use newer spiffy asm constraints to get better code generation

diff --git a/libc/sysdeps/linux/bfin/syscall.c b/libc/sysdeps/linux/bfin/syscall.c
index 1db8738..d68eb6e 100644 (file)
--- a/libc/sysdeps/linux/bfin/syscall.c
+++ b/libc/sysdeps/linux/bfin/syscall.c
@@ -29,24 +29,16 @@ long syscall(long sysnum, long a, long b, long c, long d, long e, long f)
        int _r0 = 0;
 
        __asm__ __volatile__ (
-               "R5 = %7;"
-               "R4 = %6;"
-               "R3 = %5;"
-               "R2 = %4;"
-               "R1 = %3;"
-               "R0 = %2;"
-               "P0 = %1;"
                "excpt 0;"
-               "%0 = R0;"
-               : "=r" (_r0)
-               : "rm" (sysnum),
-                 "rm" (a),
-                 "rm" (b),
-                 "rm" (c),
-                 "rm" (d),
-                 "rm" (e),
-                 "rm" (f)
-               : "memory","CC","R0","R1","R2","R3","R4","R5","P0");
+               : "=q0" (_r0)
+               : "qA" (sysnum),
+                 "q0" (a),
+                 "q1" (b),
+                 "q2" (c),
+                 "q3" (d),
+                 "q4" (e),
+                 "q5" (f)
+               : "memory", "CC");
 
        if (_r0 >= (unsigned long) -4095) {
                (*__errno_location()) = (-_r0);