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authorRichard Biener <rguenther@suse.de>2021-08-23 14:15:14 +0200
committerRichard Biener <rguenther@suse.de>2021-08-24 10:43:10 +0200
commit8571ff0ae0922bee292161c7fd61dd127d26a4ed (patch)
tree25c1e6eb9607cdee669da09dc52235477056c557 /libgcc
parent0deabebedd16c9519bfb1dfbff303c2d9bd701ee (diff)
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Adjust inner loop cost scaling
This makes use of the estimated number of iterations of the inner loop to limit --param vect-inner-loop-cost-factor scaling. It also reduces the maximum value of vect-inner-loop-cost-factor to 10000 making it less likely to cause overflow of costs. 2021-08-23 Richard Biener <rguenther@suse.de> * doc/invoke.texi (vect-inner-loop-cost-factor): Adjust. * params.opt (--param vect-inner-loop-cost-factor): Adjust maximum value. * tree-vect-loop.c (vect_analyze_loop_form): Initialize inner_loop_cost_factor to the minimum of the estimated number of iterations of the inner loop and vect-inner-loop-cost-factor.
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