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-rw-r--r--sysdeps/m68k/fpu/bits/fenv.h87
-rw-r--r--sysdeps/m68k/fpu/fclrexcpt.c50
-rw-r--r--sysdeps/m68k/fpu/fedisblxcpt.c38
-rw-r--r--sysdeps/m68k/fpu/feenablxcpt.c38
-rw-r--r--sysdeps/m68k/fpu/fegetenv.c44
-rw-r--r--sysdeps/m68k/fpu/fegetexcept.c31
-rw-r--r--sysdeps/m68k/fpu/fegetround.c31
-rw-r--r--sysdeps/m68k/fpu/feholdexcpt.c45
-rw-r--r--sysdeps/m68k/fpu/fesetenv.c74
-rw-r--r--sysdeps/m68k/fpu/fesetround.c38
-rw-r--r--sysdeps/m68k/fpu/feupdateenv.c50
-rw-r--r--sysdeps/m68k/fpu/fgetexcptflg.c42
-rw-r--r--sysdeps/m68k/fpu/fsetexcptflg.c48
-rw-r--r--sysdeps/m68k/fpu/ftestexcept.c32
14 files changed, 648 insertions, 0 deletions
diff --git a/sysdeps/m68k/fpu/bits/fenv.h b/sysdeps/m68k/fpu/bits/fenv.h
new file mode 100644
index 0000000000..e16412514f
--- /dev/null
+++ b/sysdeps/m68k/fpu/bits/fenv.h
@@ -0,0 +1,87 @@
+/* Copyright (C) 1997-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _FENV_H
+# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
+#endif
+
+
+/* Define bits representing the exception. We use the bit positions of
+ the appropriate bits in the FPSR Accrued Exception Byte. */
+enum
+ {
+ FE_INEXACT =
+#define FE_INEXACT (1 << 3)
+ FE_INEXACT,
+ FE_DIVBYZERO =
+#define FE_DIVBYZERO (1 << 4)
+ FE_DIVBYZERO,
+ FE_UNDERFLOW =
+#define FE_UNDERFLOW (1 << 5)
+ FE_UNDERFLOW,
+ FE_OVERFLOW =
+#define FE_OVERFLOW (1 << 6)
+ FE_OVERFLOW,
+ FE_INVALID =
+#define FE_INVALID (1 << 7)
+ FE_INVALID
+ };
+
+#define FE_ALL_EXCEPT \
+ (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)
+
+/* The m68k FPU supports all of the four defined rounding modes. We use
+ the bit positions in the FPCR Mode Control Byte as the values for the
+ appropriate macros. */
+enum
+ {
+ FE_TONEAREST =
+#define FE_TONEAREST 0
+ FE_TONEAREST,
+ FE_TOWARDZERO =
+#define FE_TOWARDZERO (1 << 4)
+ FE_TOWARDZERO,
+ FE_DOWNWARD =
+#define FE_DOWNWARD (2 << 4)
+ FE_DOWNWARD,
+ FE_UPWARD =
+#define FE_UPWARD (3 << 4)
+ FE_UPWARD
+ };
+
+
+/* Type representing exception flags. */
+typedef unsigned int fexcept_t;
+
+
+/* Type representing floating-point environment. This structure
+ corresponds to the layout of the block written by `fmovem'. */
+typedef struct
+ {
+ unsigned int __control_register;
+ unsigned int __status_register;
+ unsigned int __instruction_address;
+ }
+fenv_t;
+
+/* If the default argument is used we use this value. */
+#define FE_DFL_ENV ((const fenv_t *) -1)
+
+#ifdef __USE_GNU
+/* Floating-point environment where none of the exceptions are masked. */
+# define FE_NOMASK_ENV ((const fenv_t *) -2)
+#endif
diff --git a/sysdeps/m68k/fpu/fclrexcpt.c b/sysdeps/m68k/fpu/fclrexcpt.c
new file mode 100644
index 0000000000..16836f8f5c
--- /dev/null
+++ b/sysdeps/m68k/fpu/fclrexcpt.c
@@ -0,0 +1,50 @@
+/* Clear given exceptions in current floating-point environment.
