* [PATCH 1/1] hard float support for PowerPC taken from FreeBSD
2020-06-02 16:41 [PATCH 0/1] Hard-float fenv support for PowerPc Eshan dhawan
@ 2020-06-02 16:41 ` Eshan dhawan
2020-06-03 9:19 ` Corinna Vinschen
2020-06-05 12:46 ` [PATCH 0/1] Hard-float fenv support for PowerPc Sebastian Huber
1 sibling, 1 reply; 7+ messages in thread
From: Eshan dhawan @ 2020-06-02 16:41 UTC (permalink / raw)
To: newlib
Signed-off-by: Eshan dhawan <eshandhawan51@gmail.com>
---
newlib/configure.host | 1 +
newlib/libc/machine/powerpc/machine/fenv-fp.h | 198 ++++++++++++++++++
newlib/libc/machine/powerpc/sys/fenv.h | 132 ++++++++++++
newlib/libm/machine/configure.in | 1 +
newlib/libm/machine/powerpc/Makefile.am | 20 ++
newlib/libm/machine/powerpc/configure.in | 11 +
newlib/libm/machine/powerpc/feclearexcept.c | 7 +
newlib/libm/machine/powerpc/fegetenv.c | 7 +
newlib/libm/machine/powerpc/fegetexceptflag.c | 7 +
newlib/libm/machine/powerpc/fegetround.c | 7 +
newlib/libm/machine/powerpc/feholdexcept.c | 7 +
newlib/libm/machine/powerpc/fenv.c | 51 +++++
newlib/libm/machine/powerpc/feraiseexcept.c | 7 +
newlib/libm/machine/powerpc/fesetenv.c | 7 +
newlib/libm/machine/powerpc/fesetexceptflag.c | 7 +
newlib/libm/machine/powerpc/fesetround.c | 7 +
newlib/libm/machine/powerpc/fetestexcept.c | 7 +
newlib/libm/machine/powerpc/feupdateenv.c | 7 +
18 files changed, 491 insertions(+)
create mode 100644 newlib/libc/machine/powerpc/machine/fenv-fp.h
create mode 100644 newlib/libc/machine/powerpc/sys/fenv.h
create mode 100644 newlib/libm/machine/powerpc/Makefile.am
create mode 100644 newlib/libm/machine/powerpc/configure.in
create mode 100644 newlib/libm/machine/powerpc/feclearexcept.c
create mode 100644 newlib/libm/machine/powerpc/fegetenv.c
create mode 100644 newlib/libm/machine/powerpc/fegetexceptflag.c
create mode 100644 newlib/libm/machine/powerpc/fegetround.c
create mode 100644 newlib/libm/machine/powerpc/feholdexcept.c
create mode 100644 newlib/libm/machine/powerpc/fenv.c
create mode 100644 newlib/libm/machine/powerpc/feraiseexcept.c
create mode 100644 newlib/libm/machine/powerpc/fesetenv.c
create mode 100644 newlib/libm/machine/powerpc/fesetexceptflag.c
create mode 100644 newlib/libm/machine/powerpc/fesetround.c
create mode 100644 newlib/libm/machine/powerpc/fetestexcept.c
create mode 100644 newlib/libm/machine/powerpc/feupdateenv.c
diff --git a/newlib/configure.host b/newlib/configure.host
index a84c0c80a..9d2166f3d 100644
--- a/newlib/configure.host
+++ b/newlib/configure.host
@@ -290,6 +290,7 @@ case "${host_cpu}" in
;;
powerpc*)
machine_dir=powerpc
+ libm_machine_dir=powerpc
;;
pru*)
newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED"
diff --git a/newlib/libc/machine/powerpc/machine/fenv-fp.h b/newlib/libc/machine/powerpc/machine/fenv-fp.h
new file mode 100644
index 000000000..7cf20218e
--- /dev/null
+++ b/newlib/libc/machine/powerpc/machine/fenv-fp.h
@@ -0,0 +1,198 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * 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)
+{
+ union __fpscr __r;
+
+ if (excepts & FE_INVALID)
+ excepts |= FE_ALL_INVALID;
+ __mffs(&__r);
+ __r.__bits.__reg &= ~excepts;
+ __mtfsf(__r);
+ return (0);
+}
+
+
+__fenv_static inline int
+fegetexceptflag(fexcept_t *flagp, int excepts)
+{
+ union __fpscr __r;
+
+ __mffs(&__r);
+ *flagp = __r.__bits.__reg & excepts;
+ return (0);
+}
+
+__fenv_static inline int
+fesetexceptflag(const fexcept_t *flagp, int excepts)
+{
+ union __fpscr __r;
+
+ if (excepts & FE_INVALID)
+ excepts |= FE_ALL_EXCEPT;
+ __mffs(&__r);
