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RISC-V: Add fabs[f], fmax[f] and fmin[f].

This commit is contained in:
Kito Cheng 2020-10-27 14:19:57 +08:00 committed by Corinna Vinschen
parent 17b7dfc0b5
commit b5f03509d1
8 changed files with 345 additions and 3 deletions
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4
newlib/libm/machine/riscv/Makefile.am
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@ -7,7 +7,9 @@ LIB_SOURCES = \
feclearexcept.c fe_dfl_env.c fegetenv.c fegetexceptflag.c \
fegetround.c feholdexcept.c feraiseexcept.c fesetenv.c \
fesetexceptflag.c fesetround.c fetestexcept.c feupdateenv.c \
s_fma.c e_sqrt.c sf_fma.c ef_sqrt.c
s_fma.c e_sqrt.c sf_fma.c ef_sqrt.c \
s_fmax.c s_fmin.c sf_fmax.c sf_fmin.c \
s_fabs.c sf_fabs.c
noinst_LIBRARIES = lib.a
lib_a_SOURCES = $(LIB_SOURCES)

45
newlib/libm/machine/riscv/Makefile.in
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@ -78,7 +78,10 @@ am__objects_1 = lib_a-feclearexcept.$(OBJEXT) \
lib_a-fesetround.$(OBJEXT) lib_a-fetestexcept.$(OBJEXT) \
lib_a-feupdateenv.$(OBJEXT) lib_a-s_fma.$(OBJEXT) \
lib_a-e_sqrt.$(OBJEXT) lib_a-sf_fma.$(OBJEXT) \
lib_a-ef_sqrt.$(OBJEXT)
lib_a-ef_sqrt.$(OBJEXT) lib_a-s_fmax.$(OBJEXT) \
lib_a-s_fmin.$(OBJEXT) lib_a-sf_fmax.$(OBJEXT) \
lib_a-sf_fmin.$(OBJEXT) lib_a-s_fabs.$(OBJEXT) \
lib_a-sf_fabs.$(OBJEXT)
am_lib_a_OBJECTS = $(am__objects_1)
lib_a_OBJECTS = $(am_lib_a_OBJECTS)
DEFAULT_INCLUDES = -I.@am__isrc@
@ -207,7 +210,9 @@ LIB_SOURCES = \
feclearexcept.c fe_dfl_env.c fegetenv.c fegetexceptflag.c \
fegetround.c feholdexcept.c feraiseexcept.c fesetenv.c \
fesetexceptflag.c fesetround.c fetestexcept.c feupdateenv.c \
s_fma.c e_sqrt.c sf_fma.c ef_sqrt.c
s_fma.c e_sqrt.c sf_fma.c ef_sqrt.c \
s_fmax.c s_fmin.c sf_fmax.c sf_fmin.c \
s_fabs.c sf_fabs.c
noinst_LIBRARIES = lib.a
lib_a_SOURCES = $(LIB_SOURCES)
@ -381,6 +386,42 @@ lib_a-ef_sqrt.o: ef_sqrt.c
lib_a-ef_sqrt.obj: ef_sqrt.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-ef_sqrt.obj `if test -f 'ef_sqrt.c'; then $(CYGPATH_W) 'ef_sqrt.c'; else $(CYGPATH_W) '$(srcdir)/ef_sqrt.c'; fi`
lib_a-s_fmax.o: s_fmax.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_fmax.o `test -f 's_fmax.c' || echo '$(srcdir)/'`s_fmax.c
lib_a-s_fmax.obj: s_fmax.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_fmax.obj `if test -f 's_fmax.c'; then $(CYGPATH_W) 's_fmax.c'; else $(CYGPATH_W) '$(srcdir)/s_fmax.c'; fi`
lib_a-s_fmin.o: s_fmin.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_fmin.o `test -f 's_fmin.c' || echo '$(srcdir)/'`s_fmin.c
lib_a-s_fmin.obj: s_fmin.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_fmin.obj `if test -f 's_fmin.c'; then $(CYGPATH_W) 's_fmin.c'; else $(CYGPATH_W) '$(srcdir)/s_fmin.c'; fi`
lib_a-sf_fmax.o: sf_fmax.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_fmax.o `test -f 'sf_fmax.c' || echo '$(srcdir)/'`sf_fmax.c
lib_a-sf_fmax.obj: sf_fmax.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_fmax.obj `if test -f 'sf_fmax.c'; then $(CYGPATH_W) 'sf_fmax.c'; else $(CYGPATH_W) '$(srcdir)/sf_fmax.c'; fi`
lib_a-sf_fmin.o: sf_fmin.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_fmin.o `test -f 'sf_fmin.c' || echo '$(srcdir)/'`sf_fmin.c
lib_a-sf_fmin.obj: sf_fmin.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_fmin.obj `if test -f 'sf_fmin.c'; then $(CYGPATH_W) 'sf_fmin.c'; else $(CYGPATH_W) '$(srcdir)/sf_fmin.c'; fi`
lib_a-s_fabs.o: s_fabs.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_fabs.o `test -f 's_fabs.c' || echo '$(srcdir)/'`s_fabs.c
lib_a-s_fabs.obj: s_fabs.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_fabs.obj `if test -f 's_fabs.c'; then $(CYGPATH_W) 's_fabs.c'; else $(CYGPATH_W) '$(srcdir)/s_fabs.c'; fi`
lib_a-sf_fabs.o: sf_fabs.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_fabs.o `test -f 'sf_fabs.c' || echo '$(srcdir)/'`sf_fabs.c
lib_a-sf_fabs.obj: sf_fabs.c
$(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`
ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
unique=`for i in $$list; do \

