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Re: [PATCH, committed] Prefer CTR to LR, eq SCC splitter


On Wed, Jun 08, 2005 at 10:49:45AM -0400, David Edelsohn wrote:
> 	The following patch updates the ABI_AIX call patterns similarly to
> the earlier ABI_SYSV change to prefer CTR over LR for indirect calls.
> 
> 	The patch also changes the eq SCC pattern to use a splitter that
> generates CLZ instead of using the carry bit.

Why would you mix the two patches.

Also, why would you bother splitting out the one case of x == 0,
when all of the other cases are ((x ^ y) == 0)?


r~


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