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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CY5PR21MB3542.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 972e258e-add0-45d8-ac7c-08dacccf7092 X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Nov 2022 21:20:54.4835 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 8D+Ot/v0nHC/z6IYB0D0mUfuDmr1Qx49WsDbpeTeI9ouwspnU6NvKVtMhSHxWo5hFX+aBQUeDfa/cCUfT7NSxQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS7PR21MB3342 X-Spam-Status: No, score=-4.0 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO,KAM_SHORT,RCVD_IN_DNSWL_NONE,SPF_HELO_PASS,SPF_NONE,TXREP autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: I took another look at this. We actually collect perf data when building th= e libraries. So, we have ./prev-gcc/perf.data, ./prev-libcpp/perf.data, ./p= rev-libiberty/perf.data, etc. But when creating gcov data for -fauto-profi= le build of cc1plus or cc1 we only use ./prev-gcc/perf.data . So, a better = solution would be either having a single perf.data for all builds (gcc and = libraries) or merging perf.data files before attempting autostagefeedback. = What would you recommend? Thanks, Eugene -----Original Message----- From: Jeff Law =20 Sent: Tuesday, November 22, 2022 12:01 PM To: Eugene Rozenfeld ; gcc-patches@gcc.gnu.= org; Andi Kleen Subject: [EXTERNAL] Re: [PATCH] Fix autoprofiledbootstrap build [You don't often get email from jeffreyalaw@gmail.com. Learn why this is im= portant at https://aka.ms/LearnAboutSenderIdentification ] On 11/21/22 14:57, Eugene Rozenfeld via Gcc-patches wrote: > 1. Fix gcov version > 2. Don't attempt to create an autoprofile file for cc1 since cc1plus=20 > (not cc1) is not invoked when building cc1 3. Fix documentation typo > > Tested on x86_64-pc-linux-gnu. > > gcc/ChangeLog: > > * c/Make-lang.in: Don't attempt to create an autoprofile file for c= c1 > * cp/Make-lang.in: Fix gcov version > * lto/Make-lang.in: Fix gcov version > * doc/install.texi: Fix documentation typo Just to be 100% sure. While the compiler is built with cc1plus, various ru= ntime libraries are still build with the C compiler and thus would use cc1.= AFAICT it looks like we don't try to build the runtime libraries to get a= ny data about the behavior of the C compiler. Can you confirm? Assuming that's correct, this is fine for the trunk. Thanks, Jeff