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authorMike Frysinger <vapier@gentoo.org>2005-11-10 03:14:01 +0000
committerMike Frysinger <vapier@gentoo.org>2005-11-10 03:14:01 +0000
commit31307f870770f7af155f434fffea455fe6b5f29c (patch)
tree2bf0144171231e2cb1a78987defceb22863e3a7f /libc/sysdeps/linux/arm/bits/fenv.h
parentafe62a07d12e83f5c9ec0a403e360529553733c4 (diff)
add support for cirrus maverick fpu using patch for glibc http://yann.poupet.free.fr/ep93xx/
Diffstat (limited to 'libc/sysdeps/linux/arm/bits/fenv.h')
-rw-r--r--libc/sysdeps/linux/arm/bits/fenv.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/arm/bits/fenv.h b/libc/sysdeps/linux/arm/bits/fenv.h
index 7bd242385..3764d7749 100644
--- a/libc/sysdeps/linux/arm/bits/fenv.h
+++ b/libc/sysdeps/linux/arm/bits/fenv.h
@@ -20,6 +20,45 @@
# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
#endif
+#ifdef __MAVERICK__
+
+/* Define bits representing exceptions in the FPU status word. */
+enum
+ {
+ FE_INVALID = 1,
+#define FE_INVALID FE_INVALID
+ FE_OVERFLOW = 4,
+#define FE_OVERFLOW FE_OVERFLOW
+ FE_UNDERFLOW = 8,
+#define FE_UNDERFLOW FE_UNDERFLOW
+ FE_INEXACT = 16,
+#define FE_INEXACT FE_INEXACT
+ };
+
+/* Amount to shift by to convert an exception to a mask bit. */
+#define FE_EXCEPT_SHIFT 5
+
+/* All supported exceptions. */
+#define FE_ALL_EXCEPT \
+ (FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW | FE_INEXACT)
+
+/* IEEE rounding modes. */
+enum
+ {
+ FE_TONEAREST = 0,
+#define FE_TONEAREST FE_TONEAREST
+ FE_TOWARDZERO = 0x400,
+#define FE_TOWARDZERO FE_TOWARDZERO
+ FE_DOWNWARD = 0x800,
+#define FE_DOWNWARD FE_DOWNWARD
+ FE_UPWARD = 0xc00,
+#define FE_UPWARD FE_UPWARD
+ };
+
+#define FE_ROUND_MASK (FE_UPWARD)
+
+#else /* !__MAVERICK__ */
+
/* Define bits representing exceptions in the FPU status word. */
enum
{
@@ -44,6 +83,8 @@ enum
modes exist, but you have to encode them in the actual instruction. */
#define FE_TONEAREST 0
+#endif /* __MAVERICK__ */
+
/* Type representing exception flags. */
typedef unsigned long int fexcept_t;