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From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/106008] [12 Regression] warning: ‘(((char *)loadcmds.113_68 + _933 + 16))[329406144173384849].mapend’ may be used uninitialized [-Wmaybe-uninitialized] Date: Thu, 16 Jun 2022 22:27:05 +0000 [thread overview] Message-ID: <bug-106008-4-LDVSCFapdX@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-106008-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106008 H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Status|UNCONFIRMED |NEW Last reconfirmed| |2022-06-16 --- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> --- Simply change the cost of integer store makes the warnings to go away: diff --git a/gcc/config/i386/x86-tune-costs.h b/gcc/config/i386/x86-tune-costs.h index 6c9066c84cc..b83bb79c065 100644 --- a/gcc/config/i386/x86-tune-costs.h +++ b/gcc/config/i386/x86-tune-costs.h @@ -3276,7 +3276,11 @@ struct processor_costs generic_cost = { {6, 6, 6}, /* cost of loading integer registers in QImode, HImode and SImode. Relative to reg-reg move (2). */ +#if 0 {6, 6, 6}, /* cost of storing integer registers */ +#else + {8, 8, 8}, /* cost of storing integer registers */ +#endif {6, 6, 6, 10, 15}, /* cost of loading SSE register in 32bit, 64bit, 128bit, 256bit and 512bit */ {6, 6, 6, 10, 15}, /* cost of storing SSE register
next prev parent reply other threads:[~2022-06-16 22:27 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-06-16 19:16 [Bug middle-end/106008] New: " hjl.tools at gmail dot com 2022-06-16 22:27 ` hjl.tools at gmail dot com [this message] 2022-06-17 2:55 ` [Bug middle-end/106008] [11/12 " hjl.tools at gmail dot com 2022-06-20 10:01 ` [Bug middle-end/106008] [11/12/13 " rguenth at gcc dot gnu.org 2022-06-20 10:01 ` rguenth at gcc dot gnu.org 2023-03-29 13:35 ` rguenth at gcc dot gnu.org 2023-05-29 10:07 ` [Bug middle-end/106008] [11/12/13/14 " jakub at gcc dot gnu.org
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