From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 210313858C60; Tue, 14 Dec 2021 01:48:35 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 210313858C60 From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/103676] internal compiler error: in extract_constrain_insn, at recog.c:2671 Date: Tue, 14 Dec 2021 01:48:34 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 11.2.0 X-Bugzilla-Keywords: ice-on-valid-code, inline-asm, lto X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: everconfirmed bug_status Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Dec 2021 01:48:35 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103676 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|1 |0 Status|WAITING |UNCONFIRMED --- Comment #14 from Andrew Pinski --- Semi-reduced testcase (single file): typedef unsigned long long uint64_t; typedef uint64_t uint_fast64_t; uint64_t timer_monotonic_coarse(); struct list { struct list *next; struct list *prev; }; static inline list * list_insert(list *prev, list *node) { node->next =3D prev->next; node->prev =3D prev; prev->next->prev =3D node; prev->next =3D node; return node; } static inline list * list_remove(list *node) { node->prev->next =3D node->next; node->next->prev =3D node->prev; return node; } struct timer { list link; int active; uint_fast64_t expire; uint_fast64_t interval; void (*func)(void *); void *arg; }; int irq_disable(); void irq_restore(int); template struct atomic { T a; }; __attribute__((section(".fast_bss"))) atomic monotonic; extern "C" uint64_t __atomic_load_8(const volatile void *p, int m) { const volatile uint64_t *p64 =3D static_cast(p); uint64_t tmp; asm volatile( "ldrd %Q[r], %R[r], %[p]\n" : [r]"=3Dlh"(tmp) : [p]"m"(*p64) : "memory" ); return tmp; } uint_fast64_t timer_monotonic_coarse() { return __atomic_load_n(&monotonic.a, 0); } void timer_callout(timer *tmr, uint_fast64_t nsec, uint_fast64_t interval, void (*func)(void *), void *arg) { const uint_fast64_t period =3D 1000000000 / 1000; const int s =3D irq_disable(); if (tmr->active) list_remove(&tmr->link); tmr->func =3D func; tmr->arg =3D arg; tmr->active =3D 1; tmr->interval =3D interval; tmr->expire =3D timer_monotonic_coarse() + period + (nsec =3D=3D 1 ? 0 : n= sec); //timer_insert(tmr); irq_restore(s); } ----- CUT ---- Compile with -mcpu=3Dcortex-m7 -mthumb -g -pipe -Wall -O2 -Wframe-larger-th= an=3D384 -fno-pie -masm-syntax-unified -mslow-flash-data -Wframe-larger-than=3D384 -Wundef -fno-pie -masm-syntax-unified -mslow-flash-data -nostdinc++ -fno-exceptions -std=3Dgnu++20 -DKERNEL -D_GNU_SOURCE -fuse-linker-plugin -fno-use-cxa-atexit -mfloat-abi=3Dsoft=