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From: "cnsun at uwaterloo dot ca" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c/100549] New: ICE: Segmentation fault, gsi_insert_seq_nodes_before, during GIMPLE pass: lower Date: Tue, 11 May 2021 21:23:15 +0000 [thread overview] Message-ID: <bug-100549-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100549 Bug ID: 100549 Summary: ICE: Segmentation fault, gsi_insert_seq_nodes_before, during GIMPLE pass: lower Product: gcc Version: tree-ssa Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: cnsun at uwaterloo dot ca Target Milestone: --- $ gcc-trunk -v Using built-in specs. COLLECT_GCC=gcc-trunk COLLECT_LTO_WRAPPER=/scratch/software/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /tmp/tmp.FUbEknNORK-gcc-builder/gcc/configure --enable-languages=c,c++,lto --enable-checking-yes --enable-multiarch --prefix=/scratch/software/gcc-trunk --disable-bootstrap Thread model: posix Supported LTO compression algorithms: zlib gcc version 12.0.0 20210511 (experimental) [master revision :7db32cac8:aa891c56f25baac94db004e309d1b6e40b770a95] (GCC) $ cat mutant.c typedef short v8hi __attribute__((vector_size(16))); f6(v8hi a) { __builtin_ia32_pcmpgtw128(a, a); } $ gcc-trunk -O0 mutant.c mutant.c:2:1: warning: return type defaults to ‘int’ [-Wimplicit-int] 2 | f6(v8hi a) { __builtin_ia32_pcmpgtw128(a, a); } | ^~ during GIMPLE pass: lower mutant.c: In function ‘f6’: mutant.c:2:1: internal compiler error: Segmentation fault 0xef7273 crash_signal /tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/toplev.c:327 0xbebb17 gsi_insert_seq_nodes_before /tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/gimple-iterator.c:130 0x12a30c6 ix86_gimple_fold_builtin(gimple_stmt_iterator*) /tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/config/i386/i386.c:18003 0xc01508 gimple_fold_call /tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/gimple-fold.c:5586 0xc0288b fold_stmt_1 /tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/gimple-fold.c:6283 0x19177c3 lower_stmt /tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/gimple-low.c:388 0x19177c3 lower_sequence /tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/gimple-low.c:217 0x191766d lower_gimple_bind /tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/gimple-low.c:473 0x191852d lower_function_body /tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/gimple-low.c:110 0x191852d execute /tmp/tmp.FUbEknNORK-gcc-builder/gcc/gcc/gimple-low.c:195 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions.
next reply other threads:[~2021-05-11 21:23 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-11 21:23 cnsun at uwaterloo dot ca [this message] 2021-05-12 9:38 ` [Bug target/100549] [12 Regression] ICE: Segmentation fault with __builtin_ia32_pcmpgtw128 since r12-110-gc54a9f7259fce1a2 marxin at gcc dot gnu.org 2021-05-13 0:59 ` crazylht at gmail dot com 2021-05-13 1:56 ` crazylht at gmail dot com 2021-05-17 12:04 ` cvs-commit at gcc dot gnu.org 2021-05-17 15:13 ` rguenth at gcc dot gnu.org 2021-05-17 15:13 ` rguenth at gcc dot gnu.org
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