sparc64: Add membar to Niagara2 memcpy code.
This is the prevent previous stores from overlapping the block stores done by the memcpy loop. Based upon a glibc patch by Jose E. Marchesi Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -236,6 +236,7 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
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*/
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VISEntryHalf
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membar #Sync
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alignaddr %o1, %g0, %g0
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add %o1, (64 - 1), %o4
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