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[Bug rtl-optimization/68910] [5/6 regression] huge stack frame and poor code with instruction scheduling at -O2
- 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: Mon, 21 Dec 2015 07:20:05 +0000
- Subject: [Bug rtl-optimization/68910] [5/6 regression] huge stack frame and poor code with instruction scheduling at -O2
- Auto-submitted: auto-generated
- References: <bug-68910-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68910
--- Comment #15 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> The stack frame is still larger than necessary at least on the -mcpu=cypress
> and -mcpu=leon3 targets. However, the range is similar to GCC 4.3.2, so this
> looks like an old problem.
Yes, it's the init-regs.c thing, see PR rtl-optimization/68641.