] =3D { OPC_BLEU, true }, + [TCG_COND_LEU] =3D { OPC_BLEU, false }, + [TCG_COND_GTU] =3D { OPC_BGTU, false } +}; + +static void tcg_out_brcond(TCGContext *s, TCGCond cond, TCGReg arg1, + TCGReg arg2, TCGLabel *l) +{ + LoongArchInsn op =3D tcg_brcond_to_loongarch[cond].op; + + tcg_debug_assert(op !=3D 0); + + if (tcg_brcond_to_loongarch[cond].swap) { + TCGReg t =3D arg1; + arg1 =3D arg2; + arg2 =3D t; + } + + /* all conditional branch insns belong to DJSk16-format */ + tcg_out_reloc(s, s->code_ptr, R_LOONGARCH_BR_SK16, l, 0); + tcg_out32(s, encode_djsk16_insn(op, arg1, arg2, 0)); +} + /* * Entry-points */ @@ -456,6 +494,17 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, tcg_out_opc_jirl(s, TCG_REG_ZERO, a0, 0); break; =20 + case INDEX_op_br: + tcg_out_reloc(s, s->code_ptr, R_LOONGARCH_BR_SD10K16, arg_label(a0= ), + 0); + tcg_out_opc_b(s, 0); + break; + + case INDEX_op_brcond_i32: + case INDEX_op_brcond_i64: + tcg_out_brcond(s, a2, a0, a1, arg_label(args[3])); + break; + case INDEX_op_ext8s_i32: case INDEX_op_ext8s_i64: tcg_out_ext8s(s, a0, a1); @@ -779,6 +828,10 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpco= de op) case INDEX_op_goto_ptr: return C_O0_I1(r); =20 + case INDEX_op_brcond_i32: + case INDEX_op_brcond_i64: + return C_O0_I2(rZ, rZ); + case INDEX_op_ext8s_i32: case INDEX_op_ext8s_i64: case INDEX_op_ext8u_i32: --=20 2.33.0