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authorAndreas Jaeger <aj@suse.de>2000-08-21 17:06:46 +0000
committerAndreas Jaeger <aj@suse.de>2000-08-21 17:06:46 +0000
commit528be9fe8e08d78481d681c9ce23af6ba60ed2f5 (patch)
tree6f267c451b3390f3605f12de48f421166302cd0d
parentb7d2cec07113b7161a99f0fe8ee6234625984fce (diff)
downloadglibc-528be9fe8e08d78481d681c9ce23af6ba60ed2f5.tar.gz
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Add sys/procfs.h.
-rw-r--r--sysdeps/s390/__longjmp.c2
-rw-r--r--sysdeps/s390/fpu/bits/fenv.h9
-rw-r--r--sysdeps/s390/fpu/fclrexcpt.c8
-rw-r--r--sysdeps/s390/fpu/fegetenv.c43
-rw-r--r--sysdeps/s390/fpu/fegetround.c9
-rw-r--r--sysdeps/s390/fpu/feholdexcpt.c34
-rw-r--r--sysdeps/s390/fpu/fenv_libc.h37
-rw-r--r--sysdeps/s390/fpu/fesetenv.c56
-rw-r--r--sysdeps/s390/fpu/fesetround.c6
-rw-r--r--sysdeps/s390/fpu/feupdateenv.c40
-rw-r--r--sysdeps/s390/fpu/fgetexcptflg.c38
-rw-r--r--sysdeps/s390/fpu/fpu_control.h13
-rw-r--r--sysdeps/s390/fpu/fraiseexcpt.c71
-rw-r--r--sysdeps/s390/fpu/fsetexcptflg.c46
-rw-r--r--sysdeps/s390/fpu/libm-test-ulps1079
-rw-r--r--sysdeps/s390/gmp-mparam.h2
-rw-r--r--sysdeps/s390/initfini.c149
-rw-r--r--sysdeps/unix/sysv/linux/s390/Dist1
18 files changed, 1587 insertions, 56 deletions
diff --git a/sysdeps/s390/__longjmp.c b/sysdeps/s390/__longjmp.c
index 7606aefce2..74c4e3a247 100644
--- a/sysdeps/s390/__longjmp.c
+++ b/sysdeps/s390/__longjmp.c
@@ -29,8 +29,6 @@
 void
 __longjmp (__jmp_buf env, int val)
 {
-   unsigned int result;
-
    /* Restore registers and jump back */
    asm volatile("lr   %%r2,%0\n\t"        /* put val in grp 2 */
                 "lm   %%r6,%%r15,%1\n\t"
diff --git a/sysdeps/s390/fpu/bits/fenv.h b/sysdeps/s390/fpu/bits/fenv.h
index 81732b9972..8a963aa35d 100644
--- a/sysdeps/s390/fpu/bits/fenv.h
+++ b/sysdeps/s390/fpu/bits/fenv.h
@@ -15,9 +15,7 @@
    You should have received a copy of the GNU Library General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If not,
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.
-
- */
+   Boston, MA 02111-1307, USA.  */
 
 #ifndef _FENV_H
 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
@@ -62,11 +60,6 @@ enum
 #define FE_TOWARDZERO	FE_TOWARDZERO
   };
 
-#define FPC_EXCEPTION_MASK_SHIFT  24
-#define FPC_FLAGS_SHIFT           16
-#define FPC_DXC_SHIFT             8
-#define FPC_NOT_FPU_EXCEPTION     0x300
-
 
 /* Type representing exception flags.  */
 typedef unsigned int fexcept_t; /* size of fpc */
diff --git a/sysdeps/s390/fpu/fclrexcpt.c b/sysdeps/s390/fpu/fclrexcpt.c
index aa159fd282..508eb0c1b8 100644
--- a/sysdeps/s390/fpu/fclrexcpt.c
+++ b/sysdeps/s390/fpu/fclrexcpt.c
@@ -17,7 +17,7 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#include <fenv.h>
+#include <fenv_libc.h>
 #include <fpu_control.h>
 
 int
@@ -28,12 +28,12 @@ feclearexcept (int excepts)
   /* Mask out unsupported bits/exceptions.  */
   excepts &= FE_ALL_EXCEPT;
 
-  _FPU_GETCW(temp);
+  _FPU_GETCW (temp);
   /* Clear the relevant bits.  */
-  temp &= ~((excepts<<FPC_DXC_SHIFT)|(excepts<<FPC_FLAGS_SHIFT));
+  temp &= ~((excepts << FPC_DXC_SHIFT)|(excepts << FPC_FLAGS_SHIFT));
 
   /* Put the new data in effect.  */
-  _FPU_SETCW(temp);
+  _FPU_SETCW (temp);
 
   /* Success.  */
   return 0;
diff --git a/sysdeps/s390/fpu/fegetenv.c b/sysdeps/s390/fpu/fegetenv.c
new file mode 100644
index 0000000000..4140a8b4fa
--- /dev/null
+++ b/sysdeps/s390/fpu/fegetenv.c
@@ -0,0 +1,43 @@
+/* Store current floating-point environment.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA. */
+
+#include <fenv_libc.h>
+#include <fpu_control.h>
+#include <stddef.h>
+#include <asm/ptrace.h>
+#include <sys/ptrace.h>
+#include <unistd.h>
+
+int
+fegetenv (fenv_t *envp)
+{
+  /* The S/390 IEEE fpu doesn't keep track of the ieee instruction pointer.
+     To get around that the kernel will store the address of the last
+     fpu fault to the process structure. This ptrace call reads this value
+     from the kernel space. That means the ieee_instruction_pointer is
+     only correct after a fpu fault. That's the best we can do, there is
+     no way to find out the ieee instruction pointer if there was no fault.  */
+  _FPU_GETCW (envp->fpc);
+  envp->ieee_instruction_pointer =
+    ptrace (PTRACE_PEEKUSER, getpid (), PT_IEEE_IP);
+
+  /* Success.  */
+  return 0;
+}
diff --git a/sysdeps/s390/fpu/fegetround.c b/sysdeps/s390/fpu/fegetround.c
index 3742588629..9d7fd56571 100644
--- a/sysdeps/s390/fpu/fegetround.c
+++ b/sysdeps/s390/fpu/fegetround.c
@@ -1,8 +1,7 @@
 /* Return current rounding direction.
    Copyright (C) 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com)
-
+   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public License as
@@ -19,7 +18,7 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#include <fenv.h>
+#include <fenv_libc.h>
 #include <fpu_control.h>
 
 int
@@ -27,9 +26,7 @@ fegetround (void)
 {
   fexcept_t cw;
 
