From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 7891) id 3ED7D38357BF; Mon, 14 Nov 2022 02:04:03 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 3ED7D38357BF DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1668391443; bh=+f502dy9rhghZchp1LPSjAqg3vtwzYW6GsUQvhZtGzE=; h=From:To:Subject:Date:From; b=Mn7h5NLYhffpZFwm9jvSVOOf7SweKOvFzhdFLuywx/tNuG23gFyL7MksJxRnewF17 UExHdU4wfYFVTAYIXVE3do9ytm5SVbjUryyafhQTPFY+9Im7D9MQLh264yeyXkxauz bVefl6wIoDAtXbL8eJrj/vvB6mwH0AdV4lfY7MgU= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Yinyu Cai To: glibc-cvs@sourceware.org Subject: [glibc] LoongArch: Hard Float Support for fmaximum_mag{f/ }, fminimum_mag{f/ }. X-Act-Checkin: glibc X-Git-Author: Xiaolin Tang X-Git-Refname: refs/heads/master X-Git-Oldrev: 73e35174f5673d58cb8e1bd5f34c086a7759ff20 X-Git-Newrev: a10f9fb3ff37b98f0adc5bdc0b4c32920c0c540a Message-Id: <20221114020403.3ED7D38357BF@sourceware.org> Date: Mon, 14 Nov 2022 02:04:03 +0000 (GMT) List-Id: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a10f9fb3ff37b98f0adc5bdc0b4c32920c0c540a commit a10f9fb3ff37b98f0adc5bdc0b4c32920c0c540a Author: Xiaolin Tang Date: Mon Nov 7 22:08:20 2022 +0800 LoongArch: Hard Float Support for fmaximum_mag{f/ }, fminimum_mag{f/ }. Use hardware Floating-point instruction f{maxa/mina}.{s/d}, fclass.{s/d} to implement fmaximum_mag{f/ }, fminimum_mag{f/ }. * sysdeps/loongarch/fpu/s_fmaximum_mag.c: New file. * sysdeps/loongarch/fpu/s_fmaximum_magf.c: Likewise. * sysdeps/loongarch/fpu/s_fminimum_mag.c: Likewise. * sysdeps/loongarch/fpu/s_fminimum_magf.c: Likewise. Diff: --- sysdeps/loongarch/fpu/s_fmaximum_mag.c | 40 +++++++++++++++++++++++++++++++++ sysdeps/loongarch/fpu/s_fmaximum_magf.c | 40 +++++++++++++++++++++++++++++++++ sysdeps/loongarch/fpu/s_fminimum_mag.c | 40 +++++++++++++++++++++++++++++++++ sysdeps/loongarch/fpu/s_fminimum_magf.c | 40 +++++++++++++++++++++++++++++++++ 4 files changed, 160 insertions(+) diff --git a/sysdeps/loongarch/fpu/s_fmaximum_mag.c b/sysdeps/loongarch/fpu/s_fmaximum_mag.c new file mode 100644 index 0000000000..5aed0603e6 --- /dev/null +++ b/sysdeps/loongarch/fpu/s_fmaximum_mag.c @@ -0,0 +1,40 @@ +/* fmaximum_mag(). LoongArch version. + Copyright (C) 2022 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 + . */ + +#define NO_MATH_REDIRECT +#include +#include +#include + +double +__fmaximum_mag (double x, double y) +{ + int x_cond; + int y_cond; + asm volatile ("fclass.d \t%0, %1" : "=f" (x_cond) : "f" (x)); + asm volatile ("fclass.d \t%0, %1" : "=f" (y_cond) : "f" (y)); + + if (__glibc_unlikely((x_cond | y_cond) & _FCLASS_NAN)) + return x * y; + else + { + asm volatile ("fmaxa.d \t%0, %1, %2" : "=f" (x) : "f" (x), "f" (y)); + return x; + } +} +libm_alias_double (__fmaximum_mag, fmaximum_mag) diff --git a/sysdeps/loongarch/fpu/s_fmaximum_magf.c b/sysdeps/loongarch/fpu/s_fmaximum_magf.c new file mode 100644 index 0000000000..29beb88c22 --- /dev/null +++ b/sysdeps/loongarch/fpu/s_fmaximum_magf.c @@ -0,0 +1,40 @@ +/* fmaximum_magf(). LoongArch version. + Copyright (C) 2022 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 + . */ + +#define NO_MATH_REDIRECT +#include +#include +#include + +float +__fmaximum_magf (float x, float y) +{ + int x_cond; + int y_cond; + asm volatile ("fclass.s \t%0, %1" : "=f" (x_cond) : "f" (x)); + asm volatile ("fclass.s \t%0, %1" : "=f" (y_cond) : "f" (y)); + + if (__glibc_unlikely((x_cond | y_cond) & _FCLASS_NAN)) + return x * y; + else + { + asm volatile ("fmaxa.s \t%0, %1, %2" : "=f" (x) : "f" (x), "f" (y)); + return x; + } +} +libm_alias_float (__fmaximum_mag, fmaximum_mag) diff --git a/sysdeps/loongarch/fpu/s_fminimum_mag.c b/sysdeps/loongarch/fpu/s_fminimum_mag.c new file mode 100644 index 0000000000..f477498d6e --- /dev/null +++ b/sysdeps/loongarch/fpu/s_fminimum_mag.c @@ -0,0 +1,40 @@ +/* fminimum_mag(). LoongArch version. + Copyright (C) 2022 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 + . */ + +#define NO_MATH_REDIRECT +#include +#include +#include + +double +__fminimum_mag (double x, double y) +{ + int x_cond; + int y_cond; + asm volatile ("fclass.d \t%0, %1" : "=f" (x_cond) : "f" (x)); + asm volatile ("fclass.d \t%0, %1" : "=f" (y_cond) : "f" (y)); + + if (__glibc_unlikely((x_cond | y_cond) & _FCLASS_NAN)) + return x * y; + else + { + asm volatile ("fmina.d \t%0, %1, %2" : "=f" (x) : "f" (x), "f" (y)); + return x; + } +} +libm_alias_double (__fminimum_mag, fminimum_mag) diff --git a/sysdeps/loongarch/fpu/s_fminimum_magf.c b/sysdeps/loongarch/fpu/s_fminimum_magf.c new file mode 100644 index 0000000000..d0563fc255 --- /dev/null +++ b/sysdeps/loongarch/fpu/s_fminimum_magf.c @@ -0,0 +1,40 @@ +/* fminimum_magf(). LoongArch version. + Copyright (C) 2022 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 + . */ + +#define NO_MATH_REDIRECT +#include +#include +#include + +float +__fminimum_magf (float x, float y) +{ + int x_cond; + int y_cond; + asm volatile ("fclass.s \t%0, %1" : "=f" (x_cond) : "f" (x)); + asm volatile ("fclass.s \t%0, %1" : "=f" (y_cond) : "f" (y)); + + if (__glibc_unlikely((x_cond | y_cond) & _FCLASS_NAN)) + return x * y; + else + { + asm volatile ("fmina.s \t%0, %1, %2" : "=f" (x) : "f" (x), "f" (y)); + return x; + } +} +libm_alias_float (__fminimum_mag, fminimum_mag)