+ Copyright (C) 1997-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+
+int
+__feclearexcept (int excepts)
+{
+ fexcept_t fpsr;
+
+ /* Mask out unsupported bits/exceptions. */
+ excepts &= FE_ALL_EXCEPT;
+
+ /* Fetch the fpu status register. */
+ __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (fpsr));
+
+ /* Clear the relevant bits. */
+ fpsr &= ~excepts;
+
+ /* Put the new data in effect. */
+ __asm__ __volatile__ ("fmove%.l %0,%/fpsr" : : "dm" (fpsr));
+
+ /* Success. */
+ return 0;
+}
+
+#include <shlib-compat.h>
+#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
+strong_alias (__feclearexcept, __old_feclearexcept)
+compat_symbol (libm, __old_feclearexcept, feclearexcept, GLIBC_2_1);
+#endif
+
+libm_hidden_ver (__feclearexcept, feclearexcept)
+versioned_symbol (libm, __feclearexcept, feclearexcept, GLIBC_2_2);
diff --git a/sysdeps/m68k/fpu/fedisblxcpt.c b/sysdeps/m68k/fpu/fedisblxcpt.c
new file mode 100644
index 0000000000..4916bd6e38
--- /dev/null
+++ b/sysdeps/m68k/fpu/fedisblxcpt.c
@@ -0,0 +1,38 @@
+/* Disable floating-point exceptions.
+ Copyright (C) 2000-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab <schwab@suse.de>, 2000.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+
+int
+fedisableexcept (int excepts)
+{
+ unsigned int old_exc, new_exc;
+
+ /* Get the current control register contents. */
+ __asm__ ("fmove%.l %!,%0" : "=dm" (new_exc));
+
+ old_exc = (new_exc >> 6) & FE_ALL_EXCEPT;
+
+ excepts &= FE_ALL_EXCEPT;
+
+ new_exc &= ~(excepts << 6);
+ __asm__ ("fmove%.l %0,%!" : : "dm" (new_exc));
+
+ return old_exc;
+}
diff --git a/sysdeps/m68k/fpu/feenablxcpt.c b/sysdeps/m68k/fpu/feenablxcpt.c
new file mode 100644
index 0000000000..4e7825b034
--- /dev/null
+++ b/sysdeps/m68k/fpu/feenablxcpt.c
@@ -0,0 +1,38 @@
+/* Enable floating-point exceptions.
+ Copyright (C) 2000-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab <schwab@suse.de>, 2000.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+
+int
+feenableexcept (int excepts)
+{
+ unsigned int new_exc, old_exc;
+
+ /* Get the current control register contents. */
+ __asm__ ("fmove%.l %!,%0" : "=dm" (new_exc));
+
+ old_exc = (new_exc >> 6) & FE_ALL_EXCEPT;
+
+ excepts &= FE_ALL_EXCEPT;
+
+ new_exc |= excepts << 6;
+ __asm__ ("fmove%.l %0,%!" : : "dm" (new_exc));
+
+ return old_exc;
+}
diff --git a/sysdeps/m68k/fpu/fegetenv.c b/sysdeps/m68k/fpu/fegetenv.c
new file mode 100644
index 0000000000..7feac6426f
--- /dev/null
+++ b/sysdeps/m68k/fpu/fegetenv.c
@@ -0,0 +1,44 @@
+/* Store current floating-point environment.