-  _FPU_GETCW(cw);
+  _FPU_GETCW (cw);
 
   return cw & FPC_RM_MASK;
 }
-
-
diff --git a/sysdeps/s390/fpu/feholdexcpt.c b/sysdeps/s390/fpu/feholdexcpt.c
new file mode 100644
index 0000000000..70b4c7c95f
--- /dev/null
+++ b/sysdeps/s390/fpu/feholdexcpt.c
@@ -0,0 +1,34 @@
+/* Store current floating-point environment and clear exceptions.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA. */
+
+#include <fenv_libc.h>
+#include <fpu_control.h>
+
+int feholdexcept (fenv_t *envp)
+{
+  /* Store the environment.  */
+  fegetenv (envp);
+  /* Clear the current sticky bits as more than one exception
+     may be generated.  */
+  envp->fpc &= ~(FPC_FLAGS_MASK | FPC_DXC_MASK);
+  /* Hold from generating fpu exceptions temporarily.  */
+  _FPU_SETCW ((envp->fpc & ~(FE_ALL_EXCEPT << FPC_EXCEPTION_MASK_SHIFT)));
+  return 0;
+}
diff --git a/sysdeps/s390/fpu/fenv_libc.h b/sysdeps/s390/fpu/fenv_libc.h
new file mode 100644
index 0000000000..d4c7b3ea32
--- /dev/null
+++ b/sysdeps/s390/fpu/fenv_libc.h
@@ -0,0 +1,37 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _FENV_LIBC_H
+#define _FENV_LIBC_H    1
+
+#include <fenv.h>
+
+/* Definitions from asm/s390-regs-common.h that are needed in th glibc. */
+
+#define FPC_DXC_MASK		0x0000FF00
+#define FPC_EXCEPTION_MASK	0xF8000000
+#define FPC_FLAGS_MASK		0x00F80000
+#define FPC_RM_MASK		0x00000003
+
+#define FPC_EXCEPTION_MASK_SHIFT  24
+#define FPC_FLAGS_SHIFT		  16
+#define FPC_DXC_SHIFT		  8
+#define FPC_NOT_FPU_EXCEPTION	  0x300
+
+#endif /* _FENV_LIBC_H */
diff --git a/sysdeps/s390/fpu/fesetenv.c b/sysdeps/s390/fpu/fesetenv.c
new file mode 100644
index 0000000000..93c97a32ef
--- /dev/null
+++ b/sysdeps/s390/fpu/fesetenv.c
@@ -0,0 +1,56 @@
+/* Install given floating-point environment.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA. */
+
+#include <fenv_libc.h>
+#include <fpu_control.h>
+#include <stddef.h>
+#include <asm/ptrace.h>
+#include <sys/ptrace.h>
+#include <unistd.h>
+
+int
+fesetenv (const fenv_t *envp)
+{
+  fenv_t env;
+
+  if (envp == FE_DFL_ENV)
+    {
+      env.fpc = _FPU_DEFAULT;
+      env.ieee_instruction_pointer = 0;
+    }
+  else if (envp == FE_NOMASK_ENV)
+    {
+      env.fpc = FPC_EXCEPTION_MASK;
+      env.ieee_instruction_pointer = 0;
+    }
+  else
+    env = (*envp);
+
+  /* The S/390 IEEE fpu doesn't have a register for the ieee
+     instruction pointer. The operating system is required to keep an
+     instruction pointer on a per process base. We read and write this
+     value with the ptrace interface.  */
+  _FPU_SETCW (env.fpc);
+  ptrace (PTRACE_POKEUSER, getpid (), PT_IEEE_IP,
+	  env.ieee_instruction_pointer);
+
+  /* Success.  */
+  return 0;
+}
diff --git a/sysdeps/s390/fpu/fesetround.c b/sysdeps/s390/fpu/fesetround.c
index ba8c1b0be3..11fae8fe8c 100644
--- a/sysdeps/s390/fpu/fesetround.c
+++ b/sysdeps/s390/fpu/fesetround.c
@@ -1,7 +1,7 @@
 /* Set current rounding direction.
    Copyright (C) 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com)
+   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public License as
@@ -18,7 +18,7 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#include <fenv.h>
+#include <fenv_libc.h>
 #include <fpu_control.h>
 
 int
@@ -32,6 +32,6 @@ fesetround (int round)
   __asm__ volatile ("srnm 0(%0)"
 		    :
 		    : "a" (round));
-  
+
   return 0;
 }
diff --git a/sysdeps/s390/fpu/feupdateenv.c b/sysdeps/s390/fpu/feupdateenv.c
new file mode 100644
index 0000000000..c0f5a5c151
--- /dev/null
+++ b/sysdeps/s390/fpu/feupdateenv.c
@@ -0,0 +1,40 @@
+/* Install given floating-point environment and raise exceptions.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA. */
+
+
+#include <fenv_libc.h>
+#include <fpu_control.h>
+
+int
+feupdateenv (const fenv_t *envp)
+{
+  fexcept_t temp;
+
+  _FPU_GETCW (temp);
+  temp = (temp & FPC_FLAGS_MASK) >> FPC_FLAGS_SHIFT;
+
+  /* Raise the exceptions since the last call to feholdenv  */
+  /* re install saved environment.  */
+  fesetenv (envp);
+  feraiseexcept ((int) temp);
+
+  /* Success.  */
+  return 0;
+}
diff --git a/sysdeps/s390/fpu/fgetexcptflg.c b/sysdeps/s390/fpu/fgetexcptflg.c
index d4a49d6731..31d2d58f2b 100644
--- a/sysdeps/s390/fpu/fgetexcptflg.c
+++ b/sysdeps/s390/fpu/fgetexcptflg.c
@@ -1,7 +1,7 @@
 /* Store current representation for exceptions.
-   Copyright (C) 1997 Free Software Foundation, Inc.
+   Copyright (C) 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public License as
@@ -16,31 +16,21 @@
    You should have received a copy of the GNU Library General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If not,
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  
+   Boston, MA 02111-1307, USA. */
 
