[uClibc-cvs] svn commit: trunk/uClibc/libc/sysdeps/linux/arm/bits
vapier at uclibc.org
vapier at uclibc.org
Thu Aug 4 22:35:14 UTC 2005
Author: vapier
Date: 2005-08-04 16:35:13 -0600 (Thu, 04 Aug 2005)
New Revision: 11047
Log:
yvasilev writes in Bug 235:
uClibc uses wrong word order in vfp floating point arithmetic.
I found this using my modification to N. Pitre's soft-float gcc patch, but this modifications were
made just to allow gcc to compile code for armv4l, while nothing about fp arithmetic was changed.
Modified:
trunk/uClibc/libc/sysdeps/linux/arm/bits/endian.h
Changeset:
Modified: trunk/uClibc/libc/sysdeps/linux/arm/bits/endian.h
===================================================================
--- trunk/uClibc/libc/sysdeps/linux/arm/bits/endian.h 2005-08-04 22:17:55 UTC (rev 11046)
+++ trunk/uClibc/libc/sysdeps/linux/arm/bits/endian.h 2005-08-04 22:35:13 UTC (rev 11047)
@@ -1,4 +1,7 @@
-/* ARM is (usually) little-endian but with a big-endian FPU. */
+/* ARM is (usually) little-endian.
+ * Older FPU style (FPA) is always big-endian.
+ * Newer FPU style (VFP) is same as host byte-order.
+ */
#ifndef _ENDIAN_H
# error "Never use <bits/endian.h> directly; include <endian.h> instead."
@@ -9,4 +12,8 @@
#else
#define __BYTE_ORDER __LITTLE_ENDIAN
#endif
+#ifdef __VFP_FP__
+#define __FLOAT_WORD_ORDER __BYTE_ORDER
+#else
#define __FLOAT_WORD_ORDER __BIG_ENDIAN
+#endif
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