diff options
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index e7f7eab4fe2..80c0adb1a35 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -5303,11 +5303,14 @@ set_dst_reg_note (rtx insn, enum reg_note kind, rtx datum, rtx dst) return NULL_RTX; } -/* Emit the rtl pattern X as an appropriate kind of insn. +/* Emit the rtl pattern X as an appropriate kind of insn. Also emit a + following barrier if the instruction needs one and if ALLOW_BARRIER_P + is true. + If X is a label, it is simply added into the insn chain. */ rtx_insn * -emit (rtx x) +emit (rtx x, bool allow_barrier_p) { enum rtx_code code = classify_insn (x); @@ -5320,7 +5323,8 @@ emit (rtx x) case JUMP_INSN: { rtx_insn *insn = emit_jump_insn (x); - if (any_uncondjump_p (insn) || GET_CODE (x) == RETURN) + if (allow_barrier_p + && (any_uncondjump_p (insn) || GET_CODE (x) == RETURN)) return emit_barrier (); return insn; } |