-   Contributed by:
-   Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
-*/
-
-#include <fenv.h>
+#include <fenv_libc.h>
 #include <fpu_control.h>
 
-int fegetexceptflag (fexcept_t *flagp, int excepts)
+int
+fegetexceptflag (fexcept_t *flagp, int excepts)
 {
-	fexcept_t temp,newexcepts;
-	
-	/* Get the current exceptions.  */
-	_FPU_GETCW(temp);
-	newexcepts=((excepts<<FPC_DXC_SHIFT)|(excepts<<FPC_FLAGS_SHIFT));
-	*flagp = temp & newexcepts;
-
-	/* Success.  */
-	return 0;
-}
-
-
-
-
-
+  fexcept_t temp, newexcepts;
 
+  /* Get the current exceptions.  */
+  _FPU_GETCW (temp);
+  newexcepts = (excepts << FPC_DXC_SHIFT) | (excepts << FPC_FLAGS_SHIFT);
+  *flagp = temp & newexcepts;
 
+  /* Success.  */
+  return 0;
+}
diff --git a/sysdeps/s390/fpu/fpu_control.h b/sysdeps/s390/fpu/fpu_control.h
index 7552cfa8ff..c3ebb2b6de 100644
--- a/sysdeps/s390/fpu/fpu_control.h
+++ b/sysdeps/s390/fpu/fpu_control.h
@@ -1,8 +1,8 @@
 /* FPU control word definitions.  Stub version.
-   Copyright (C) 1999 Free Software Foundation, Inc.
-   Contributed by 
-   Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com) and
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com) and
    Martin Schwidefsky (schwidefsky@de.ibm.com).
+
    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 Library General Public License as
@@ -35,13 +35,10 @@
 typedef unsigned int fpu_control_t;
 
 /* Macros for accessing the hardware control word.  */
-#define _FPU_GETCW(cw)  __asm__ volatile ("efpc %0,0" : "=d" (cw)) 
-#define _FPU_SETCW(cw)  __asm__ volatile ("sfpc  %0,0" : : "d" (cw)) 
+#define _FPU_GETCW(cw)  __asm__ volatile ("efpc %0,0" : "=d" (cw))
+#define _FPU_SETCW(cw)  __asm__ volatile ("sfpc  %0,0" : : "d" (cw))
 
 /* Default control word set at startup.  */
 extern fpu_control_t __fpu_control;
 
