diff options
| -rw-r--r-- | gcc/reorg.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/reorg.c b/gcc/reorg.c index e237b07..b750528 100644 --- a/gcc/reorg.c +++ b/gcc/reorg.c @@ -2081,6 +2081,12 @@ mark_target_live_regs (target, res) #endif ) CLEAR_HARD_REG_BIT (current_live_regs, i); + + /* A CALL_INSN sets any global register live, since it may + have been modified by the call. */ + for (i = 0; i < FIRST_PSEUDO_REGISTER; i++) + if (global_regs[i]) + SET_HARD_REG_BIT (current_live_regs, i); } /* Mark anything killed in an insn to be deadened at the next |