Some asm() correction.

[fjl] / dehuff.h

diff --git a/dehuff.h b/dehuff.h
index 7621f6095e99791feb6138e81c2574ae9dda6bce..2669034554c25fb16362ace9879f5fa280be9592 100644 (file)
--- a/dehuff.h
+++ b/dehuff.h
@@ -86,10 +86,9 @@ static inline unsigned extend(int val, unsigned bits)
 #if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
        // GCC should ideally be able to figure out that the conditional move is better, but
        // it doesn't for various reasons, and this is pretty important for speed, so we hardcode.
-       asm("cmp %2, %0 ; cmovl %3, %0"
-               : "=r" (val)
-               : "0" (val),
-                 "g" (bit_thresholds[bits]),
+       asm("cmp %1, %0 ; cmovl %2, %0"
+               : "+r" (val)
+               : "g" (bit_thresholds[bits]),
                  "r" (val + (-1 << bits) + 1)
                : "cc");
        return val;