[RFC] Optimize __arch_swab32 and __arch_swab16

[Andreas Schwab]

Joakim Tjernlund <joakim.tjernlund at transmode.se> writes:

> unsigned short my__arch_swab16(unsigned short value)
> {
> 	__asm__("rlwimi %0,%0,16,0x00ff0000"
> 		: "+r" (value));

You are creating a value that does not fit in a short.

Andreas.

-- 
Andreas Schwab, schwab at redhat.com
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