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authorAlan Modra <amodra@gmail.com>2013-08-17 18:40:48 +0930
committerAlan Modra <amodra@gmail.com>2013-10-04 10:39:42 +0930
commit33ee81de05e83ce12f32a491270bb4c1611399c7 (patch)
treebe23e09b15939752f6c48310d8674ea97dcb2c9a /ChangeLog
parentdb9b4570c5dc550074140ac1d1677077fba29a26 (diff)
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PowerPC LE strnlen
http://sourceware.org/ml/libc-alpha/2013-08/msg00098.html

The existing strnlen code has a number of defects, so this patch is more
than just adding little-endian support.  The changes here are similar to
those for memchr.

	* sysdeps/powerpc/powerpc64/power7/strnlen.S (strnlen): Add
	little-endian support.  Remove unnecessary "are we done" tests.
	Handle "s" wrapping around zero and extremely large "size".
	Correct main loop count.  Handle single left-over word from main
	loop inline rather than by using small_loop.  Correct comments.
	Delete "zero" tail, use "end_max" instead.
	* sysdeps/powerpc/powerpc32/power7/strnlen.S: Likewise.
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 2013-10-04  Alan Modra  <amodra@gmail.com>
 
+	* sysdeps/powerpc/powerpc64/power7/strnlen.S (strnlen): Add
+	little-endian support.  Remove unnecessary "are we done" tests.
+	Handle "s" wrapping around zero and extremely large "size".
+	Correct main loop count.  Handle single left-over word from main
+	loop inline rather than by using small_loop.  Correct comments.
+	Delete "zero" tail, use "end_max" instead.
+	* sysdeps/powerpc/powerpc32/power7/strnlen.S: Likewise.
+
+2013-10-04  Alan Modra  <amodra@gmail.com>
+
 	* sysdeps/powerpc/powerpc64/power7/strlen.S (strlen): Add little-endian
 	support.  Don't branch over align.
 	* sysdeps/powerpc/powerpc32/power7/strlen.S: Likewise.