diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/loop.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 72179e2..9eefe70 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (strength_reduce): Fix sign of giv lifetime calculation + for givs made from biv increments. + Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com> * configure.in (alpha-osf, alpha-linux): Handle ev6[78]. @@ -4480,7 +4480,7 @@ strength_reduce (scan_start, end, loop_top, insn_count, } v->last_use = last_use_insn; - v->lifetime = INSN_LUID (v->insn) - INSN_LUID (last_use_insn); + v->lifetime = INSN_LUID (last_use_insn) - INSN_LUID (v->insn); /* If the lifetime is zero, it means that this register is really a dead store. So mark this as a giv that can be ignored. This will not prevent the biv from being eliminated. */ |