diff options
Diffstat (limited to 'gcc/ifcvt.c')
| -rw-r--r-- | gcc/ifcvt.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c index 9df57bb1574..70d4ef4d17d 100644 --- a/gcc/ifcvt.c +++ b/gcc/ifcvt.c @@ -2711,13 +2711,18 @@ cond_move_process_if_block (struct ce_if_block *ce_info) static int process_if_block (struct ce_if_block * ce_info) { - if (! reload_completed - && noce_process_if_block (ce_info)) - return TRUE; + /* Only perform the noce transformations before register allocation. + They could be made to run later, but this would require a lot of + work, and it doesn't seem to be worth it. */ + if (! reload_completed) + { + if (noce_process_if_block (ce_info)) + return TRUE; - if (HAVE_conditional_move - && cond_move_process_if_block (ce_info)) - return TRUE; + if (HAVE_conditional_move + && cond_move_process_if_block (ce_info)) + return TRUE; + } if (HAVE_conditional_execution && reload_completed) { |