diff options
author | Richard Henderson <rth@redhat.com> | 2009-05-29 17:33:46 -0700 |
---|---|---|
committer | Richard Henderson <rth@gcc.gnu.org> | 2009-05-29 17:33:46 -0700 |
commit | cd9c1ca866b6aa5041a352e0ed07ae5f91e235e5 (patch) | |
tree | f977a6cde3ef60ef5e2fd7e916cfad3c81f71215 /gcc/final.c | |
parent | 36bac386ae2339359ebcee2473192c4171c5c7df (diff) | |
download | gcc-cd9c1ca866b6aa5041a352e0ed07ae5f91e235e5.zip gcc-cd9c1ca866b6aa5041a352e0ed07ae5f91e235e5.tar.gz gcc-cd9c1ca866b6aa5041a352e0ed07ae5f91e235e5.tar.bz2 |
cfgcleanup.c (try_crossjump_to_edge): Only skip past NOTE_INSN_BASIC_BLOCK.
* cfgcleanup.c (try_crossjump_to_edge): Only skip past
NOTE_INSN_BASIC_BLOCK.
* cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
Duplicate NOTE_INSN_EPILOGUE_BEG notes.
* cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
to be deleted.
* dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
add in_use field.
(add_cfi): Disable check redefining cfa away from drap.
(lookup_cfa_1): Add remember argument; handle remember/restore.
(lookup_cfa): Pass remember argument.
(cfa_remember): New.
(compute_barrier_args_size_1): Remove sibcall check.
(dwarf2out_frame_debug_def_cfa): New.
(dwarf2out_frame_debug_adjust_cfa): New.
(dwarf2out_frame_debug_cfa_offset): New.
(dwarf2out_frame_debug_cfa_register): New.
(dwarf2out_frame_debug_cfa_restore): New.
(dwarf2out_frame_debug): Handle REG_CFA_* notes.
(dwarf2out_begin_epilogue): New.
(dwarf2out_frame_debug_restore_state): New.
(dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
DW_CFA_restore_state.
(output_cfi_directive): Likewise.
(convert_cfa_to_fb_loc_list): Likewise.
(dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
* dwarf2out.h: Update.
* emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
(copy_insn_1): Early out for null.
* final.c (final_scan_insn): Call dwarf2out_begin_epilogue
and dwarf2out_frame_debug_restore_state.
* function.c (prologue, epilogue, sibcall_epilogue): Remove.
(prologue_insn_hash, epilogue_insn_hash): New.
(free_after_compilation): Adjust freeing accordingly.
(record_insns): Create hash table if needed; push insns into
hash instead of array.
(maybe_copy_epilogue_insn): New.
(contains): Search hash table instead of array.
(sibcall_epilogue_contains): Remove.
(thread_prologue_and_epilogue_insns): Split eh_return insns
and mark them as epilogues.
(reposition_prologue_and_epilogue_notes): Rewrite epilogue
scanning in terms of basic blocks.
* insn-notes.def (CFA_RESTORE_STATE): New.
* jump.c (returnjump_p_1): Accept EH_RETURN.
(eh_returnjump_p_1, eh_returnjump_p): New.
* reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
CFA_REGISTER, CFA_RESTORE): New.
* rtl.def (EH_RETURN): New.
* rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.
* config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
(eh_return_internal): Use eh_return rtx; split w/ epilogue.
* config/i386/i386.c (gen_push): Update cfa state.
(pro_epilogue_adjust_stack): Add set_cfa argument. When true,
add a CFA_ADJUST_CFA note.
(ix86_dwarf_handle_frame_unspec): Remove.
(ix86_expand_prologue): Update cfa state.
(ix86_emit_restore_reg_using_pop): New.
(ix86_emit_restore_regs_using_pop): New.
(ix86_emit_leave): New.
(ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
(ix86_expand_epilogue): Add notes for unwinding the epilogue.
* config/i386/i386.h (struct machine_cfa_state): New.
(ix86_cfa_state): New.
* config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
(eh_return_internal): Merge from eh_return_<mode>,
use eh_return rtx, split w/ epilogue.
From-SVN: r147995
Diffstat (limited to 'gcc/final.c')
-rw-r--r-- | gcc/final.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/final.c b/gcc/final.c index 2f68ee8..785b0906 100644 --- a/gcc/final.c +++ b/gcc/final.c @@ -1879,9 +1879,19 @@ final_scan_insn (rtx insn, FILE *file, int optimize ATTRIBUTE_UNUSED, break; case NOTE_INSN_EPILOGUE_BEG: +#if defined (DWARF2_UNWIND_INFO) && defined (HAVE_epilogue) + if (dwarf2out_do_frame ()) + dwarf2out_begin_epilogue (insn); +#endif targetm.asm_out.function_begin_epilogue (file); break; + case NOTE_INSN_CFA_RESTORE_STATE: +#if defined (DWARF2_UNWIND_INFO) + dwarf2out_frame_debug_restore_state (); +#endif + break; + case NOTE_INSN_FUNCTION_BEG: app_disable (); (*debug_hooks->end_prologue) (last_linenum, last_filename); |