https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95211
Bug ID: 95211
Summary: [11 Regression] ICE in emit_unop_insn, at
optabs.c:3622
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Target: x86_64-unknown-linux-gnu
gcc-11.0.0-alpha20200517 snapshot (g:2b9a271b2d0ba340234a138b7f8289bd7dca2fc5)
ICEs when compiling the following testcase w/ -march=skylake-avx512 -O3:
% x86_64-unknown-linux-gnu-gcc-11.0.0 -march=skylake-avx512 -O3 -c pvhda4vr.c
during RTL pass: expand
pvhda4vr.c: In function 'ml':
pvhda4vr.c:11:12: internal compiler error: in emit_unop_insn, at optabs.c:3622
11 | tp[cm] = ha[cm] + 1.0f;
| ~~~~~~~^~~~~~~~~~~~~~~
0x681295 emit_unop_insn(insn_code, rtx_def*, rtx_def*, rtx_code)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/optabs.c:3622
0x681dee emit_unop_insn(insn_code, rtx_def*, rtx_def*, rtx_code)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/optabs.c:4933
0x681dee expand_float(rtx_def*, rtx_def*, int)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/optabs.c:4803
0xa1d278 expand_expr_real_2(separate_ops*, rtx_def*, machine_mode,
expand_modifier)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/expr.c:9151
0xa2352a expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/expr.c:10054
0xa2c184 expand_expr
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/expr.h:282
0xa2c184 expand_operands(tree_node*, tree_node*, rtx_def*, rtx_def**,
rtx_def**, expand_modifier)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/expr.c:7954
0xa1b878 expand_expr_real_2(separate_ops*, rtx_def*, machine_mode,
expand_modifier)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/expr.c:8850
0xa2352a expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/expr.c:10054
0xa1d19d expand_expr_real(tree_node*, rtx_def*, machine_mode, expand_modifier,
rtx_def**, bool)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/expr.c:8358
0xa1d19d expand_normal
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/expr.h:288
0xa1d19d expand_expr_real_2(separate_ops*, rtx_def*, machine_mode,
expand_modifier)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/expr.c:9136
0xa2352a expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/expr.c:10054
0xa3056a expand_expr_real(tree_node*, rtx_def*, machine_mode, expand_modifier,
rtx_def**, bool)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/expr.c:8358
0xa3056a expand_expr
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/expr.h:282
0xa3056a expand_assignment(tree_node*, tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/expr.c:5090
0x8fdf17 expand_gimple_stmt_1
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/cfgexpand.c:3749
0x8fdf17 expand_gimple_stmt
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/cfgexpand.c:3847
0x903b11 expand_gimple_basic_block
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/cfgexpand.c:5887
0x9055f6 execute
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/cfgexpand.c:6571
