From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 665B63858402; Wed, 15 Dec 2021 01:03:33 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 665B63858402 From: "jsm28 at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/103722] New: [12 Regression] ICE in extract_constrain_insn building glibc for SH4 Date: Wed, 15 Dec 2021 01:03:33 +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: 12.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: jsm28 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_gcctarget attachments.created 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: Wed, 15 Dec 2021 01:03:33 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103722 Bug ID: 103722 Summary: [12 Regression] ICE in extract_constrain_insn building glibc for SH4 Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: jsm28 at gcc dot gnu.org CC: vmakarov at gcc dot gnu.org Target Milestone: --- Target: sh4*-*-* Created attachment 52003 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D52003&action=3Dedit preprocessed source Build the attached code (from glibc) with -O2 for sh4-linux-gnu. This prod= uces an ICE: malloc-debug.c: In function '__debug_realloc': malloc-debug.c:267:1: error: insn does not satisfy its constraints: (insn 955 1863 2 2 (set (reg:SI 76 fr12 [314]) (reg:SI 146 pr)) 189 {movsi_ie} (nil)) during RTL pass: postreload malloc-debug.c:267:1: internal compiler error: in extract_constrain_insn, at recog.c:2670 0x5eec04 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) /scratch/jmyers/glibc/many12/src/gcc/gcc/rtl-error.c:108 0x5eec2a _fatal_insn_not_found(rtx_def const*, char const*, int, char const= *) /scratch/jmyers/glibc/many12/src/gcc/gcc/rtl-error.c:119 0xcab367 extract_constrain_insn(rtx_insn*) /scratch/jmyers/glibc/many12/src/gcc/gcc/recog.c:2670 0xc71acd reload_cse_simplify_operands /scratch/jmyers/glibc/many12/src/gcc/gcc/postreload.c:407 0xc732bc reload_cse_simplify /scratch/jmyers/glibc/many12/src/gcc/gcc/postreload.c:190 0xc732bc reload_cse_regs_1 /scratch/jmyers/glibc/many12/src/gcc/gcc/postreload.c:238 0xc7584b reload_cse_regs /scratch/jmyers/glibc/many12/src/gcc/gcc/postreload.c:66 0xc7584b execute /scratch/jmyers/glibc/many12/src/gcc/gcc/postreload.c:2355 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions. This was introduced (exposed?) by: commit a7acb6dca941db2b1c135107dac3a34a20650d5c Author: Vladimir N. Makarov Date: Mon Dec 13 13:48:12 2021 -0500 [PR99531] Modify pseudo class cost calculation when processing move involving the pseudo and a hard register=