Commit 992b9592 authored by Harvey Harrison's avatar Harvey Harrison Committed by Ingo Molnar

x86: fix asm memory constraints in local_64.h

Use the shorter +m form rather than =m and m.
Signed-off-by: default avatarHarvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 4ad02718
......@@ -5,32 +5,30 @@ static inline void local_inc(local_t *l)
{
__asm__ __volatile__(
"incq %0"
:"=m" (l->a.counter)
:"m" (l->a.counter));
:"+m" (l->a.counter));
}
static inline void local_dec(local_t *l)
{
__asm__ __volatile__(
"decq %0"
:"=m" (l->a.counter)
:"m" (l->a.counter));
:"+m" (l->a.counter));
}
static inline void local_add(long i, local_t *l)
{
__asm__ __volatile__(
"addq %1,%0"
:"=m" (l->a.counter)
:"ir" (i), "m" (l->a.counter));
:"+m" (l->a.counter)
:"ir" (i));
}
static inline void local_sub(long i, local_t *l)
{
__asm__ __volatile__(
"subq %1,%0"
:"=m" (l->a.counter)
:"ir" (i), "m" (l->a.counter));
:"+m" (l->a.counter)
:"ir" (i));
}
/**
......@@ -48,8 +46,8 @@ static inline int local_sub_and_test(long i, local_t *l)
__asm__ __volatile__(
"subq %2,%0; sete %1"
:"=m" (l->a.counter), "=qm" (c)
:"ir" (i), "m" (l->a.counter) : "memory");
:"+m" (l->a.counter), "=qm" (c)
:"ir" (i) : "memory");
return c;
}
......@@ -67,8 +65,8 @@ static inline int local_dec_and_test(local_t *l)
__asm__ __volatile__(
"decq %0; sete %1"
:"=m" (l->a.counter), "=qm" (c)
:"m" (l->a.counter) : "memory");
:"+m" (l->a.counter), "=qm" (c)
: : "memory");
return c != 0;
}
......@@ -86,8 +84,8 @@ static inline int local_inc_and_test(local_t *l)
__asm__ __volatile__(
"incq %0; sete %1"
:"=m" (l->a.counter), "=qm" (c)
:"m" (l->a.counter) : "memory");
:"+m" (l->a.counter), "=qm" (c)
: : "memory");
return c != 0;
}
......@@ -106,8 +104,8 @@ static inline int local_add_negative(long i, local_t *l)
__asm__ __volatile__(
"addq %2,%0; sets %1"
:"=m" (l->a.counter), "=qm" (c)
:"ir" (i), "m" (l->a.counter) : "memory");
:"+m" (l->a.counter), "=qm" (c)
:"ir" (i) : "memory");
return c;
}
......
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