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

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h
index e8e5d414337797bf9e20f0db7006ada9f7b6e533..ddae9bae31af1e084979a1c778d22b74c35c42c8 100644 (file)
--- a/include/asm-mips/system.h
+++ b/include/asm-mips/system.h
@@ -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 {