patch-2.4.0-test10 linux/include/asm-arm/byteorder.h

• Lines: 44
• Date: Fri Oct 27 10:55:01 2000
• Orig file: v2.4.0-test9/linux/include/asm-arm/byteorder.h
• Orig date: Thu Jan 7 15:51:33 1999

diff -u --recursive --new-file v2.4.0-test9/linux/include/asm-arm/byteorder.h linux/include/asm-arm/byteorder.h
@@ -3,43 +3,6 @@
 
 #include <asm/types.h>
 
-#if defined(__GNUC__) && __GNUC__ == 2 && __GNUC_MINOR__ < 8
-
-/* Recent versions of GCC can open code the swaps at least as well
-   as we can write them by hand, so the "optimisations" here only 
-   make sense for older compilers.  Worse, some versions of GCC
-   actually go wrong in the presence of the assembler versions.
-   We play it safe and only turn them on for compilers older than
-   GCC 2.8.0.  */
-
-static __inline__ __const__ __u32 ___arch__swab32(__u32 x)
-{
-	unsigned long xx;
-	__asm__("eor\t%1, %0, %0, ror #16\n\t"
-		"bic\t%1, %1, #0xff0000\n\t"
-		"mov\t%0, %0, ror #8\n\t"
-		"eor\t%0, %0, %1, lsr #8\n\t"
-		: "=r" (x), "=&r" (xx)
-		: "0" (x));
-	return x;
-}
-
-static __inline__ __const__ __u16 ___arch__swab16(__u16 x)
-{
-	__asm__("eor\t%0, %0, %0, lsr #8\n\t"
-		"eor\t%0, %0, %0, lsl #8\n\t"
-		"bic\t%0, %0, #0xff0000\n\t"
-		"eor\t%0, %0, %0, lsr #8\n\t"
-		: "=r" (x) 
-		: "0" (x));
-	return x;
-}
-
-#define __arch__swab32(x) ___arch__swab32(x)
-#define __arch__swab16(x) ___arch__swab16(x)
-
-#endif /* __GNUC__ */
-
 #if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
 #  define __BYTEORDER_HAS_U64__
 #  define __SWAB_64_THRU_32__