From 992b95920a311db3267659ea17160e4812a05830 Mon Sep 17 00:00:00 2001 From: Harvey Harrison Date: Wed, 30 Jan 2008 13:31:26 +0100 Subject: [PATCH] x86: fix asm memory constraints in local_64.h Use the shorter +m form rather than =m and m. Signed-off-by: Harvey Harrison Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- include/asm-x86/local_64.h | 30 ++++++++++++++---------------- 1 file changed, 14 insertions(+), 16 deletions(-) diff --git a/include/asm-x86/local_64.h b/include/asm-x86/local_64.h index 92330f8135f8..50e99eddd628 100644 --- a/include/asm-x86/local_64.h +++ b/include/asm-x86/local_64.h @@ -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; } -- 2.20.1