aboutsummaryrefslogtreecommitdiff
path: root/newlib
diff options
context:
space:
mode:
authorEshan dhawan via Newlib <newlib@sourceware.org>2020-06-28 01:01:29 +0530
committerCorinna Vinschen <corinna@vinschen.de>2020-07-02 12:12:39 +0200
commitfd5e27d362e9e8582dd4c85e52c50742c518345d (patch)
tree6912300f6bf6a7adf49599f6b8d39da747851d70 /newlib
parent70cd4cbe651388897539fe38d2610e9bb733c5a8 (diff)
downloadnewlib-fd5e27d362e9e8582dd4c85e52c50742c518345d.zip
newlib-fd5e27d362e9e8582dd4c85e52c50742c518345d.tar.gz
newlib-fd5e27d362e9e8582dd4c85e52c50742c518345d.tar.bz2
fenv aarch64 support
Signed-off-by: Eshan dhawan <eshandhawan51@gmail.com>
Diffstat (limited to 'newlib')
-rw-r--r--newlib/libc/machine/aarch64/machine/fenv-fp.h156
-rw-r--r--newlib/libc/machine/aarch64/sys/fenv.h120
-rw-r--r--newlib/libm/machine/aarch64/Makefile.am14
-rw-r--r--newlib/libm/machine/aarch64/Makefile.in94
-rw-r--r--newlib/libm/machine/aarch64/feclearexcept.c7
-rw-r--r--newlib/libm/machine/aarch64/fegetenv.c7
-rw-r--r--newlib/libm/machine/aarch64/fegetexceptflag.c7
-rw-r--r--newlib/libm/machine/aarch64/fegetround.c7
-rw-r--r--newlib/libm/machine/aarch64/feholdexcept.c7
-rw-r--r--newlib/libm/machine/aarch64/fenv.c57
-rw-r--r--newlib/libm/machine/aarch64/feraiseexcept.c7
-rw-r--r--newlib/libm/machine/aarch64/fesetenv.c7
-rw-r--r--newlib/libm/machine/aarch64/fesetexceptflag.c7
-rw-r--r--newlib/libm/machine/aarch64/fesetround.c7
-rw-r--r--newlib/libm/machine/aarch64/fetestexcept.c7
-rw-r--r--newlib/libm/machine/aarch64/feupdateenv.c7
16 files changed, 515 insertions, 3 deletions
diff --git a/newlib/libc/machine/aarch64/machine/fenv-fp.h b/newlib/libc/machine/aarch64/machine/fenv-fp.h
new file mode 100644
index 0000000..d8ec3fc
--- /dev/null
+++ b/newlib/libc/machine/aarch64/machine/fenv-fp.h
@@ -0,0 +1,156 @@
+/*-
+ * Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+
+__fenv_static __inline int
+feclearexcept(int __excepts)
+{
+ fexcept_t __r;
+
+ __mrs_fpsr(__r);
+ __r &= ~__excepts;
+ __msr_fpsr(__r);
+ return (0);
+}
+
+__fenv_static inline int
+fegetexceptflag(fexcept_t *__flagp, int __excepts)
+{
+ fexcept_t __r;
+
+ __mrs_fpsr(__r);
+ *__flagp = __r & __excepts;
+ return (0);
+}
+
+__fenv_static inline int
+fesetexceptflag(const fexcept_t *__flagp, int __excepts)
+{
+ fexcept_t __r;
+
+ __mrs_fpsr(__r);
+ __r &= ~__excepts;
+ __r |= *__flagp & __excepts;
+ __msr_fpsr(__r);
+ return (0);
+}
+
+__fenv_static inline int
+feraiseexcept(int __excepts)
+{
