Commit 3e6cb2d3 authored by Ralf Baechle's avatar Ralf Baechle
Browse files

[MIPS] Use "=R" constraint to avoid compiler errors in cmpxchg(). 


    
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent e95a9ec1

include/asm-mips/system.h

+4 −4
Original line number Diff line number Diff line
@@ -322,7 +322,7 @@ static inline unsigned long __cmpxchg_u32(volatile int * m, unsigned long old, 
#endif

		"2:							\n"

		"	.set	pop					\n"

		: "=&r" (retval), "=m" (*m)

		: "=&r" (retval), "=R" (*m)

		: "R" (*m), "Jr" (old), "Jr" (new)

		: "memory");

	} else if (cpu_has_llsc) {
@@ -342,7 +342,7 @@ static inline unsigned long __cmpxchg_u32(volatile int * m, unsigned long old, 
#endif

		"2:							\n"

		"	.set	pop					\n"

		: "=&r" (retval), "=m" (*m)

		: "=&r" (retval), "=R" (*m)

		: "R" (*m), "Jr" (old), "Jr" (new)

		: "memory");

	} else {
@@ -379,7 +379,7 @@ static inline unsigned long __cmpxchg_u64(volatile int * m, unsigned long old, 
#endif

		"2:							\n"

		"	.set	pop					\n"

		: "=&r" (retval), "=m" (*m)

		: "=&r" (retval), "=R" (*m)

		: "R" (*m), "Jr" (old), "Jr" (new)

		: "memory");

	} else if (cpu_has_llsc) {
@@ -397,7 +397,7 @@ static inline unsigned long __cmpxchg_u64(volatile int * m, unsigned long old, 
#endif

		"2:							\n"

		"	.set	pop					\n"

		: "=&r" (retval), "=m" (*m)

		: "=&r" (retval), "=R" (*m)

		: "R" (*m), "Jr" (old), "Jr" (new)

		: "memory");

	} else {