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[Bug target/51244] [SH] Inefficient conditional branch and code around T bit
- From: "olegendo at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 17 Dec 2014 23:15:47 +0000
- Subject: [Bug target/51244] [SH] Inefficient conditional branch and code around T bit
- Auto-submitted: auto-generated
- References: <bug-51244-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51244
--- Comment #83 from Oleg Endo <olegendo at gcc dot gnu.org> ---
(In reply to Oleg Endo from comment #71)
>
> * The RTL pass does the treg combine only when there is a conditional
> branch. It should also handle conditional move insns (-mpretend-cmove).
>
It does now. It also handles nott cbranch sequences by inverting the branch
condition and deleting the nott insn.