From patchwork Wed Jun 13 01:56:39 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 928581 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="K2kPudgq"; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 41596V0Tlmz9s2t for ; Wed, 13 Jun 2018 12:04:18 +1000 (AEST) Received: from localhost ([::1]:59300 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fSv8x-0007Or-LA for incoming@patchwork.ozlabs.org; Tue, 12 Jun 2018 22:04:15 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44166) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fSv2U-0002g1-H8 for qemu-devel@nongnu.org; Tue, 12 Jun 2018 21:57:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fSv2R-0006Ky-CM for qemu-devel@nongnu.org; Tue, 12 Jun 2018 21:57:34 -0400 Received: from mail-pf0-x242.google.com ([2607:f8b0:400e:c00::242]:45756) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fSv2R-0006Kl-19 for qemu-devel@nongnu.org; Tue, 12 Jun 2018 21:57:31 -0400 Received: by mail-pf0-x242.google.com with SMTP id a22-v6so497934pfo.12 for ; Tue, 12 Jun 2018 18:57:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=1seX/MWdF66DWCgqk5sBbS7AoboDAL+ftKWl5wY1S6g=; b=K2kPudgqELQqytqjMo/5gcCIuB2Mi3/++BV2dSrxPywTIuFIWxApsdme5obuaMsMW9 e1WpnPxUz8nPK80qMdHSwsb4Pj6n+1rO5c6NQLmkzV8KPQu1XVZHurfyMNL9TQa9R6Pn +2cBpiEfrH+C/smGyei6HWNKsI/7MYZNxf4zU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=1seX/MWdF66DWCgqk5sBbS7AoboDAL+ftKWl5wY1S6g=; b=hs4GofUkMalLNwsGBWW2HUhSC6UjiGoL9U8Tn2kDVfDK0pKvnza97bZPYfxRPm40ZW pkZeYeSMMOw5Uh/TRfHM40ZmdgRQMlTUrLp17Qjm9V2sKnPiHwW5dWrY1XHWuaSRjthR vHkB4Ur8r/pdlBhpyRWnJKwqlwV/DDV46XNjr9JVNhDkoolxw2RykTcNjRiHdzOKkBRW l7RAUiGiRM0Ez/6o1CjQoy+cRXBpr3q1QcXWqUu0aCiddHnfrE/vllK9XdhCryeFBeFV 7AhD/id1p0sLHn+n8BcX99qE1bHn94NSrw3lXIExT7P6PF5RZM0Y4sfKzmAKjDp3n6Sk Li0Q== X-Gm-Message-State: APt69E2oUbVOIWNNv+dIWFKmOlBHuTGvDhxT53vKWLOJtSaF1Mxj1f7R V9gQ+9vDLGBR1GPyjDF4aahd0DdLlIU= X-Google-Smtp-Source: ADUXVKKvah2RI8nxJMq0AETsXxblFolWuJajwWu5zcXrlbOv2QgQ0l8D6DqWdLBGm8nSq5rbgw+BiA== X-Received: by 2002:a62:f705:: with SMTP id h5-v6mr2856832pfi.169.1528855049603; Tue, 12 Jun 2018 18:57:29 -0700 (PDT) Received: from cloudburst.twiddle.net (rrcs-173-198-77-219.west.biz.rr.com. [173.198.77.219]) by smtp.gmail.com with ESMTPSA id g10-v6sm1647287pfi.148.2018.06.12.18.57.27 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 12 Jun 2018 18:57:28 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 12 Jun 2018 15:56:39 -1000 Message-Id: <20180613015641.5667-17-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180613015641.5667-1-richard.henderson@linaro.org> References: <20180613015641.5667-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c00::242 Subject: [Qemu-devel] [PATCH v4b 16/18] target/arm: Implement FDUP/DUP 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 Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/translate-sve.c | 37 +++++++++++++++++++++++++++++++++++++ target/arm/sve.decode | 8 ++++++++ 2 files changed, 45 insertions(+) diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index ae6a504f61..13d5effff1 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -3191,6 +3191,43 @@ static bool trans_WHILE(DisasContext *s, arg_WHILE *a, uint32_t insn) return true; } +/* + *** SVE Integer Wide Immediate - Unpredicated Group + */ + +static bool trans_FDUP(DisasContext *s, arg_FDUP *a, uint32_t insn) +{ + if (a->esz == 0) { + return false; + } + if (sve_access_check(s)) { + unsigned vsz = vec_full_reg_size(s); + int dofs = vec_full_reg_offset(s, a->rd); + uint64_t imm; + + /* Decode the VFP immediate. */ + imm = vfp_expand_imm(a->esz, a->imm); + imm = dup_const(a->esz, imm); + + tcg_gen_gvec_dup64i(dofs, vsz, vsz, imm); + } + return true; +} + +static bool trans_DUP_i(DisasContext *s, arg_DUP_i *a, uint32_t insn) +{ + if (a->esz == 0 && extract32(insn, 13, 1)) { + return false; + } + if (sve_access_check(s)) { + unsigned vsz = vec_full_reg_size(s); + int dofs = vec_full_reg_offset(s, a->rd); + + tcg_gen_gvec_dup64i(dofs, vsz, vsz, dup_const(a->esz, a->imm)); + } + return true; +} + /* *** SVE Memory - 32-bit Gather and Unsized Contiguous Group */ diff --git a/target/arm/sve.decode b/target/arm/sve.decode index 4b718060a9..b8bd22aff7 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -614,6 +614,14 @@ CTERM 00100101 1 sf:1 1 rm:5 001000 rn:5 ne:1 0000 # SVE integer compare scalar count and limit WHILE 00100101 esz:2 1 rm:5 000 sf:1 u:1 1 rn:5 eq:1 rd:4 +### SVE Integer Wide Immediate - Unpredicated Group + +# SVE broadcast floating-point immediate (unpredicated) +FDUP 00100101 esz:2 111 00 1110 imm:8 rd:5 + +# SVE broadcast integer immediate (unpredicated) +DUP_i 00100101 esz:2 111 00 011 . ........ rd:5 imm=%sh8_i8s + ### SVE Memory - 32-bit Gather and Unsized Contiguous Group # SVE load predicate register