From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 78655385829D; Wed, 13 Jul 2022 08:01:29 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 78655385829D From: "dcb314 at hotmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/106279] New: reload problem on arm iwmmxt Date: Wed, 13 Jul 2022 08:01:29 +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: X-Bugzilla-Severity: normal X-Bugzilla-Who: dcb314 at hotmail 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 bug_severity priority component assigned_to reporter target_milestone 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, 13 Jul 2022 08:01:29 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106279 Bug ID: 106279 Summary: reload problem on arm iwmmxt Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Target Milestone: --- For the C testsuite file ./gcc.target/aarch64/vect_unary_1.c, compiled by an ARM cross compiler, with target arch set to iwmmxt, does this: $ /home/dcb/raspberrypi/results/bin/arm-linux-gnueabihf-gcc -c -march=3Diwm= mxt=20 bug827.c during RTL pass: reload ./gcc.target/aarch64/vect_unary_1.c: In function =E2=80=98test2_int_clz_int= =E2=80=99: ./gcc.target/aarch64/vect_unary_1.c:15:1: internal compiler error: maximum number of generated reload insns per insn achieved (90) 15 | }=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 \ | ^ ./gcc.target/aarch64/vect_unary_1.c:161:1: note: in expansion of macro =E2= =80=98TEST2=E2=80=99 161 | TEST2 (int, clz, int) | ^~~~~ 0xe06010 lra_constraints(bool) /home/dcb/gcc/trunk.git/gcc/lra-constraints.cc:5126 Similar things happen with target arch set to iwmmxt2.=