From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D4FE2385DC02; Tue, 31 Mar 2020 05:45:30 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D4FE2385DC02 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1585633530; bh=+wxd8vVzC+IEZ+J0wlqlIQWHDXFUuniZlJGIjX92eN0=; h=From:To:Subject:Date:From; b=sGwsM4jJrpplXHLXmGp7hVvLMSjtIwN+XB6mjWLDFtHKHPCASnPUehXbR3N5Ep9Vb rM7Im8kdqq5zWQhbO2zmyTIb3HrTwORMHsYAbEgpPK+NFX0BUr9DLAgqqWQ7BOKNpJ WyFMa9nw4CfImSLxiNFgT2/7kHkNabI/RFUOqRc4= From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/94420] New: ICE error: insn does not satisfy its constraints Date: Tue, 31 Mar 2020 05:45:30 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 10.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: marxin 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: bug_id short_desc product version bug_status keywords bug_severity priority component assigned_to reporter cc target_milestone cf_gcchost cf_gcctarget Message-ID: 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, 31 Mar 2020 05:45:30 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94420 Bug ID: 94420 Summary: ICE error: insn does not satisfy its constraints Product: gcc Version: 10.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org CC: krebbel at gcc dot gnu.org, segher at gcc dot gnu.org Target Milestone: --- Host: powerpc64-linux-gnu Target: powerpc64-linux-gnu It's reduced from moonjit bug: https://github.com/moonjit/moonjit/issues/74 $ cat /tmp/moonjit.i register long int *a __asm__("r2"); long int b; void fn1() { long *p =3D &b; for (;;) *p++ =3D (long int)a; } $ ./xgcc -B. /tmp/moonjit.i -c $ ./xgcc -B. /tmp/moonjit.i -c -O2 /tmp/moonjit.i: In function =E2=80=98fn1=E2=80=99: /tmp/moonjit.i:8:1: error: insn does not satisfy its constraints: 8 | } | ^ (insn 7 5 8 2 (set (reg/f:DI 121) (unspec:DI [ (symbol_ref:DI ("*.LANCHOR0") [flags 0x182]) (reg/f:DI 118 [ a.2_2 ]) ] UNSPEC_TOCREL)) 731 {*tocrefdi} (expr_list:REG_EQUAL (symbol_ref:DI ("*.LANCHOR0") [flags 0x182]) (nil))) during RTL pass: combine /tmp/moonjit.i:8:1: internal compiler error: in extract_constrain_insn_cach= ed, at recog.c:2207 0x10f19513 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) ../../gcc/rtl-error.c:108 0x10f195a7 _fatal_insn_not_found(rtx_def const*, char const*, int, char con= st*) ../../gcc/rtl-error.c:119 0x10ea179f extract_constrain_insn_cached(rtx_insn*) ../../gcc/recog.c:2207 0x11b779b7 get_attr_prefixed(rtx_insn*) ../../gcc/config/rs6000/rs6000.md:647 0x116c09df rs6000_insn_cost ../../gcc/config/rs6000/rs6000.c:21141 0x10f30097 insn_cost(rtx_insn*, bool) ../../gcc/rtlanal.c:5440 0x11ef525b combine_instructions ../../gcc/combine.c:1236 0x11f2b06f rest_of_handle_combine ../../gcc/combine.c:15059 0x11f2b1e3 execute ../../gcc/combine.c:15104=