50
newlib/libm/machine/riscv/s_fabs.c Normal file
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@ -0,0 +1,50 @@
/*
* 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>
#if defined(__riscv_flen) && __riscv_flen >= 64
double
fabs (double x)
{
double result;
asm ("fabs.d\t%0, %1" : "=f"(result) : "f"(x));
return result;
}
#else
#include "../../math/s_fabs.c"
#endif

49
newlib/libm/machine/riscv/s_fmax.c Normal file
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@ -0,0 +1,49 @@
/*
* 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>
#if defined(__riscv_flen) && __riscv_flen >= 64
double
fmax (double x, double y)
{
double result;
asm ("fmax.d\t%0, %1, %2" : "=f" (result) : "f" (x), "f" (y));
return result;
}
#else
#include "../../common/s_fmax.c"
#endif

50
newlib/libm/machine/riscv/s_fmin.c Normal file
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@ -0,0 +1,50 @@
/*
* 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>
#if defined(__riscv_flen) && __riscv_flen >= 64
double
fmin (double x, double y)
{
double result;
asm ("fmin.d\t%0, %1, %2" : "=f" (result) : "f" (x), "f" (y));
return result;
}
#else
#include "../../common/s_fmin.c"
#endif

50
newlib/libm/machine/riscv/sf_fabs.c Normal file
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@ -0,0 +1,50 @@
/*
* 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>
#if defined(__riscv_flen) && __riscv_flen >= 32
float
fabsf (float x)
{
float result;
asm ("fabs.s\t%0, %1" : "=f"(result) : "f"(x));
return result;
}
#else
#include "../../math/sf_fabs.c"
#endif

50
newlib/libm/machine/riscv/sf_fmax.c Normal file
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@ -0,0 +1,50 @@
/*
* 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>
#if defined(__riscv_flen) && __riscv_flen >= 32
float
fmaxf (float x, float y)
{
float result;
asm ("fmax.s\t%0, %1, %2" : "=f" (result) : "f" (x), "f" (y));
return result;
}
#else
#include "../../common/sf_fmax.c"
#endif

50
newlib/libm/machine/riscv/sf_fmin.c Normal file
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@ -0,0 +1,50 @@
/*
* 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>
#if defined(__riscv_flen) && __riscv_flen >= 32
float
fminf (float x, float y)
{
float result;
asm ("fmin.s\t%0, %1, %2" : "=f" (result) : "f" (x), "f" (y));
return result;
}
#else
#include "../../common/sf_fmin.c"
#endif