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| author | Richard Henderson <rth@redhat.com> | 2011-08-02 15:18:35 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2011-08-02 15:18:35 -0700 |
| commit | 9a08d23082fbeb95013dc74dd3611b6b2331e3cb (patch) | |
| tree | 3dd838d8e7cbbe356e3db0a0c2bcb80fcfbb4daf /gcc/combine.c | |
| parent | cde7b553dbabe7d7341998f54979af2190539cd7 (diff) | |
| download | gcc-9a08d23082fbeb95013dc74dd3611b6b2331e3cb.zip gcc-9a08d23082fbeb95013dc74dd3611b6b2331e3cb.tar.gz gcc-9a08d23082fbeb95013dc74dd3611b6b2331e3cb.tar.bz2 | |
re PR debug/49864 (ICE: in maybe_record_trace_start, at dwarf2cfi.c:2439)
PR target/49864
* reg-notes.def (REG_ARGS_SIZE): New.
* calls.c (emit_call_1): Emit REG_ARGS_SIZE for call_pop.
(expand_call): Add REG_ARGS_SIZE to emit_stack_restore.
* cfgcleanup.c (old_insns_match_p): Don't allow cross-jumping to
different stack levels.
* combine-stack-adj.c (adjust_frame_related_expr): Remove.
(maybe_move_args_size_note): New.
(combine_stack_adjustments_for_block): Use it.
* combine.c (distribute_notes): Place REG_ARGS_SIZE.
* dwarf2cfi.c (dw_cfi_row_struct): Remove args_size member.
(dw_trace_info): Add beg_true_args_size, end_true_args_size,
beg_delay_args_size, end_delay_args_size, eh_head, args_size_undefined.
(cur_cfa): New.
(queued_args_size): Remove.
(add_cfi_args_size): Assert size is non-negative.
(stack_adjust_offset, dwarf2out_args_size): Remove.
(dwarf2out_stack_adjust, dwarf2out_notice_stack_adjust): Remove.
(notice_args_size, notice_eh_throw): New.
(dwarf2out_frame_debug_def_cfa): Use cur_cfa.
(dwarf2out_frame_debug_adjust_cfa): Likewise.
(dwarf2out_frame_debug_cfa_offset): Likewise.
(dwarf2out_frame_debug_expr): Likewise. Don't stack_adjust_offset.
(dwarf2out_frame_debug): Don't handle non-frame-related-p insns.
(change_cfi_row): Don't emit args_size.
(maybe_record_trace_start_abnormal): Split out from ...
(maybe_record_trace_start): Here. Set args_size_undefined.
(create_trace_edges): Update to match.
(scan_trace): Handle REG_ARGS_SIZE.
(connect_traces): Connect args_size between EH insns.
* emit-rtl.c (try_split): Handle REG_ARGS_SIZE.
* explow.c (suppress_reg_args_size): New.
(adjust_stack_1): Split out from ...
(adjust_stack): ... here.
(anti_adjust_stack): Use it.
(allocate_dynamic_stack_space): Suppress REG_ARGS_SIZE.
* expr.c (mem_autoinc_base): New.
(fixup_args_size_notes): New.
(emit_single_push_insn_1): Rename from emit_single_push_insn.
(emit_single_push_insn): New. Generate REG_ARGS_SIZE.
* recog.c (peep2_attempt): Handle REG_ARGS_SIZE.
* reload1.c (reload_as_needed): Likewise.
* rtl.h (fixup_args_size_notes): Declare.
From-SVN: r177218
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index b5cf245..c24f081 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -13273,6 +13273,16 @@ distribute_notes (rtx notes, rtx from_insn, rtx i3, rtx i2, rtx elim_i2, } break; + case REG_ARGS_SIZE: + { + /* ??? How to distribute between i3-i1. Assume i3 contains the + entire adjustment. Assert i3 contains at least some adjust. */ + int old_size, args_size = INTVAL (XEXP (note, 0)); + old_size = fixup_args_size_notes (PREV_INSN (i3), i3, args_size); + gcc_assert (old_size != args_size); + } + break; + case REG_NORETURN: case REG_SETJMP: /* These notes must remain with the call. It should not be |