+ fexcept_t __r;
+
+ __mrs_fpsr(__r);
+ __r |= __excepts;
+ __msr_fpsr(__r);
+ return (0);
+}
+
+__fenv_static inline int
+fetestexcept(int __excepts)
+{
+ fexcept_t __r;
+
+ __mrs_fpsr(__r);
+ return (__r & __excepts);
+}
+
+__fenv_static inline int
+fegetround(void)
+{
+ fenv_t __r;
+
+ __mrs_fpcr(__r);
+ return ((__r >> _ROUND_SHIFT) & _ROUND_MASK);
+}
+
+__fenv_static inline int
+fesetround(int __round)
+{
+ fenv_t __r;
+
+ if (__round & ~_ROUND_MASK)
+ return (-1);
+ __mrs_fpcr(__r);
+ __r &= ~(_ROUND_MASK << _ROUND_SHIFT);
+ __r |= __round << _ROUND_SHIFT;
+ __msr_fpcr(__r);
+ return (0);
+}
+
+__fenv_static inline int
+fegetenv(fenv_t *__envp)
+{
+ fenv_t __r;
+
+ __mrs_fpcr(__r);
+ *__envp = __r & _ENABLE_MASK;
+
+ __mrs_fpsr(__r);
+ *__envp |= __r & (FE_ALL_EXCEPT | (_ROUND_MASK << _ROUND_SHIFT));
+
+ return (0);
+}
+
+__fenv_static inline int
+feholdexcept(fenv_t *__envp)
+{
+ fenv_t __r;
+
+ __mrs_fpcr(__r);
+ *__envp = __r & _ENABLE_MASK;
+ __r &= ~(_ENABLE_MASK);
+ __msr_fpcr(__r);
+
+ __mrs_fpsr(__r);
+ *__envp |= __r & (FE_ALL_EXCEPT | (_ROUND_MASK << _ROUND_SHIFT));
+ __r &= ~(_ENABLE_MASK);
+ __msr_fpsr(__r);
+ return (0);
+}
+
+__fenv_static inline int
+fesetenv(const fenv_t *__envp)
+{
+
+ __msr_fpcr((*__envp) & _ENABLE_MASK);
+ __msr_fpsr((*__envp) & (FE_ALL_EXCEPT | (_ROUND_MASK << _ROUND_SHIFT)));
+ return (0);
+}
+
+__fenv_static inline int
+feupdateenv(const fenv_t *__envp)
+{
+ fexcept_t __r;
+
+ __mrs_fpsr(__r);
+ fesetenv(__envp);
+ feraiseexcept(__r & FE_ALL_EXCEPT);
+ return (0);
+}
+
diff --git a/newlib/libc/machine/aarch64/sys/fenv.h b/newlib/libc/machine/aarch64/sys/fenv.h
new file mode 100644
index 0000000..6b08792
--- /dev/null
+++ b/newlib/libc/machine/aarch64/sys/fenv.h
@@ -0,0 +1,120 @@
+/*-
+ * Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _FENV_H_
+#define _FENV_H_
+
+#include <sys/_types.h>
+
+#ifndef __fenv_static
+#define __fenv_static static
+#endif
+
+typedef __uint64_t fenv_t;
+typedef __uint64_t fexcept_t;
+
+/* Exception flags */
+#define FE_INVALID 0x00000001
+#define FE_DIVBYZERO 0x00000002
+#define FE_OVERFLOW 0x00000004
+#define FE_UNDERFLOW 0x00000008
+#define FE_INEXACT 0x00000010
+#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_INEXACT | \
+ FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW)
+
+/*
+ * Rounding modes
+ *
+ * We can't just use the hardware bit values here, because that would
+ * make FE_UPWARD and FE_DOWNWARD negative, which is not allowed.
