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