 #endif /* _FPU_CONTROL_H */
-
-
-
diff --git a/sysdeps/s390/fpu/fraiseexcpt.c b/sysdeps/s390/fpu/fraiseexcpt.c
new file mode 100644
index 0000000000..e6c716cfc6
--- /dev/null
+++ b/sysdeps/s390/fpu/fraiseexcpt.c
@@ -0,0 +1,71 @@
+/* Raise given exceptions.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com) and
+   Martin Schwidefsky (schwidefsky@de.ibm.com).
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA. */
+
+#include <fenv_libc.h>
+#include <math.h>
+
+
+static __inline__ void
+fexceptdiv (float d, float e)
+{
+  __asm__ __volatile__ ("debr %0,%1" : : "f" (d), "f" (e) );
+}
+
+static __inline__ void
+fexceptadd (float d, float e)
+{
+  __asm__ __volatile__ ("aebr %0,%1" : : "f" (d), "f" (e) );
+}
+
+
+int
+feraiseexcept (int excepts)
+{
+  /* Raise exceptions represented by EXPECTS.  But we must raise only
+     one signal at a time.  It is important that if the overflow/underflow
+     exception and the inexact exception are given at the same time,
+     the overflow/underflow exception follows the inexact exception.  */
+
+  /* First: invalid exception.  */
+  if (FE_INVALID & excepts)
+    fexceptdiv (0.0, 0.0);
+
+  /* Next: division by zero.  */
+  if (FE_DIVBYZERO & excepts)
+    fexceptdiv (1.0, 0.0);
+
+  /* Next: overflow.  */
+  if (FE_OVERFLOW & excepts)
+    /* I don't think we can do the same trick as intel so we will have
+       to live with inexact coming also.  */
+    fexceptadd (FLT_MAX, 1.0e32);
+
+  /* Next: underflow.  */
+  if (FE_UNDERFLOW & excepts)
+    fexceptdiv (FLT_MIN, 3.0);
+
+  /* Last: inexact.  */
+  if (FE_INEXACT & excepts)
+    fexceptdiv (2.0, 3.0);
+
+  /* Success.  */
+  return 0;
+}
diff --git a/sysdeps/s390/fpu/fsetexcptflg.c b/sysdeps/s390/fpu/fsetexcptflg.c
new file mode 100644
index 0000000000..fe3a595cac
--- /dev/null
+++ b/sysdeps/s390/fpu/fsetexcptflg.c
@@ -0,0 +1,46 @@
+/* Set floating-point environment exception handling.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA. */
+
+#include <fenv_libc.h>
+#include <math.h>
+#include <fpu_control.h>
+
+int
+fesetexceptflag (const fexcept_t *flagp, int excepts)
+{
+  fexcept_t temp,newexcepts;
+
+  /* Get the current environment.  We have to do this since we cannot
+     separately set the status word.  */
+  _FPU_GETCW (temp);
+  /* Install the new exception bits in the Accrued Exception Byte.  */
+  excepts = excepts & FE_ALL_EXCEPT;
+  newexcepts = (excepts << FPC_DXC_SHIFT) | (excepts << FPC_FLAGS_SHIFT);
+  temp &= ~newexcepts;
+  temp |= *flagp & newexcepts;
+
+  /* Store the new status word (along with the rest of the environment.
+     Possibly new exceptions are set but they won't get executed unless
+     the next floating-point instruction.  */
+  _FPU_SETCW (temp);
+
+  /* Success.  */
+  return 0;
+}
diff --git a/sysdeps/s390/fpu/libm-test-ulps b/sysdeps/s390/fpu/libm-test-ulps
new file mode 100644
index 0000000000..36204ac7db
--- /dev/null
+++ b/sysdeps/s390/fpu/libm-test-ulps
@@ -0,0 +1,1079 @@
+# Begin of automatic generation
+
+# asin
+Test "asin (-0.5) == -pi/6":
+float: 2
+ifloat: 2
+Test "asin (0.5) == pi/6":
+float: 2
+ifloat: 2
+Test "asin (0.7) == 0.7753974966107530637":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+# atanh
+Test "atanh (0.7) == 0.8673005276940531944":
+double: 1
+idouble: 1
+
+# cabs
+Test "cabs (-0.7 + 12.4 i) == 12.41974234837422060118":
+float: 1
+ifloat: 1
+Test "cabs (-0.7 - 12.4 i) == 12.41974234837422060118":
+float: 1
+ifloat: 1
+Test "cabs (-12.4 + 0.7 i) == 12.41974234837422060118":
+float: 1
+ifloat: 1
+Test "cabs (-12.4 - 0.7 i) == 12.41974234837422060118":
+float: 1
+ifloat: 1
+Test "cabs (0.7 + 1.2 i) == 1.3892443989449804508":
+double: 1
+idouble: 1
+Test "cabs (0.7 + 12.4 i) == 12.41974234837422060118":
+float: 1
+ifloat: 1
+
+# cacos
+Test "Real part of: cacos (0.7 + 1.2 i) == 1.1351827477151551089 - 1.0927647857577371459 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: cacos (0.7 + 1.2 i) == 1.1351827477151551089 - 1.0927647857577371459 i":
+float: 1
+ifloat: 1
+
+# cacosh
+Test "Real part of: cacosh (-2 - 3 i) == -1.9833870299165354323 + 2.1414491111159960199 i":
+double: 1
+float: 7
+idouble: 1
+ifloat: 7
+Test "Imaginary part of: cacosh (-2 - 3 i) == -1.9833870299165354323 + 2.1414491111159960199 i":
+double: 1
+float: 3
+idouble: 1
+ifloat: 3
+Test "Real part of: cacosh (0.7 + 1.2 i) == 1.0927647857577371459 + 1.1351827477151551089 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+# casin
+Test "Real part of: casin (0.7 + 1.2 i) == 0.4356135790797415103 + 1.0927647857577371459 i":
+double: 3
+float: 2
+idouble: 3
+ifloat: 2
+Test "Imaginary part of: casin (0.7 + 1.2 i) == 0.4356135790797415103 + 1.0927647857577371459 i":
+float: 1
+ifloat: 1
+
+# casinh
+Test "Real part of: casinh (-2 - 3 i) == -1.9686379257930962917 - 0.9646585044076027920 i":
+double: 5
+float: 1
+idouble: 5
+ifloat: 1
+Test "Imaginary part of: casinh (-2 - 3 i) == -1.9686379257930962917 - 0.9646585044076027920 i":
+double: 3
+float: 6
+idouble: 3
+ifloat: 6
+Test "Real part of: casinh (0.7 + 1.2 i) == 0.9786545955936738768 + 0.9113541895315601156 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casinh (0.7 + 1.2 i) == 0.9786545955936738768 + 0.9113541895315601156 i":
+float: 1
+ifloat: 1
+
+# catan
+Test "Real part of: catan (-2 - 3 i) == -1.4099210495965755225 - 0.2290726829685387662 i":
+float: 3
+ifloat: 3
+Test "Imaginary part of: catan (-2 - 3 i) == -1.4099210495965755225 - 0.2290726829685387662 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: catan (0.7 + 1.2 i) == 1.0785743834118921877 + 0.5770573776534306764 i":
+float: 4
+ifloat: 4
+Test "Imaginary part of: catan (0.7 + 1.2 i) == 1.0785743834118921877 + 0.5770573776534306764 i":
+double: 1
+idouble: 1
+
+# catanh
+Test "Real part of: catanh (-2 - 3 i) == -0.1469466662255297520 - 1.3389725222944935611 i":
+double: 4
+idouble: 4
+Test "Imaginary part of: catanh (-2 - 3 i) == -0.1469466662255297520 - 1.3389725222944935611 i":
+float: 4
+ifloat: 4
+Test "Real part of: catanh (0.7 + 1.2 i) == 0.2600749516525135959 + 0.9702403077950989849 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: catanh (0.7 + 1.2 i) == 0.2600749516525135959 + 0.9702403077950989849 i":
