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RISC-V: Add machine-specific implementation for lrint[f], lround[f], llrint[f] and llround[f].

This commit is contained in:
Kito Cheng 2020-11-18 11:35:43 +08:00 committed by Corinna Vinschen
parent 5cf5a2e4c0
commit 57635f8581
10 changed files with 503 additions and 3 deletions
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6
newlib/libm/machine/riscv/Makefile.am
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@ -14,7 +14,11 @@ LIB_SOURCES = \
s_finite.c sf_finite.c \
s_isinf.c sf_isinf.c \
s_isnan.c sf_isnan.c \
s_copysign.c sf_copysign.c
s_copysign.c sf_copysign.c \
s_lrint.c sf_lrint.c \
s_lround.c sf_lround.c \
s_llrint.c sf_llrint.c \
s_llround.c sf_llround.c
noinst_LIBRARIES = lib.a
lib_a_SOURCES = $(LIB_SOURCES)

60
newlib/libm/machine/riscv/Makefile.in
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@ -86,7 +86,11 @@ am__objects_1 = lib_a-feclearexcept.$(OBJEXT) \
lib_a-sf_finite.$(OBJEXT) lib_a-s_isinf.$(OBJEXT) \
lib_a-sf_isinf.$(OBJEXT) lib_a-s_isnan.$(OBJEXT) \
lib_a-sf_isnan.$(OBJEXT) lib_a-s_copysign.$(OBJEXT) \
lib_a-sf_copysign.$(OBJEXT)
lib_a-sf_copysign.$(OBJEXT) lib_a-s_lrint.$(OBJEXT) \
lib_a-sf_lrint.$(OBJEXT) lib_a-s_lround.$(OBJEXT) \
lib_a-sf_lround.$(OBJEXT) lib_a-s_llrint.$(OBJEXT) \
lib_a-sf_llrint.$(OBJEXT) lib_a-s_llround.$(OBJEXT) \
lib_a-sf_llround.$(OBJEXT)
am_lib_a_OBJECTS = $(am__objects_1)
lib_a_OBJECTS = $(am_lib_a_OBJECTS)
DEFAULT_INCLUDES = -I.@am__isrc@
@ -222,7 +226,11 @@ LIB_SOURCES = \
s_finite.c sf_finite.c \
s_isinf.c sf_isinf.c \
s_isnan.c sf_isnan.c \
s_copysign.c sf_copysign.c
s_copysign.c sf_copysign.c \
s_lrint.c sf_lrint.c \
s_lround.c sf_lround.c \
s_llrint.c sf_llrint.c \
s_llround.c sf_llround.c
noinst_LIBRARIES = lib.a
lib_a_SOURCES = $(LIB_SOURCES)
@ -492,6 +500,54 @@ lib_a-sf_copysign.o: sf_copysign.c
lib_a-sf_copysign.obj: sf_copysign.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_copysign.obj `if test -f 'sf_copysign.c'; then $(CYGPATH_W) 'sf_copysign.c'; else $(CYGPATH_W) '$(srcdir)/sf_copysign.c'; fi`
lib_a-s_lrint.o: s_lrint.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_lrint.o `test -f 's_lrint.c' || echo '$(srcdir)/'`s_lrint.c
lib_a-s_lrint.obj: s_lrint.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_lrint.obj `if test -f 's_lrint.c'; then $(CYGPATH_W) 's_lrint.c'; else $(CYGPATH_W) '$(srcdir)/s_lrint.c'; fi`
lib_a-sf_lrint.o: sf_lrint.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_lrint.o `test -f 'sf_lrint.c' || echo '$(srcdir)/'`sf_lrint.c
lib_a-sf_lrint.obj: sf_lrint.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_lrint.obj `if test -f 'sf_lrint.c'; then $(CYGPATH_W) 'sf_lrint.c'; else $(CYGPATH_W) '$(srcdir)/sf_lrint.c'; fi`
lib_a-s_lround.o: s_lround.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_lround.o `test -f 's_lround.c' || echo '$(srcdir)/'`s_lround.c
lib_a-s_lround.obj: s_lround.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_lround.obj `if test -f 's_lround.c'; then $(CYGPATH_W) 's_lround.c'; else $(CYGPATH_W) '$(srcdir)/s_lround.c'; fi`
lib_a-sf_lround.o: sf_lround.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_lround.o `test -f 'sf_lround.c' || echo '$(srcdir)/'`sf_lround.c
lib_a-sf_lround.obj: sf_lround.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_lround.obj `if test -f 'sf_lround.c'; then $(CYGPATH_W) 'sf_lround.c'; else $(CYGPATH_W) '$(srcdir)/sf_lround.c'; fi`
lib_a-s_llrint.o: s_llrint.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_llrint.o `test -f 's_llrint.c' || echo '$(srcdir)/'`s_llrint.c
lib_a-s_llrint.obj: s_llrint.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_llrint.obj `if test -f 's_llrint.c'; then $(CYGPATH_W) 's_llrint.c'; else $(CYGPATH_W) '$(srcdir)/s_llrint.c'; fi`
lib_a-sf_llrint.o: sf_llrint.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_llrint.o `test -f 'sf_llrint.c' || echo '$(srcdir)/'`sf_llrint.c
lib_a-sf_llrint.obj: sf_llrint.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_llrint.obj `if test -f 'sf_llrint.c'; then $(CYGPATH_W) 'sf_llrint.c'; else $(CYGPATH_W) '$(srcdir)/sf_llrint.c'; fi`
lib_a-s_llround.o: s_llround.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_llround.o `test -f 's_llround.c' || echo '$(srcdir)/'`s_llround.c
lib_a-s_llround.obj: s_llround.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_llround.obj `if test -f 's_llround.c'; then $(CYGPATH_W) 's_llround.c'; else $(CYGPATH_W) '$(srcdir)/s_llround.c'; fi`
lib_a-sf_llround.o: sf_llround.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_llround.o `test -f 'sf_llround.c' || echo '$(srcdir)/'`sf_llround.c
lib_a-sf_llround.obj: sf_llround.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_llround.obj `if test -f 'sf_llround.c'; then $(CYGPATH_W) 'sf_llround.c'; else $(CYGPATH_W) '$(srcdir)/sf_llround.c'; fi`
ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
unique=`for i in $$list; do \

