diff options
Diffstat (limited to 'gcc/config/alpha/alpha.c')
| -rw-r--r-- | gcc/config/alpha/alpha.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c index 48696b5ddbd..fee5cd11115 100644 --- a/gcc/config/alpha/alpha.c +++ b/gcc/config/alpha/alpha.c @@ -4780,7 +4780,14 @@ alpha_gp_save_rtx (void) seq = get_insns (); end_sequence (); - emit_insn_at_entry (seq); + + /* We used to simply emit the sequence after entry_of_function. + However this breaks the CFG if the first instruction in the + first block is not the NOTE_INSN_BASIC_BLOCK, for example a + label. Emit the sequence properly on the edge. We are only + invoked from dw2_build_landing_pads and finish_eh_generation + will call commit_edge_insertions thanks to a kludge. */ + insert_insn_on_edge (seq, single_succ_edge (ENTRY_BLOCK_PTR)); cfun->machine->gp_save_rtx = m; } |