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r177701 - in /trunk/gcc: ChangeLog builtins.c d...
- From: nickc at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Fri, 12 Aug 2011 16:26:11 -0000
- Subject: r177701 - in /trunk/gcc: ChangeLog builtins.c d...
Author: nickc
Date: Fri Aug 12 16:26:11 2011
New Revision: 177701
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=177701
Log:
* builtins.c (expand_builtin_memcmp): Do not use cmpstrnsi
pattern.
* doc/md.texi (cmpstrn): Note that the comparison stops if both
fetched bytes are zero.
(cmpstr): Likewise.
(cmpmem): Note that the comparison does not stop if both of the
fetched bytes are zero.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/builtins.c
trunk/gcc/doc/md.texi