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arch/tile: fix gcc 4.6 warnings in <asm/bitops_64.h>

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Fix some signedness and variable usage warnings in change_bit()
and test_and_change_bit().

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
This commit is contained in:
Chris Metcalf 2012-03-27 14:17:05 -04:00
parent 07feea877d
commit 664c100bce
1 changed files with 4 additions and 4 deletions
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8
arch/tile/include/asm/bitops_64.h
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@ -38,10 +38,10 @@ static inline void clear_bit(unsigned nr, volatile unsigned long *addr)
static inline void change_bit(unsigned nr, volatile unsigned long *addr) static inline void change_bit(unsigned nr, volatile unsigned long *addr)
{ {
unsigned long old, mask = (1UL << (nr % BITS_PER_LONG)); unsigned long mask = (1UL << (nr % BITS_PER_LONG));
long guess, oldval; unsigned long guess, oldval;
addr += nr / BITS_PER_LONG; addr += nr / BITS_PER_LONG;
old = *addr; oldval = *addr;
do { do {
guess = oldval; guess = oldval;
oldval = atomic64_cmpxchg((atomic64_t *)addr, oldval = atomic64_cmpxchg((atomic64_t *)addr,
@ -85,7 +85,7 @@ static inline int test_and_change_bit(unsigned nr,
volatile unsigned long *addr) volatile unsigned long *addr)
{ {
unsigned long mask = (1UL << (nr % BITS_PER_LONG)); unsigned long mask = (1UL << (nr % BITS_PER_LONG));
long guess, oldval = *addr; unsigned long guess, oldval;
addr += nr / BITS_PER_LONG; addr += nr / BITS_PER_LONG;
oldval = *addr; oldval = *addr;
do { do {