+double: 1
+float: 6
+idouble: 1
+ifloat: 6
+
+# cbrt
+Test "cbrt (-27.0) == -3.0":
+double: 1
+idouble: 1
+Test "cbrt (0.970299) == 0.99":
+double: 1
+idouble: 1
+
+# ccos
+Test "Imaginary part of: ccos (-2 - 3 i) == -4.1896256909688072301 - 9.1092278937553365979 i":
+float: 1
+ifloat: 1
+Test "Real part of: ccos (0.7 + 1.2 i) == 1.3848657645312111080 - 0.97242170335830028619 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: ccos (0.7 + 1.2 i) == 1.3848657645312111080 - 0.97242170335830028619 i":
+double: 1
+idouble: 1
+
+# ccosh
+Test "Real part of: ccosh (-2 - 3 i) == -3.7245455049153225654 + 0.5118225699873846088 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: ccosh (-2 - 3 i) == -3.7245455049153225654 + 0.5118225699873846088 i":
+float: 1
+ifloat: 1
+Test "Real part of: ccosh (0.7 + 1.2 i) == 0.4548202223691477654 + 0.7070296600921537682 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: ccosh (0.7 + 1.2 i) == 0.4548202223691477654 + 0.7070296600921537682 i":
+double: 1
+idouble: 1
+
+# cexp
+Test "Imaginary part of: cexp (-2.0 - 3.0 i) == -0.1339809149295426134 - 0.0190985162611351964 i":
+float: 1
+ifloat: 1
+Test "Real part of: cexp (0.7 + 1.2 i) == 0.7296989091503236012 + 1.8768962328348102821 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: cexp (0.7 + 1.2 i) == 0.7296989091503236012 + 1.8768962328348102821 i":
+float: 1
+ifloat: 1
+
+# clog
+Test "Imaginary part of: clog (-2 - 3 i) == 1.2824746787307683680 - 2.1587989303424641704 i":
+double: 1
+float: 3
+idouble: 1
+ifloat: 3
+
+# clog10
+Test "Imaginary part of: clog10 (-0 + inf i) == inf + pi/2*log10(e) i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: clog10 (-0 - inf i) == inf - pi/2*log10(e) i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: clog10 (-2 - 3 i) == 0.5569716761534183846 - 0.9375544629863747085 i":
+double: 1
+float: 5
+idouble: 1
+ifloat: 5
+Test "Imaginary part of: clog10 (-3 + inf i) == inf + pi/2*log10(e) i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: clog10 (-3 - inf i) == inf - pi/2*log10(e) i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: clog10 (-inf + 0 i) == inf + pi*log10(e) i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: clog10 (-inf + 1 i) == inf + pi*log10(e) i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: clog10 (-inf - 0 i) == inf - pi*log10(e) i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: clog10 (-inf - 1 i) == inf - pi*log10(e) i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: clog10 (0 + inf i) == inf + pi/2*log10(e) i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: clog10 (0 - inf i) == inf - pi/2*log10(e) i":
+float: 1
+ifloat: 1
+Test "Real part of: clog10 (0.7 + 1.2 i) == 0.1427786545038868803 + 0.4528483579352493248 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: clog10 (0.7 + 1.2 i) == 0.1427786545038868803 + 0.4528483579352493248 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: clog10 (3 + inf i) == inf + pi/2*log10(e) i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: clog10 (3 - inf i) == inf - pi/2*log10(e) i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: clog10 (inf + inf i) == inf + pi/4*log10(e) i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: clog10 (inf - inf i) == inf - pi/4*log10(e) i":
+float: 1
+ifloat: 1
+
+# cos
+Test "cos (0.7) == 0.7648421872844884262":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "cos (M_PI_6l * 2.0) == 0.5":
+double: 1
+float: 0.5
+idouble: 1
+ifloat: 0.5
+Test "cos (M_PI_6l * 4.0) == -0.5":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+Test "cos (pi/2) == 0":
+double: 0.2758
+float: 0.3667
+idouble: 0.2758
+ifloat: 0.3667
+
+# cpow
+Test "Real part of: cpow (2 + 3 i, 4 + 0 i) == -119.0 - 120.0 i":
+double: 1
+float: 4
+idouble: 1
+ifloat: 4
+Test "Imaginary part of: cpow (2 + 3 i, 4 + 0 i) == -119.0 - 120.0 i":
+float: 2
+ifloat: 2
+Test "Imaginary part of: cpow (e + 0 i, 0 + 2 * M_PIl i) == 1.0 + 0.0 i":
+double: 1.1031
+float: 2
+idouble: 1.1031
+ifloat: 2
+
+# csin
+Test "Imaginary part of: csin (0.7 + 1.2 i) == 1.1664563419657581376 + 1.1544997246948547371 i":
+float: 1
+ifloat: 1
+
+# csinh
+Test "Imaginary part of: csinh (-2 - 3 i) == 3.5905645899857799520 - 0.5309210862485198052 i":
+double: 1
+idouble: 1
+Test "Real part of: csinh (0.7 + 1.2 i) == 0.27487868678117583582 + 1.1698665727426565139 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: csinh (0.7 + 1.2 i) == 0.27487868678117583582 + 1.1698665727426565139 i":
+float: 1
+ifloat: 1
+
+# csqrt
+Test "Real part of: csqrt (-2 + 3 i) == 0.8959774761298381247 + 1.6741492280355400404 i":
+float: 1
+ifloat: 1
+Test "Real part of: csqrt (-2 - 3 i) == 0.8959774761298381247 - 1.6741492280355400404 i":
+float: 1
+ifloat: 1
+Test "Real part of: csqrt (0.7 + 1.2 i) == 1.0220676100300264507 + 0.5870453129635652115 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: csqrt (0.7 + 1.2 i) == 1.0220676100300264507 + 0.5870453129635652115 i":
+float: 1
+ifloat: 1
+
+# ctan
+Test "Real part of: ctan (-2 - 3 i) == 0.0037640256415042482 - 1.0032386273536098014 i":
+double: 1
+idouble: 1
+Test "Real part of: ctan (0.7 + 1.2 i) == 0.1720734197630349001 + 0.9544807059989405538 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: ctan (0.7 + 1.2 i) == 0.1720734197630349001 + 0.9544807059989405538 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+# ctanh
+Test "Real part of: ctanh (-2 - 3 i) == -0.9653858790221331242 + 0.0098843750383224937 i":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+Test "Imaginary part of: ctanh (0 + pi/4 i) == 0.0 + 1.0 i":
+float: 1
+ifloat: 1
+Test "Real part of: ctanh (0.7 + 1.2 i) == 1.3472197399061191630 + 0.4778641038326365540 i":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+Test "Imaginary part of: ctanh (0.7 + 1.2 i) == 1.3472197399061191630 + 0.4778641038326365540 i":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+
+# erfc
+Test "erfc (0.7) == 0.32219880616258152702":
+double: 1
+idouble: 1
