diff options
| author | Richard Sandiford <richard.sandiford@arm.com> | 2015-06-30 20:55:13 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2015-06-30 20:55:13 +0000 |
| commit | e86a994681b0cad81ea13d29d9ab5f65d40ccc63 (patch) | |
| tree | 2193da8de1f51038b6a2aaffb584896891556546 /gcc/alias.c | |
| parent | ec5d0088148d1d6218f5f503d1c8e67a529dfacd (diff) | |
| download | gcc-e86a994681b0cad81ea13d29d9ab5f65d40ccc63.zip gcc-e86a994681b0cad81ea13d29d9ab5f65d40ccc63.tar.gz gcc-e86a994681b0cad81ea13d29d9ab5f65d40ccc63.tar.bz2 | |
defaults.h (HAVE_epilogue, [...]): Delete.
gcc/
* defaults.h (HAVE_epilogue, gen_epilogue): Delete.
* target-insns.def (epilogue, prologue, sibcall_prologue): New
targetm instruction patterns.
* alias.c (init_alias_analysis): Use them instead of HAVE_*/gen_*
interface.
* calls.c (expand_call): Likewise.
* cfgrtl.c (cfg_layout_finalize): Likewise.
* df-scan.c (df_get_entry_block_def_set): Likewise.
(df_get_exit_block_use_set): Likewise.
* dwarf2cfi.c (pass_dwarf2_frame::gate): Likewise.
* final.c (final_start_function): Likewise.
* function.c (thread_prologue_and_epilogue_insns): Likewise.
(reposition_prologue_and_epilogue_notes): Likewise.
* reorg.c (find_end_label): Likewise.
* toplev.c (process_options): Likewise.
From-SVN: r225208
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; |