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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/sparc/fpu
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'sysdeps/sparc/fpu')
-rw-r--r--sysdeps/sparc/fpu/bits/mathdef.h68
-rw-r--r--sysdeps/sparc/fpu/bits/mathinline.h81
-rw-r--r--sysdeps/sparc/fpu/feholdexcpt.c3
-rw-r--r--sysdeps/sparc/fpu/fesetround.c3
-rw-r--r--sysdeps/sparc/fpu/fraiseexcpt.c34
5 files changed, 98 insertions, 91 deletions
diff --git a/sysdeps/sparc/fpu/bits/mathdef.h b/sysdeps/sparc/fpu/bits/mathdef.h
deleted file mode 100644
index e76735b..0000000
--- a/sysdeps/sparc/fpu/bits/mathdef.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/* Copyright (C) 1997, 1998, 1999, 2000, 2004 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, 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
-
-#include <bits/wordsize.h>
-
-/* FIXME! This file describes properties of the compiler, not the machine;
- it should not be part of libc! */
-
-#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;
-typedef double double_t;
-
-# else
-
-/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
-typedef double float_t;
-typedef double double_t;
-
-# endif
-# else
-
-/* Wild guess at types for float_t and double_t. */
-typedef double float_t;
-typedef double double_t;
-
-# endif
-
-/* The values returned by `ilogb' for 0 and NaN respectively. */
-# define FP_ILOGB0 (-2147483647)
-# define FP_ILOGBNAN (2147483647)
-
-#endif /* ISO C99 */
-
-#ifndef __NO_LONG_DOUBLE_MATH
-
-# if __WORDSIZE == 32
-/* Signal that in 32bit ABI 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
-
-#endif
diff --git a/sysdeps/sparc/fpu/bits/mathinline.h b/sysdeps/sparc/fpu/bits/mathinline.h
index 7add493..9dd784d 100644
--- a/sysdeps/sparc/fpu/bits/mathinline.h
+++ b/sysdeps/sparc/fpu/bits/mathinline.h
@@ -1,5 +1,6 @@
/* Inline math functions for SPARC.
- Copyright (C) 1999, 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2000, 2001, 2002, 2004, 2006
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>.
@@ -36,23 +37,52 @@
# if __WORDSIZE == 32
-# define __unordered_cmp(x, y) \
+# ifndef __NO_LONG_DOUBLE_MATH
+
+# define __unordered_cmp(x, y) \
(__extension__ \
({ unsigned __r; \
- if (sizeof(x) == 4 && sizeof(y) == 4) \
+ if (sizeof (x) == 4 && sizeof (y) == 4) \
{ \
float __x = (x); float __y = (y); \
- __asm__("fcmps %1,%2; st %%fsr, %0" : "=m" (__r) : "f" (__x), \
- "f" (__y) : "cc"); \
+ __asm__ ("fcmps %1,%2; st %%fsr, %0" : "=m" (__r) : "f" (__x), \
+ "f" (__y) : "cc"); \
+ } \
+ else if (sizeof (x) <= 8 && sizeof (y) <= 8) \
+ { \
+ double __x = (x); double __y = (y); \
+ __asm__ ("fcmpd\t%1,%2\n\tst\t%%fsr,%0" : "=m" (__r) : "f" (__x), \
+ "f" (__y) : "cc"); \
+ } \
+ else \
+ { \
+ long double __x = (x); long double __y = (y); \
+ extern int _Q_cmp (const long double a, const long double b); \
+ __r = _Q_cmp (__x, __y) << 10; \
+ } \
+ __r; }))
+
+# else
+
+# define __unordered_cmp(x, y) \
+ (__extension__ \
+ ({ unsigned __r; \
+ if (sizeof (x) == 4 && sizeof (y) == 4) \
+ { \