+Test "erfc (1.2) == 0.089686021770364619762":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+Test "erfc (2.0) == 0.0046777349810472658379":
+double: 1
+idouble: 1
+Test "erfc (4.1) == 0.67000276540848983727e-8":
+double: 24
+float: 12
+idouble: 24
+ifloat: 12
+
+# exp10
+Test "exp10 (-1) == 0.1":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+Test "exp10 (0.7) == 5.0118723362727228500":
+float: 1
+ifloat: 1
+Test "exp10 (3) == 1000":
+double: 6
+float: 2
+idouble: 6
+ifloat: 2
+
+# expm1
+Test "expm1 (1) == M_El - 1.0":
+float: 1
+ifloat: 1
+
+# fmod
+Test "fmod (-6.5, -2.3) == -1.9":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+Test "fmod (-6.5, 2.3) == -1.9":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+Test "fmod (6.5, -2.3) == 1.9":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+Test "fmod (6.5, 2.3) == 1.9":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+
+# hypot
+Test "hypot (-0.7, -12.4) == 12.41974234837422060118":
+float: 1
+ifloat: 1
+Test "hypot (-0.7, 12.4) == 12.41974234837422060118":
+float: 1
+ifloat: 1
+Test "hypot (-12.4, -0.7) == 12.41974234837422060118":
+float: 1
+ifloat: 1
+Test "hypot (-12.4, 0.7) == 12.41974234837422060118":
+float: 1
+ifloat: 1
+Test "hypot (0.7, -12.4) == 12.41974234837422060118":
+float: 1
+ifloat: 1
+Test "hypot (0.7, 1.2) == 1.3892443989449804508":
+double: 1
+idouble: 1
+Test "hypot (0.7, 12.4) == 12.41974234837422060118":
+float: 1
+ifloat: 1
+Test "hypot (12.4, -0.7) == 12.41974234837422060118":
+float: 1
+ifloat: 1
+Test "hypot (12.4, 0.7) == 12.41974234837422060118":
+float: 1
+ifloat: 1
+
+# j0
+Test "j0 (10.0) == -0.24593576445134833520":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+Test "j0 (2.0) == 0.22389077914123566805":
+float: 2
+ifloat: 2
+Test "j0 (8.0) == 0.17165080713755390609":
+float: 1
+ifloat: 1
+
+# j1
+Test "j1 (10.0) == 0.043472746168861436670":
+float: 2
+ifloat: 2
+Test "j1 (2.0) == 0.57672480775687338720":
+double: 1
+idouble: 1
+Test "j1 (8.0) == 0.23463634685391462438":
+double: 1
+idouble: 1
+
+# jn
+Test "jn (0, 10.0) == -0.24593576445134833520":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+Test "jn (0, 2.0) == 0.22389077914123566805":
+float: 2
+ifloat: 2
+Test "jn (0, 8.0) == 0.17165080713755390609":
+float: 1
+ifloat: 1
+Test "jn (1, 10.0) == 0.043472746168861436670":
+float: 2
+ifloat: 2
+Test "jn (1, 2.0) == 0.57672480775687338720":
+double: 1
+idouble: 1
+Test "jn (1, 8.0) == 0.23463634685391462438":
+double: 1
+idouble: 1
+Test "jn (10, 0.1) == 0.26905328954342155795e-19":
+double: 6
+float: 4
+idouble: 6
+ifloat: 4
+Test "jn (10, 0.7) == 0.75175911502153953928e-11":
+double: 3
+float: 1
+idouble: 3
+ifloat: 1
+Test "jn (10, 10.0) == 0.20748610663335885770":
+double: 4
+float: 3
+idouble: 4
+ifloat: 3
+Test "jn (10, 2.0) == 0.25153862827167367096e-6":
+float: 4
+ifloat: 4
+Test "jn (3, 0.1) == 0.000020820315754756261429":
+double: 1
+idouble: 1
+Test "jn (3, 0.7) == 0.0069296548267508408077":
+float: 1
+ifloat: 1
+Test "jn (3, 10.0) == 0.058379379305186812343":
+double: 3
+float: 1
+idouble: 3
+ifloat: 1
+Test "jn (3, 2.0) == 0.12894324947440205110":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+# lgamma
+Test "lgamma (0.7) == 0.26086724653166651439":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "lgamma (1.2) == -0.853740900033158497197e-1":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+# log
+Test "log (0.7) == -0.35667494393873237891":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+# log10
+Test "log10 (0.7) == -0.15490195998574316929":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "log10 (e) == log10(e)":
+float: 1
+ifloat: 1
+
+# log1p
+Test "log1p (-0.3) == -0.35667494393873237891":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+# log2
+Test "log2 (0.7) == -0.51457317282975824043":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+# sincos
+Test "sincos (0.7, &sin_res, &cos_res) puts 0.76484218728448842626 in cos_res":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "sincos (M_PI_6l*2.0, &sin_res, &cos_res) puts 0.5 in cos_res":
+double: 1
+float: 0.5
+idouble: 1
+ifloat: 0.5
+Test "sincos (M_PI_6l*2.0, &sin_res, &cos_res) puts 0.866025403784438646764 in sin_res":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "sincos (pi/2, &sin_res, &cos_res) puts 0 in cos_res":
+double: 0.2758
+float: 0.3667
+idouble: 0.2758
+ifloat: 0.3667
+Test "sincos (pi/6, &sin_res, &cos_res) puts 0.866025403784438646764 in cos_res":
+float: 1
+ifloat: 1
+
+# sinh
+Test "sinh (0.7) == 0.75858370183953350346":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+# tan
+Test "tan (pi/4) == 1":
+double: 0.5
+idouble: 0.5
+
+# tanh
+Test "tanh (0.7) == 0.60436777711716349631":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+# tgamma
+Test "tgamma (-0.5) == -2 sqrt (pi)":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "tgamma (0.5) == sqrt (pi)":
+float: 1
+ifloat: 1
+Test "tgamma (0.7) == 1.29805533264755778568":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+# y0
+Test "y0 (0.7) == -0.19066492933739506743":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+Test "y0 (1.0) == 0.088256964215676957983":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+Test "y0 (1.5) == 0.38244892379775884396":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+Test "y0 (10.0) == 0.055671167283599391424":
+float: 1
+ifloat: 1
+Test "y0 (8.0) == 0.22352148938756622053":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+# y1
+Test "y1 (0.1) == -6.4589510947020269877":
+double: 1
+idouble: 1
+Test "y1 (0.7) == -1.1032498719076333697":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "y1 (1.5) == -0.41230862697391129595":
+float: 1
+ifloat: 1
+Test "y1 (10.0) == 0.24901542420695388392":
+double: 3
+float: 1
+idouble: 3
+ifloat: 1
+Test "y1 (2.0) == -0.10703243154093754689":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "y1 (8.0) == -0.15806046173124749426":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+# yn
