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Re: using scratchpads to enhance RTL-level if-conversion: the new patch is almost ready to be prepared for merging to trunk, but not 100% ready yet
- From: Abe Skolnik <abe_skolnik at yahoo dot com>
- To: Segher Boessenkool <segher at kernel dot crashing dot org>, Jeff Law <law at redhat dot com>
- Cc: "gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Date: Fri, 25 Sep 2015 21:03:14 +0000 (UTC)
- Subject: Re: using scratchpads to enhance RTL-level if-conversion: the new patch is almost ready to be prepared for merging to trunk, but not 100% ready yet
- Authentication-results: sourceware.org; auth=none
- References: <20150925191812 dot GA10463 at gate dot crashing dot org>
- Reply-to: Abe Skolnik <abe_skolnik at yahoo dot com>
> I haven't looked at the full code, but NEXT_INSN is even more
> suspicious (you also need to skip the debug insns).
Thanks for that information.
> Compile with -dap (directly with cc1 or with -S), find some difference
> in the generated asm, see what the RTL insn number for that was (that's
> what -dp is for), find where the difference came from (from the dumpfiles,
> that's -da; you probably already know what pass is the culprit ;-) )
Thanks again!
Regards,
Abe