https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63424
Bug ID: 63424
Summary: Octave -O3 build: internal compiler error: in
prepare_cmp_insn, at optabs.c:4237
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: david.sherwood at arm dot com
Created attachment 33634
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33634&action=edit
A reduced test case from the Octave build failure
Whilst building Octave with CFLAGS="-O3 -pipe" on target aarch64-linux-gnu I
got the following compiler error:
internal compiler error: in prepare_cmp_insn, at optabs.c:4237
ival = truncate_int (static_cast<unsigned long long> (ival)
^
0xb2b205 prepare_cmp_insn
/work/davshe01/oban-work/src/gcc/gcc/optabs.c:4237
0xb2b288 emit_cmp_and_jump_insns(rtx_def*, rtx_def*, rtx_code, rtx_def*,
machine_mode, int, rtx_def*, int)
/work/davshe01/oban-work/src/gcc/gcc/optabs.c:4381
0x8d3019 do_compare_rtx_and_jump(rtx_def*, rtx_def*, rtx_code, int,
machine_mode, rtx_def*, rtx_def*, rtx_def*, int)
/work/davshe01/oban-work/src/gcc/gcc/dojump.c:1135
0x95c9bf expand_expr_real_2(separate_ops*, rtx_def*, machine_mode,
expand_modifier)
/work/davshe01/oban-work/src/gcc/gcc/expr.c:8855
0x94ff1f expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/work/davshe01/oban-work/src/gcc/gcc/expr.c:9428
0x958a00 expand_expr
/work/davshe01/oban-work/src/gcc/gcc/expr.h:451
0x958a00 expand_operands
/work/davshe01/oban-work/src/gcc/gcc/expr.c:7541
0x95bc92 expand_expr_real_2(separate_ops*, rtx_def*, machine_mode,
expand_modifier)
/work/davshe01/oban-work/src/gcc/gcc/expr.c:9233
0x94ff1f expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
/work/davshe01/oban-work/src/gcc/gcc/expr.c:9428
0x959945 store_expr(tree_node*, rtx_def*, int, bool)
/work/davshe01/oban-work/src/gcc/gcc/expr.c:5337
0x960cbf expand_assignment(tree_node*, tree_node*, bool)
/work/davshe01/oban-work/src/gcc/gcc/expr.c:5123
0x876a0b expand_gimple_stmt_1
/work/davshe01/oban-work/src/gcc/gcc/cfgexpand.c:3274
0x876a0b expand_gimple_stmt
/work/davshe01/oban-work/src/gcc/gcc/cfgexpand.c:3370
0x87ca33 expand_gimple_basic_block
/work/davshe01/oban-work/src/gcc/gcc/cfgexpand.c:5209
0x87e5d6 execute
/work/davshe01/oban-work/src/gcc/gcc/cfgexpand.c:5815
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
I have attached a reduced test case,
Thanks,
David Sherwood.
