diff options
Diffstat (limited to 'gcc/bitmap.cc')
| -rw-r--r-- | gcc/bitmap.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/bitmap.cc b/gcc/bitmap.cc index f5a64b4..c3daa91 100644 --- a/gcc/bitmap.cc +++ b/gcc/bitmap.cc @@ -969,8 +969,8 @@ bitmap_set_bit (bitmap head, int bit) if (ptr != 0) { bool res = (ptr->bits[word_num] & bit_val) == 0; - if (res) - ptr->bits[word_num] |= bit_val; + /* Write back unconditionally to avoid branch mispredicts. */ + ptr->bits[word_num] |= bit_val; return res; } |