cleanup mips64 syscall_arch functions

diff --git a/arch/mips64/syscall_arch.h b/arch/mips64/syscall_arch.h
index 5eabdf46b0534ab71fc78d7edfdb0f50d2fc385d..28d0f934088ffaceb60640abc41806e400ba4aa4 100644 (file)
--- a/arch/mips64/syscall_arch.h
+++ b/arch/mips64/syscall_arch.h
@@ -79,16 +79,14 @@ static inline long __syscall2(long n, long a, long b)
 {
        struct kernel_stat kst;
        long ret;
-       register long r4 __asm__("$4");
-       register long r5 __asm__("$5");
+       register long r4 __asm__("$4") = a;
+       register long r5 __asm__("$5") = b;
        register long r7 __asm__("$7");
        register long r2 __asm__("$2");
 
-       r5 = b;
        if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat)
                r5 = (long) &kst;
 
-       r4 = a;
        __asm__ __volatile__ (
                "daddu $2,$0,%2 ; syscall"
                : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7),
@@ -109,18 +107,15 @@ static inline long __syscall3(long n, long a, long b, long c)
 {
        struct kernel_stat kst;
        long ret;
-       register long r4 __asm__("$4");
-       register long r5 __asm__("$5");
-       register long r6 __asm__("$6");
+       register long r4 __asm__("$4") = a;
+       register long r5 __asm__("$5") = b;
+       register long r6 __asm__("$6") = c;
        register long r7 __asm__("$7");
        register long r2 __asm__("$2");
 
-       r5 = b;
        if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat)
                r5 = (long) &kst;
 
-       r4 = a;
-       r6 = c;
        __asm__ __volatile__ (
                "daddu $2,$0,%2 ; syscall"
                : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7),
@@ -141,16 +136,12 @@ static inline long __syscall4(long n, long a, long b, long c, long d)
 {
        struct kernel_stat kst;
        long ret;
-       register long r4 __asm__("$4");
-       register long r5 __asm__("$5");
-       register long r6 __asm__("$6");
-       register long r7 __asm__("$7");
+       register long r4 __asm__("$4") = a;
+       register long r5 __asm__("$5") = b;
+       register long r6 __asm__("$6") = c;
+       register long r7 __asm__("$7") = d;
        register long r2 __asm__("$2");
 
-       r4 = a;
-       r5 = b;
-       r6 = c;
-       r7 = d;
        if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat)
                r5 = (long) &kst;
        if (n == SYS_newfstatat)