From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from esa5.hgst.iphmx.com (esa5.hgst.iphmx.com [216.71.153.144]) by sourceware.org (Postfix) with ESMTPS id 0CE873857027 for ; Sun, 12 Jul 2020 15:57:20 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 0CE873857027 IronPort-SDR: WMMrJVIWfJBm676HkN6SCbi8obq84KPbET5l395YO717e/zNRM2zpyPm3YEbNHnsyEeBfZ8322 N2yQBLt3bZxbSvlBjNgP7gVkXlpbD4CCZARweQBiE1p1BqKWmVLe/uBWyB93XPgzhgkbP1Mr4z q2ZhBGgogWrldXkcOn7SvbM0V8/qonkK9DZH57kyFnZFx+u0ZPR5hvIrsvT6K+Udbce7WDz1aX 2T62ussANNKXcFQgmTnLcceNzyhpP35sZA/wkXh4ym4eSNa4AzNl4rXohgdk8MJGsB7LD6JkS/ YJM= X-IronPort-AV: E=Sophos;i="5.75,344,1589212800"; d="scan'208";a="142401276" Received: from uls-op-cesaip01.wdc.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 12 Jul 2020 23:57:21 +0800 IronPort-SDR: EMxoqXv1rsocS5L1+K2PadPSETxoO7mYzopUPR49UMGle1eUmu615liuIuDOP4XbGal/2iRdFE vm+V6XU9fE87Gnwk0alZgvr1UTKA77SjE= Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jul 2020 08:45:51 -0700 IronPort-SDR: 1Wlcq42Hh0PIcl59pFG4eXzbWLvxtoKSwbaHzXxxcsQPGXy3kRa6mwiMEhZPkQKmLl+HcRezAS I8jHQkEwRJ0Q== WDCIronportException: Internal Received: from usa002626.ad.shared (HELO risc6-mainframe.hgst.com) ([10.86.57.178]) by uls-op-cesaip02.wdc.com with ESMTP; 12 Jul 2020 08:57:20 -0700 From: Alistair Francis To: libc-alpha@sourceware.org Cc: alistair.francis@wdc.com, alistair23@gmail.com Subject: [PATCH v3 11/19] RISC-V: Hard float support for 32-bit Date: Sun, 12 Jul 2020 08:47:49 -0700 Message-Id: <55e8f6583006bf80653190c3f0f56979f15facfc.1594568655.git.alistair.francis@wdc.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-14.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, KAM_SHORT, SPF_HELO_PASS, 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-List-Received-Date: Sun, 12 Jul 2020 15:57:22 -0000 From: Zong Li This patch contains hardware floating-point support for the RV32IF and RV32IFD. --- sysdeps/riscv/rv32/rvd/s_lrint.c | 31 ++++++++++++++++++++++++++++++ sysdeps/riscv/rv32/rvd/s_lround.c | 31 ++++++++++++++++++++++++++++++ sysdeps/riscv/rv32/rvf/s_lrintf.c | 31 ++++++++++++++++++++++++++++++ sysdeps/riscv/rv32/rvf/s_lroundf.c | 31 ++++++++++++++++++++++++++++++ 4 files changed, 124 insertions(+) create mode 100644 sysdeps/riscv/rv32/rvd/s_lrint.c create mode 100644 sysdeps/riscv/rv32/rvd/s_lround.c create mode 100644 sysdeps/riscv/rv32/rvf/s_lrintf.c create mode 100644 sysdeps/riscv/rv32/rvf/s_lroundf.c diff --git a/sysdeps/riscv/rv32/rvd/s_lrint.c b/sysdeps/riscv/rv32/rvd/s_lrint.c new file mode 100644 index 0000000000..bdec792f18 --- /dev/null +++ b/sysdeps/riscv/rv32/rvd/s_lrint.c @@ -0,0 +1,31 @@ +/* lrint(). The 32-bit RISC-V (RV32) version. + Copyright (C) 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 +#include + +long int +__lrint (double x) +{ + int32_t res; + asm ("fcvt.w.d %0, %1" : "=r" (res) : "f" (x)); + return res; +} + +libm_alias_double (__lrint, lrint) diff --git a/sysdeps/riscv/rv32/rvd/s_lround.c b/sysdeps/riscv/rv32/rvd/s_lround.c new file mode 100644 index 0000000000..51cb020e48 --- /dev/null +++ b/sysdeps/riscv/rv32/rvd/s_lround.c @@ -0,0 +1,31 @@ +/* lround(). RISC-V version. + Copyright (C) 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 +#include + +long int +__lround (double x) +{ + int32_t res; + asm ("fcvt.w.d %0, %1, rmm" : "=r" (res) : "f" (x)); + return res; +} + +libm_alias_double (__lround, lround) diff --git a/sysdeps/riscv/rv32/rvf/s_lrintf.c b/sysdeps/riscv/rv32/rvf/s_lrintf.c new file mode 100644 index 0000000000..e9aee00cab --- /dev/null +++ b/sysdeps/riscv/rv32/rvf/s_lrintf.c @@ -0,0 +1,31 @@ +/* lrintf(). RISC-V version. + Copyright (C) 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 +#include + +long int +__lrintf (float x) +{ + int32_t res; + asm ("fcvt.w.s %0, %1" : "=r" (res) : "f" (x)); + return res; +} + +libm_alias_float (__lrint, lrint) diff --git a/sysdeps/riscv/rv32/rvf/s_lroundf.c b/sysdeps/riscv/rv32/rvf/s_lroundf.c new file mode 100644 index 0000000000..3b5ca73a5e --- /dev/null +++ b/sysdeps/riscv/rv32/rvf/s_lroundf.c @@ -0,0 +1,31 @@ +/* lroundf(). RISC-V version. + Copyright (C) 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 +#include + +long int +__lroundf (float x) +{ + int32_t res; + asm ("fcvt.w.s %0, %1, rmm" : "=r" (res) : "f" (x)); + return res; +} + +libm_alias_float (__lround, lround) -- 2.27.0