[PATCH] Reorganize rs6000_rtx_costs
Geoffrey Keating
geoffk@geoffk.org
Mon Jul 5 18:48:00 GMT 2004
Roger Sayle <roger@eyesopen.com> writes:
At the moment, however, such optimization is premature;
> the rs6000 backend still thinks that "nand" and "nor" require
> two instructions, ...
Here's a thought. The .md file already contains all the information
needed to get a nearly-perfect RTX_COSTS macro in the -Os case. So
does the .md file for most other ports. Would it be possible to use
that information?
More information about the Gcc-patches
mailing list