https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91454
Bug ID: 91454
Summary: [10 Regression] ICE in
get_attr_avx_partial_xmm_update, at
config/i386/i386.md:1804 since r274481
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: rguenth at gcc dot gnu.org, uros at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Following is causing ICE:
$ gfortran
/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/auto_dealloc_2.f90 -O2
-fno-rerun-cse-after-loop -mavx512vl -march=haswell
/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/auto_dealloc_2.f90:8:0:
8 | program test
|
Error: unrecognizable insn:
(insn 162 16 163 2 (set (subreg:V2DI (reg:DI 169) 0)
(vec_merge:V2DI (vec_duplicate:V2DI (reg:DI 101 [ ubound.0 ]))
(const_vector:V2DI [
(const_int 0 [0]) repeated x2
])
(const_int 1 [0x1])))
"/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/auto_dealloc_2.f90":8:0
-1
(nil))
during RTL pass: rpad
/home/marxin/Programming/gcc/gcc/testsuite/gfortran.dg/auto_dealloc_2.f90:8:0:
internal compiler error: in get_attr_avx_partial_xmm_update, at
config/i386/i386.md:1804
0x6b6b2f _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/home/marxin/Programming/gcc/gcc/rtl-error.c:108
0x6b6b4b _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/home/marxin/Programming/gcc/gcc/rtl-error.c:116
0x7ca746 get_attr_avx_partial_xmm_update(rtx_insn*)
/home/marxin/Programming/gcc/gcc/config/i386/i386.md:1804
0x11b6e61 remove_partial_avx_dependency
/home/marxin/Programming/gcc/gcc/config/i386/i386-features.c:2107
0x11b6e61 execute
/home/marxin/Programming/gcc/gcc/config/i386/i386-features.c:2273
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
