diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/combine.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index 6293bbc..9e14ea6 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -9773,6 +9773,16 @@ distribute_notes (notes, from_insn, i3, i2, elim_i2, elim_i1) all_used = 0; } + /* Check for the case where the register dying partially + overlaps the register set by this insn. */ + if (all_used) + for (i = regno; i < endregno; i++) + if (dead_or_set_regno_p (place, i)) + { + all_used = 0; + break; + } + if (! all_used) { /* Put only REG_DEAD notes for pieces that are |