From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 03B40380DBE6; Thu, 21 Apr 2022 13:07:03 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 03B40380DBE6 From: "asolokha at gmx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/105334] New: [12 Regression] ICE in curr_insn_transform, at lra-constraints.cc:4168 (error: unable to generate reloads) Date: Thu, 21 Apr 2022 13:07:03 +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: accepts-invalid, ice-on-invalid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: asolokha at gmx dot com 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 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: Thu, 21 Apr 2022 13:07:04 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105334 Bug ID: 105334 Summary: [12 Regression] ICE in curr_insn_transform, at lra-constraints.cc:4168 (error: unable to generate reloads) Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: accepts-invalid, ice-on-invalid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com CC: bergner at gcc dot gnu.org, linkw at gcc dot gnu.org, segher at gcc dot gnu.org Target Milestone: --- Target: powerpc-*-linux-gnu gcc 12.0.1 20220417 snapshot (g:000c1b89d259fadb466e1f2e63c79da45fd17372) I= CEs when compiling the following testcase, reduced from gcc/testsuite/gcc.target/powerpc/pack02.c, w/ -mcpu=3D401: long double foo (void) { return __builtin_pack_longdouble (1.0, 1.0); } % powerpc-e300c3-linux-gnu-gcc-12.0.1 -mcpu=3D401 -c eqozx4uz.c eqozx4uz.c: In function 'foo': eqozx4uz.c:5:1: error: unable to generate reloads for: 5 | } | ^ (insn 7 6 10 2 (set (reg:TF 117 [ _1 ]) (unspec:TF [ (reg:DF 119) (reg:DF 120) ] UNSPEC_PACK_128BIT)) "eqozx4uz.c":4:10 1070 {packtf} (expr_list:REG_DEAD (reg:DF 120) (expr_list:REG_DEAD (reg:DF 119) (nil)))) during RTL pass: reload eqozx4uz.c:5:1: internal compiler error: in curr_insn_transform, at lra-constraints.cc:4168 0x690c51 _fatal_insn(char const*, rtx_def const*, char const*, int, char const*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220417/work/g= cc-12-20220417/gcc/rtl-error.cc:108 0x66b2b7 curr_insn_transform =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220417/work/g= cc-12-20220417/gcc/lra-constraints.cc:4168 0xc9a615 lra_constraints(bool) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220417/work/g= cc-12-20220417/gcc/lra-constraints.cc:5203 0xc848ba lra(_IO_FILE*) =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220417/work/g= cc-12-20220417/gcc/lra.cc:2375 0xc3b989 do_reload =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220417/work/g= cc-12-20220417/gcc/ira.cc:5940 0xc3b989 execute =20=20=20=20=20=20=20 /var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-12.0.1_p20220417/work/g= cc-12-20220417/gcc/ira.cc:6126=