54
newlib/libm/machine/riscv/s_llrint.c Normal file
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@ -0,0 +1,54 @@
/*
* 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 && __riscv_xlen >= 64
long long int
llrint (double x)
{
long long result;
asm (
#if __riscv_xlen == 64
"fcvt.l.d"
#else
#error Unsupported XLEN
#endif
"\t%0, %1" : "=r"(result) : "f"(x));
return result;
}
#else
#include "../../common/s_llrint.c"
#endif

54
newlib/libm/machine/riscv/s_llround.c Normal file
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@ -0,0 +1,54 @@
/*
* 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 && __riscv_xlen >= 64
long long int
llround(double x)
{
long long result;
asm (
#if __riscv_xlen == 64
"fcvt.l.d"
#else
#error Unsupported XLEN
#endif
"\t%0, %1, rmm" : "=r"(result) : "f"(x));
return result;
}
#else
#include "../../common/s_llround.c"
#endif

56
newlib/libm/machine/riscv/s_lrint.c Normal file
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@ -0,0 +1,56 @@
/*
* 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
long int
lrint (double x)
{
long result;
asm (
#if __riscv_xlen == 32
"fcvt.w.d"
#elif __riscv_xlen == 64
"fcvt.l.d"
#else
#error Unsupported XLEN
#endif
"\t%0, %1" : "=r"(result) : "f"(x));
return result;
}
#else
#include "../../common/s_lrint.c"
#endif

56
newlib/libm/machine/riscv/s_lround.c Normal file
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@ -0,0 +1,56 @@
/*
* 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
long int
lround (double x)
{
long result;
asm (
#if __riscv_xlen == 32
"fcvt.w.d"
#elif __riscv_xlen == 64
"fcvt.l.d"
#else
#error Unsupported XLEN
#endif
"\t%0, %1, rmm" : "=r"(result) : "f"(x));
return result;
}
#else
#include "../../common/s_lround.c"
#endif

54
newlib/libm/machine/riscv/sf_llrint.c Normal file
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@ -0,0 +1,54 @@
/*
* 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 && __riscv_xlen >= 64
long long int
llrintf (float x)
{
long long result;
asm (
#if __riscv_xlen == 64
"fcvt.l.s"
#else
#error Unsupported XLEN
#endif
"\t%0, %1" : "=r"(result) : "f"(x));
return result;
}
#else
#include "../../common/sf_llrint.c"
#endif

54
newlib/libm/machine/riscv/sf_llround.c Normal file
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@ -0,0 +1,54 @@
/*
* 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 && __riscv_xlen >= 64
long long int
llroundf (float x)
{
long long result;
asm (
#if __riscv_xlen == 64
"fcvt.l.s"
#else
#error Unsupported XLEN
#endif
"\t%0, %1, rmm" : "=r"(result) : "f"(x));
return result;
}
#else
#include "../../common/sf_llround.c"
#endif

56
newlib/libm/machine/riscv/sf_lrint.c Normal file
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@ -0,0 +1,56 @@
/*
* 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
long int
lrintf (float x)
{
long result;
asm (
#if __riscv_xlen == 32
"fcvt.w.s"
#elif __riscv_xlen == 64
"fcvt.l.s"
#else
#error Unsupported XLEN
#endif
"\t%0, %1" : "=r"(result) : "f"(x));
return result;
}
#else
#include "../../common/sf_lrint.c"
#endif

56
newlib/libm/machine/riscv/sf_lround.c Normal file
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@ -0,0 +1,56 @@
/*
* 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
long int
lroundf(float x)
{
long result;
asm (
#if __riscv_xlen == 32
"fcvt.w.s"
#elif __riscv_xlen == 64
"fcvt.l.s"
#else
#error Unsupported XLEN
#endif
"\t%0, %1, rmm" : "=r"(result) : "f"(x));
return result;
}
#else
#include "../../common/sf_lround.c"
#endif