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[Bug rtl-optimization/88311] [9 Regression] mlongcall indirections are optimised away (for binutils versions that don't support AS_PLTSEQ)
- From: "iains at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 14 Dec 2018 00:12:05 +0000
- Subject: [Bug rtl-optimization/88311] [9 Regression] mlongcall indirections are optimised away (for binutils versions that don't support AS_PLTSEQ)
- Auto-submitted: auto-generated
- References: <bug-88311-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88311
--- Comment #8 from Iain Sandoe <iains at gcc dot gnu.org> ---
I don't profess to grok the intracecies of combine, but ISTM that the stored
indirection needs the moral equivalent of "used", or else it should surely be a
candidate for removal. After all, that's a useful optimisation in other cases.