From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 3CD553858D33; Tue, 27 Jun 2023 19:46:47 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 3CD553858D33 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1687895207; bh=ln53UUJ4tBECfbzwihDXu9+/y2VyLlFZs6Owe8K/5C4=; h=From:To:Subject:Date:From; b=FnJH+F5aOb3WMXEgMykkLCyc3rZUT9UFlcp+4cdHsEiTajt7827jrB4gZ2ULSyWKm IjLx3htQwUj2gSqND3jKEVvLD56ZT0MJyfT0He/r3cOoGXZXLzk/HbvtFqnV+8XMeC D7bvQ4uKyT03f89ef6Ixh9wVXZqdKTtA05bHlcNY= From: "slyfox at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/110443] New: [14 Regression] ICE on a52dec-0.7.4: Date: Tue, 27 Jun 2023 19:46:46 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: slyfox 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 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110443 Bug ID: 110443 Summary: [14 Regression] ICE on a52dec-0.7.4: Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: slyfox at gcc dot gnu.org Target Milestone: --- Noticerd ICE on a52dec-0.7.4 against gcc r14-2134-g231f6b56c77c50. Extracted minimal example is: Extracted reproducer: // $ cat bug.c.c typedef struct { float real; float imag; } complex_t; char fftorder[] =3D {}; float *a52_imdct_256_data; int a52_imdct_256_i, a52_imdct_256_k; float a52_imdct_256_b_r; void a52_imdct_256() { complex_t buf1[64]; a52_imdct_256_i =3D 0; for (; a52_imdct_256_i < 64; a52_imdct_256_i++) { a52_imdct_256_k =3D fftorder[a52_imdct_256_i]; buf1[a52_imdct_256_i].real =3D buf1[a52_imdct_256_i].imag =3D a52_imdct_256_data[a52_imdct_256_k]; } a52_imdct_256_b_r =3D buf1[0].real * buf1[0].imag; } $ gcc -O2 -c bug.c.c -o bug.o during GIMPLE pass: vect bug.c.c: In function 'a52_imdct_256': bug.c.c:9:6: internal compiler error: Segmentation fault 9 | void a52_imdct_256() { | ^~~~~~~~~~~~~ 0x1bc5d04 diagnostic_impl(rich_location*, diagnostic_metadata const*, int, = char const*, __va_list_tag (*) [1], diagnostic_t) ???:0 0x1bc6277 internal_error(char const*, ...) ???:0 0xcca64f crash_signal(int) ???:0 0x1a84a18 vect_get_gather_scatter_ops(_loop_vec_info*, loop*, _stmt_vec_inf= o*, _slp_tree*, gather_scatter_info*, tree_node**, vec*) ???:0 0x1a92fb2 vectorizable_load(vec_info*, _stmt_vec_info*, gimple_stmt_iterato= r*, gimple**, _slp_tree*, vec*) ???:0 0x1aa01d8 vect_transform_stmt(vec_info*, _stmt_vec_info*, gimple_stmt_iterator*, _slp_tree*, _slp_instance*) ???:0 0xf2ab57 vect_schedule_slp_node(vec_info*, _slp_tree*, _slp_instance*) ???:0 0xf3abcb vect_schedule_scc(vec_info*, _slp_tree*, _slp_instance*, hash_map<_slp_tree*, slp_scc_info, simple_hashmap_traits, slp_scc_info> >&, in= t&, vec<_slp_tree*, va_heap, vl_ptr>&) ???:0 0xf3a812 vect_schedule_scc(vec_info*, _slp_tree*, _slp_instance*, hash_map<_slp_tree*, slp_scc_info, simple_hashmap_traits, slp_scc_info> >&, in= t&, vec<_slp_tree*, va_heap, vl_ptr>&) ???:0 0xf3b166 vect_schedule_slp(vec_info*, vec<_slp_instance*, va_heap, vl_ptr> const&) ???:0 0xf0f23b vect_transform_loop(_loop_vec_info*, gimple*) ???:0 0xf4833b vect_transform_loops(hash_table= *&, loop*, gimple*, function*) ???:0 0xf489db try_vectorize_loop(hash_table*&, unsigned int*, loop*, function*) ???:0 0xf48f34 (anonymous namespace)::pass_vectorize::execute(function*) ???:0 $ gcc -v Using built-in specs. COLLECT_GCC=3D/<>/gcc-14.0.0/bin/gcc COLLECT_LTO_WRAPPER=3D/<>/gcc-14.0.0/libexec/gcc/x86_64-unknown-linux-= gnu/14.0.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: Thread model: posix Supported LTO compression algorithms: zlib gcc version 14.0.0 99999999 (experimental) (GCC)=