changeset fd92c46655ad in /z/repo/gem5
details: http://repo.gem5.org/gem5?cmd=changeset;node=fd92c46655ad
description:
ARM: Fix valgrind reported error on O3 that was causing minor stats
changes.
diffstat:
src/arch/arm/linux/atag.hh | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diffs (15 lines):
diff -r c92153af04ac -r fd92c46655ad src/arch/arm/linux/atag.hh
--- a/src/arch/arm/linux/atag.hh Fri Mar 09 09:59:25 2012 -0500
+++ b/src/arch/arm/linux/atag.hh Fri Mar 09 09:59:26 2012 -0500
@@ -156,7 +156,10 @@
delete[] storage;
storage = new uint32_t[size()];
-
+ // Initialize the last byte of memory here beacuse it might be slightly
+ // longer than needed and mis-speculation of the NULL in the O3 CPU can
+ // change stats ever so slightly when that happens.
+ storage[size() - 1] = 0;
strcpy((char*)&storage[2] , s.c_str());
}
AtagCmdline()
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