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(parent: b90d051) | patch
rtl-optimization/98863 - prune RD with LIVE in STV
authorRichard Biener <rguenther@suse.de>
Mon, 1 Feb 2021 08:18:43 +0000 (09:18 +0100)
committerRichard Biener <rguenther@suse.de>
Mon, 1 Feb 2021 08:21:26 +0000 (09:21 +0100)
commit972918eea873f8b1663151316c4b3aee7ae028e2
tree76ff6a9d8ff5feba0b3e4a8df181bdcb0afa518ctree
parentb90d051ecbc1d8972ae1bf0cd7588fcc66df0722commit | diff
rtl-optimization/98863 - prune RD with LIVE in STV

This sets DF_RD_PRUNE_DEAD_DEFS like all other uses of the UD/DU
chain problems which makes the RD problem consume a lot less memory.

2021-02-01  Richard Biener  <rguenther@suse.de>

PR rtl-optimization/98863
* config/i386/i386-features.c (convert_scalars_to_vector):
Set DF_RD_PRUNE_DEAD_DEFS.
gcc/config/i386/i386-features.c diff | blob | history