diff options
Diffstat (limited to 'gcc/cfgloopmanip.c')
-rw-r--r-- | gcc/cfgloopmanip.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/cfgloopmanip.c b/gcc/cfgloopmanip.c index a0e3e30..3e34aad 100644 --- a/gcc/cfgloopmanip.c +++ b/gcc/cfgloopmanip.c @@ -1689,10 +1689,13 @@ lv_adjust_loop_entry_edge (basic_block first_head, basic_block second_head, This transformation given a condition and a loop, creates -if (condition) { loop_copy1 } else { loop_copy2 }, where loop_copy1 is the loop transformed in one way, and loop_copy2 - is the loop transformed in another way (or unchanged). 'condition' + is the loop transformed in another way (or unchanged). COND_EXPR may be a run time test for things that were not resolved by static analysis (overlapping ranges (anti-aliasing), alignment, etc.). + If non-NULL, CONDITION_BB is set to the basic block containing the + condition. + THEN_PROB is the probability of the then edge of the if. THEN_SCALE is the ratio by that the frequencies in the original loop should be scaled. ELSE_SCALE is the ratio by that the frequencies in the |