From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5618 invoked by alias); 19 Feb 2012 17:49:04 -0000 Received: (qmail 5605 invoked by uid 22791); 19 Feb 2012 17:49:03 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sun, 19 Feb 2012 17:48:49 +0000 From: "steven at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/51882] ICE: in extract_insn, at recog.c:2109 (unrecognizable insn) when building Mesa on ARM Date: Sun, 19 Feb 2012 17:54:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: steven at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2012-02/txt/msg01904.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D51882 --- Comment #5 from Steven Bosscher 2012-02-19 = 17:48:16 UTC --- With slightly modified test case (manually inlined apply_aa_coverage()): BEFORE RELOAD: (insn 142 133 314 9 (set (subreg:SI (reg:HI 283) 0) (unsigned_fix:SI (fix:SF (reg/v:SF 226 [ a ])))) besttry.c:73 682 {fixuns_truncsfsi2} (expr_list:REG_DEAD (reg/v:SF 226 [ a ]) (nil))) Reloads for insn # 142 Reload 0: reload_in (SI) =3D (plus:SI (reg/f:SI 11 fp) (const_int -65536 [0xffffffffffff0000])) CORE_REGS, RELOAD_FOR_OUTPUT_ADDRESS (opnum =3D 0) reload_in_reg: (plus:SI (reg/f:SI 11 fp) (const_int -65536 [0xffffffffffff0000])) reload_reg_rtx: (reg:SI 12 ip) Reload 1: GENERAL_REGS, RELOAD_FOR_OUTPUT_ADDRESS (opnum =3D 0), can't comb= ine, secondary_reload_p reload_reg_rtx: (reg:DI 8 r8) Reload 2: GENERAL_REGS, RELOAD_FOR_OUTPUT_ADDRESS (opnum =3D 0), can't comb= ine, secondary_reload_p reload_reg_rtx: (reg:SI 10 sl) secondary_out_reload =3D 1 secondary_out_icode =3D reload_outhi Reload 3: reload_out (SI) =3D (subreg:SI (mem/c:HI (plus:SI (plus:SI (reg/f= :SI 11 fp) (const_int -65536 [0xffffffffffff0000])) (const_int -52 [0xffffffffffffffcc])) [14 %sfp+-65544 S2 A64]) 0) VFP_LO_REGS, RELOAD_FOR_OUTPUT (opnum =3D 0) reload_out_reg: (subreg:SI (reg:HI 283) 0) reload_reg_rtx: (reg:SI 77 s14) secondary_out_reload =3D 2 AFTER RELOAD: (insn 142 133 355 9 (set (reg:SI 77 s14) (unsigned_fix:SI (fix:SF (reg/v:SF 78 s15 [orig:226 a ] [226])))) besttry.c:73 682 {fixuns_truncsfsi2} (nil)) (insn 355 142 356 9 (set (reg:SI 12 ip) (plus:SI (reg/f:SI 11 fp) (const_int -65536 [0xffffffffffff0000]))) besttry.c:73 4 {*arm_addsi3} (nil)) (insn 356 355 357 9 (set (reg:HI 10 sl) (reg:SI 77 s14)) besttry.c:73 -1 (nil)) (insn 357 356 358 9 (set (mem:QI (plus:SI (reg:SI 12 ip) (const_int -52 [0xffffffffffffffcc])) [0 S1 A8]) (reg:QI 10 sl)) besttry.c:73 -1 (nil)) (insn 358 357 359 9 (set (reg:SI 8 r8) (lshiftrt:SI (subreg:SI (reg:HI 10 sl) 0) (const_int 8 [0x8]))) besttry.c:73 -1 (nil)) (insn 359 358 314 9 (set (mem:QI (plus:SI (reg:SI 12 ip) (const_int -51 [0xffffffffffffffcd])) [0 S1 A8]) (reg:QI 8 r8)) besttry.c:73 -1 (nil)) besttry.c: In function =E2=80=98_swrast_write_rgba_span=E2=80=99: besttry.c:108:1: error: unrecognizable insn: (insn 356 355 357 9 (set (reg:HI 10 sl) (reg:SI 77 s14)) besttry.c:73 -1 (nil)) besttry.c:108:1: internal compiler error: in extract_insn, at recog.c:2123 Looks like a secondary reload failed.