+Test "yn (0, 0.7) == -0.19066492933739506743":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+Test "yn (0, 1.0) == 0.088256964215676957983":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+Test "yn (0, 1.5) == 0.38244892379775884396":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+Test "yn (0, 10.0) == 0.055671167283599391424":
+float: 1
+ifloat: 1
+Test "yn (0, 8.0) == 0.22352148938756622053":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "yn (1, 0.1) == -6.4589510947020269877":
+double: 1
+idouble: 1
+Test "yn (1, 0.7) == -1.1032498719076333697":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "yn (1, 1.5) == -0.41230862697391129595":
+float: 1
+ifloat: 1
+Test "yn (1, 10.0) == 0.24901542420695388392":
+double: 3
+float: 1
+idouble: 3
+ifloat: 1
+Test "yn (1, 2.0) == -0.10703243154093754689":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "yn (1, 8.0) == -0.15806046173124749426":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+Test "yn (10, 0.1) == -0.11831335132045197885e19":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+Test "yn (10, 0.7) == -0.42447194260703866924e10":
+double: 3
+idouble: 3
+Test "yn (10, 1.0) == -0.12161801427868918929e9":
+double: 1
+idouble: 1
+Test "yn (10, 10.0) == -0.35981415218340272205":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "yn (10, 2.0) == -129184.54220803928264":
+double: 2
+idouble: 2
+Test "yn (3, 0.1) == -5099.3323786129048894":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "yn (3, 0.7) == -15.819479052819633505":
+double: 3
+float: 1
+idouble: 3
+ifloat: 1
+Test "yn (3, 10.0) == -0.25136265718383732978":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "yn (3, 2.0) == -1.1277837768404277861":
+double: 1
+idouble: 1
+
+# Maximal error of functions:
+Function: "asin":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: "atanh":
+double: 1
+idouble: 1
+
+Function: "cabs":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: Real part of "cacos":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: Imaginary part of "cacos":
+float: 1
+ifloat: 1
+
+Function: Real part of "cacosh":
+double: 1
+float: 7
+idouble: 1
+ifloat: 7
+
+Function: Imaginary part of "cacosh":
+double: 1
+float: 3
+idouble: 1
+ifloat: 3
+
+Function: Real part of "casin":
+double: 3
+float: 2
+idouble: 3
+ifloat: 2
+
+Function: Imaginary part of "casin":
+float: 1
+ifloat: 1
+
+Function: Real part of "casinh":
+double: 5
+float: 1
+idouble: 5
+ifloat: 1
+
+Function: Imaginary part of "casinh":
+double: 3
+float: 6
+idouble: 3
+ifloat: 6
+
+Function: Real part of "catan":
+float: 4
+ifloat: 4
+
+Function: Imaginary part of "catan":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: Real part of "catanh":
+double: 4
+float: 1
+idouble: 4
+ifloat: 1
+
+Function: Imaginary part of "catanh":
+double: 1
+float: 6
+idouble: 1
+ifloat: 6
+
+Function: "cbrt":
+double: 1
+idouble: 1
+
+Function: Real part of "ccos":
+double: 1
+idouble: 1
+
+Function: Imaginary part of "ccos":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: Real part of "ccosh":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: Imaginary part of "ccosh":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: Real part of "cexp":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: Imaginary part of "cexp":
+float: 1
+ifloat: 1
+
+Function: Imaginary part of "clog":
+double: 1
+float: 3
+idouble: 1
+ifloat: 3
+
+Function: Real part of "clog10":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: Imaginary part of "clog10":
+double: 1
+float: 5
+idouble: 1
+ifloat: 5
+
+Function: "cos":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+
+Function: Real part of "cpow":
+double: 1
+float: 4
+idouble: 1
+ifloat: 4
+
+Function: Imaginary part of "cpow":
+double: 1.1031
+float: 2
+idouble: 1.1031
+ifloat: 2
+
+Function: Imaginary part of "csin":
+float: 1
+ifloat: 1
+
+Function: Real part of "csinh":
+float: 1
+ifloat: 1
+
+Function: Imaginary part of "csinh":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: Real part of "csqrt":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: Imaginary part of "csqrt":
+float: 1
+ifloat: 1
+
+Function: Real part of "ctan":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: Imaginary part of "ctan":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: Real part of "ctanh":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: Imaginary part of "ctanh":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+
+Function: "erfc":
+double: 24
+float: 12
+idouble: 24
+ifloat: 12
+
+Function: "exp10":
+double: 6
+float: 2
+idouble: 6
+ifloat: 2
+
+Function: "expm1":
+float: 1
+ifloat: 1
+
+Function: "fmod":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+
+Function: "hypot":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "j0":
+double: 2
+float: 2
+idouble: 2
+ifloat: 2
+
+Function: "j1":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: "jn":
+double: 6
+float: 4
+idouble: 6
+ifloat: 4
+
+Function: "lgamma":
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+
+Function: "log":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "log10":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "log1p":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "log2":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "sincos":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "sinh":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "tan":
+double: 0.5
+idouble: 0.5
+
+Function: "tanh":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "tgamma":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+
+Function: "y0":
+double: 2
+float: 1
+idouble: 2
+ifloat: 1
+
+Function: "y1":
+double: 3
+float: 2
+idouble: 3
+ifloat: 2
+
+Function: "yn":
+double: 3
+float: 2
+idouble: 3
+ifloat: 2
+
+# end of automatic generation
diff --git a/sysdeps/s390/gmp-mparam.h b/sysdeps/s390/gmp-mparam.h
index 8de5b8de14..59aaff12cc 100644
--- a/sysdeps/s390/gmp-mparam.h
+++ b/sysdeps/s390/gmp-mparam.h
@@ -17,7 +17,7 @@
    You should have received a copy of the GNU Library General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If not,
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.
+   Boston, MA 02111-1307, USA. */
 
