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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-02-09 18:24:29 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-02-09 18:24:37 +0100 |
| commit | 6d88f827d7c3e73d11a62fdabccca001aece7295 (patch) | |
| tree | df03467229604d48f56f88d65cba888aa9fa1497 /include | |
| parent | 1ee92a1c79b4a44586490a52132d105972374223 (diff) | |
| download | lwn-6d88f827d7c3e73d11a62fdabccca001aece7295.tar.gz lwn-6d88f827d7c3e73d11a62fdabccca001aece7295.zip | |
[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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-s390/bitops.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/asm-s390/bitops.h b/include/asm-s390/bitops.h index 882db054110c..ab83c844d04c 100644 --- a/include/asm-s390/bitops.h +++ b/include/asm-s390/bitops.h @@ -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; |