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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>
Wed, 3 Feb 2021 10:26:41 +0000 (11:26 +0100)
commitab5b267e1e2d29c4f1acf39af85e247894193168
tree328f2591aaad4d8ae4f41b0ab2214997427d126etree
parent0ca62e6abf7676af9450aa3fe0d7479c4d9e9253commit | 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.

(cherry picked from commit 972918eea873f8b1663151316c4b3aee7ae028e2)
gcc/config/i386/i386-features.c diff | blob | blame | history
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