+ */
+#define FE_TONEAREST 0x0
+#define FE_UPWARD 0x1
+#define FE_DOWNWARD 0x2
+#define FE_TOWARDZERO 0x3
+#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \
+ FE_UPWARD | FE_TOWARDZERO)
+#define _ROUND_SHIFT 22
+
+
+
+/* Default floating-point environment */
+extern const fenv_t *_fe_dfl_env;
+#define FE_DFL_ENV _fe_dfl_env
+
+/* We need to be able to map status flag positions to mask flag positions */
+#define _FPUSW_SHIFT 8
+#define _ENABLE_MASK (FE_ALL_EXCEPT << _FPUSW_SHIFT)
+
+#define __mrs_fpcr(__r) __asm __volatile("mrs %0, fpcr" : "=r" (__r))
+#define __msr_fpcr(__r) __asm __volatile("msr fpcr, %0" : : "r" (__r))
+
+#define __mrs_fpsr(__r) __asm __volatile("mrs %0, fpsr" : "=r" (__r))
+#define __msr_fpsr(__r) __asm __volatile("msr fpsr, %0" : : "r" (__r))
+
+
+#if __BSD_VISIBLE
+
+/* We currently provide no external definitions of the functions below. */
+
+static inline int
+feenableexcept(int __mask)
+{
+ fenv_t __old_r, __new_r;
+
+ __mrs_fpcr(__old_r);
+ __new_r = __old_r | ((__mask & FE_ALL_EXCEPT) << _FPUSW_SHIFT);
+ __msr_fpcr(__new_r);
+ return ((__old_r >> _FPUSW_SHIFT) & FE_ALL_EXCEPT);
+}
+
+static inline int
+fedisableexcept(int __mask)
+{
+ fenv_t __old_r, __new_r;
+
+ __mrs_fpcr(__old_r);
+ __new_r = __old_r & ~((__mask & FE_ALL_EXCEPT) << _FPUSW_SHIFT);
+ __msr_fpcr(__new_r);
+ return ((__old_r >> _FPUSW_SHIFT) & FE_ALL_EXCEPT);
+}
+
+static inline int
+fegetexcept(void)
+{
+ fenv_t __r;
+
+ __mrs_fpcr(__r);
+ return ((__r & _ENABLE_MASK) >> _FPUSW_SHIFT);
+}
+
+#endif /* __BSD_VISIBLE */
+
+
+
+#endif /* !_FENV_H_ */
diff --git a/newlib/libm/machine/aarch64/Makefile.am b/newlib/libm/machine/aarch64/Makefile.am
index 752f65d..1025bc4 100644
--- a/newlib/libm/machine/aarch64/Makefile.am
+++ b/newlib/libm/machine/aarch64/Makefile.am
@@ -35,7 +35,19 @@ LIB_SOURCES = \
sf_nearbyint.c \
sf_rint.c \
sf_round.c \
- sf_trunc.c
+ sf_trunc.c \
+ fenv.c \
+ feclearexcept.c \
+ fegetenv.c \
+ fegetexceptflag.c \
+ fegetround.c \
+ feholdexcept.c \
+ feraiseexcept.c \
+ fesetenv.c \
+ fesetexceptflag.c \
+ fesetround.c \
+ fetestexcept.c \
+ feupdateenv.c
noinst_LIBRARIES = lib.a
lib_a_SOURCES = $(LIB_SOURCES)
diff --git a/newlib/libm/machine/aarch64/Makefile.in b/newlib/libm/machine/aarch64/Makefile.in
index d31237e..8900c4b 100644
--- a/newlib/libm/machine/aarch64/Makefile.in
+++ b/newlib/libm/machine/aarch64/Makefile.in
@@ -84,7 +84,13 @@ am__objects_1 = lib_a-e_sqrt.$(OBJEXT) lib_a-ef_sqrt.$(OBJEXT) \
lib_a-sf_llrint.$(OBJEXT) lib_a-sf_llround.$(OBJEXT) \
lib_a-sf_lrint.$(OBJEXT) lib_a-sf_lround.$(OBJEXT) \
lib_a-sf_nearbyint.$(OBJEXT) lib_a-sf_rint.$(OBJEXT) \
- lib_a-sf_round.$(OBJEXT) lib_a-sf_trunc.$(OBJEXT)
+ lib_a-sf_round.$(OBJEXT) lib_a-sf_trunc.$(OBJEXT) \
+ lib_a-fenv.$(OBJEXT) lib_a-feclearexcept.$(OBJEXT) \
+ lib_a-fegetenv.$(OBJEXT) lib_a-fegetexceptflag.$(OBJEXT) \
+ lib_a-fegetround.$(OBJEXT) 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)
am_lib_a_OBJECTS = $(am__objects_1)
lib_a_OBJECTS = $(am_lib_a_OBJECTS)
DEFAULT_INCLUDES = -I.@am__isrc@
@@ -240,7 +246,19 @@ LIB_SOURCES = \
sf_nearbyint.c \
sf_rint.c \
sf_round.c \
- sf_trunc.c
+ sf_trunc.c \
+ fenv.c \
+ feclearexcept.c \
+ fegetenv.c \
+ fegetexceptflag.c \
+ fegetround.c \
+ feholdexcept.c \
+ feraiseexcept.c \
+ fesetenv.c \
+ fesetexceptflag.c \
+ fesetround.c \
+ fetestexcept.c \
+ feupdateenv.c
noinst_LIBRARIES = lib.a
lib_a_SOURCES = $(LIB_SOURCES)
@@ -498,6 +516,78 @@ lib_a-sf_trunc.o: sf_trunc.c
