https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77937
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-10-11
CC| |wschmidt at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
Started with r240945:
commit 41b5b58f52ee35f1efe7eeac644db6992dac5499
Author: wschmidt <wschmidt@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon Oct 10 18:39:41 2016 +0000
2016-10-10 Bill Schmidt <[email protected]>
PR tree-optimization/77824
* gimple-ssa-strength-reduction.c (stmt_cost): Explicitly return
zero cost for copies.
(find_candidates_dom_walker::before_dom_children): Replace
MODIFY_EXPR with SSA_NAME.
(replace_mult_candidate): Likewise.
(replace_profitable_candidates): Likewise.
