diff options
Diffstat (limited to 'libgcc/crtstuff.c')
| -rw-r--r-- | libgcc/crtstuff.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libgcc/crtstuff.c b/libgcc/crtstuff.c index 5449c4d..5644181 100644 --- a/libgcc/crtstuff.c +++ b/libgcc/crtstuff.c @@ -280,7 +280,10 @@ deregister_tm_clones (void) void (*fn) (void *); #ifdef HAVE_GAS_HIDDEN - if (__TMC_END__ - __TMC_LIST__ == 0) + func_ptr *end = __TMC_END__; + // Do not optimize the comparison to false. + __asm ("" : "+g" (end)); + if (__TMC_LIST__ == end) return; #else if (__TMC_LIST__[0] == NULL) @@ -300,7 +303,10 @@ register_tm_clones (void) size_t size; #ifdef HAVE_GAS_HIDDEN - size = (__TMC_END__ - __TMC_LIST__) / 2; + func_ptr *end = __TMC_END__; + // Do not optimize the comparison to false. + __asm ("" : "+g" (end)); + size = (end - __TMC_LIST__) / 2; #else for (size = 0; __TMC_LIST__[size * 2] != NULL; size++) continue; |