lib_a-sf_trunc.obj: sf_trunc.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_trunc.obj `if test -f 'sf_trunc.c'; then $(CYGPATH_W) 'sf_trunc.c'; else $(CYGPATH_W) '$(srcdir)/sf_trunc.c'; fi`
+lib_a-fenv.o: fenv.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fenv.o `test -f 'fenv.c' || echo '$(srcdir)/'`fenv.c
+
+lib_a-fenv.obj: fenv.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fenv.obj `if test -f 'fenv.c'; then $(CYGPATH_W) 'fenv.c'; else $(CYGPATH_W) '$(srcdir)/fenv.c'; fi`
+
+lib_a-feclearexcept.o: feclearexcept.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feclearexcept.o `test -f 'feclearexcept.c' || echo '$(srcdir)/'`feclearexcept.c
+
+lib_a-feclearexcept.obj: feclearexcept.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feclearexcept.obj `if test -f 'feclearexcept.c'; then $(CYGPATH_W) 'feclearexcept.c'; else $(CYGPATH_W) '$(srcdir)/feclearexcept.c'; fi`
+
+lib_a-fegetenv.o: fegetenv.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fegetenv.o `test -f 'fegetenv.c' || echo '$(srcdir)/'`fegetenv.c
+
+lib_a-fegetenv.obj: fegetenv.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fegetenv.obj `if test -f 'fegetenv.c'; then $(CYGPATH_W) 'fegetenv.c'; else $(CYGPATH_W) '$(srcdir)/fegetenv.c'; fi`
+
+lib_a-fegetexceptflag.o: fegetexceptflag.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fegetexceptflag.o `test -f 'fegetexceptflag.c' || echo '$(srcdir)/'`fegetexceptflag.c
+
+lib_a-fegetexceptflag.obj: fegetexceptflag.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fegetexceptflag.obj `if test -f 'fegetexceptflag.c'; then $(CYGPATH_W) 'fegetexceptflag.c'; else $(CYGPATH_W) '$(srcdir)/fegetexceptflag.c'; fi`
+
+lib_a-fegetround.o: fegetround.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fegetround.o `test -f 'fegetround.c' || echo '$(srcdir)/'`fegetround.c
+
+lib_a-fegetround.obj: fegetround.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fegetround.obj `if test -f 'fegetround.c'; then $(CYGPATH_W) 'fegetround.c'; else $(CYGPATH_W) '$(srcdir)/fegetround.c'; fi`
+
+lib_a-feholdexcept.o: feholdexcept.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feholdexcept.o `test -f 'feholdexcept.c' || echo '$(srcdir)/'`feholdexcept.c
+
+lib_a-feholdexcept.obj: feholdexcept.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feholdexcept.obj `if test -f 'feholdexcept.c'; then $(CYGPATH_W) 'feholdexcept.c'; else $(CYGPATH_W) '$(srcdir)/feholdexcept.c'; fi`
+
+lib_a-feraiseexcept.o: feraiseexcept.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feraiseexcept.o `test -f 'feraiseexcept.c' || echo '$(srcdir)/'`feraiseexcept.c
+
+lib_a-feraiseexcept.obj: feraiseexcept.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feraiseexcept.obj `if test -f 'feraiseexcept.c'; then $(CYGPATH_W) 'feraiseexcept.c'; else $(CYGPATH_W) '$(srcdir)/feraiseexcept.c'; fi`
+
+lib_a-fesetenv.o: fesetenv.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fesetenv.o `test -f 'fesetenv.c' || echo '$(srcdir)/'`fesetenv.c
+
+lib_a-fesetenv.obj: fesetenv.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fesetenv.obj `if test -f 'fesetenv.c'; then $(CYGPATH_W) 'fesetenv.c'; else $(CYGPATH_W) '$(srcdir)/fesetenv.c'; fi`
+
+lib_a-fesetexceptflag.o: fesetexceptflag.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fesetexceptflag.o `test -f 'fesetexceptflag.c' || echo '$(srcdir)/'`fesetexceptflag.c
+
+lib_a-fesetexceptflag.obj: fesetexceptflag.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fesetexceptflag.obj `if test -f 'fesetexceptflag.c'; then $(CYGPATH_W) 'fesetexceptflag.c'; else $(CYGPATH_W) '$(srcdir)/fesetexceptflag.c'; fi`