+ float __x = (x); float __y = (y); \
+ __asm__ ("fcmps %1,%2; st %%fsr, %0" : "=m" (__r) : "f" (__x), \
+ "f" (__y) : "cc"); \
} \
else \
{ \
double __x = (x); double __y = (y); \
- __asm__("fcmpd\t%1,%2\n\tst\t%%fsr,%0" : "=m" (__r) : "f" (__x), \
- "f" (__y) : "cc"); \
+ __asm__ ("fcmpd\t%1,%2\n\tst\t%%fsr,%0" : "=m" (__r) : "f" (__x), \
+ "f" (__y) : "cc"); \
} \
__r; }))
+# endif
+
# define isgreater(x, y) ((__unordered_cmp (x, y) & (3 << 10)) == (2 << 10))
# define isgreaterequal(x, y) ((__unordered_cmp (x, y) & (1 << 10)) == 0)
# define isless(x, y) ((__unordered_cmp (x, y) & (3 << 10)) == (1 << 10))
@@ -65,22 +95,22 @@
# define __unordered_v9cmp(x, y, op, qop) \
(__extension__ \
({ unsigned __r; \
- if (sizeof(x) == 4 && sizeof(y) == 4) \
+ if (sizeof (x) == 4 && sizeof (y) == 4) \
{ \
float __x = (x); float __y = (y); \
- __asm__("fcmps\t%%fcc3,%1,%2\n\tmov" op "\t%%fcc3,1,%0" \
- : "=r" (__r) : "f" (__x), "f" (__y), "0" (0) : "cc"); \
+ __asm__ ("fcmps\t%%fcc3,%1,%2\n\tmov" op "\t%%fcc3,1,%0" \
+ : "=r" (__r) : "f" (__x), "f" (__y), "0" (0) : "cc"); \
} \
- else if (sizeof(x) <= 8 && sizeof(y) <= 8) \
+ else if (sizeof (x) <= 8 && sizeof (y) <= 8) \
{ \
double __x = (x); double __y = (y); \
- __asm__("fcmpd\t%%fcc3,%1,%2\n\tmov" op "\t%%fcc3,1,%0" \
- : "=r" (__r) : "f" (__x), "f" (__y), "0" (0) : "cc"); \
+ __asm__ ("fcmpd\t%%fcc3,%1,%2\n\tmov" op "\t%%fcc3,1,%0" \
+ : "=r" (__r) : "f" (__x), "f" (__y), "0" (0) : "cc"); \
} \
else \
{ \
long double __x = (x); long double __y = (y); \
- extern int _Qp_cmp(const long double *a, const long double *b); \
+ extern int _Qp_cmp (const long double *a, const long double *b); \
__r = qop; \
} \
__r; }))
@@ -127,11 +157,20 @@ __NTH (__signbit (double __x))
return __u.__i[0] < 0;
}
+# ifndef __NO_LONG_DOUBLE_MATH
+__MATH_INLINE int
+__NTH (__signbitl (long double __x))
+{
+ __extension__ union { long double __l; int __i[4]; } __u = { __l: __x };
+ return __u.__i[0] < 0;
+}
+# else
__MATH_INLINE int
__NTH (__signbitl (long double __x))
{
return __signbit ((double)__x);
}
+# endif
# else /* sparc64 */
@@ -180,6 +219,13 @@ __NTH (sqrtl (long double __x))
_Qp_sqrt (&__r, &__x);
return __r;
}
+# elif !defined __NO_LONG_DOUBLE_MATH
+__MATH_INLINE long double
+sqrtl (long double __x) __THROW
+{
+ extern long double _Q_sqrt (__const__ long double);
+ return _Q_sqrt (__x);
+}
# endif /* sparc64 */
# endif /* !__NO_MATH_INLINES && !GCC 3.2+ */
@@ -211,6 +257,13 @@ __ieee754_sqrtl (long double __x)
_Qp_sqrt(&__r, &__x);
return __r;
}
+# elif !defined __NO_LONG_DOUBLE_MATH
+__MATH_INLINE long double
+__ieee754_sqrtl (long double __x)
+{
+ extern long double _Q_sqrt (__const__ long double);
+ return _Q_sqrt (__x);
+}
# endif /* sparc64 */
# endif /* __LIBC_INTERNAL_MATH_INLINES */
# endif /* gcc 2.8+ */
diff --git a/sysdeps/sparc/fpu/feholdexcpt.c b/sysdeps/sparc/fpu/feholdexcpt.c
index 3bd2b16..729637a 100644
--- a/sysdeps/sparc/fpu/feholdexcpt.c
+++ b/sysdeps/sparc/fpu/feholdexcpt.c
@@ -1,5 +1,5 @@
/* Store current floating-point environment and clear exceptions.
- Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 2005 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
@@ -33,3 +33,4 @@ feholdexcept (fenv_t *envp)
return 0;
}
+libm_hidden_def (feholdexcept)
diff --git a/sysdeps/sparc/fpu/fesetround.c b/sysdeps/sparc/fpu/fesetround.c
index b18b344..e3b441c 100644
--- a/sysdeps/sparc/fpu/fesetround.c
+++ b/sysdeps/sparc/fpu/fesetround.c
@@ -1,5 +1,5 @@
/* Set current rounding direction.
- Copyright (C) 1997 Free Software Foundation, Inc.
+ Copyright (C) 1997, 2005 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
@@ -35,3 +35,4 @@ fesetround (int round)
return 0;
}
+libm_hidden_def (fesetround)
diff --git a/sysdeps/sparc/fpu/fraiseexcpt.c b/sysdeps/sparc/fpu/fraiseexcpt.c
index 0d45ec8..cbb8be8 100644
--- a/sysdeps/sparc/fpu/fraiseexcpt.c
+++ b/sysdeps/sparc/fpu/fraiseexcpt.c
@@ -25,12 +25,12 @@
int
__feraiseexcept (int excepts)
{
- static volatile double sink;
static const struct {
double zero, one, max, min, sixteen, pi;
} c = {
0.0, 1.0, DBL_MAX, DBL_MIN, 16.0, M_PI
};
+ double d;
/* Raise exceptions represented by EXPECTS. But we must raise only
one signal at a time. It is important the if the overflow/underflow
@@ -39,24 +39,44 @@ __feraiseexcept (int excepts)
/* First: invalid exception. */
if ((FE_INVALID & excepts) != 0)
- /* One example of a invalid operation is 0/0. */
- sink = c.zero / c.zero;
+ {
+ /* One example of a invalid operation is 0/0. */
+ __asm ("" : "=e" (d) : "0" (c.zero));
+ d /= c.zero;
+ __asm __volatile ("" : : "e" (d));
+ }
/* Next: division by zero. */
if ((FE_DIVBYZERO & excepts) != 0)
- sink = c.one / c.zero;
+ {
+ __asm ("" : "=e" (d) : "0" (c.one));
+ d /= c.zero;
+ __asm __volatile ("" : : "e" (d));
+ }
/* Next: overflow. */
if ((FE_OVERFLOW & excepts) != 0)
- sink = c.max * c.max;
+ {
+ __asm ("" : "=e" (d) : "0" (c.max));
+ d *= d;
+ __asm __volatile ("" : : "e" (d));
+ }
/* Next: underflow. */
if ((FE_UNDERFLOW & excepts) != 0)
- sink = c.min / c.sixteen;
+ {
+ __asm ("" : "=e" (d) : "0" (c.min));
+ d /= c.sixteen;
+ __asm __volatile ("" : : "e" (d));
+ }
/* Last: inexact. */
if ((FE_INEXACT & excepts) != 0)
- sink = c.one / c.pi;
+ {
+ __asm ("" : "=e" (d) : "0" (c.one));
+ d /= c.pi;
+ __asm __volatile ("" : : "e" (d));
+ }
/* Success. */
return 0;