From nobody Tue Feb 10 18:56:50 2026 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1622576723; cv=none; d=zohomail.com; s=zohoarc; b=AY6MsOuvweHWR0czLLA7su6OuRunZLb8nV0SRilEusq7gkymBcOJa2GA7uZgWs4hungVZjUS+sOWVcPuyHzuzU4h20G/lJ+GVtCiCoHNb2Xtk/0+zXmAwUt5nRlrptD3mxkjzY+P7iOi3ts2vizM0OLszZnZi53fKs0S2V7Vodw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1622576723; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=Y8Tnev4INXSLselFsL1dfNH8aRzeyTtbn2N5EiFS4RA=; b=F+/MUA7eDeh7ybPSILjqipS4COAS1fGZqi6/ZMadxOR0SeldLTUsHWrckndsVo0mTb/JFv+JXaujUgpDEVNwKU9M/G+81XBFD1rNM3w6u9KKY5dG3xliCc9fmA9xVvdid/P3qAQG3D3AHBlMc8q7aOVY3gMH6DdMd7kKRN+7T80= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=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 1622576723782409.08549056175445; Tue, 1 Jun 2021 12:45:23 -0700 (PDT) Received: from localhost ([::1]:53372 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1loAKI-0000sX-NX for importer2@patchew.org; Tue, 01 Jun 2021 15:45:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33446) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1loABS-0002PY-HP; Tue, 01 Jun 2021 15:36:14 -0400 Received: from [201.28.113.2] (port=31942 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1loABR-0002Jl-0E; Tue, 01 Jun 2021 15:36:14 -0400 Received: from power9a ([10.10.71.235]) by outlook.eldorado.org.br with Microsoft SMTPSVC(8.5.9600.16384); Tue, 1 Jun 2021 16:35:44 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by power9a (Postfix) with ESMTP id 3B24680148B; Tue, 1 Jun 2021 16:35:44 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH v6 10/14] target/ppc: Implement setbc/setbcr/stnbc/setnbcr instructions Date: Tue, 1 Jun 2021 16:35:24 -0300 Message-Id: <20210601193528.2533031-11-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210601193528.2533031-1-matheus.ferst@eldorado.org.br> References: <20210601193528.2533031-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-OriginalArrivalTime: 01 Jun 2021 19:35:44.0706 (UTC) FILETIME=[5081A220:01D7571D] X-Host-Lookup-Failed: Reverse DNS lookup failed for 201.28.113.2 (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+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=201.28.113.2; envelope-from=matheus.ferst@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, 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: richard.henderson@linaro.org, f4bug@amsat.org, groug@kaod.org, luis.pires@eldorado.org.br, lagarcia@br.ibm.com, Matheus Ferst , david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Matheus Ferst Implements the following PowerISA v3.1 instructions: setbc: Set Boolean Condition setbcr: Set Boolean Condition Reverse setnbc: Set Negative Boolean Condition setnbcr: Set Negative Boolean Condition Reverse Signed-off-by: Matheus Ferst --- target/ppc/insn32.decode | 10 ++++++++++ target/ppc/translate/fixedpoint-impl.c.inc | 23 ++++++++++++++++++++++ 2 files changed, 33 insertions(+) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index 00ec0f4328..bc69c70493 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -26,6 +26,9 @@ &X rt ra rb @X ...... rt:5 ra:5 rb:5 .......... . &X =20 +&X_bi rt bi +@X_bi ...... rt:5 bi:5 ----- .......... - &X_bi + ### Fixed-Point Load Instructions =20 LBZ 100010 ..... ..... ................ @D @@ -83,3 +86,10 @@ STDUX 011111 ..... ..... ..... 0010110101 - = @X =20 ADDI 001110 ..... ..... ................ @D ADDIS 001111 ..... ..... ................ @D + +### Move To/From System Register Instructions + +SETBC 011111 ..... ..... ----- 0110000000 - @X_bi +SETBCR 011111 ..... ..... ----- 0110100000 - @X_bi +SETNBC 011111 ..... ..... ----- 0111000000 - @X_bi +SETNBCR 011111 ..... ..... ----- 0111100000 - @X_bi diff --git a/target/ppc/translate/fixedpoint-impl.c.inc b/target/ppc/transl= ate/fixedpoint-impl.c.inc index 2d2d874146..5f9845fa40 100644 --- a/target/ppc/translate/fixedpoint-impl.c.inc +++ b/target/ppc/translate/fixedpoint-impl.c.inc @@ -204,3 +204,26 @@ static bool trans_PNOP(DisasContext *ctx, arg_PNOP *a) { return true; } + +static bool do_set_bool_cond(DisasContext *ctx, arg_X_bi *a, bool neg, boo= l rev) +{ + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + uint32_t mask =3D 0x08 >> (a->bi & 0x03); + TCGCond cond =3D rev ? TCG_COND_EQ : TCG_COND_NE; + TCGv temp =3D tcg_temp_new(); + + tcg_gen_extu_i32_tl(temp, cpu_crf[a->bi >> 2]); + tcg_gen_andi_tl(temp, temp, mask); + tcg_gen_setcondi_tl(cond, cpu_gpr[a->rt], temp, 0); + if (neg) { + tcg_gen_neg_tl(cpu_gpr[a->rt], cpu_gpr[a->rt]); + } + tcg_temp_free(temp); + + return true; +} + +TRANS(SETBC, do_set_bool_cond, false, false) +TRANS(SETBCR, do_set_bool_cond, false, true) +TRANS(SETNBC, do_set_bool_cond, true, false) +TRANS(SETNBCR, do_set_bool_cond, true, true) --=20 2.25.1