diff options
| -rw-r--r-- | spill.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/spill.c b/spill.c index 77496f6..2f7ebb2 100644 --- a/spill.c +++ b/spill.c @@ -360,12 +360,17 @@ spill(Fn *fn) bsunion(v, u); } } else if (s1) { - liveon(v, b, s1); + /* avoid reloading temporaries + * in the middle of loops */ + bszero(v); + liveon(w, b, s1); + if (s1->loop >= b->loop) + bsunion(v, w); if (s2) { liveon(u, b, s2); - bscopy(w, u); - bsinter(w, v); - bsunion(v, u); + if (s2->loop >= b->loop) + bsunion(v, u); + bsinter(w, u); } limit2(v, 0, 0, w); } else { |