diff options
Diffstat (limited to 'gcc/sched-deps.c')
| -rw-r--r-- | gcc/sched-deps.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c index c3dc5793d23..5a6a30a63c7 100644 --- a/gcc/sched-deps.c +++ b/gcc/sched-deps.c @@ -1598,8 +1598,12 @@ sched_analyze_insn (struct deps *deps, rtx x, rtx insn) /* If this instruction can throw an exception, then moving it changes where block boundaries fall. This is mighty confusing elsewhere. - Therefore, prevent such an instruction from being moved. */ - if (can_throw_internal (insn)) + Therefore, prevent such an instruction from being moved. Same for + non-jump instructions that define block boundaries. + ??? Unclear whether this is still necessary in EBB mode. If not, + add_branch_dependences should be adjusted for RGN mode instead. */ + if (((CALL_P (insn) || JUMP_P (insn)) && can_throw_internal (insn)) + || (NONJUMP_INSN_P (insn) && control_flow_insn_p (insn))) reg_pending_barrier = MOVE_BARRIER; /* Add dependencies if a scheduling barrier was found. */ |