From nobody Wed Nov 5 18:08:47 2025 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.zoho.com; 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 1496607826795985.5661169745754; Sun, 4 Jun 2017 13:23:46 -0700 (PDT) Received: from localhost ([::1]:58491 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dHc3s-0005go-Kl for importer@patchew.org; Sun, 04 Jun 2017 16:23:44 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52649) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dHc0x-00033Y-To for qemu-devel@nongnu.org; Sun, 04 Jun 2017 16:20:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dHc0w-0004QP-Td for qemu-devel@nongnu.org; Sun, 04 Jun 2017 16:20:43 -0400 Received: from hall.aurel32.net ([2001:bc8:30d7:100::1]:42628) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dHc0w-0004N5-OC for qemu-devel@nongnu.org; Sun, 04 Jun 2017 16:20:42 -0400 Received: from [2001:bc8:30d7:120:9bb5:8936:7e6a:9e36] (helo=ohm.rr44.fr) by hall.aurel32.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1dHc0u-0004N9-Gu; Sun, 04 Jun 2017 22:20:40 +0200 Received: from aurel32 by ohm.rr44.fr with local (Exim 4.89) (envelope-from ) id 1dHc0t-0004L1-NM; Sun, 04 Jun 2017 22:20:39 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Sun, 4 Jun 2017 22:20:33 +0200 Message-Id: <20170604202034.16615-3-aurelien@aurel32.net> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170604202034.16615-1-aurelien@aurel32.net> References: <20170604202034.16615-1-aurelien@aurel32.net> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2001:bc8:30d7:100::1 Subject: [Qemu-devel] [PATCH v4 2/3] target/s390x: implement STORE PAIR TO QUADWORD 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: Alexander Graf , Aurelien Jarno , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Aurelien Jarno --- target/s390x/helper.h | 1 + target/s390x/insn-data.def | 2 ++ target/s390x/mem_helper.c | 24 ++++++++++++++++++++++++ target/s390x/translate.c | 6 ++++++ 4 files changed, 33 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 61d4ef899e..12d7f8fe95 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -104,6 +104,7 @@ DEF_HELPER_FLAGS_3(keb, TCG_CALL_NO_WG, i32, env, i64, = i64) DEF_HELPER_FLAGS_3(kdb, TCG_CALL_NO_WG, i32, env, i64, i64) DEF_HELPER_FLAGS_5(kxb, TCG_CALL_NO_WG, i32, env, i64, i64, i64, i64) DEF_HELPER_FLAGS_2(lpq, TCG_CALL_NO_WG, i64, env, i64) +DEF_HELPER_FLAGS_4(stpq, TCG_CALL_NO_WG, void, env, i64, i64, i64) =20 #ifndef CONFIG_USER_ONLY DEF_HELPER_3(servc, i32, env, i64, i64) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 32dee40269..73dd05daf0 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -796,6 +796,8 @@ /* STORE ACCESS MULTIPLE */ C(0x9b00, STAM, RS_a, Z, 0, a2, 0, 0, stam, 0) C(0xeb9b, STAMY, RSY_a, LD, 0, a2, 0, 0, stam, 0) +/* STORE PAIR TO QUADWORD */ + C(0xe38e, STPQ, RXY_a, Z, 0, a2, r1_P, 0, stpq, 0) =20 /* SUBTRACT */ C(0x1b00, SR, RR_a, Z, r1, r2, new, r1_32, sub, subs32) diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c index f48908cecb..a8988e0293 100644 --- a/target/s390x/mem_helper.c +++ b/target/s390x/mem_helper.c @@ -1692,6 +1692,30 @@ uint64_t HELPER(lpq)(CPUS390XState *env, uint64_t ad= dr) return hi; } =20 +/* store pair to quadword */ +void HELPER(stpq)(CPUS390XState *env, uint64_t addr, + uint64_t low, uint64_t high) +{ + uintptr_t ra =3D GETPC(); + + if (parallel_cpus) { +#ifndef CONFIG_ATOMIC128 + cpu_loop_exit_atomic(ENV_GET_CPU(env), ra); +#else + int mem_idx =3D cpu_mmu_index(env, false); + TCGMemOpIdx oi =3D make_memop_idx(MO_TEQ | MO_ALIGN_16, mem_idx); + + Int128 v =3D int128_make128(low, high); + helper_atomic_sto_be_mmu(env, addr, v, oi, ra); +#endif + } else { + check_alignment(env, addr, 16, ra); + + cpu_stq_data_ra(env, addr + 0, high, ra); + cpu_stq_data_ra(env, addr + 8, low, ra); + } +} + /* Execute instruction. This instruction executes an insn modified with the contents of r1. It does not change the executed instruction in mem= ory; it does not change the program counter. diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 3b621993cf..8702cc8cc7 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -4198,6 +4198,12 @@ static ExitStatus op_stmh(DisasContext *s, DisasOps = *o) return NO_EXIT; } =20 +static ExitStatus op_stpq(DisasContext *s, DisasOps *o) +{ + gen_helper_stpq(cpu_env, o->in2, o->out2, o->out); + return NO_EXIT; +} + static ExitStatus op_srst(DisasContext *s, DisasOps *o) { gen_helper_srst(o->in1, cpu_env, regs[0], o->in1, o->in2); --=20 2.11.0