From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 6B4933858CDA; Wed, 24 Jan 2024 03:14:07 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6B4933858CDA DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1706066047; bh=kIuYOjIoRWfusdycUYS5e/1XDnxeeyy9npPbyv308es=; h=From:To:Subject:Date:From; b=dyEOUMnGaRZAtWsC+8UrNgbZQMsF39LwCHMOh1XP31/GdY+xH/t/PRNS+xA6MdpdE pYLlBhOYgo0WSNbs6hMeevJxwJRus2qJhxWGRPY/2Mj7cNnOnqxYuCTz0+qSTFc4+9 chNiJyw+nauG3dETQ77G+/MkyB/GDXtfJBO7cRoI= From: "mpolacek at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/113573] New: aarch64: internal compiler error in mark_label_nuses Date: Wed, 24 Jan 2024 03:14:06 +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: 14.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: mpolacek 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=3D113573 Bug ID: 113573 Summary: aarch64: internal compiler error in mark_label_nuses Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: mpolacek at gcc dot gnu.org Target Milestone: --- With the test below (should be cleaned up a bit) I get: $ ./cc1 -quiet -Iinclude rtl.c -O0 $ ./cc1 -quiet -Iinclude rtl.c -O during RTL pass: split1 rtl.c: In function =E2=80=98jsimd_extbgrx_ycc_convert_neon=E2=80=99: rtl.c:38:1: internal compiler error: Segmentation fault 38 | } | ^ 0x10534af crash_signal /home/mpolacek/src/gcc/gcc/toplev.cc:317 0x7f1de238d99f ??? =20=20=20=20=20=20=20 /usr/src/debug/glibc-2.38-14.fc39.x86_64/signal/../sysdeps/unix/sysv/linux/= x86_64/libc_sigaction.c:0 0xbf42bd mark_label_nuses /home/mpolacek/src/gcc/gcc/emit-rtl.cc:3896 0xbf432a mark_label_nuses /home/mpolacek/src/gcc/gcc/emit-rtl.cc:3907 0xbf4309 mark_label_nuses /home/mpolacek/src/gcc/gcc/emit-rtl.cc:3904 0xbf914e try_split(rtx_def*, rtx_insn*, int) /home/mpolacek/src/gcc/gcc/emit-rtl.cc:4093 0xfae317 split_insn /home/mpolacek/src/gcc/gcc/recog.cc:3405 0xfb3997 split_all_insns() /home/mpolacek/src/gcc/gcc/recog.cc:3509 0xfb3ab8 execute /home/mpolacek/src/gcc/gcc/recog.cc:4433 $ cat rtl.c #pragma GCC aarch64 "arm_neon.h" typedef __Uint8x8_t uint8x8_t; typedef __Uint16x4_t uint16x4_t; typedef __Int16x8_t int16x8_t; typedef __Uint16x8_t uint16x8_t; int jsimd_extbgrx_ycc_convert_neon_image_width, jsimd_extbgrx_ycc_convert_neon___trans_tmp_1; uint16x4_t jsimd_extbgrx_ycc_convert_neon___trans_tmp_2; uint16x8_t vcombine_u16(); uint16x8_t vmovl_u8(uint8x8_t __a) { return __builtin_aarch64_uxtlv8hi_uu(__a); } __inline int __attribute__((__gnu_inline__)) vmull_laneq_u16(); uint8x8x4_t vld4_u8(); void jsimd_extbgrx_ycc_convert_neon() { int scaled_128_5 =3D jsimd_extbgrx_ycc_convert_neon___trans_tmp_1, cols_remaining =3D jsimd_extbgrx_ycc_convert_neon_image_width; for (;;) if (cols_remaining) { uint8x8x4_t input_pixels =3D vld4_u8(); uint16x8_t r =3D vmovl_u8(input_pixels.val[2]); uint16x8_t g =3D vmovl_u8(input_pixels.val[1]); uint16x8_t b =3D vmovl_u8(input_pixels.val[0]); int y_l =3D vmull_laneq_u16(r); uint16x8_t __a =3D g; jsimd_extbgrx_ycc_convert_neon___trans_tmp_2 =3D (uint16x4_t)__builtin_aarch64_get_lowv8hi((int16x8_t)__a); __a =3D b; int cb_l =3D scaled_128_5; int cb_h =3D scaled_128_5; int cr_l =3D scaled_128_5; int cr_h =3D scaled_128_5; uint16x8_t y_u16 =3D vcombine_u16(y_l); uint16x8_t cb_u16 =3D vcombine_u16(cb_l, cb_h); uint16x8_t cr_u16 =3D vcombine_u16(cr_l, cr_h); __a =3D y_u16 =3D cb_u16 =3D cr_u16; } }=