 #define BITS_PER_MP_LIMB 32
 #define BYTES_PER_MP_LIMB 4
diff --git a/sysdeps/s390/initfini.c b/sysdeps/s390/initfini.c
new file mode 100644
index 0000000000..e332a1d615
--- /dev/null
+++ b/sysdeps/s390/initfini.c
@@ -0,0 +1,149 @@
+/* Special .init and .fini section support for S/390.
+   Copyright (C) 2000 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 Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   In addition to the permissions in the GNU Library General Public
+   License, the Free Software Foundation gives you unlimited
+   permission to link the compiled version of this file with other
+   programs, and to distribute those programs without any restriction
+   coming from the use of this file.  (The Library General Public
+   License restrictions do apply in other respects; for example, they
+   cover modification of the file, and distribution when not linked
+   into another program.)
+
+   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 Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/* This file is compiled into assembly code which is then munged by a sed
+   script into two files: crti.s and crtn.s.
+
+   * crti.s puts a function prologue at the beginning of the
+   .init and .fini sections and defines global symbols for
+   those addresses, so they can be called as functions.
+
+   * crtn.s puts the corresponding function epilogues
+   in the .init and .fini sections. */
+
+__asm__ ("
+
+#include \"defs.h\"
+
+/*@HEADER_ENDS*/
+
+/*@TESTS_BEGIN*/
+
+/*@TESTS_END*/
+
+/*@_init_PROLOG_BEGINS*/
+
+	.section .init
+#NO_APP
+	.align 4
+.globl _init
+	.type	 _init,@function
+_init:
+#	leaf function           0
+#	automatics              0
+#	outgoing args           0
+#	need frame pointer      0
+#	call alloca             0
+#	has varargs             0
+#	incoming args (stack)   0
+#	function length         36
+	STM	6,15,24(15)
+	BRAS	13,.LTN1_0
+.LT1_0:
+.LC14:
+	.long	__gmon_start__@GOT
+.LC15:
+	.long	_GLOBAL_OFFSET_TABLE_-.LT1_0
+.LTN1_0:
+	LR	1,15
+	AHI	15,-96
+	ST	1,0(15)
+	L	12,.LC15-.LT1_0(13)
+	AR	12,13
+	L     1,.LC14-.LT1_0(13)
+	L     1,0(1,12)
+	LTR   1,1
+	JE    .L22
+	BASR  14,1
+.L22:
+#APP
+	ALIGN
+	END_INIT
+
+/*@_init_PROLOG_ENDS*/
+
+/*@_init_EPILOG_BEGINS*/
+	.align 4
+	.section .init
+#NO_APP
+	.align 4
+	L	4,152(15)
+	LM	6,15,120(15)
+	BR	4
+#APP
+	END_INIT
+
+/*@_init_EPILOG_ENDS*/
+
+/*@_fini_PROLOG_BEGINS*/
+	.section .fini
+#NO_APP
+	.align 4
+.globl _fini
+	.type	 _fini,@function
+_fini:
+#	leaf function           0
+#	automatics              0
+#	outgoing args           0
+#	need frame pointer      0
+#	call alloca             0
+#	has varargs             0
+#	incoming args (stack)   0
+#	function length         30
+	STM	6,15,24(15)
+	BRAS	13,.LTN2_0
+.LT2_0:
+.LC17:
+	.long	_GLOBAL_OFFSET_TABLE_-.LT2_0
+.LTN2_0:
+	LR	1,15
+	AHI	15,-96
+	ST	1,0(15)
+	L	12,.LC17-.LT2_0(13)
+	AR	12,13
+#APP
+	ALIGN
+	END_FINI
+
+/*@_fini_PROLOG_ENDS*/
+
+/*@_fini_EPILOG_BEGINS*/
+	.align 4
+	.section .fini
+#NO_APP
+	.align 4
+	L	4,152(15)
+	LM	6,15,120(15)
+	BR	4
+#APP
+	END_FINI
+
+/*@_fini_EPILOG_ENDS*/
+
+/*@TRAILER_BEGINS*/
+");
diff --git a/sysdeps/unix/sysv/linux/s390/Dist b/sysdeps/unix/sysv/linux/s390/Dist
index 27ba4f9d0e..9178cf74ab 100644
--- a/sysdeps/unix/sysv/linux/s390/Dist
+++ b/sysdeps/unix/sysv/linux/s390/Dist
@@ -4,4 +4,5 @@ setresgid.c
 setfsuid.c
 setfsgid.c
 sys/elf.h
+sys/procfs.h
 sys/user.h