https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95256
Bug ID: 95256
Summary: [11 Regression] ICE in convert_move, at expr.c:278
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: ice-on-valid-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
gcc-11.0.0-alpha20200517 snapshot (g:2b9a271b2d0ba340234a138b7f8289bd7dca2fc5)
ICEs when compiling the following testcase w/ -march=skylake-avx512 -O1
-ftree-slp-vectorize:
struct cy {
long int m5;
long int i3;
};
void
ys (struct cy *jl, float u6)
{
jl->m5 = u6;
jl->i3 = u6;
}
x86_64-unknown-linux-gnu-gcc-11.0.0 -march=skylake-avx512 -O1
-ftree-slp-vectorize -c mwwf4yc9.c
during RTL pass: expand
mwwf4yc9.c: In function 'ys':
mwwf4yc9.c:9:10: internal compiler error: in convert_move, at expr.c:278
9 | jl->m5 = u6;
| ~~~~~~~^~~~
0x6212ce convert_move(rtx_def*, rtx_def*, int)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/expr.c:278
0xa27290 convert_modes(machine_mode, machine_mode, rtx_def*, int)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/expr.c:737
0xc94665 expand_fix(rtx_def*, rtx_def*, int)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200517/work/gcc-11-20200517/gcc/optabs.c:4991
0xa1d1c5 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:9139
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
