https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84944
Bug ID: 84944
Summary: UBSAN: gcc/optabs.c:6550:26: runtime error: load of
value 131075, which is not a valid value for type
'memmodel'
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: jakub at gcc dot gnu.org
Target Milestone: ---
$ UBSAN_OPTIONS="print_stacktrace=1 halt_on_error=1" ./xgcc -B.
/home/marxin/Programming/gcc2/gcc/testsuite/gcc.target/i386/hle-clear-rel.c
../../gcc/optabs.c:6550:26: runtime error: load of value 131075, which is not a
valid value for type 'memmodel'
#0 0x186dc79 in expand_atomic_store(rtx_def*, rtx_def*, memmodel, bool)
../../gcc/optabs.c:6550
#1 0x9f34ab in expand_builtin_atomic_clear ../../gcc/builtins.c:6352
#2 0xa15c41 in expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode,
int) ../../gcc/builtins.c:7644
#3 0xf5c974 in expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool) ../../gcc/expr.c:10999
#4 0xaa6132 in expand_expr ../../gcc/expr.h:276
#5 0xaa6132 in expand_call_stmt ../../gcc/cfgexpand.c:2690
#6 0xaa6132 in expand_gimple_stmt_1 ../../gcc/cfgexpand.c:3624
#7 0xaa6132 in expand_gimple_stmt ../../gcc/cfgexpand.c:3790
#8 0xaabfe9 in expand_gimple_basic_block ../../gcc/cfgexpand.c:5819
#9 0xac4f59 in execute ../../gcc/cfgexpand.c:6425
#10 0x18f5250 in execute_one_pass(opt_pass*) ../../gcc/passes.c:2497
#11 0x18f85bb in execute_pass_list_1 ../../gcc/passes.c:2586
#12 0x18f8674 in execute_pass_list(function*, opt_pass*)
../../gcc/passes.c:2597
#13 0xbe01ae in cgraph_node::expand() ../../gcc/cgraphunit.c:2139
#14 0xbe4fed in output_in_order ../../gcc/cgraphunit.c:2381
#15 0xbe4fed in symbol_table::compile() ../../gcc/cgraphunit.c:2623
#16 0xbeee87 in symbol_table::compile() ../../gcc/cgraphunit.c:2720
#17 0xbeee87 in symbol_table::finalize_compilation_unit()
../../gcc/cgraphunit.c:2717
#18 0x1d10338 in compile_file ../../gcc/toplev.c:480
#19 0x639d9c in do_compile ../../gcc/toplev.c:2132
#20 0x639d9c in toplev::main(int, char**) ../../gcc/toplev.c:2267
#21 0x63c7fa in main ../../gcc/main.c:39
#22 0x7ffff5cafa86 in __libc_start_main (/lib64/libc.so.6+0x21a86)
#23 0x63c929 in _start
(/home/marxin/Programming/gcc/objdir2/gcc/cc1+0x63c929)
It's caused by fact that
#define IX86_HLE_ACQUIRE (1 << 16)
#define IX86_HLE_RELEASE (1 << 17)
are not defined in memmodel enum.
