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authorWaldemar Brodkorb <wbx@openadk.org>2017-05-24 20:49:02 +0200
committerWaldemar Brodkorb <wbx@openadk.org>2017-06-23 23:46:04 +0200
commit041cdc2769407c4d3869b218ad7ee7638e1c306e (patch)
tree1ea25250d74dcb230cf5feee99226fc080dbd678 /libc/sysdeps/linux/sparc64/bits/mathinline.h
parent58a5ba12bffad5916d9897c2870fc483f1db8282 (diff)
sparc64: add basic support
No NPTL, no LDSO support. Bootup with Busybox Ash in Qemu working. Testuite shows only two failures, but mksh continue/break support doesn't work.
Diffstat (limited to 'libc/sysdeps/linux/sparc64/bits/mathinline.h')
-rw-r--r--libc/sysdeps/linux/sparc64/bits/mathinline.h197
1 files changed, 197 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sparc64/bits/mathinline.h b/libc/sysdeps/linux/sparc64/bits/mathinline.h
new file mode 100644
index 000000000..8bb35f6d8
--- /dev/null
+++ b/libc/sysdeps/linux/sparc64/bits/mathinline.h
@@ -0,0 +1,197 @@
+/* Inline math functions for SPARC.
+ Copyright (C) 1999, 2000, 2001, 2002, 2004, 2006
+ Free Software Foundation, Inc.
+ Contributed by Jakub Jelinek <jakub@redhat.com>.
+
+ 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 _MATH_H
+# error "Never use <bits/mathinline.h> directly; include <math.h> instead."
+#endif
+
+#ifdef __GNUC__
+
+#if defined __USE_ISOC99 && !__GNUC_PREREQ (3, 0)
+# undef isgreater
+# undef isgreaterequal
+# undef isless
+# undef islessequal
+# undef islessgreater
+# undef isunordered
+
+# define __unordered_v9cmp(x, y, op, qop) \
+ (__extension__ \
+ ({ unsigned __r; \
+ 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"); \
+ } \
+ 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"); \
+ } \
+ else \
+ { \
+ long double __x = (x); long double __y = (y); \
+ extern int _Qp_cmp (const long double *a, const long double *b); \
+ __r = qop; \
+ } \
+ __r; }))
+
+# define isgreater(x, y) __unordered_v9cmp(x, y, "g", _Qp_cmp (&__x, &__y) == 2)
+# define isgreaterequal(x, y) __unordered_v9cmp(x, y, "ge", (_Qp_cmp (&__x, &__y) & 1) == 0)
+# define isless(x, y) __unordered_v9cmp(x, y, "l", _Qp_cmp (&__x, &__y) == 1)
+# define islessequal(x, y) __unordered_v9cmp(x, y, "le", (_Qp_cmp (&__x, &__y) & 2) == 0)
+# define islessgreater(x, y) __unordered_v9cmp(x, y, "lg", ((_Qp_cmp (&__x, &__y) + 1) & 2) != 0)
+# define isunordered(x, y) __unordered_v9cmp(x, y, "u", _Qp_cmp (&__x, &__y) == 3)
+
+#endif /* __USE_ISOC99 */
+
+#if (!defined __NO_MATH_INLINES || defined __LIBC_INTERNAL_MATH_INLINES) && defined __OPTIMIZE__
+
+# ifdef __cplusplus
+# define __MATH_INLINE __inline
+# else
+# define __MATH_INLINE __extern_inline
+# endif /* __cplusplus */
+
+/* The gcc, version 2.7 or below, has problems with all this inlining
+ code. So disable it for this version of the compiler. */
+# if __GNUC_PREREQ (2, 8)
+
+# ifdef __USE_ISOC99
+
+/* Test for negative number. Used in the signbit() macro. */
+__MATH_INLINE int
+__NTH (__signbitf (float __x))
+{
+ __extension__ union { float __f; int __i; } __u = { __f: __x };
+ return __u.__i < 0;
+}
+
+__MATH_INLINE int
+__NTH (__signbit (double __x))
+{
+ __extension__ union { double __d; long int __i; } __u = { __d: __x };
+ return __u.__i < 0;
+}
+
+__MATH_INLINE int
+__NTH (__signbitl (long double __x))
+{
+ __extension__ union { long double __l; long int __i[2]; } __u = { __l: __x };
+ return __u.__i[0] < 0;
+}
+
+# endif /* __USE_ISOC99 */
+
+# if !defined __NO_MATH_INLINES && !__GNUC_PREREQ (3, 2)
+
+__MATH_INLINE double
+__NTH (sqrt (double __x))
+{
+ register double __r;
+ __asm__ ("fsqrtd %1,%0" : "=f" (__r) : "f" (__x));
+ return __r;
+}
+
+__MATH_INLINE float
+__NTH (sqrtf (float __x))
+{
+ register float __r;
+ __asm__ ("fsqrts %1,%0" : "=f" (__r) : "f" (__x));
+ return __r;
+}
+
+__MATH_INLINE long double
+__NTH (sqrtl (long double __x))
+{
+ long double __r;
+ extern void _Qp_sqrt (long double *, __const__ long double *);
+ _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 /* !__NO_MATH_INLINES && !GCC 3.2+ */
+
+/* This code is used internally in the GNU libc. */
+# ifdef __LIBC_INTERNAL_MATH_INLINES
+__MATH_INLINE double
+__ieee754_sqrt (double __x)
+{
+ register double __r;
+ __asm__ ("fsqrtd %1,%0" : "=f" (__r) : "f" (__x));
+ return __r;
+}
+
+__MATH_INLINE float
+__ieee754_sqrtf (float __x)
+{
+ register float __r;
+ __asm__ ("fsqrts %1,%0" : "=f" (__r) : "f" (__x));
+ return __r;
+}
+
+__MATH_INLINE long double
+__ieee754_sqrtl (long double __x)
+{
+ long double __r;
+ extern void _Qp_sqrt (long double *, __const__ long double *);
+ _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 /* __LIBC_INTERNAL_MATH_INLINES */
+# endif /* gcc 2.8+ */
+
+# ifdef __USE_ISOC99
+
+# ifndef __NO_MATH_INLINES
+
+__MATH_INLINE double __NTH (fdim (double __x, double __y));
+__MATH_INLINE double
+__NTH (fdim (double __x, double __y))
+{
+ return __x <= __y ? 0 : __x - __y;
+}
+
+__MATH_INLINE float __NTH (fdimf (float __x, float __y));
+__MATH_INLINE float
+__NTH (fdimf (float __x, float __y))
+{
+ return __x <= __y ? 0 : __x - __y;
+}
+
+# endif /* !__NO_MATH_INLINES */
+# endif /* __USE_ISOC99 */
+#endif /* !__NO_MATH_INLINES && __OPTIMIZE__ */
+#endif /* __GNUC__ */