diff options
Diffstat (limited to 'gcc/optabs.c')
| -rw-r--r-- | gcc/optabs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/optabs.c b/gcc/optabs.c index bcb11b5432f..5da604d6e27 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -3021,7 +3021,8 @@ no_conflict_move_test (rtx dest, rtx set, void *p0) return; /* If this insn sets / clobbers a register that feeds one of the insns already in the list, this insn has to stay too. */ - else if (reg_mentioned_p (dest, PATTERN (p->first)) + else if (reg_overlap_mentioned_p (dest, PATTERN (p->first)) + || (CALL_P (p->first) && (find_reg_fusage (p->first, USE, dest))) || reg_used_between_p (dest, p->first, p->insn) /* Likewise if this insn depends on a register set by a previous insn in the list. */ |
