[PATCH] Handle SLP_TREE_LANE_PERMUTATION in scalar costing

2020-06-19 Thread Richard Biener
This properly handles a lane permutation in scalar costing. For the current only use this doesn't matter much but with permutes that change the number of lanes it will eventually ICE. Bootstrapped and tested on x86_64-unknown-linux-gnu, applied. Richard, 2020-06-19 Richard Biener * t

[PATCH] Handle SLP_TREE_LANE_PERMUTATION in scalar costing

2020-06-19 Thread Richard Biener
This properly handles a lane permutation in scalar costing. For the current only use this doesn't matter much but with permutes that change the number of lanes it will eventually ICE. Bootstrap / regtest running on x86_64-unknown-linux-gnu.y 2020-06-19 Richard Biener * tree-vect-slp.c