[Xtensa] remove DI-mode add/sub insns

Bob Wilson bwilson@tensilica.com
Fri May 4 16:23:00 GMT 2007


I've committed this patch on mainline to remove the adddi3 and subdi3 
instructions for Xtensa.  The recent thread about MIPS multiply/add made me 
realize that there's no need for these on Xtensa, since the optabs.c code does 
the same thing.  Apparently, the optabs.c code does it better, too, since this 
patch fixes several recent regressions in the testsuite.

2007-05-04  Bob Wilson  <bob.wilson@acm.org>
	
	* config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
	(subdi3, subdi_carry): Delete.
	
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