[PATCH 22/28] mn10300: Emit retf instruction

Jeff Law law@redhat.com
Tue Jan 18 18:18:00 GMT 2011


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On 01/10/11 13:31, Richard Henderson wrote:
> From: Richard Henderson <rth@twiddle.net>
> 
> Now that we properly track the life of MDR, we can emit
> the RETF instruction if MDR has not been modified.  This
> insn is 3-4 cycles faster since the return address is
> already loaded.
OK.
Jeff
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