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authorUlrich Drepper <drepper@redhat.com>2000-06-12 22:13:56 +0000
committerUlrich Drepper <drepper@redhat.com>2000-06-12 22:13:56 +0000
commit30010c63998925c94234aea9aeee67bdb6d04e37 (patch)
treed0a3123785a7f826cdae5521e56a27c6bf329a62 /sysdeps/sh/sh4/fpu
parent3846ef75cf3309e2e8264c81fb510cdd54bee4fd (diff)
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Update.
2000-06-12 Jes Sorensen <jes@linuxcare.com> * sysdeps/unix/sysv/linux/ia64/kernel_stat.h: New file. * sysdeps/unix/sysv/linux/ia64/xstatconv.c: New file. * sysdeps/unix/sysv/linux/ia64/bits/stat.h: New file. * sysdeps/unix/sysv/linux/ia64/fxstat64.c: New file. * sysdeps/unix/sysv/linux/ia64/lxstat64.c: New file. * sysdeps/unix/sysv/linux/ia64/xstat64.c: New file.
Diffstat (limited to 'sysdeps/sh/sh4/fpu')
-rw-r--r--sysdeps/sh/sh4/fpu/bits/fenv.h72
-rw-r--r--sysdeps/sh/sh4/fpu/bits/huge_val.h105
-rw-r--r--sysdeps/sh/sh4/fpu/bits/mathdef.h90
3 files changed, 267 insertions, 0 deletions
diff --git a/sysdeps/sh/sh4/fpu/bits/fenv.h b/sysdeps/sh/sh4/fpu/bits/fenv.h
new file mode 100644
index 0000000000..c309cf0e0b
--- /dev/null
+++ b/sysdeps/sh/sh4/fpu/bits/fenv.h
@@ -0,0 +1,72 @@
+/* Copyright (C) 1999, 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.
+
+ 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_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 FPU control word. */
+enum
+ {
+ FE_INEXACT = 0x04,
+#define FE_INEXACT FE_INEXACT
+ FE_UNDERFLOW = 0x08,
+#define FE_UNDERFLOW FE_UNDERFLOW
+ FE_OVERFLOW = 0x10,
+#define FE_OVERFLOW FE_OVERFLOW
+ FE_DIVBYZERO = 0x20,
+#define FE_DIVBYZERO FE_DIVBYZERO
+ FE_INVALID = 0x40,
+#define FE_INVALID FE_INVALID
+ };
+
+#define FE_ALL_EXCEPT \
+ (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)
+
+/* The SH FPU supports all of the four defined rounding modes. We
+ use again the bit positions in the FPU control word as the values
+ for the appropriate macros. */
+enum
+ {
+ FE_TONEAREST = 0x0,
+#define FE_TONEAREST FE_TONEAREST
+ FE_TOWARDZERO = 0x1,
+#define FE_TOWARDZERO FE_TOWARDZERO
+ FE_UPWARD = 0x2,
+#define FE_UPWARD FE_UPWARD
+ FE_DOWNWARD = 0x3
+#define FE_DOWNWARD FE_DOWNWARD
+ };
+
+
+/* Type representing exception flags. */
+typedef unsigned short int fexcept_t;
+
+
+/* Type representing floating-point environment. This function corresponds
+ to the layout of the block written by the `fstenv'. */
+typedef struct
+ {
+ unsigned int __fpscr;
+ }
+fenv_t;
+
+/* If the default argument is used we use this value. */
+#define FE_DFL_ENV ((fenv_t *) -1)
diff --git a/sysdeps/sh/sh4/fpu/bits/huge_val.h b/sysdeps/sh/sh4/fpu/bits/huge_val.h
new file mode 100644
index 0000000000..d404ddf87a
--- /dev/null
+++ b/sysdeps/sh/sh4/fpu/bits/huge_val.h
@@ -0,0 +1,105 @@
+/* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity).
+ Used by <stdlib.h> and <math.h> functions for overflow.
+ SH version.
+ Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 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.
+
+ 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 _MATH_H
+# error "Never use <bits/huge_val.h> directly; include <math.h> instead."
