https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70098
Bug ID: 70098
Summary: PowerPC64: eigen hits ICE in reload
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: anton at samba dot org
Target Milestone: ---
I hit the following ICE when building eigen:
# g++ -O3 -c test2.cpp
test2.cpp: In function ‘void fn3(Matrix<double, 2, 2>)’:
test2.cpp:59:1: error: unable to generate reloads for:
}
^
(jump_insn 17 12 18 2 (parallel [
(set (pc)
(if_then_else (ne (reg:DI 3 3)
(const_int 1 [0x1]))
(label_ref 25)
(pc)))
(set (reg:DI 156 [ _4 ])
(plus:DI (reg:DI 3 3)
(const_int -1 [0xffffffffffffffff])))
(clobber (reg:CC 172))
(clobber (reg:DI 173))
]) test2.cpp:46 775 {*ctrdi_internal1}
(expr_list:REG_UNUSED (reg:DI 173)
(expr_list:REG_UNUSED (reg:CC 172)
(expr_list:REG_DEAD (reg:DI 3 3)
(int_list:REG_BR_PROB 2900 (nil)))))
-> 25)
test2.cpp:59:1: internal compiler error: in curr_insn_transform, at
lra-constraints.c:3552
0x10a711b3 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
../../gcc/gcc/rtl-error.c:108
0x1093d313 curr_insn_transform
../../gcc/gcc/lra-constraints.c:3552
0x1093e4df lra_constraints(bool)
../../gcc/gcc/lra-constraints.c:4494
0x10923513 lra(_IO_FILE*)
../../gcc/gcc/lra.c:2286
0x108c3ffb do_reload
../../gcc/gcc/ira.c:5396
0x108c3ffb execute
../../gcc/gcc/ira.c:5580
