RISC-V: Implment finite and fpclassify
This commit is contained in:
Kito Cheng
Corinna Vinschen
parent
b5f03509d1
commit
b847c83294
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@ -9,7 +9,8 @@ LIB_SOURCES = \
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fesetexceptflag.c fesetround.c fetestexcept.c feupdateenv.c \
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s_fma.c e_sqrt.c sf_fma.c ef_sqrt.c \
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s_fmax.c s_fmin.c sf_fmax.c sf_fmin.c \
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s_fabs.c sf_fabs.c
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s_fabs.c sf_fabs.c \
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s_fpclassify.c sf_fpclassify.c
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noinst_LIBRARIES = lib.a
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lib_a_SOURCES = $(LIB_SOURCES)
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@ -81,7 +81,8 @@ am__objects_1 = lib_a-feclearexcept.$(OBJEXT) \
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lib_a-ef_sqrt.$(OBJEXT) lib_a-s_fmax.$(OBJEXT) \
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lib_a-s_fmin.$(OBJEXT) lib_a-sf_fmax.$(OBJEXT) \
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lib_a-sf_fmin.$(OBJEXT) lib_a-s_fabs.$(OBJEXT) \
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lib_a-sf_fabs.$(OBJEXT)
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lib_a-sf_fabs.$(OBJEXT) lib_a-s_fpclassify.$(OBJEXT) \
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lib_a-sf_fpclassify.$(OBJEXT)
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am_lib_a_OBJECTS = $(am__objects_1)
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lib_a_OBJECTS = $(am_lib_a_OBJECTS)
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DEFAULT_INCLUDES = -I.@am__isrc@
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@ -212,7 +213,8 @@ LIB_SOURCES = \
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fesetexceptflag.c fesetround.c fetestexcept.c feupdateenv.c \
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s_fma.c e_sqrt.c sf_fma.c ef_sqrt.c \
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s_fmax.c s_fmin.c sf_fmax.c sf_fmin.c \
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s_fabs.c sf_fabs.c
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s_fabs.c sf_fabs.c \
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s_fpclassify.c sf_fpclassify.c
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noinst_LIBRARIES = lib.a
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lib_a_SOURCES = $(LIB_SOURCES)
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@ -422,6 +424,18 @@ lib_a-sf_fabs.o: sf_fabs.c
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lib_a-sf_fabs.obj: sf_fabs.c
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$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_fabs.obj `if test -f 'sf_fabs.c'; then $(CYGPATH_W) 'sf_fabs.c'; else $(CYGPATH_W) '$(srcdir)/sf_fabs.c'; fi`
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lib_a-s_fpclassify.o: s_fpclassify.c
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$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_fpclassify.o `test -f 's_fpclassify.c' || echo '$(srcdir)/'`s_fpclassify.c
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lib_a-s_fpclassify.obj: s_fpclassify.c
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$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_fpclassify.obj `if test -f 's_fpclassify.c'; then $(CYGPATH_W) 's_fpclassify.c'; else $(CYGPATH_W) '$(srcdir)/s_fpclassify.c'; fi`
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lib_a-sf_fpclassify.o: sf_fpclassify.c
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$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_fpclassify.o `test -f 'sf_fpclassify.c' || echo '$(srcdir)/'`sf_fpclassify.c
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lib_a-sf_fpclassify.obj: sf_fpclassify.c
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$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_fpclassify.obj `if test -f 'sf_fpclassify.c'; then $(CYGPATH_W) 'sf_fpclassify.c'; else $(CYGPATH_W) '$(srcdir)/sf_fpclassify.c'; fi`
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ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
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list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
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unique=`for i in $$list; do \
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@ -0,0 +1,80 @@
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/*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2020 Kito Cheng
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
|
||||
* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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||||
* from this software without specific prior written permission.
|
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __RISCV_MATH_H
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#define __RISCV_MATH_H
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#ifdef __riscv_flen
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#define FCLASS_NEG_INF (1 << 0)
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#define FCLASS_NEG_NORMAL (1 << 1)
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#define FCLASS_NEG_SUBNORMAL (1 << 2)
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#define FCLASS_NEG_ZERO (1 << 3)
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#define FCLASS_POS_ZERO (1 << 4)
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#define FCLASS_POS_SUBNORMAL (1 << 5)
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#define FCLASS_POS_NORMAL (1 << 6)
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#define FCLASS_POS_INF (1 << 7)
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#define FCLASS_SNAN (1 << 8)
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#define FCLASS_QNAN (1 << 9)
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#define FCLASS_INF (FCLASS_NEG_INF | FCLASS_POS_INF)
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#define FCLASS_ZERO (FCLASS_NEG_ZERO | FCLASS_POS_ZERO)
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#define FCLASS_NORMAL (FCLASS_NEG_NORMAL | FCLASS_POS_NORMAL)
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#define FCLASS_SUBNORMAL (FCLASS_NEG_SUBNORMAL | FCLASS_POS_SUBNORMAL)
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#define FCLASS_NAN (FCLASS_SNAN | FCLASS_QNAN)
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#if __riscv_flen >= 64
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static inline long _fclass_d(double x){
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long fclass;
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__asm __volatile ("fclass.d\t%0, %1" : "=r" (fclass) : "f" (x));
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return fclass;
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}
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#endif
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#if __riscv_flen >= 32
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static inline long _fclass_f(float x){
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long fclass;
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__asm __volatile ("fclass.s\t%0, %1" : "=r" (fclass) : "f" (x));
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return fclass;
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}
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#endif
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#endif /* __riscv_flen */
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#endif /* __RISCV_MATH_H */
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@ -0,0 +1,51 @@
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/*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2020 Kito Cheng
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above
|
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* copyright notice, this list of conditions and the following
|
||||
* disclaimer in the documentation and/or other materials provided
|
||||
* with the distribution.
