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[Bug middle-end/80929] [7/8 Regression] Division with constant no more optimized to mult highpart
- From: "gjl at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 25 Jul 2017 11:10:20 +0000
- Subject: [Bug middle-end/80929] [7/8 Regression] Division with constant no more optimized to mult highpart
- Auto-submitted: auto-generated
- References: <bug-80929-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80929
--- Comment #5 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #4)
> Fixed?
Not sure; the middle-end (rtlanal.c::insn_rtx_cost, seq_cost) are still
bypassing PARALLELs with more than 1 SET, i.e. assume cost of 1.