+ Copyright (C) 1997-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+
+int
+__fegetenv (fenv_t *envp)
+{
+#ifdef __mcoldfire__
+ __asm__ ("fmove%.l %/fpcr,%0" : "=dm" (envp->__control_register));
+ __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (envp->__status_register));
+ __asm__ ("fmove%.l %/fpiar,%0" : "=dm" (envp->__instruction_address));
+#else
+ __asm__ ("fmovem%.l %/fpcr/%/fpsr/%/fpiar,%0" : "=m" (*envp));
+#endif
+
+ /* Success. */
+ return 0;
+}
+
+#include <shlib-compat.h>
+#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
+strong_alias (__fegetenv, __old_fegetenv)
+compat_symbol (libm, __old_fegetenv, fegetenv, GLIBC_2_1);
+#endif
+
+libm_hidden_ver (__fegetenv, fegetenv)
+versioned_symbol (libm, __fegetenv, fegetenv, GLIBC_2_2);
diff --git a/sysdeps/m68k/fpu/fegetexcept.c b/sysdeps/m68k/fpu/fegetexcept.c
new file mode 100644
index 0000000000..e3b43d4faf
--- /dev/null
+++ b/sysdeps/m68k/fpu/fegetexcept.c
@@ -0,0 +1,31 @@
+/* Get enabled floating-point exceptions.
+ Copyright (C) 2000-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab <schwab@suse.de>, 2000.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+
+int
+fegetexcept (void)
+{
+ unsigned int exc;
+
+ /* Get the current control register contents. */
+ __asm__ ("fmove%.l %!,%0" : "=dm" (exc));
+
+ return (exc >> 6) & FE_ALL_EXCEPT;
+}
diff --git a/sysdeps/m68k/fpu/fegetround.c b/sysdeps/m68k/fpu/fegetround.c
new file mode 100644
index 0000000000..b4f0802cb3
--- /dev/null
+++ b/sysdeps/m68k/fpu/fegetround.c
@@ -0,0 +1,31 @@
+/* Return current rounding direction.
+ Copyright (C) 1997-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+
+int
+fegetround (void)
+{
+ int fpcr;
+
+ __asm__ ("fmove%.l %!,%0" : "=dm" (fpcr));
+
+ return fpcr & FE_UPWARD;
+}
+libm_hidden_def (fegetround)
diff --git a/sysdeps/m68k/fpu/feholdexcpt.c b/sysdeps/m68k/fpu/feholdexcpt.c
new file mode 100644
index 0000000000..ad9ca0c1f1
--- /dev/null
+++ b/sysdeps/m68k/fpu/feholdexcpt.c
@@ -0,0 +1,45 @@
+/* Store current floating-point environment and clear exceptions.
+ Copyright (C) 1997-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+
+int
+feholdexcept (fenv_t *envp)
+{
+ fexcept_t fpcr, fpsr;
+
+ /* Store the environment. */
+#ifdef __mcoldfire__
+ __asm__ ("fmove%.l %/fpcr,%0" : "=dm" (envp->__control_register));
+ __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (envp->__status_register));
+ __asm__ ("fmove%.l %/fpiar,%0" : "=dm" (envp->__instruction_address));
+#else
+ __asm__ ("fmovem%.l %/fpcr/%/fpsr/%/fpiar,%0" : "=m" (*envp));
+#endif
+
+ /* Now clear all exceptions. */
+ fpsr = envp->__status_register & ~FE_ALL_EXCEPT;
+ __asm__ __volatile__ ("fmove%.l %0,%/fpsr" : : "dm" (fpsr));
+ /* And set all exceptions to non-stop. */
+ fpcr = envp->__control_register & ~(FE_ALL_EXCEPT << 6);
+ __asm__ __volatile__ ("fmove%.l %0,%!" : : "dm" (fpcr));
+
+ return 0;
+}
+libm_hidden_def (feholdexcept);
diff --git a/sysdeps/m68k/fpu/fesetenv.c b/sysdeps/m68k/fpu/fesetenv.c
new file mode 100644
index 0000000000..6d91922dec
--- /dev/null
+++ b/sysdeps/m68k/fpu/fesetenv.c
@@ -0,0 +1,74 @@
+/* Install given floating-point environment.