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||||
*
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* 3. Neither the name of the copyright holder nor the names of its
|
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* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
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||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* finite(x) returns 1 is x is finite, else 0;
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*/
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#include <math.h>
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#if defined(__riscv_flen) && __riscv_flen >= 64
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#include "riscv_math.h"
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int finite(double x)
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{
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long fclass = _fclass_d (x);
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return (fclass & FCLASS_INF) == 0;
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}
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#else
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#include "../../common/s_finite.c"
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#endif
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@ -0,0 +1,60 @@
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/*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2020 Kito Cheng
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
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||||
*
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* 2. Redistributions in binary form must reproduce the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer in the documentation and/or other materials provided
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||||
* with the distribution.
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||||
*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <math.h>
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#if defined(__riscv_flen) && __riscv_flen >= 64
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#include "riscv_math.h"
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int
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__fpclassifyd (double x)
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{
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long fclass = _fclass_d (x);
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if (fclass & FCLASS_ZERO)
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return FP_ZERO;
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else if (fclass & FCLASS_NORMAL)
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return FP_NORMAL;
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else if (fclass & FCLASS_SUBNORMAL)
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return FP_SUBNORMAL;
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else if (fclass & FCLASS_INF)
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return FP_INFINITE;
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else
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return FP_NAN;
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}
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#else
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#include "../../common/s_fpclassify.c"
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#endif
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@ -0,0 +1,52 @@
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/*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2020 Kito Cheng
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer in the documentation and/or other materials provided
|
||||
* with the distribution.
|
||||
*
|
||||
* 3. Neither the name of the copyright holder nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
||||
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <math.h>
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#include <ieeefp.h>
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#if defined(__riscv_flen) && __riscv_flen >= 64
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#include "riscv_math.h"
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#undef isinf
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int
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isinf (double x)
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{
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long fclass = _fclass_d (x);
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return (fclass & FCLASS_INF);
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}
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#else
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#include "../../common/sf_isinf.c"
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#endif
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@ -0,0 +1,48 @@
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/*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2020 Kito Cheng
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*
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* Redistribution and use in source and binary forms, with or without
|
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* modification, are permitted provided that the following conditions
|
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* are met:
|
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*
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||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer in the documentation and/or other materials provided
|
||||
* with the distribution.
|
||||
*
|
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* 3. Neither the name of the copyright holder nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
||||
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
||||
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
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* OF THE POSSIBILITY OF SUCH DAMAGE.
|
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*/
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#include <math.h>
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#if defined(__riscv_flen) && __riscv_flen >= 32
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#include "riscv_math.h"
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int finitef(float x)
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{
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long fclass = _fclass_f (x);
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return (fclass & FCLASS_INF) == 0;
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}
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#else
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#include "../../common/sf_finite.c"
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#endif
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@ -0,0 +1,60 @@
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/*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2020 Kito Cheng
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*
|
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* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer in the documentation and/or other materials provided
|
||||
* with the distribution.
|
||||
*
|
||||
* 3. Neither the name of the copyright holder nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
||||
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
||||
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
||||
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
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*/
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#include <math.h>
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#if defined(__riscv_flen) && __riscv_flen >= 32
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#include "riscv_math.h"
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int
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__fpclassifyf (float x)
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{
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long fclass = _fclass_f (x);
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if (fclass & FCLASS_ZERO)
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return FP_ZERO;
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else if (fclass & FCLASS_NORMAL)
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return FP_NORMAL;
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else if (fclass & FCLASS_SUBNORMAL)
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return FP_SUBNORMAL;
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else if (fclass & FCLASS_INF)
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return FP_INFINITE;
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else
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return FP_NAN;
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}
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#else
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#include "../../common/sf_fpclassify.c"
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#endif
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@ -0,0 +1,52 @@
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/*
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* SPDX-License-Identifier: BSD-3-Clause
|
||||
*
|
||||
* Copyright (c) 2020 Kito Cheng
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer in the documentation and/or other materials provided
|
||||
* with the distribution.
|
||||
*
|
||||
* 3. Neither the name of the copyright holder nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
||||
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
||||
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
||||
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <math.h>
|
||||
#include <ieeefp.h>
|
||||
|
||||
#if defined(__riscv_flen) && __riscv_flen >= 32
|
||||
|
||||
#include "riscv_math.h"
|
||||
#undef isinff
|
||||
|
||||
int
|
||||
isinff (float x)
|
||||
{
|
||||
long fclass = _fclass_f (x);
|
||||
return (fclass & FCLASS_INF);
|
||||
}
|
||||
#else
|
||||
#include "../../common/sf_isinf.c"
|
||||
#endif
|
||||
Loading…
Reference in New Issue