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[Bug target/83496] [7/8 regression] wrong code generated with -Os -mbranch-cost=1
- From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 25 Feb 2018 19:42:23 +0000
- Subject: [Bug target/83496] [7/8 regression] wrong code generated with -Os -mbranch-cost=1
- Auto-submitted: auto-generated
- References: <bug-83496-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83496
--- Comment #29 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> Never mind, it seems that gcc 5.5 is doing that as hazard_nowell. I will run
> some more tests.
Yes, the nops are preexisting and counter-measures for pipeline hazards, but I
don't know the MIPS port enough to say much more than that.