+ Copyright (C) 1997-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+
+int
+__fesetenv (const fenv_t *envp)
+{
+ fenv_t temp;
+
+ /* Install the environment specified by ENVP. But there are a few
+ values which we do not want to come from the saved environment.
+ Therefore, we get the current environment and replace the values
+ we want to use from the environment specified by the parameter. */
+#ifdef __mcoldfire__
+ __asm__ ("fmove%.l %/fpcr,%0" : "=dm" (temp.__control_register));
+ __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (temp.__status_register));
+ __asm__ ("fmove%.l %/fpiar,%0" : "=dm" (temp.__instruction_address));
+#else
+ __asm__ ("fmovem%.l %/fpcr/%/fpsr/%/fpiar,%0" : "=m" (*&temp));
+#endif
+
+ temp.__status_register &= ~FE_ALL_EXCEPT;
+ temp.__control_register &= ~((FE_ALL_EXCEPT << 6) | FE_UPWARD);
+ if (envp == FE_DFL_ENV)
+ ;
+ else if (envp == FE_NOMASK_ENV)
+ temp.__control_register |= FE_ALL_EXCEPT << 6;
+ else
+ {
+ temp.__control_register |= (envp->__control_register
+ & ((FE_ALL_EXCEPT << 6) | FE_UPWARD));
+ temp.__status_register |= envp->__status_register & FE_ALL_EXCEPT;
+ }
+
+#ifdef __mcoldfire__
+ __asm__ __volatile__ ("fmove%.l %0,%/fpiar"
+ :: "dm" (temp.__instruction_address));
+ __asm__ __volatile__ ("fmove%.l %0,%/fpcr"
+ :: "dm" (temp.__control_register));
+ __asm__ __volatile__ ("fmove%.l %0,%/fpsr"
+ :: "dm" (temp.__status_register));
+#else
+ __asm__ __volatile__ ("fmovem%.l %0,%/fpcr/%/fpsr/%/fpiar" : : "m" (*&temp));
+#endif
+
+ /* Success. */
+ return 0;
+}
+
+#include <shlib-compat.h>
+#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
+strong_alias (__fesetenv, __old_fesetenv)
+compat_symbol (libm, __old_fesetenv, fesetenv, GLIBC_2_1);
+#endif
+
+libm_hidden_ver (__fesetenv, fesetenv)
+versioned_symbol (libm, __fesetenv, fesetenv, GLIBC_2_2);
diff --git a/sysdeps/m68k/fpu/fesetround.c b/sysdeps/m68k/fpu/fesetround.c
new file mode 100644
index 0000000000..0f6d6b17ba
--- /dev/null
+++ b/sysdeps/m68k/fpu/fesetround.c
@@ -0,0 +1,38 @@
+/* Set current rounding direction.
+ Copyright (C) 1997-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+
+int
+fesetround (int round)
+{
+ fexcept_t fpcr;
+
+ if (round & ~FE_UPWARD)
+ /* ROUND is no valid rounding mode. */
+ return 1;
+
+ __asm__ ("fmove%.l %!,%0" : "=dm" (fpcr));
+ fpcr &= ~FE_UPWARD;
+ fpcr |= round;
+ __asm__ __volatile__ ("fmove%.l %0,%!" : : "dm" (fpcr));
+
+ return 0;
+}
+libm_hidden_def (fesetround);
diff --git a/sysdeps/m68k/fpu/feupdateenv.c b/sysdeps/m68k/fpu/feupdateenv.c
new file mode 100644
index 0000000000..3ed7ed00c6
--- /dev/null
+++ b/sysdeps/m68k/fpu/feupdateenv.c
@@ -0,0 +1,50 @@
+/* Install given floating-point environment and raise exceptions.
