diff options
Diffstat (limited to 'gcc/alias.c')
| -rw-r--r-- | gcc/alias.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/gcc/alias.c b/gcc/alias.c index ca2082e..3e75b91 100644 --- a/gcc/alias.c +++ b/gcc/alias.c @@ -3038,6 +3038,14 @@ init_alias_analysis (void) rpo = XNEWVEC (int, n_basic_blocks_for_fn (cfun)); rpo_cnt = pre_and_rev_post_order_compute (NULL, rpo, false); + /* The prologue/epilogue insns are not threaded onto the + insn chain until after reload has completed. Thus, + there is no sense wasting time checking if INSN is in + the prologue/epilogue until after reload has completed. */ + bool could_be_prologue_epilogue = ((targetm.have_prologue () + || targetm.have_epilogue ()) + && reload_completed); + pass = 0; do { @@ -3076,17 +3084,7 @@ init_alias_analysis (void) { rtx note, set; -#if defined (HAVE_prologue) - static const bool prologue = true; -#else - static const bool prologue = false; -#endif - - /* The prologue/epilogue insns are not threaded onto the - insn chain until after reload has completed. Thus, - there is no sense wasting time checking if INSN is in - the prologue/epilogue until after reload has completed. */ - if ((prologue || HAVE_epilogue) && reload_completed + if (could_be_prologue_epilogue && prologue_epilogue_contains (insn)) continue; |