https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92161
Bug ID: 92161
Summary: [10 Regression] ICE in vect_get_vec_def_for_stmt_copy,
at tree-vect-stmts.c:1687
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Target: powerpc-*-linux-gnu
gfortran-10.0.0-alpha20191013 snapshot (r276943) ICEs when compiling the
following testcase w/ -mvsx -O1 -ftree-loop-vectorize -fno-signed-zeros
-fno-trapping-math:
COMPLEX FUNCTION R1 (ZR, CC, EA, U6)
INTEGER ZR, U6, FZ, J2
COMPLEX EA(*), CC
DOUBLE PRECISION OS, GA, YU, XT
OS = DBLE(REAL(CC))
GA = DBLE(AIMAG(CC))
J2 = 1
DO 5 FZ = 1, ZR
YU = DBLE(REAL(EA(J2)))
XT = DBLE(AIMAG(EA(J2)))
OS = OS + (YU * 2) - (XT * 2)
GA = GA + (YU * 3) + (XT * 3)
J2 = J2 + U6
5 CONTINUE
R1 = CMPLX(REAL(OS), REAL(GA))
RETURN
END
% powerpc-e300c3-linux-gnu-gfortran-10.0.0-alpha20191013 -mvsx -O1
-ftree-loop-vectorize -fno-signed-zeros -fno-trapping-math -c svv5mckh.f
during GIMPLE pass: vect
svv5mckh.f:1:0:
1 | COMPLEX FUNCTION R1 (ZR, CC, EA, U6)
|
internal compiler error: in vect_get_vec_def_for_stmt_copy, at
tree-vect-stmts.c:1687
0x6dc2ed vect_get_vec_def_for_stmt_copy(vec_info*, tree_node*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/tree-vect-stmts.c:1687
0x6dc2ed vect_get_vec_def_for_stmt_copy(vec_info*, tree_node*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/tree-vect-stmts.c:1679
0x109d672 vect_get_vec_defs_for_stmt_copy(vec_info*, vec<tree_node*, va_heap,
vl_ptr>*, vec<tree_node*, va_heap, vl_ptr>*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/tree-vect-stmts.c:1712
0x10a2e26 vectorizable_operation
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/tree-vect-stmts.c:6217
0x10c003a vect_transform_stmt(_stmt_vec_info*, gimple_stmt_iterator*,
_slp_tree*, _slp_instance*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/tree-vect-stmts.c:10769
0x10c2164 vect_transform_loop_stmt
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/tree-vect-loop.c:8106
0x10c75b3 vect_transform_loop(_loop_vec_info*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/tree-vect-loop.c:8333
0x10f5b76 try_vectorize_loop_1
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/tree-vectorizer.c:983
0x10f669e vectorize_loops()
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-10.0.0_alpha20191013/work/gcc-10-20191013/gcc/tree-vectorizer.c:1115
