diff options
Diffstat (limited to 'gcc/except.c')
| -rw-r--r-- | gcc/except.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/gcc/except.c b/gcc/except.c index 36e3f43dca0..d7daec3e602 100644 --- a/gcc/except.c +++ b/gcc/except.c @@ -1830,8 +1830,21 @@ connect_post_landing_pads (void) e->count = src->count; } else - emit_library_call (unwind_resume_libfunc, LCT_THROW, - VOIDmode, 1, cfun->eh->exc_ptr, ptr_mode); + { + emit_library_call (unwind_resume_libfunc, LCT_THROW, + VOIDmode, 1, cfun->eh->exc_ptr, ptr_mode); + + /* What we just emitted was a throwing libcall, so it got a + barrier automatically added after it. If the last insn in + the libcall sequence isn't the barrier, it's because the + target emits multiple insns for a call, and there are insns + after the actual call insn (which are redundant and would be + optimized away). The barrier is inserted exactly after the + call insn, so let's go get that and delete the insns after + it, because below we need the barrier to be the last insn in + the sequence. */ + delete_insns_since (NEXT_INSN (last_call_insn ())); + } seq = get_insns (); end_sequence (); |
