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Re: [tree-ssa] Fix problem with loop notes emitted by targets
- From: Diego Novillo <dnovillo at redhat dot com>
- To: Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>
- Cc: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>, Andreas Jaeger <aj at suse dot de>, Jeff Law <law at redhat dot com>, Richard Henderson <rth at redhat dot com>
- Date: Tue, 16 Dec 2003 14:37:42 -0500
- Subject: Re: [tree-ssa] Fix problem with loop notes emitted by targets
- Organization: Red Hat Canada
- References: <20031206222847.GA23400@atrey.karlin.mff.cuni.cz>
On Sat, 2003-12-06 at 17:28, Zdenek Dvorak wrote:
> * cfglayout.c (duplicate_insn_chain): Don't handle NOTE_INSN_LOOP_CONT.
> * cfgrtl.c (rtl_delete_block): Ditto.
> * final.c (final_scan_insn): Ditto.
> * jump.c (squeeze_notes): Ditto.
> * loop.c (find_and_verify_loops, for_each_insn_in_loop): Ditto.
> * unroll.c (copy_loop_body): Ditto.
> * rtl.c (note_insn_name): Remove NOTE_INSN_LOOP_CONT.
> * rtl.h (enum insn_note): Ditto.
> * stmt.c (expand_start_loop, expand_loop_continue_here,
> expand_end_loop): Don't create loop notes.
>
Your changes make sense to me, but I'm not at all familiar with the RTL
bits. I'd rather have Jeff and/or Richard to go over it to make sure I
haven't missed anything.
http://gcc.gnu.org/ml/gcc-patches/2003-12/msg00657.html
Thanks. Diego.