+ __r.__bits.__reg &= ~excepts;
+ __r.__bits.__reg |= *flagp & excepts;
+ __mtfsf(__r);
+ return (0);
+}
+
+__fenv_static inline int
+feraiseexcept(int excepts)
+{
+ union __fpscr __r;
+
+ if (excepts & FE_INVALID)
+ excepts |= FE_VXSOFT;
+ __mffs(&__r);
+ __r.__bits.__reg |= excepts;
+ __mtfsf(__r);
+ return (0);
+}
+
+__fenv_static inline int
+fetestexcept(int excepts)
+{
+ union __fpscr __r;
+
+ __mffs(&__r);
+ return (__r.__bits.__reg & excepts);
+}
+
+__fenv_static inline int
+fegetround(void)
+{
+ union __fpscr __r;
+
+ __mffs(&__r);
+ return (__r.__bits.__reg & _ROUND_MASK);
+}
+
+__fenv_static inline int
+fesetround(int rounding_mode)
+{
+ union __fpscr __r;
+
+ if (rounding_mode & ~_ROUND_MASK)
+ return (-1);
+ __mffs(&__r);
+ __r.__bits.__reg &= ~_ROUND_MASK;
+ __r.__bits.__reg |= rounding_mode;
+ __mtfsf(__r);
+ return (0);
+}
+
+__fenv_static inline int
+fegetenv(fenv_t *envp)
+{
+ union __fpscr __r;
+
+ __mffs(&__r);
+ *envp = __r.__bits.__reg;
+ return (0);
+}
+
+__fenv_static inline int
+feholdexcept(fenv_t *envp)
+{
+ union __fpscr __r;
+
+ __mffs(&__r);
+ *envp = __r.__bits.__reg;
+ __r.__bits.__reg &= ~(FE_ALL_EXCEPT | _ENABLE_MASK);
+ __mtfsf(__r);
+ return (0);
+}
+
+__fenv_static inline int
+fesetenv(const fenv_t *envp)
+{
+ union __fpscr __r;
+
+ __r.__bits.__reg = *envp;
+ __mtfsf(__r);
+ return (0);
+}
+
+__fenv_static inline int
+feupdateenv(const fenv_t *envp)
+{
+ union __fpscr __r;
+
+ __mffs(&__r);
+ __r.__bits.__reg &= FE_ALL_EXCEPT;
+ __r.__bits.__reg |= *envp;
+ __mtfsf(__r);
+ return (0);
+}
+
+#if __BSD_VISIBLE
+
+/* We currently provide no external definitions of the functions below. */
+
+static inline int
+feenableexcept(int __mask)
+{
+ union __fpscr __r;
+ fenv_t __oldmask;
+
+ __mffs(&__r);
+ __oldmask = __r.__bits.__reg;
+ __r.__bits.__reg |= (__mask & FE_ALL_EXCEPT) >> _FPUSW_SHIFT;
+ __mtfsf(__r);
+ return ((__oldmask & _ENABLE_MASK) << _FPUSW_SHIFT);
+}
+
+static inline int
+fedisableexcept(int __mask)
+{
+ union __fpscr __r;
+ fenv_t __oldmask;
+
+ __mffs(&__r);
+ __oldmask = __r.__bits.__reg;
+ __r.__bits.__reg &= ~((__mask & FE_ALL_EXCEPT) >> _FPUSW_SHIFT);
+ __mtfsf(__r);
+ return ((__oldmask & _ENABLE_MASK) << _FPUSW_SHIFT);
+}
+
+static inline int
+fegetexcept(void)
+{
+ union __fpscr __r;
+
+ __mffs(&__r);
+ return ((__r.__bits.__reg & _ENABLE_MASK) << _FPUSW_SHIFT);
+}
+
+#endif /* __BSD_VISIBLE */
+
diff --git a/newlib/libc/machine/powerpc/sys/fenv.h b/newlib/libc/machine/powerpc/sys/fenv.h
new file mode 100644
index 000000000..39f12bf5e
--- /dev/null
+++ b/newlib/libc/machine/powerpc/sys/fenv.h
@@ -0,0 +1,132 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * 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 _SYS_FENV_H_
+#define _SYS_FENV_H_
+
+#include <sys/_types.h>
+#include <machine/endian.h>
+
+#ifndef __fenv_static
+#define __fenv_static static
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef int fenv_t;
+typedef int fexcept_t;
+
+/* Exception flags */
+#define FE_INEXACT 0x02000000
+#define FE_DIVBYZERO 0x04000000
+#define FE_UNDERFLOW 0x08000000
+#define FE_OVERFLOW 0x10000000
+#define FE_INVALID 0x20000000 /* all types of invalid FP ops */
+
+/*
+ * The PowerPC architecture has extra invalid flags that indicate the
+ * specific type of invalid operation occurred. These flags may be
+ * tested, set, and cleared---but not masked---separately. All of
+ * these bits are cleared when FE_INVALID is cleared, but only
+ * FE_VXSOFT is set when FE_INVALID is explicitly set in software.
