/* Compiler can inline fma as a single instruction. */
#ifndef HAVE_FAST_FMA
-# if __aarch64__ || (__ARM_FEATURE_FMA && (__ARM_FP & 8))
+# if __aarch64__ || (__ARM_FEATURE_FMA && (__ARM_FP & 8)) || __riscv_flen >= 64
# define HAVE_FAST_FMA 1
# else
# define HAVE_FAST_FMA 0
#endif
#ifndef HAVE_FAST_FMAF
-# if HAVE_FAST_FMA || (__ARM_FEATURE_FMA && (__ARM_FP & 4))
+# if HAVE_FAST_FMA || (__ARM_FEATURE_FMA && (__ARM_FP & 4)) || __riscv_flen >= 32
# define HAVE_FAST_FMAF 1
# else
# define HAVE_FAST_FMAF 0
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
+ fesetexceptflag.c fesetround.c fetestexcept.c feupdateenv.c \
+ s_fma.c s_sqrt.c sf_fma.c sf_sqrt.c
noinst_LIBRARIES = lib.a
lib_a_SOURCES = $(LIB_SOURCES)
lib_a-feholdexcept.$(OBJEXT) lib_a-feraiseexcept.$(OBJEXT) \
lib_a-fesetenv.$(OBJEXT) lib_a-fesetexceptflag.$(OBJEXT) \
lib_a-fesetround.$(OBJEXT) lib_a-fetestexcept.$(OBJEXT) \
- lib_a-feupdateenv.$(OBJEXT)
+ lib_a-feupdateenv.$(OBJEXT) lib_a-s_fma.$(OBJEXT) \
+ lib_a-s_sqrt.$(OBJEXT) lib_a-sf_fma.$(OBJEXT) \
+ lib_a-sf_sqrt.$(OBJEXT)
am_lib_a_OBJECTS = $(am__objects_1)
lib_a_OBJECTS = $(am_lib_a_OBJECTS)
DEFAULT_INCLUDES = -I.@am__isrc@
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
+ fesetexceptflag.c fesetround.c fetestexcept.c feupdateenv.c \
+ s_fma.c s_sqrt.c sf_fma.c sf_sqrt.c
noinst_LIBRARIES = lib.a
lib_a_SOURCES = $(LIB_SOURCES)
lib_a-feupdateenv.obj: feupdateenv.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feupdateenv.obj `if test -f 'feupdateenv.c'; then $(CYGPATH_W) 'feupdateenv.c'; else $(CYGPATH_W) '$(srcdir)/feupdateenv.c'; fi`
+lib_a-s_fma.o: s_fma.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_fma.o `test -f 's_fma.c' || echo '$(srcdir)/'`s_fma.c
+
+lib_a-s_fma.obj: s_fma.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_fma.obj `if test -f 's_fma.c'; then $(CYGPATH_W) 's_fma.c'; else $(CYGPATH_W) '$(srcdir)/s_fma.c'; fi`
+
+lib_a-s_sqrt.o: s_sqrt.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_sqrt.o `test -f 's_sqrt.c' || echo '$(srcdir)/'`s_sqrt.c
+
+lib_a-s_sqrt.obj: s_sqrt.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_sqrt.obj `if test -f 's_sqrt.c'; then $(CYGPATH_W) 's_sqrt.c'; else $(CYGPATH_W) '$(srcdir)/s_sqrt.c'; fi`
+
+lib_a-sf_fma.o: sf_fma.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_fma.o `test -f 'sf_fma.c' || echo '$(srcdir)/'`sf_fma.c
+
+lib_a-sf_fma.obj: sf_fma.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_fma.obj `if test -f 'sf_fma.c'; then $(CYGPATH_W) 'sf_fma.c'; else $(CYGPATH_W) '$(srcdir)/sf_fma.c'; fi`
+
+lib_a-sf_sqrt.o: sf_sqrt.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_sqrt.o `test -f 'sf_sqrt.c' || echo '$(srcdir)/'`sf_sqrt.c
+
+lib_a-sf_sqrt.obj: sf_sqrt.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_sqrt.obj `if test -f 'sf_sqrt.c'; then $(CYGPATH_W) 'sf_sqrt.c'; else $(CYGPATH_W) '$(srcdir)/sf_sqrt.c'; fi`
+
ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
unique=`for i in $$list; do \
--- /dev/null
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright © 2020 Keith Packard
+ *
+ * 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 "math_config.h"
+
+#if HAVE_FAST_FMA
+
+double
+fma (double x, double y, double z)
+{
+ double result;
+ asm ("fmadd.d %0, %1, %2, %3" : "=f" (result) : "f" (x), "f" (y), "f" (z));
+ return result;
+}
+
+#endif
--- /dev/null
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright © 2020 Keith Packard
+ *
+ * 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 "math_config.h"
+
+#if defined(__riscv_fsqrt) && __riscv_flen >= 64
+
+double
+__ieee754_sqrt (double x)
+{
+ double result;
+ asm ("fsqrt.d %0, %1" : "=f" (result) : "f" (x));
+ return result;
+}
+
+#if defined(_IEEE_LIBM) && defined(HAVE_ALIAS_ATTRIBUTE)
+__strong_reference(__ieee754_sqrt, sqrt);
+#endif
+
+#endif
--- /dev/null
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright © 2020 Keith Packard
+ *
+ * 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 "math_config.h"
+
+#if HAVE_FAST_FMAF
+
+float
+fmaf (float x, float y, float z)
+{
+ float result;
+ asm ("fmadd.s %0, %1, %2, %3" : "=f" (result) : "f" (x), "f" (y), "f" (z));
+ return result;
+}
+
+#endif
--- /dev/null
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright © 2020 Keith Packard
+ *
+ * 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 "math_config.h"
+
+#if defined(__riscv_fsqrt) && __riscv_flen >= 32
+
+float
+__ieee754_sqrtf (float x)
+{
+ float result;
+ asm ("fsqrt.s %0, %1" : "=f" (result) : "f" (x));
+ return result;
+}
+
+#if defined(_IEEE_LIBM) && defined(HAVE_ALIAS_ATTRIBUTE)
+__strong_reference(__ieee754_sqrtf, sqrtf);
+#endif
+
+#endif