https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122598
Bug ID: 122598
Summary: [16 Regression] ICE: expand_insn, at optabs.cc:8293
with -mavx512f -mgfni
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 62733
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62733&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O -mavx512f -mgfni testcase.c
during RTL pass: expand
testcase.c: In function 'foo':
testcase.c:9:10: internal compiler error: in expand_insn, at optabs.cc:8293
9 | return v;
| ^
0x2e3d30f internal_error(char const*, ...)
/repo/gcc-trunk/gcc/diagnostic-global-context.cc:787
0xe82c37 fancy_abort(char const*, int, char const*)
/repo/gcc-trunk/gcc/diagnostics/context.cc:1806
0x874f61 expand_insn(insn_code, unsigned int, expand_operand*)
/repo/gcc-trunk/gcc/optabs.cc:8293
0x876c41 expand_insn(insn_code, unsigned int, expand_operand*)
/repo/gcc-trunk/gcc/optabs.cc:8264
0x134d912 expand_fn_using_insn
/repo/gcc-trunk/gcc/internal-fn.cc:319
0x11c39f7 expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/repo/gcc-trunk/gcc/expr.cc:11540
0x106fd8f expand_expr(tree_node*, rtx_def*, machine_mode, expand_modifier)
/repo/gcc-trunk/gcc/expr.h:323
0x106fd8f expand_return
/repo/gcc-trunk/gcc/cfgexpand.cc:4164
0x106fd8f expand_gimple_stmt_1
/repo/gcc-trunk/gcc/cfgexpand.cc:4273
0x106fd8f expand_gimple_stmt
/repo/gcc-trunk/gcc/cfgexpand.cc:4382
0x10713a7 expand_gimple_basic_block
/repo/gcc-trunk/gcc/cfgexpand.cc:6501
0x1073807 execute
/repo/gcc-trunk/gcc/cfgexpand.cc:7248
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
