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[S390] Fix __ffs_word_loop/__ffz_word_loop inlnie assembly. 

The black art of inline assemblies.. The new __ffs_word_loop/
__ffz_word_loop inline assemblies need an early clobber for the
two input/output variables.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky 2008-02-09 18:24:29 +01:00
parent 1ee92a1c79
commit 6d88f827d7
1 changed files with 2 additions and 2 deletions
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4
include/asm-s390/bitops.h
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@ -472,7 +472,7 @@ static inline unsigned long __ffz_word_loop(const unsigned long *addr,
" brct %1,0b\n"
"1:\n"
#endif
: "+a" (bytes), "+d" (size)
: "+&a" (bytes), "+&d" (size)
: "d" (-1UL), "a" (addr), "m" (*(addrtype *) addr)
: "cc" );
return bytes;
@ -507,7 +507,7 @@ static inline unsigned long __ffs_word_loop(const unsigned long *addr,
" brct %1,0b\n"
"1:\n"
#endif
: "+a" (bytes), "+a" (size)
: "+&a" (bytes), "+&a" (size)
: "d" (0UL), "a" (addr), "m" (*(addrtype *) addr)
: "cc" );
return bytes;