From patchwork Tue Jun 25 00:09:29 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alistair Francis X-Patchwork-Id: 33384 Received: (qmail 22661 invoked by alias); 25 Jun 2019 00:12:01 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 22596 invoked by uid 89); 25 Jun 2019 00:12:00 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-26.5 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, KAM_SHORT autolearn=ham version=3.3.1 spammy= X-HELO: esa6.hgst.iphmx.com DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1561421519; x=1592957519; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=PwJjs3007+iGHMHM6uM1tqln1qxQ5iRDU0Mn8vJ3NOw=; b=jVayirAQOcRFkQYIVMC+AhLgsxlabE3M81L/NQm1W+Kiu3eYc19vMMLn T6bVfDPhiWULorgTqh7NC0ZCGtYnd2A6TOcyEZXtCWW7plb0IOmpkYBza n5fs6mY8ea9xO6gSmha4aDiypceUs7kOMCG4yl8g9qljo1CFdYaW4dOcD 0iUG6NDfKMrNBVLcDMtw4YbM6Vcbryl1g6smalu9W8sg5FSuglBg2wIYK sRHRtud4Q5pBdnoJG30JGwIcqjUCFx59Xeg1zUf6syrfxWyC6YnPzC6nc DrkLp4DN64cTSuovMMum8vGMQMApi+CuMpgO2mnmhXuA1AeuSMF702lvF g==; IronPort-SDR: ah/AKdbXPgDYcuw+GwCyYrvPxpY2PZh5a8PJtC90+vnExtr8OcSGlfy246/MWTpbr9T3HDuluH P4B0Rv9H/wUiJkMeRfO5695rxDeDNEkAu6LmrvHFvj/jGRKG0iThnTALf5JJ6IYm2kpTMirbcE YNX1N4pucv1YUem+pV1Qfmek+kCY6jo4xQUgLoIZu1O+67jy79YtL4KpHQ2AFfy+LkWLPYUag9 12gkpqFtntTGBI2mTBD8H72chMXUxtK4pa8bwbB4T2EAKADNeAH9OY27dHzJOv9OUhUYriYWY1 6i2EpG7+GoUxHb/JdmozMtiC IronPort-SDR: 3KdNNj8lo7KlZWYz6qeuRjQDpXkOHv/tOsKM5/BeSLwPl87/iPqOM1tO6b/cRB32PGwYg1lfV8 ljuRquplXVSW5cRv0f8MQD+bJSIrgASYFKYZB+6EWHrx25/Mmpgwq91J00UI7H6sP1AECg3T0w 4jLn9J5HkhbwFjC4eTfYp+iirrEFPQMxj57v95oHwgQPKWkoPsQAgpVsbtJdAUOi8rC1mjs3bN jXSoG1/XHj27BhkhrSmyjAgWZBEmShn0AZT/1VLrosQyvSzGqmaHH5JpwkuVyQWZvaghtV2PVe MiY= From: Alistair Francis To: libc-alpha@sourceware.org Cc: arnd@arndb.de, adhemerval.zanella@linaro.org, fweimer@redhat.com, palmer@sifive.com, macro@wdc.com, zongbox@gmail.com, zong@andestech.com, alistair.francis@wdc.com, alistair23@gmail.com Subject: [RFC v2 15/20] RISC-V: Hard float support for the 32 bit Date: Mon, 24 Jun 2019 17:09:29 -0700 Message-Id: <666b9db013b7e7af5d9a3e27dea67a0fb298aa77.1561421043.git.alistair.francis@wdc.com> In-Reply-To: References: MIME-Version: 1.0 From: Zong Li This patch contains hardware floating-point support for the RV32IF and RV32IFD 2018-11-29 Zong Li * sysdeps/riscv/rv32/rvd/s_lrint.c: New file. * sysdeps/riscv/rv32/rvd/s_lround.c: Likewise. * sysdeps/riscv/rv32/rvf/s_lrintf.c: Likewise. * sysdeps/riscv/rv32/rvf/s_lroundf.c: Likewise. --- ChangeLog | 4 ++++ 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 ++++++++++++++++++++++++++++++ 5 files changed, 128 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/ChangeLog b/ChangeLog index 98bb7f600d..b25e734556 100644 --- a/ChangeLog +++ b/ChangeLog @@ -28,6 +28,10 @@ * sysdeps/riscv/sfp-machine.h: Likewise. * sysdeps/riscv/sys/asm.h: Likewise. * sysdeps/unix/sysv/linux/riscv/rv32/jmp_buf-macros.h: New file. + * sysdeps/riscv/rv32/rvd/s_lrint.c: New file. + * sysdeps/riscv/rv32/rvd/s_lround.c: Likewise. + * sysdeps/riscv/rv32/rvf/s_lrintf.c: Likewise. + * sysdeps/riscv/rv32/rvf/s_lroundf.c: Likewise. 2019-06-20 Dmitry V. Levin Florian Weimer diff --git a/sysdeps/riscv/rv32/rvd/s_lrint.c b/sysdeps/riscv/rv32/rvd/s_lrint.c new file mode 100644 index 0000000000..4d5bdbc200 --- /dev/null +++ b/sysdeps/riscv/rv32/rvd/s_lrint.c @@ -0,0 +1,31 @@ +/* lrint(). RISC-V version. + Copyright (C) 2017-2018 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..f5d9cf2e07 --- /dev/null +++ b/sysdeps/riscv/rv32/rvd/s_lround.c @@ -0,0 +1,31 @@ +/* lround(). RISC-V version. + Copyright (C) 2017-2018 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..08d44fa738 --- /dev/null +++ b/sysdeps/riscv/rv32/rvf/s_lrintf.c @@ -0,0 +1,31 @@ +/* lrintf(). RISC-V version. + Copyright (C) 2017-2018 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..f31b432936 --- /dev/null +++ b/sysdeps/riscv/rv32/rvf/s_lroundf.c @@ -0,0 +1,31 @@ +/* lroundf(). RISC-V version. + Copyright (C) 2017-2018 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)