+#endif
+
+#include <features.h>
+
+/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
+
+#ifdef __GNUC__
+
+# if __GNUC_PREREQ(2,95)
+
+# define HUGE_VAL (0x1.0p2047)
+
+# else
+
+# define HUGE_VAL \
+ (__extension__ \
+ ((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
+ { __l: 0x000000007ff00000ULL }).__d)
+
+# endif
+
+#else /* not GCC */
+
+# include <endian.h>
+
+typedef union { unsigned char __c[8]; double __d; } __huge_val_t;
+
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define __HUGE_VAL_bytes { 0, 0, 0, 0, 0x7f, 0xf0, 0, 0 }
+# endif
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+# define __HUGE_VAL_bytes { 0, 0, 0xf0, 0x7f, 0, 0, 0, 0 }
+# endif
+
+static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
+# define HUGE_VAL (__huge_val.__d)
+
+#endif /* GCC. */
+
+
+/* ISO C99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */
+
+#ifdef __USE_ISOC99
+
+# ifdef __GNUC__
+
+# if __GNUC_PREREQ(2,95)
+
+# define HUGE_VALF (0x1.0p255f)
+
+# else
+
+# define HUGE_VALF \
+ (__extension__ \
+ ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \
+ { __l: 0x7f800000UL }).__d)
+
+# endif
+
+# else /* not GCC */
+
+typedef union { unsigned char __c[4]; float __f; } __huge_valf_t;
+
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
+# endif
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+# define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f }
+# endif
+
+static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
+# define HUGE_VALF (__huge_valf.__f)
+
+# endif /* GCC. */
+
+
+/* Generally there is no separate `long double' format and it is the
+ same as `double'. */
+# define HUGE_VALL HUGE_VAL
+
+#endif /* __USE_ISOC99. */
diff --git a/sysdeps/sh/sh4/fpu/bits/mathdef.h b/sysdeps/sh/sh4/fpu/bits/mathdef.h
new file mode 100644
index 0000000000..577a596843
--- /dev/null
+++ b/sysdeps/sh/sh4/fpu/bits/mathdef.h
@@ -0,0 +1,90 @@
+/* Copyright (C) 1997, 1998, 1999 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.
+
+ 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. */
+
+#if !defined _MATH_H && !defined _COMPLEX_H
+# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
+#endif
+
+
+/* FIXME! This file describes properties of the compiler, not the machine;
+ it should not be part of libc!
+
+ FIXME! This file does not deal with the -fshort-double option of
+ gcc! */
+
+#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
+# define _MATH_H_MATHDEF 1
+
+# ifdef __GNUC__
+# if __STDC__ == 1
+
+/* In GNU or ANSI mode, gcc leaves `float' expressions as-is. */
+typedef float float_t; /* `float' expressions are evaluated as
+ `float'. */
+typedef double double_t; /* `double' expressions are evaluated as
+ `double'. */
+
+/* Signal that types stay as they were declared. */
+# define FLT_EVAL_METHOD 0
+
+/* Define `INFINITY' as value of type `float'. */
+# define INFINITY HUGE_VALF
+
+# else
+
+/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
+typedef double float_t; /* `float' expressions are evaluated as
+ `double'. */
+typedef double double_t; /* `double' expressions are evaluated as
+ `double'. */
+
+/* Signal that both types are `double'. */
+# define FLT_EVAL_METHOD 1
+
+/* Define `INFINITY' as value of type `float'. */
+# define INFINITY HUGE_VALF
+
+# endif
+# else
+
+/* Wild guess at types for float_t and double_t. */
+typedef double float_t;
+typedef double double_t;
+
+/* Strange compiler, we don't know how it works. */
+# define FLT_EVAL_METHOD -1
+
+/* Define `INFINITY' as value of type `float'. */
+# define INFINITY HUGE_VALF
+
+# endif
+
+/* The values returned by `ilogb' for 0 and NaN respectively. */
+# define FP_ILOGB0 0x80000001
+# define FP_ILOGBNAN 0x7fffffff
+
+/* Number of decimal digits for the `double' type. */
+# define DECIMAL_DIG 15
+
+#endif /* ISO C99 */
+
+#ifndef __NO_LONG_DOUBLE_MATH
+/* Signal that we do not really have a `long double'. The disables the
+ declaration of all the `long double' function variants. */
+# define __NO_LONG_DOUBLE_MATH 1
+#endif