From nobody Mon Feb 9 08:37:04 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1559414078; cv=none; d=zoho.com; s=zohoarc; b=cl7DmGbygTVWYly7LWE527xtKu/Ud9ool3R6BnL8cKgC04utXZ5LE47aWEwhFepS9mnqVNucSaKaD4uJhA+zUWLTMMs7Vn6kazr7iKvUjd13HsWIIhw7MSIdJ3br99Ba4KxTX0TnSNUB5My8exGePP1TPHRJGDwq9NkftDMGpug= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1559414078; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=aubtSJGhvelY9+Z5Je6LS48Dw3ZR07k26RrChlIa0yI=; b=ed6qaAmej2sK9S35dy94PFxI+JRv+l8NssaJFEqvedCJkyt5Wp+N4U1mYtcAzJSwk+R8flEonpWe3zA7FKeF1ZW5f4fM17VoMutklDBCK+yxCknjXqzypLPMtI8/+FEQyiTX1Pjx70AcWXPNuD9DbVdioUPF1RX8VmJUpo9hgbY= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.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 (209.51.188.17 [209.51.188.17]) by mx.zohomail.com with SMTPS id 1559414078715567.8450912109258; Sat, 1 Jun 2019 11:34:38 -0700 (PDT) Received: from localhost ([127.0.0.1]:39951 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hX8pu-0004OQ-UB for importer@patchew.org; Sat, 01 Jun 2019 14:34:35 -0400 Received: from eggs.gnu.org ([209.51.188.92]:48208) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hX8nR-0002sQ-Ob for qemu-devel@nongnu.org; Sat, 01 Jun 2019 14:32:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hX8nQ-0005tA-Hr for qemu-devel@nongnu.org; Sat, 01 Jun 2019 14:32:01 -0400 Received: from mx2.rt-rk.com ([89.216.37.149]:59835 helo=mail.rt-rk.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hX8nQ-0005Px-BS for qemu-devel@nongnu.org; Sat, 01 Jun 2019 14:32:00 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.rt-rk.com (Postfix) with ESMTP id 7AA221A1D39; Sat, 1 Jun 2019 20:30:55 +0200 (CEST) Received: from rtrkw774-lin.domain.local (rtrkw774-lin.domain.local [10.10.13.43]) by mail.rt-rk.com (Postfix) with ESMTPSA id 562D51A0570; Sat, 1 Jun 2019 20:30:55 +0200 (CEST) X-Virus-Scanned: amavisd-new at rt-rk.com From: Aleksandar Markovic To: qemu-devel@nongnu.org Date: Sat, 1 Jun 2019 20:30:41 +0200 Message-Id: <1559413846-4402-4-git-send-email-aleksandar.markovic@rt-rk.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1559413846-4402-1-git-send-email-aleksandar.markovic@rt-rk.com> References: <1559413846-4402-1-git-send-email-aleksandar.markovic@rt-rk.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 89.216.37.149 Subject: [Qemu-devel] [PULL 3/8] target/mips: Add emulation of MMI instruction PCPYUD 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: peter.maydell@linaro.org, amarkovic@wavecomp.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Mateja Marjanovic Add emulation of MMI instruction PCPYUD. The emulation is implemented using TCG front end operations directly to achieve better performance. Signed-off-by: Mateja Marjanovic Signed-off-by: Aleksandar Markovic Reviewed-by: Aleksandar Rikalo Message-Id: <1551712405-2530-4-git-send-email-mateja.marjanovic@rt-rk.com> --- target/mips/translate.c | 43 ++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 42 insertions(+), 1 deletion(-) diff --git a/target/mips/translate.c b/target/mips/translate.c index b4fcbb1..e37722d 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -24458,6 +24458,45 @@ static void gen_mmi_pcpyld(DisasContext *ctx) } } =20 +/* + * PCPYUD rd, rs, rt + * + * Parallel Copy Upper Doubleword + * + * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 + * +-----------+---------+---------+---------+---------+-----------+ + * | MMI | rs | rt | rd | PCPYUD | MMI3 | + * +-----------+---------+---------+---------+---------+-----------+ + */ +static void gen_mmi_pcpyud(DisasContext *ctx) +{ + uint32_t rs, rt, rd; + uint32_t opcode; + + opcode =3D ctx->opcode; + + rs =3D extract32(opcode, 21, 5); + rt =3D extract32(opcode, 16, 5); + rd =3D extract32(opcode, 11, 5); + + if (rd =3D=3D 0) { + /* nop */ + } else { + if (rs =3D=3D 0) { + tcg_gen_movi_i64(cpu_gpr[rd], 0); + } else { + tcg_gen_mov_i64(cpu_gpr[rd], cpu_mmr[rs]); + } + if (rt =3D=3D 0) { + tcg_gen_movi_i64(cpu_mmr[rd], 0); + } else { + if (rd !=3D rt) { + tcg_gen_mov_i64(cpu_mmr[rd], cpu_mmr[rt]); + } + } + } +} + #endif =20 =20 @@ -27508,7 +27547,6 @@ static void decode_mmi3(CPUMIPSState *env, DisasCon= text *ctx) case MMI_OPC_3_PINTEH: /* TODO: MMI_OPC_3_PINTEH */ case MMI_OPC_3_PMULTUW: /* TODO: MMI_OPC_3_PMULTUW */ case MMI_OPC_3_PDIVUW: /* TODO: MMI_OPC_3_PDIVUW */ - case MMI_OPC_3_PCPYUD: /* TODO: MMI_OPC_3_PCPYUD */ case MMI_OPC_3_POR: /* TODO: MMI_OPC_3_POR */ case MMI_OPC_3_PNOR: /* TODO: MMI_OPC_3_PNOR */ case MMI_OPC_3_PEXCH: /* TODO: MMI_OPC_3_PEXCH */ @@ -27518,6 +27556,9 @@ static void decode_mmi3(CPUMIPSState *env, DisasCon= text *ctx) case MMI_OPC_3_PCPYH: gen_mmi_pcpyh(ctx); break; + case MMI_OPC_3_PCPYUD: + gen_mmi_pcpyud(ctx); + break; default: MIPS_INVAL("TX79 MMI class MMI3"); generate_exception_end(ctx, EXCP_RI); --=20 2.7.4