+
+lib_a-fesetround.o: fesetround.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fesetround.o `test -f 'fesetround.c' || echo '$(srcdir)/'`fesetround.c
+
+lib_a-fesetround.obj: fesetround.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fesetround.obj `if test -f 'fesetround.c'; then $(CYGPATH_W) 'fesetround.c'; else $(CYGPATH_W) '$(srcdir)/fesetround.c'; fi`
+
+lib_a-fetestexcept.o: fetestexcept.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fetestexcept.o `test -f 'fetestexcept.c' || echo '$(srcdir)/'`fetestexcept.c
+
+lib_a-fetestexcept.obj: fetestexcept.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-fetestexcept.obj `if test -f 'fetestexcept.c'; then $(CYGPATH_W) 'fetestexcept.c'; else $(CYGPATH_W) '$(srcdir)/fetestexcept.c'; fi`
+
+lib_a-feupdateenv.o: feupdateenv.c
+ $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feupdateenv.o `test -f 'feupdateenv.c' || echo '$(srcdir)/'`feupdateenv.c
+
+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`
+
ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
unique=`for i in $$list; do \
diff --git a/newlib/libm/machine/aarch64/feclearexcept.c b/newlib/libm/machine/aarch64/feclearexcept.c
new file mode 100644
index 0000000..8cbee77
--- /dev/null
+++ b/newlib/libm/machine/aarch64/feclearexcept.c
@@ -0,0 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * (c) Copyright 2019 Joel Sherrill <joel@rtems.org>
+ */
+
+#include "../../fenv/fenv_stub.c"
diff --git a/newlib/libm/machine/aarch64/fegetenv.c b/newlib/libm/machine/aarch64/fegetenv.c
new file mode 100644
index 0000000..8cbee77
--- /dev/null
+++ b/newlib/libm/machine/aarch64/fegetenv.c
@@ -0,0 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * (c) Copyright 2019 Joel Sherrill <joel@rtems.org>
+ */
+
+#include "../../fenv/fenv_stub.c"
diff --git a/newlib/libm/machine/aarch64/fegetexceptflag.c b/newlib/libm/machine/aarch64/fegetexceptflag.c
new file mode 100644
index 0000000..8cbee77
--- /dev/null
+++ b/newlib/libm/machine/aarch64/fegetexceptflag.c
@@ -0,0 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * (c) Copyright 2019 Joel Sherrill <joel@rtems.org>
+ */
+
+#include "../../fenv/fenv_stub.c"
diff --git a/newlib/libm/machine/aarch64/fegetround.c b/newlib/libm/machine/aarch64/fegetround.c
new file mode 100644
index 0000000..8cbee77
--- /dev/null
+++ b/newlib/libm/machine/aarch64/fegetround.c
@@ -0,0 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * (c) Copyright 2019 Joel Sherrill <joel@rtems.org>
+ */
+
+#include "../../fenv/fenv_stub.c"
diff --git a/newlib/libm/machine/aarch64/feholdexcept.c b/newlib/libm/machine/aarch64/feholdexcept.c
new file mode 100644
index 0000000..8cbee77
--- /dev/null
+++ b/newlib/libm/machine/aarch64/feholdexcept.c
@@ -0,0 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * (c) Copyright 2019 Joel Sherrill <joel@rtems.org>
+ */
+
+#include "../../fenv/fenv_stub.c"
diff --git a/newlib/libm/machine/aarch64/fenv.c b/newlib/libm/machine/aarch64/fenv.c
new file mode 100644
index 0000000..3ffe234
--- /dev/null
+++ b/newlib/libm/machine/aarch64/fenv.c
@@ -0,0 +1,57 @@
+/*-
+ * Copyright (c) 2004 David Schultz <das@FreeBSD.ORG>
+ * Copyright (c) 2013 Andrew Turner <andrew@FreeBSD.ORG>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+#define __fenv_static
+#include <fenv.h>
+#include <machine/fenv-fp.h>
+
+/*
+ * Hopefully the system ID byte is immutable, so it's valid to use
+ * this as a default environment.