+ Copyright (C) 1997-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+
+int
+__feupdateenv (const fenv_t *envp)
+{
+ fexcept_t fpsr;
+
+ /* Save current exceptions. */
+ __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (fpsr));
+ fpsr &= FE_ALL_EXCEPT;
+
+ /* Install new environment. */
+ fesetenv (envp);
+
+ /* Raise the saved exception. Incidently for us the implementation
+ defined format of the values in objects of type fexcept_t is the
+ same as the ones specified using the FE_* constants. */
+ feraiseexcept ((int) fpsr);
+
+ /* Success. */
+ return 0;
+}
+
+#include <shlib-compat.h>
+#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
+strong_alias (__feupdateenv, __old_feupdateenv)
+compat_symbol (libm, __old_feupdateenv, feupdateenv, GLIBC_2_1);
+#endif
+
+libm_hidden_ver (__feupdateenv, feupdateenv)
+versioned_symbol (libm, __feupdateenv, feupdateenv, GLIBC_2_2);
diff --git a/sysdeps/m68k/fpu/fgetexcptflg.c b/sysdeps/m68k/fpu/fgetexcptflg.c
new file mode 100644
index 0000000000..b08b996be4
--- /dev/null
+++ b/sysdeps/m68k/fpu/fgetexcptflg.c
@@ -0,0 +1,42 @@
+/* Store current representation for exceptions.
+ Copyright (C) 1997-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+
+int
+__fegetexceptflag (fexcept_t *flagp, int excepts)
+{
+ fexcept_t fpsr;
+
+ /* Get the current exceptions. */
+ __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (fpsr));
+
+ *flagp = fpsr & excepts & FE_ALL_EXCEPT;
+
+ /* Success. */
+ return 0;
+}
+
+#include <shlib-compat.h>
+#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
+strong_alias (__fegetexceptflag, __old_fegetexceptflag)
+compat_symbol (libm, __old_fegetexceptflag, fegetexceptflag, GLIBC_2_1);
+#endif
+
+versioned_symbol (libm, __fegetexceptflag, fegetexceptflag, GLIBC_2_2);
diff --git a/sysdeps/m68k/fpu/fsetexcptflg.c b/sysdeps/m68k/fpu/fsetexcptflg.c
new file mode 100644
index 0000000000..8c0c2b0cca
--- /dev/null
+++ b/sysdeps/m68k/fpu/fsetexcptflg.c
@@ -0,0 +1,48 @@
+/* Set floating-point environment exception handling.
+ Copyright (C) 1997-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+#include <math.h>
+
+int
+__fesetexceptflag (const fexcept_t *flagp, int excepts)
+{
+ fexcept_t fpsr;
+
+ /* Get the current status register. */
+ __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (fpsr));
+
+ /* Install the new exception bits in the Accrued Exception Byte. */
+ fpsr &= ~(excepts & FE_ALL_EXCEPT);
+ fpsr |= *flagp & excepts & FE_ALL_EXCEPT;
+
+ /* Store the new status register. */
+ __asm__ __volatile__ ("fmove%.l %0,%/fpsr" : : "dm" (fpsr));
+
+ /* Success. */
+ return 0;
+}
+
+#include <shlib-compat.h>
+#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
+strong_alias (__fesetexceptflag, __old_fesetexceptflag)
+compat_symbol (libm, __old_fesetexceptflag, fesetexceptflag, GLIBC_2_1);
+#endif
+
+versioned_symbol (libm, __fesetexceptflag, fesetexceptflag, GLIBC_2_2);
diff --git a/sysdeps/m68k/fpu/ftestexcept.c b/sysdeps/m68k/fpu/ftestexcept.c
new file mode 100644
index 0000000000..29a7a53c01
--- /dev/null
+++ b/sysdeps/m68k/fpu/ftestexcept.c
@@ -0,0 +1,32 @@
+/* Test exception in current environment.
+ Copyright (C) 1997-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv.h>
+
+int
+fetestexcept (int excepts)
+{
+ fexcept_t fpsr;
+
+ /* Get current exceptions. */
+ __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (fpsr));
+
+ return fpsr & excepts & FE_ALL_EXCEPT;
+}
+libm_hidden_def (fetestexcept)