From patchwork Tue Jun 9 21:32:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adhemerval Zanella X-Patchwork-Id: 39543 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 09A34388C027; Tue, 9 Jun 2020 21:33:26 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 09A34388C027 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1591738406; bh=FGuh5lxBl9PQj9COU+2XBCtuK+zUsxsD8JlbsFZ9/G4=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To: From; b=QLKVY1jnKkHD7Me/YwCmawO7YfvkpqlvF8emLzDdfy1CsHV1dzS/YLFFaVi3Ze2CF +6lv73C5N4xhqPxmtSYIB5W1c69tMfwQqpcVJyYABedaIPQRnAxaMLepL3TVHLo8VP PHAi9YojpUzy4rEdLhlgn6++iwFVm0nzoVZB7hh0= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail-qv1-xf43.google.com (mail-qv1-xf43.google.com [IPv6:2607:f8b0:4864:20::f43]) by sourceware.org (Postfix) with ESMTPS id 4D5D5388C021 for ; Tue, 9 Jun 2020 21:33:23 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 4D5D5388C021 Received: by mail-qv1-xf43.google.com with SMTP id p15so82810qvr.9 for ; Tue, 09 Jun 2020 14:33:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=FGuh5lxBl9PQj9COU+2XBCtuK+zUsxsD8JlbsFZ9/G4=; b=Dsg7tmJVrCsC/erT8joKHRIGOMaHaOXBuGQ9hUfhgEpk/uSlTdycZuclTwOV/BcNLe c7jo+zfI3mRWw6XQm1OmIECN3qKoZO6krPXD2/lCh6usSuGZuPpn/MxwSO1RowkswFVv o9ynh0/cG4LopTL7v6lzjdALZ24wgAB5gB7kmqObQaDGnkvI7YFBT3slPO5rf0RMEuB7 IK6vBpBP64Nt9fKiOcL/m4SnyzufSTUwVz7qrpeHIAAu4I8bUZRH11aL/zTyKsOWYzfp kRno2AdDoo9KNqhdG15rgNZxSNx4FiaJFr3f/K/pfcfzarWPkPSPvKWr/81pJakagVRC KLDA== X-Gm-Message-State: AOAM532ksNJ3q1d3GzhbVPGqPv9ZWhxV8q/4EIevifaAYMIm+n4KY0Au jUb1Nvvst0xb22ZdiL9oDSwJ8YXt+vc= X-Google-Smtp-Source: ABdhPJwtwUQoIWpqRzlJl8568Ydu7P5saWsM3gPz2lRskze/YWqoJ/Dvf1f3nFITuDNmutN3QBUjIA== X-Received: by 2002:a05:6214:4e7:: with SMTP id cl7mr97765qvb.215.1591738402655; Tue, 09 Jun 2020 14:33:22 -0700 (PDT) Received: from localhost.localdomain ([177.194.48.209]) by smtp.googlemail.com with ESMTPSA id d193sm10746214qke.124.2020.06.09.14.33.20 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jun 2020 14:33:21 -0700 (PDT) To: libc-alpha@sourceware.org Subject: [PATCH 11/13] riscv: Use sqrt{f} builtin Date: Tue, 9 Jun 2020 18:32:59 -0300 Message-Id: <20200609213301.3591135-11-adhemerval.zanella@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200609213301.3591135-1-adhemerval.zanella@linaro.org> References: <20200609213301.3591135-1-adhemerval.zanella@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=-14.8 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, KAM_SHORT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Adhemerval Zanella via Libc-alpha From: Adhemerval Zanella Reply-To: Adhemerval Zanella Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" Checked with a build for riscv64-linux-gnu-rv64imac-lp64 (no builtin support), riscv64-linux-gnu-rv64imafdc-lp64, and riscv64-linux-gnu-rv64imafdc-lp64d. --- sysdeps/riscv/rvd/e_sqrt.c | 28 ---------------------- sysdeps/riscv/rvd/math-use-builtins-sqrt.h | 4 ++++ sysdeps/riscv/rvf/e_sqrtf.c | 28 ---------------------- 3 files changed, 4 insertions(+), 56 deletions(-) delete mode 100644 sysdeps/riscv/rvd/e_sqrt.c create mode 100644 sysdeps/riscv/rvd/math-use-builtins-sqrt.h delete mode 100644 sysdeps/riscv/rvf/e_sqrtf.c diff --git a/sysdeps/riscv/rvd/e_sqrt.c b/sysdeps/riscv/rvd/e_sqrt.c deleted file mode 100644 index 7defcb5785..0000000000 --- a/sysdeps/riscv/rvd/e_sqrt.c +++ /dev/null @@ -1,28 +0,0 @@ -/* Double precision floating point square root. RISC-V version. - Copyright (C) 2017-2020 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library. If not, see - . */ - -#include -#include - -double -__ieee754_sqrt (double x) -{ - asm ("fsqrt.d %0, %1" : "=f" (x) : "f" (x)); - return x; -} -libm_alias_finite (__ieee754_sqrt, __sqrt) diff --git a/sysdeps/riscv/rvd/math-use-builtins-sqrt.h b/sysdeps/riscv/rvd/math-use-builtins-sqrt.h new file mode 100644 index 0000000000..e94c915ba6 --- /dev/null +++ b/sysdeps/riscv/rvd/math-use-builtins-sqrt.h @@ -0,0 +1,4 @@ +#define USE_SQRT_BUILTIN 1 +#define USE_SQRTF_BUILTIN 1 +#define USE_SQRTL_BUILTIN 0 +#define USE_SQRTF128_BUILTIN 0 diff --git a/sysdeps/riscv/rvf/e_sqrtf.c b/sysdeps/riscv/rvf/e_sqrtf.c deleted file mode 100644 index 04835e3e53..0000000000 --- a/sysdeps/riscv/rvf/e_sqrtf.c +++ /dev/null @@ -1,28 +0,0 @@ -/* Single precision floating point square root. RISC-V version. - Copyright (C) 2017-2020 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library. If not, see - . */ - -#include -#include - -float -__ieee754_sqrtf (float x) -{ - asm ("fsqrt.s %0, %1" : "=f" (x) : "f" (x)); - return x; -} -libm_alias_finite (__ieee754_sqrtf, __sqrtf)