[PATCH] Alpha: strncpy() fix
As it turned out after recent SCSI changes, strncpy() was broken - it mixed up the return values from __stxncpy() in registers $24 and $27. Thanks to Mathieu Chouquet-Stringer for tracking down the problem and providing an excellent test case. Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -43,8 +43,8 @@ strncpy:
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.align 4
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$multiword:
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subq $24, 1, $2 # clear the final bits in the prev word
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or $2, $24, $2
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subq $27, 1, $2 # clear the final bits in the prev word
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or $2, $27, $2
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zapnot $1, $2, $1
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subq $18, 1, $18
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@ -70,8 +70,8 @@ $multiword:
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bne $18, 0b
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1: ldq_u $1, 0($16) # clear the leading bits in the final word
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subq $27, 1, $2
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or $2, $27, $2
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subq $24, 1, $2
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or $2, $24, $2
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zap $1, $2, $1
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stq_u $1, 0($16)
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