[SPARC64]: Add -mtune=ultrasparc3 if possible.

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This gives better heuristics for the cost of a multiply (fixed
5 cycles), rather than the 'ultrasparc' setting (variable, and
unpredictable if the second argument is non-constant).

Example code size savings:

   text	   data	    bss	    dec	    hex	filename
3823690	 304040	 448880	4576610	 45d562	vmlinux
3824521	 304040	 448880	4577441	 45d8a1	vmlinux.orig

Signed-off-by: David S. Miller <davem@davemloft.net>

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David S. Miller 2008-02-14 00:58:44 -08:00

parent 54cd6ddec7

commit 966d905634

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arch/sparc64/Makefile

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