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 X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B75A7C433B4 for ; Sat, 8 May 2021 02:35:32 +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 5184461078 for ; Sat, 8 May 2021 02:35:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5184461078 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:60798 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lfCoV-0007jR-GT for qemu-devel@archiver.kernel.org; Fri, 07 May 2021 22:35:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41806) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lfC8J-0003WI-Aq for qemu-devel@nongnu.org; Fri, 07 May 2021 21:51:56 -0400 Received: from mail-pj1-x1035.google.com ([2607:f8b0:4864:20::1035]:45653) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lfC8D-0005a3-EJ for qemu-devel@nongnu.org; Fri, 07 May 2021 21:51:55 -0400 Received: by mail-pj1-x1035.google.com with SMTP id gc22-20020a17090b3116b02901558435aec1so6554457pjb.4 for ; Fri, 07 May 2021 18:51:48 -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 :mime-version:content-transfer-encoding; bh=xRrqi4bmOzILqgbF3ktlxWwTxarrZ6yzbdF4Z3f3EcY=; b=R0VdEcuYvGSwPmn4ZC+beqk+4LmEWBbCcCQReNSHiCKyVIJ4bea5KwfgXo7L1bmrho pBpG5rvvQFm+8uXmtIjaEmrXx7NWdEYOAYnDweVszNq+lVA5DS8SHLqfdopRXZ8rcglX /Y6nmlyYGznv+CLKoFXgcIeN6MJmSzAwX33BtEojRJK9O+nxDlqn2vxfpbH+dX9/PTaR xA9Hst/ov7fYdCw4Ii5p6+St5a+CgW3dLepWGOx3DEz9vHKKm69+Zy+hikH8NphXbFy4 +YUlgm93ttRUt/HkJzPxXa5Ot10PacUOmWO3QaTxHMxinV2m3OeKy7Sfed8Jg6RSk5ir yxxw== 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:mime-version:content-transfer-encoding; bh=xRrqi4bmOzILqgbF3ktlxWwTxarrZ6yzbdF4Z3f3EcY=; b=WGBWVT2GL5X2yYX+EjsOQGbhhknPEYUnQJQX4nR/Mn8ji/Y09786eZ+4M94jEMmFs+ KHKZYzxsd45cHmJRlHFA8+BtgFMAXKKEDDR1MDa1M5RfZVQefaKD5gBsHH1Xg3eePxyg 17plQ4tQDCeuX2YgwozG2WuB8UhZzwUnQMjOOEPjk7jmCBrw3+rvkMbBB+1R8SDcwrxY g560GInACK64Xoz+4W93dNkZ7T4HOYwZpLUhAOhgLxulCNWo+fJbcBCHkifTJHQ8SGMc +mQc77Jt5Vamx4pGqioSmec1jZ8AqU5Ug4E6I3uz3ZjI3p/NaxnlXpiaL8lzbEU/XB65 V5fw== X-Gm-Message-State: AOAM5335DDwJeAK5HOjosH5FU08mCIueAqztB/S/bgD/7BD8iOlXZJiO zf09fWDL+Cv64WrBaP7cGtkk/g9EEOA6zQ== X-Google-Smtp-Source: ABdhPJwXqlgVi7cmOXW0vlZ1l0+/MWgOWFEOkPdBGEZShnJOHON+f0YCJKojW/ljdXx8Z9uBpD2SrQ== X-Received: by 2002:a17:90a:950c:: with SMTP id t12mr26393204pjo.135.1620438707794; Fri, 07 May 2021 18:51:47 -0700 (PDT) Received: from localhost.localdomain ([71.212.144.24]) by smtp.gmail.com with ESMTPSA id 204sm5861396pfw.158.2021.05.07.18.51.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 May 2021 18:51:47 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 68/72] softfloat: Convert floatx80_scalbn to FloatParts Date: Fri, 7 May 2021 18:47:58 -0700 Message-Id: <20210508014802.892561-69-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210508014802.892561-1-richard.henderson@linaro.org> References: <20210508014802.892561-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1035; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1035.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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: alex.bennee@linaro.org, david@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Richard Henderson --- fpu/softfloat.c | 50 +++++++++++-------------------------------------- 1 file changed, 11 insertions(+), 39 deletions(-) diff --git a/fpu/softfloat.c b/fpu/softfloat.c index 9f28c5c058..81ff563dc0 100644 --- a/fpu/softfloat.c +++ b/fpu/softfloat.c @@ -3913,6 +3913,17 @@ float128 float128_scalbn(float128 a, int n, float_status *status) return float128_round_pack_canonical(&p, status); } +floatx80 floatx80_scalbn(floatx80 a, int n, float_status *status) +{ + FloatParts128 p; + + if (!floatx80_unpack_canonical(&p, a, status)) { + return floatx80_default_nan(status); + } + parts_scalbn(&p, n, status); + return floatx80_round_pack_canonical(&p, status); +} + /* * Square Root */ @@ -5747,45 +5758,6 @@ FloatRelation floatx80_compare_quiet(floatx80 a, floatx80 b, return floatx80_compare_internal(a, b, 1, status); } -floatx80 floatx80_scalbn(floatx80 a, int n, float_status *status) -{ - bool aSign; - int32_t aExp; - uint64_t aSig; - - if (floatx80_invalid_encoding(a)) { - float_raise(float_flag_invalid, status); - return floatx80_default_nan(status); - } - aSig = extractFloatx80Frac( a ); - aExp = extractFloatx80Exp( a ); - aSign = extractFloatx80Sign( a ); - - if ( aExp == 0x7FFF ) { - if ( aSig<<1 ) { - return propagateFloatx80NaN(a, a, status); - } - return a; - } - - if (aExp == 0) { - if (aSig == 0) { - return a; - } - aExp++; - } - - if (n > 0x10000) { - n = 0x10000; - } else if (n < -0x10000) { - n = -0x10000; - } - - aExp += n; - return normalizeRoundAndPackFloatx80(status->floatx80_rounding_precision, - aSign, aExp, aSig, 0, status); -} - static void __attribute__((constructor)) softfloat_init(void) { union_float64 ua, ub, uc, ur; -- 2.25.1