From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 94BA6C433F5 for ; Tue, 9 Nov 2021 06:02:58 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4D116611AD for ; Tue, 9 Nov 2021 06:02:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 4D116611AD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:53104 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mkKDh-00064K-3I for qemu-devel@archiver.kernel.org; Tue, 09 Nov 2021 01:02:57 -0500 Received: from eggs.gnu.org ([209.51.188.92]:49990) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkK3f-0004St-JU; Tue, 09 Nov 2021 00:52:37 -0500 Received: from [2404:9400:2:0:216:3eff:fee2:21ea] (port=53085 helo=gandalf.ozlabs.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkK3b-0006fa-Bs; Tue, 09 Nov 2021 00:52:34 -0500 Received: by gandalf.ozlabs.org (Postfix, from userid 1007) id 4HpHDn74jHz4xdj; Tue, 9 Nov 2021 16:52:09 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gibson.dropbear.id.au; s=201602; t=1636437129; bh=uBl+9XcAoHxUPfrKhlxlOa8YVq7wE5+IA9WFDCBrWkA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HhEJpbNHNwuIOXoIe7OsRz2h5f1weien+EO0lTQj2XUwWkQ4QcMhlNO7xrBfkZVHm ttNjdvLATjyiXTY9diGhzXkNQddSXlTR17VHyB0Tw2/6zIpiyqeFdq8HHLAn4aWs4X jbeZF0lfKT+sksoWShI55QDKeWFENLj7m/yvCAso= From: David Gibson To: peter.maydell@linaro.org, clg@kaod.org, danielhb413@gmail.com, groug@kaod.org Subject: [PULL 09/54] target/ppc: Implement pdepd instruction Date: Tue, 9 Nov 2021 16:51:19 +1100 Message-Id: <20211109055204.230765-10-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211109055204.230765-1-david@gibson.dropbear.id.au> References: <20211109055204.230765-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2404:9400:2:0:216:3eff:fee2:21ea (failed) Received-SPF: pass client-ip=2404:9400:2:0:216:3eff:fee2:21ea; envelope-from=dgibson@gandalf.ozlabs.org; helo=gandalf.ozlabs.org X-Spam_score_int: -9 X-Spam_score: -1.0 X-Spam_bar: - X-Spam_report: (-1.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RDNS_NONE=0.793, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Matheus Ferst , Richard Henderson , 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 Reviewed-by: Richard Henderson Signed-off-by: Matheus Ferst Message-Id: <20211029202424.175401-10-matheus.ferst@eldorado.org.br> Signed-off-by: David Gibson --- target/ppc/helper.h | 1 + target/ppc/insn32.decode | 1 + target/ppc/int_helper.c | 20 ++++++++++++++++++++ target/ppc/translate/fixedpoint-impl.c.inc | 12 ++++++++++++ 4 files changed, 34 insertions(+) diff --git a/target/ppc/helper.h b/target/ppc/helper.h index 4076aa281e..3e22957559 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -48,6 +48,7 @@ DEF_HELPER_FLAGS_2(cmpb, TCG_CALL_NO_RWG_SE, tl, tl, tl) DEF_HELPER_3(sraw, tl, env, tl, tl) DEF_HELPER_FLAGS_2(cfuged, TCG_CALL_NO_RWG_SE, i64, i64, i64) #if defined(TARGET_PPC64) +DEF_HELPER_FLAGS_2(PDEPD, TCG_CALL_NO_RWG_SE, i64, i64, i64) DEF_HELPER_FLAGS_2(cmpeqb, TCG_CALL_NO_RWG_SE, i32, tl, tl) DEF_HELPER_FLAGS_1(popcntw, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_2(bpermd, TCG_CALL_NO_RWG_SE, i64, i64, i64) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index ee8c90d520..c47a6a02e1 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -126,6 +126,7 @@ ADDPCIS 010011 ..... ..... .......... 00010 . @DX CFUGED 011111 ..... ..... ..... 0011011100 - @X CNTLZDM 011111 ..... ..... ..... 0000111011 - @X CNTTZDM 011111 ..... ..... ..... 1000111011 - @X +PDEPD 011111 ..... ..... ..... 0010011100 - @X ### Float-Point Load Instructions diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index eeb7781a9e..337bb7f4d3 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -386,6 +386,26 @@ uint64_t helper_cfuged(uint64_t src, uint64_t mask) return left | (right >> n); } +#if defined(TARGET_PPC64) +uint64_t helper_PDEPD(uint64_t src, uint64_t mask) +{ + int i, o; + uint64_t result = 0; + + if (mask == -1) { + return src; + } + + for (i = 0; mask != 0; i++) { + o = ctz64(mask); + mask &= mask - 1; + result |= ((src >> i) & 1) << o; + } + + return result; +} +#endif + /*****************************************************************************/ /* PowerPC 601 specific instructions (POWER bridge) */ target_ulong helper_div(CPUPPCState *env, target_ulong arg1, target_ulong arg2) diff --git a/target/ppc/translate/fixedpoint-impl.c.inc b/target/ppc/translate/fixedpoint-impl.c.inc index d3dc0a474e..f0bf69fbac 100644 --- a/target/ppc/translate/fixedpoint-impl.c.inc +++ b/target/ppc/translate/fixedpoint-impl.c.inc @@ -469,3 +469,15 @@ static bool trans_CNTTZDM(DisasContext *ctx, arg_X *a) #endif return true; } + +static bool trans_PDEPD(DisasContext *ctx, arg_X *a) +{ + REQUIRE_64BIT(ctx); + REQUIRE_INSNS_FLAGS2(ctx, ISA310); +#if defined(TARGET_PPC64) + gen_helper_PDEPD(cpu_gpr[a->ra], cpu_gpr[a->rt], cpu_gpr[a->rb]); +#else + qemu_build_not_reached(); +#endif + return true; +} -- 2.33.1