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bh=Z0tfXkQkS6N9KYgFQZkxo7dZqweHrtN+XFpmwDqtyOU=; b=RVmaKVsnHsg86EchOy31GoPYbGCVAAm0I/di2IvAziVbMC4g/RpM17U+pEcx6dwwdXQ1Tm +27LhM573BiN3uBg== Date: Mon, 11 Dec 2023 10:00:10 +0100 (CET) From: Richard Biener To: Tamar Christina cc: Richard Sandiford , "gcc-patches@gcc.gnu.org" , nd , "jlaw@ventanamicro.com" Subject: RE: [PATCH 15/21]middle-end: [RFC] conditionally support forcing final edge for debugging In-Reply-To: Message-ID: <17p479r1-or79-ps88-4snn-s0306pn14o65@fhfr.qr> References: <98348n1p-so0r-8n68-79rr-q4p16938501p@fhfr.qr> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Spam-Score: -1.30 X-Spamd-Result: default: False [2.47 / 50.00]; ARC_NA(0.00)[]; TO_DN_EQ_ADDR_SOME(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_FIVE(0.00)[5]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; NEURAL_SPAM_LONG(2.77)[0.792]; DBL_BLOCKED_OPENRESOLVER(0.00)[gnu.org:email,suse.de:email]; FUZZY_BLOCKED(0.00)[rspamd.com]; RCVD_COUNT_ZERO(0.00)[0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; BAYES_HAM(-0.00)[40.57%] X-Spam-Flag: NO X-Spam-Score: 2.47 Authentication-Results: smtp-out1.suse.de; none X-Spam-Status: No, score=-5.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Mon, 11 Dec 2023, Tamar Christina wrote: > > -----Original Message----- > > From: Richard Biener > > Sent: Monday, December 11, 2023 7:38 AM > > To: Richard Sandiford > > Cc: Tamar Christina ; gcc-patches@gcc.gnu.org; nd > > ; jlaw@ventanamicro.com > > Subject: Re: [PATCH 15/21]middle-end: [RFC] conditionally support forcing final > > edge for debugging > > > > On Sat, 9 Dec 2023, Richard Sandiford wrote: > > > > > Tamar Christina writes: > > > > Hi All, > > > > > > > > What do people think about having the ability to force only the latch connected > > > > exit as the exit as a param? I.e. what's in the patch but as a param. > > > > > > > > I found this useful when debugging large example failures as it tells me where > > > > I should be looking. No hard requirement but just figured I'd ask if we should. > > > > > > If it's useful for that, then perhaps it would be worth making it a > > > DEBUG_COUNTER instead of a --param, for easy bisection. > > > > Or even better, make a debug counter that would skip the IV edge and > > choose the "next". > > > > Ah, I'd never heard of debug counters. They look very useful! > > Did you mean everytime the counter is reached it picks the n-th successor? > > So If the counter is hit twice it picks the 3rd exit? if (!dbg_cnt (...)) do not take this exit, try next which means it might even fail to find an exit. > Thanks, > Tamar > -- Richard Biener SUSE Software Solutions Germany GmbH, Frankenstrasse 146, 90461 Nuernberg, Germany; GF: Ivo Totev, Andrew McDonald, Werner Knoblich; (HRB 36809, AG Nuernberg)