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dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:36524 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1loiwo-0000mM-FB for qemu-devel@archiver.kernel.org; Thu, 03 Jun 2021 04:43:26 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40008) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1loie0-0008Fg-E1; Thu, 03 Jun 2021 04:24:00 -0400 Received: from bilbo.ozlabs.org ([2401:3900:2:1::2]:60737 helo=ozlabs.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1loidx-0000bu-1p; Thu, 03 Jun 2021 04:23:58 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 4Fwf5r13vGz9t54; Thu, 3 Jun 2021 18:22:39 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1622708560; bh=7HbCeEYP4Knr/13RSg7pmc7d1IGZGsIdCR9HfHS96C0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JcAizsZa6lMoTkBqaiewruOCC8wAJg/HDvdXF7L4EtIUQr/GJmLjLi173+2d9aJ22 biswcspGo1uzWUJPam0z4JZQvj1XFxhEZDnx+jNky8EbinamMvUfZPPBGiBtc8Srle UGyrB0hyH9ejq230fBZPyrvzrBIrwE6HQPMKGNFI= From: David Gibson To: peter.maydell@linaro.org, groug@kaod.org Subject: [PULL 37/42] target/ppc: Implement setbc/setbcr/stnbc/setnbcr instructions Date: Thu, 3 Jun 2021 18:22:26 +1000 Message-Id: <20210603082231.601214-38-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210603082231.601214-1-david@gibson.dropbear.id.au> References: <20210603082231.601214-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 Received-SPF: pass client-ip=2401:3900:2:1::2; envelope-from=dgibson@ozlabs.org; helo=ozlabs.org X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_PASS=-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: Matheus Ferst , qemu-ppc@nongnu.org, qemu-devel@nongnu.org, David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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 Message-Id: <20210601193528.2533031-11-matheus.ferst@eldorado.org.br> Signed-off-by: David Gibson --- 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 +&X_bi rt bi +@X_bi ...... rt:5 bi:5 ----- .......... - &X_bi + ### Fixed-Point Load Instructions LBZ 100010 ..... ..... ................ @D @@ -83,3 +86,10 @@ STDUX 011111 ..... ..... ..... 0010110101 - @X 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/translate/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, bool rev) +{ + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + uint32_t mask = 0x08 >> (a->bi & 0x03); + TCGCond cond = rev ? TCG_COND_EQ : TCG_COND_NE; + TCGv temp = 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)