http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58690
Bug ID: 58690
Summary: internal compiler error: in copy_to_mode_reg, at
explow.c:641
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: hjl.tools at gmail dot com
CC: ubizjak at gmail dot com
[hjl@gnu-6 gcc]$ cat /tmp/foo.c
struct gomp_team_state
{
void *team;
void *work_share;
void *last_work_share;
unsigned team_id;
unsigned level;
unsigned active_level;
unsigned place_partition_off;
unsigned place_partition_len;
unsigned long single_count;
unsigned long static_trip;
};
struct gomp_thread
{
void (*fn) (void *data);
void *data;
struct gomp_team_state ts;
};
extern __thread struct gomp_thread gomp_tls_data;
static inline struct gomp_thread *gomp_thread (void)
{
return &gomp_tls_data;
}
void
foo (void)
{
struct gomp_thread *thr = gomp_thread ();
__builtin_memset (thr, '\0', sizeof (*thr));
}
[hjl@gnu-6 gcc]$ ./xgcc -B./ -mx32 -O /tmp/foo.c -S
/tmp/foo.c: In function ‘foo’:
/tmp/foo.c:29:20: internal compiler error: in copy_to_mode_reg, at explow.c:641
__builtin_memset (thr, '\0', sizeof (*thr));
^
0x79cb0a copy_to_mode_reg(machine_mode, rtx_def*)
/export/gnu/import/git/gcc/gcc/explow.c:641
0x79ca88 copy_addr_to_reg(rtx_def*)
/export/gnu/import/git/gcc/gcc/explow.c:625
0xe27919 ix86_expand_setmem(rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*,
rtx_def*)
/export/gnu/import/git/gcc/gcc/config/i386/i386.c:23439
0xeff035 gen_setmemsi(rtx_def*, rtx_def*, rtx_def*, rtx_def*, rtx_def*,
rtx_def*)
/export/gnu/import/git/gcc/gcc/config/i386/i386.md:15641
0x9f79f6 insn_gen_fn::operator()(rtx_def*, rtx_def*, rtx_def*, rtx_def*,
rtx_def*, rtx_def*) const
/export/gnu/import/git/gcc/gcc/recog.h:288
0x9f7249 maybe_gen_insn(insn_code, unsigned int, expand_operand*)
/export/gnu/import/git/gcc/gcc/optabs.c:8227
0x9f73b6 maybe_expand_insn(insn_code, unsigned int, expand_operand*)
/export/gnu/import/git/gcc/gcc/optabs.c:8247
0x7b7f61 set_storage_via_setmem(rtx_def*, rtx_def*, rtx_def*, unsigned int,
unsigned int, long)
/export/gnu/import/git/gcc/gcc/expr.c:2902
0x7b7926 clear_storage_hints(rtx_def*, rtx_def*, block_op_methods, unsigned
int, long)
/export/gnu/import/git/gcc/gcc/expr.c:2748
0x669c97 expand_builtin_memset_args
/export/gnu/import/git/gcc/gcc/builtins.c:3640
0x6697e4 expand_builtin_memset
/export/gnu/import/git/gcc/gcc/builtins.c:3530
0x670d96 expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode, int)
/export/gnu/import/git/gcc/gcc/builtins.c:6111
0x7d2355 expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**)
/export/gnu/import/git/gcc/gcc/expr.c:10205
0x6b82a5 expand_call_stmt
/export/gnu/import/git/gcc/gcc/cfgexpand.c:2182
0x6b839f expand_gimple_stmt_1
/export/gnu/import/git/gcc/gcc/cfgexpand.c:2220
0x6b89ec expand_gimple_stmt
/export/gnu/import/git/gcc/gcc/cfgexpand.c:2372
0x6bee5d expand_gimple_basic_block
/export/gnu/import/git/gcc/gcc/cfgexpand.c:4211
0x6c08ec gimple_expand_cfg
/export/gnu/import/git/gcc/gcc/cfgexpand.c:4730
0x6c0f76 execute
/export/gnu/import/git/gcc/gcc/cfgexpand.c:4944
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.
[hjl@gnu-6 gcc]$
