patch-1.3.51 linux/include/asm-i386/byteorder.h
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- Lines: 16
- Date:
Tue Dec 26 06:44:35 1995
- Orig file:
v1.3.50/linux/include/asm-i386/byteorder.h
- Orig date:
Fri Oct 6 14:35:16 1995
diff -u --recursive --new-file v1.3.50/linux/include/asm-i386/byteorder.h linux/include/asm-i386/byteorder.h
@@ -27,11 +27,15 @@
extern __inline__ unsigned long int
__ntohl(unsigned long int x)
{
+#if defined(CONFIG_M486) && defined(__KERNEL__)
+ __asm__("bswap %0" : "=r" (x) : "0" (x));
+#else
__asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */
"rorl $16,%0\n\t" /* swap words */
"xchgb %b0,%h0" /* swap higher bytes */
:"=q" (x)
: "0" (x));
+#endif
return x;
}
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