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From: "asolokha at gmx dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/106742] New: ICE in gen_lowpart_general, at rtlhooks.cc:57, or ICE in expand_vec_perm_broadcast_1, at config/i386/i386-expand.cc:21870 Date: Thu, 25 Aug 2022 15:39:40 +0000 [thread overview] Message-ID: <bug-106742-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106742 Bug ID: 106742 Summary: ICE in gen_lowpart_general, at rtlhooks.cc:57, or ICE in expand_vec_perm_broadcast_1, at config/i386/i386-expand.cc:21870 Product: gcc Version: 13.0 Status: UNCONFIRMED Keywords: ice-on-invalid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: asolokha at gmx dot com Target Milestone: --- Target: x86_64-unknown-linux-gnu 1. gcc 13.0.0 20220821 snapshot (g:d6a39c25c05c6ed5df8ce49eda719d17e40e29bb) ICEs when compiling the following testcase, reduced from gcc/testsuite/gcc.target/i386/vect-bfloat16-2a.c, w/ -O1: typedef __bf16 v8bf __attribute__ ((__vector_size__ (16))); v8bf vec_init_dup_v8bf (__bf16 a1) { return __extension__ (v8bf) { a1, a1, a1, a1, a1, a1, a1, a1 }; } % x86_64-unknown-linux-gnu-gcc-13.0.0 -O1 -c miuyjavi.c during RTL pass: expand miuyjavi.c: In function 'vec_init_dup_v8bf': miuyjavi.c:6:10: internal compiler error: in gen_lowpart_general, at rtlhooks.cc:57 6 | return __extension__ (v8bf) { a1, a1, a1, a1, a1, a1, a1, a1 }; | ^~~~~~~~~~~~~ 0x72fbae gen_lowpart_general(machine_mode, rtx_def*) /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/rtlhooks.cc:57 0x136df8b ix86_expand_vector_init_duplicate(bool, machine_mode, rtx_def*, rtx_def*) /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/config/i386/i386-expand.cc:15044 0x1371b6b ix86_expand_vector_init(bool, rtx_def*, rtx_def*) /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/config/i386/i386-expand.cc:16090 0x1a3c5ad ??? /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/config/i386/sse.md:26600 0xb347a8 rtx_insn* insn_gen_fn::operator()<rtx_def*, rtx_def*>(rtx_def*, rtx_def*) const /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/recog.h:407 0xb347a8 store_constructor(tree_node*, rtx_def*, int, poly_int<1u, long>, bool) /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/expr.cc:7407 0xb3760d expand_constructor /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/expr.cc:8745 0xb23daa expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/expr.cc:10990 0xb24d66 expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/expr.cc:10629 0x9f0bac expand_expr /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/expr.h:310 0x9f0bac expand_return /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/cfgexpand.cc:3809 0x9f0bac expand_gimple_stmt_1 /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/cfgexpand.cc:3918 0x9f0bac expand_gimple_stmt /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/cfgexpand.cc:4044 0x9f67b7 expand_gimple_basic_block /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/cfgexpand.cc:6096 0x9f8357 execute /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/cfgexpand.cc:6822 2. W/ -O0, it yields the following instead: % x86_64-unknown-linux-gnu-gcc-13.0.0 -O0 -c miuyjavi.c during RTL pass: expand miuyjavi.c: In function 'vec_init_dup_v8bf': miuyjavi.c:6:10: internal compiler error: in expand_vec_perm_broadcast_1, at config/i386/i386-expand.cc:21870 6 | return __extension__ (v8bf) { a1, a1, a1, a1, a1, a1, a1, a1 }; | ^~~~~~~~~~~~~ 0x7d0713 expand_vec_perm_broadcast_1 /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/config/i386/i386-expand.cc:21870 0x136dd01 ix86_expand_vector_init_duplicate(bool, machine_mode, rtx_def*, rtx_def*) /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/config/i386/i386-expand.cc:15055 0x1371b6b ix86_expand_vector_init(bool, rtx_def*, rtx_def*) /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/config/i386/i386-expand.cc:16090 0x1a3c5ad ??? /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/config/i386/sse.md:26600 0xb347a8 rtx_insn* insn_gen_fn::operator()<rtx_def*, rtx_def*>(rtx_def*, rtx_def*) const /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/recog.h:407 0xb347a8 store_constructor(tree_node*, rtx_def*, int, poly_int<1u, long>, bool) /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/expr.cc:7407 0xb3760d expand_constructor /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/expr.cc:8745 0xb23daa expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/expr.cc:10990 0xb30bdd store_expr(tree_node*, rtx_def*, int, bool, bool) /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/expr.cc:6155 0xb32433 expand_assignment(tree_node*, tree_node*, bool) /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/expr.cc:5876 0x9efdac expand_gimple_stmt_1 /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/cfgexpand.cc:3946 0x9efdac expand_gimple_stmt /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/cfgexpand.cc:4044 0x9f67b7 expand_gimple_basic_block /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/cfgexpand.cc:6096 0x9f8357 execute /var/tmp/portage/sys-devel/gcc-13.0.0_p20220821/work/gcc-13-20220821/gcc/cfgexpand.cc:6822 Note the command line lacks -mavx512fp16 in both cases.
next reply other threads:[~2022-08-25 15:39 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-08-25 15:39 asolokha at gmx dot com [this message] 2022-08-26 2:08 ` [Bug target/106742] " crazylht at gmail dot com 2022-08-26 12:41 ` marxin at gcc dot gnu.org 2022-09-05 6:40 ` cvs-commit at gcc dot gnu.org 2022-09-05 6:45 ` lingling.kong7 at gmail dot com 2022-10-21 16:40 ` pinskia at gcc dot gnu.org
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