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-rw-r--r--libc/sysdeps/linux/powerpc/bits/fenvinline.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/powerpc/bits/fenvinline.h b/libc/sysdeps/linux/powerpc/bits/fenvinline.h
new file mode 100644
index 000000000..552c8c9db
--- /dev/null
+++ b/libc/sysdeps/linux/powerpc/bits/fenvinline.h
@@ -0,0 +1,59 @@
+/* Inline floating-point environment handling functions for powerpc.
+ Copyright (C) 1995, 1996, 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 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 __GNUC__ && !defined _SOFT_FLOAT && !defined __NO_MATH_INLINES
+
+/* Inline definition for fegetround. */
+# define fegetround() \
+ (__extension__ ({ int __fegetround_result; \
+ __asm__ ("mcrfs 7,7 ; mfcr %0" \
+ : "=r"(__fegetround_result) : : "cr7"); \
+ __fegetround_result & 3; }))
+
+/* The weird 'i#*X' constraints on the following suppress a gcc
+ warning when __excepts is not a constant. Otherwise, they mean the
+ same as just plain 'i'. */
+
+/* Inline definition for feraiseexcept. */
+# define feraiseexcept(__excepts) \
+ ((__builtin_constant_p (__excepts) \
+ && ((__excepts) & ((__excepts)-1)) == 0 \
+ && (__excepts) != FE_INVALID) \
+ ? ((__excepts) != 0 \
+ ? (__extension__ ({ __asm__ __volatile__ \
+ ("mtfsb1 %s0" \
+ : : "i#*X"(__builtin_ffs (__excepts))); \
+ 0; })) \
+ : 0) \
+ : (feraiseexcept) (__excepts))
+
+/* Inline definition for feclearexcept. */
+# define feclearexcept(__excepts) \
+ ((__builtin_constant_p (__excepts) \
+ && ((__excepts) & ((__excepts)-1)) == 0 \
+ && (__excepts) != FE_INVALID) \
+ ? ((__excepts) != 0 \
+ ? (__extension__ ({ __asm__ __volatile__ \
+ ("mtfsb0 %s0" \
+ : : "i#*X"(__builtin_ffs (__excepts))); \
+ 0; })) \
+ : 0) \
+ : (feclearexcept) (__excepts))
+
+#endif /* __GNUC__ && !_SOFT_FLOAT */