+ */
+
+
+#ifdef __GNUC_GNU_INLINE__
+#error "This file must be compiled with C99 'inline' semantics"
+#endif
+
+extern inline int feclearexcept(int __excepts);
+extern inline int fegetexceptflag(fexcept_t *__flagp, int __excepts);
+extern inline int fesetexceptflag(const fexcept_t *__flagp, int __excepts);
+extern inline int feraiseexcept(int __excepts);
+extern inline int fetestexcept(int __excepts);
+extern inline int fegetround(void);
+extern inline int fesetround(int __round);
+extern inline int fegetenv(fenv_t *__envp);
+extern inline int feholdexcept(fenv_t *__envp);
+extern inline int fesetenv(const fenv_t *__envp);
+extern inline int feupdateenv(const fenv_t *__envp);
+extern inline int feenableexcept(int __mask);
+extern inline int fedisableexcept(int __mask);
+extern inline int fegetexcept(void);
diff --git a/newlib/libm/machine/aarch64/feraiseexcept.c b/newlib/libm/machine/aarch64/feraiseexcept.c
new file mode 100644
index 0000000..8cbee77
--- /dev/null
+++ b/newlib/libm/machine/aarch64/feraiseexcept.c
@@ -0,0 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * (c) Copyright 2019 Joel Sherrill <joel@rtems.org>
+ */
+
+#include "../../fenv/fenv_stub.c"
diff --git a/newlib/libm/machine/aarch64/fesetenv.c b/newlib/libm/machine/aarch64/fesetenv.c
new file mode 100644
index 0000000..8cbee77
--- /dev/null
+++ b/newlib/libm/machine/aarch64/fesetenv.c
@@ -0,0 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * (c) Copyright 2019 Joel Sherrill <joel@rtems.org>
+ */
+
+#include "../../fenv/fenv_stub.c"
diff --git a/newlib/libm/machine/aarch64/fesetexceptflag.c b/newlib/libm/machine/aarch64/fesetexceptflag.c
new file mode 100644
index 0000000..8cbee77
--- /dev/null
+++ b/newlib/libm/machine/aarch64/fesetexceptflag.c
@@ -0,0 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * (c) Copyright 2019 Joel Sherrill <joel@rtems.org>
+ */
+
+#include "../../fenv/fenv_stub.c"
diff --git a/newlib/libm/machine/aarch64/fesetround.c b/newlib/libm/machine/aarch64/fesetround.c
new file mode 100644
index 0000000..8cbee77
--- /dev/null
+++ b/newlib/libm/machine/aarch64/fesetround.c
@@ -0,0 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * (c) Copyright 2019 Joel Sherrill <joel@rtems.org>
+ */
+
+#include "../../fenv/fenv_stub.c"
diff --git a/newlib/libm/machine/aarch64/fetestexcept.c b/newlib/libm/machine/aarch64/fetestexcept.c
new file mode 100644
index 0000000..8cbee77
--- /dev/null
+++ b/newlib/libm/machine/aarch64/fetestexcept.c
@@ -0,0 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * (c) Copyright 2019 Joel Sherrill <joel@rtems.org>
+ */
+
+#include "../../fenv/fenv_stub.c"
diff --git a/newlib/libm/machine/aarch64/feupdateenv.c b/newlib/libm/machine/aarch64/feupdateenv.c
new file mode 100644
index 0000000..8cbee77
--- /dev/null
+++ b/newlib/libm/machine/aarch64/feupdateenv.c
@@ -0,0 +1,7 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * (c) Copyright 2019 Joel Sherrill <joel@rtems.org>
+ */
+
+#include "../../fenv/fenv_stub.c"