+ */
+#define FE_VXCVI 0x00000100 /* invalid integer convert */
+#define FE_VXSQRT 0x00000200 /* square root of a negative */
+#define FE_VXSOFT 0x00000400 /* software-requested exception */
+#define FE_VXVC 0x00080000 /* ordered comparison involving NaN */
+#define FE_VXIMZ 0x00100000 /* inf * 0 */
+#define FE_VXZDZ 0x00200000 /* 0 / 0 */
+#define FE_VXIDI 0x00400000 /* inf / inf */
+#define FE_VXISI 0x00800000 /* inf - inf */
+#define FE_VXSNAN 0x01000000 /* operation on a signalling NaN */
+#define FE_ALL_INVALID (FE_VXCVI | FE_VXSQRT | FE_VXSOFT | FE_VXVC | \
+ FE_VXIMZ | FE_VXZDZ | FE_VXIDI | FE_VXISI | \
+ FE_VXSNAN | FE_INVALID)
+#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_INEXACT | \
+ FE_ALL_INVALID | FE_OVERFLOW | FE_UNDERFLOW)
+
+/* Rounding modes */
+#define FE_TONEAREST 0x0000
+#define FE_TOWARDZERO 0x0001
+#define FE_UPWARD 0x0002
+#define FE_DOWNWARD 0x0003
+#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \
+ FE_UPWARD | FE_TOWARDZERO)
+
+
+
+/* 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 22
+#define _ENABLE_MASK ((FE_DIVBYZERO | FE_INEXACT | FE_INVALID | \
+ FE_OVERFLOW | FE_UNDERFLOW) >> _FPUSW_SHIFT)
+
+#ifndef _SOFT_FLOAT
+#ifdef __SPE__
+#define __mffs(__env) \
+ __asm __volatile("mfspr %0, 512" : "=r" ((__env)->__bits.__reg))
+#define __mtfsf(__env) \
+ __asm __volatile("mtspr 512,%0;isync" :: "r" ((__env).__bits.__reg))
+#else
+#define __mffs(__env) \
+ __asm __volatile("mffs %0" : "=f" ((__env)->__d))
+#define __mtfsf(__env) \
+ __asm __volatile("mtfsf 255,%0" :: "f" ((__env).__d))
+#endif
+#else
+#define __mffs(__env)
+#define __mtfsf(__env)
+#endif
+
+union __fpscr {
+ double __d;
+ struct {
+#if _BYTE_ORDER == _LITTLE_ENDIAN
+ fenv_t __reg;
+ __uint32_t __junk;
+#else
+ __uint32_t __junk;
+ fenv_t __reg;
+#endif
+ } __bits;
+};
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* !_SYS_FENV_H_ */
diff --git a/newlib/libm/machine/configure.in b/newlib/libm/machine/configure.in
index d4635214a..01d3d9f66 100644
--- a/newlib/libm/machine/configure.in
+++ b/newlib/libm/machine/configure.in
@@ -33,6 +33,7 @@ if test -n "${libm_machine_dir}"; then
spu) AC_CONFIG_SUBDIRS(spu) ;;
riscv) AC_CONFIG_SUBDIRS(riscv) ;;
x86_64) AC_CONFIG_SUBDIRS(x86_64) ;;
+ powerpc) AC_CONFIG_SUBDIRS(powerpc) ;;
esac;
if test "${use_libtool}" = "yes"; then
machlib=${libm_machine_dir}/lib${libm_machine_dir}.${aext}
diff --git a/newlib/libm/machine/powerpc/Makefile.am b/newlib/libm/machine/powerpc/Makefile.am
new file mode 100644
index 000000000..3d8dd250a
--- /dev/null
+++ b/newlib/libm/machine/powerpc/Makefile.am
@@ -0,0 +1,20 @@
+## Process this file with automake to generate Makefile.in
+
+INCLUDES = -I $(newlib_basedir)/../newlib/libm/common $(NEWLIB_CFLAGS) \
+ $(CROSS_CFLAGS) $(TARGET_CFLAGS)
+
+LIB_SOURCES = \
+ feclearexcept.c fegetenv.c fegetexceptflag.c \
+ fegetround.c feholdexcept.c fenv.c feraiseexcept.c fesetenv.c \
+ fesetexceptflag.c fesetround.c fetestexcept.c feupdateenv.c
+
+noinst_LIBRARIES = lib.a
+lib_a_SOURCES = $(LIB_SOURCES)
+lib_a_CFLAGS = $(AM_CFLAGS)
+lib_a_CCASFLAGS = $(AM_CCASFLAGS)
+noinst_DATA =
+
+include $(srcdir)/../../../Makefile.shared
+
+ACLOCAL_AMFLAGS = -I ../../.. -I ../../../..
+CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host
diff --git a/newlib/libm/machine/powerpc/configure.in b/newlib/libm/machine/powerpc/configure.in
new file mode 100644
index 000000000..7a22fa31c
--- /dev/null
+++ b/newlib/libm/machine/powerpc/configure.in
@@ -0,0 +1,11 @@
+
+AC_PREREQ(2.59)
+AC_INIT([newlib],[NEWLIB_VERSION])
+AC_CONFIG_SRCDIR([Makefile.am])
+
+AC_CONFIG_AUX_DIR(../../../..)
+
+NEWLIB_CONFIGURE(../../..)
+
+AC_CONFIG_FILES([Makefile])
+AC_OUTPUT
diff --git a/newlib/libm/machine/powerpc/feclearexcept.c b/newlib/libm/machine/powerpc/feclearexcept.c
new file mode 100644
index 000000000..8cbee7771
--- /dev/null
+++ b/newlib/libm/machine/powerpc/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/powerpc/fegetenv.c b/newlib/libm/machine/powerpc/fegetenv.c
new file mode 100644
index 000000000..8cbee7771
--- /dev/null
+++ b/newlib/libm/machine/powerpc/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/powerpc/fegetexceptflag.c b/newlib/libm/machine/powerpc/fegetexceptflag.c
new file mode 100644
index 000000000..8cbee7771
--- /dev/null
+++ b/newlib/libm/machine/powerpc/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/powerpc/fegetround.c b/newlib/libm/machine/powerpc/fegetround.c
new file mode 100644
index 000000000..8cbee7771
--- /dev/null
+++ b/newlib/libm/machine/powerpc/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/powerpc/feholdexcept.c b/newlib/libm/machine/powerpc/feholdexcept.c
new file mode 100644
index 000000000..8cbee7771
--- /dev/null
+++ b/newlib/libm/machine/powerpc/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/powerpc/fenv.c b/newlib/libm/machine/powerpc/fenv.c
new file mode 100644
index 000000000..003727d05
--- /dev/null
+++ b/newlib/libm/machine/powerpc/fenv.c
@@ -0,0 +1,51 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2004 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.
+ *
+ * $FreeBSD$
+ */
+
+#define __fenv_static
+#include <fenv.h>
+#include <machine/fenv-fp.h>
+
+#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 rounding_mode);
+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);
diff --git a/newlib/libm/machine/powerpc/feraiseexcept.c b/newlib/libm/machine/powerpc/feraiseexcept.c
new file mode 100644
index 000000000..8cbee7771
--- /dev/null
+++ b/newlib/libm/machine/powerpc/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/powerpc/fesetenv.c b/newlib/libm/machine/powerpc/fesetenv.c
new file mode 100644
index 000000000..8cbee7771
--- /dev/null
+++ b/newlib/libm/machine/powerpc/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/powerpc/fesetexceptflag.c b/newlib/libm/machine/powerpc/fesetexceptflag.c
new file mode 100644
index 000000000..8cbee7771
--- /dev/null
+++ b/newlib/libm/machine/powerpc/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/powerpc/fesetround.c b/newlib/libm/machine/powerpc/fesetround.c
new file mode 100644
index 000000000..8cbee7771
--- /dev/null
+++ b/newlib/libm/machine/powerpc/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/powerpc/fetestexcept.c b/newlib/libm/machine/powerpc/fetestexcept.c
new file mode 100644
index 000000000..8cbee7771
--- /dev/null
+++ b/newlib/libm/machine/powerpc/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/powerpc/feupdateenv.c b/newlib/libm/machine/powerpc/feupdateenv.c
new file mode 100644
index 000000000..8cbee7771
--- /dev/null
+++ b/newlib/libm/machine/powerpc/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"
--
2.17.1
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