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PR target/49864
authorrth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 2 Aug 2011 22:18:35 +0000 (22:18 +0000)
committerrth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 2 Aug 2011 22:18:35 +0000 (22:18 +0000)
commitdfe00a8f1c5b0999d2beb7a2d59c27ceeb94faa9
tree3dd838d8e7cbbe356e3db0a0c2bcb80fcfbb4daf
parenteadd7e6b87e44077a0642519602a7c4d2dce3df6
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.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@177218 138bc75d-0d04-0410-961f-82ee72b054a4
13 files changed:
gcc/ChangeLog
gcc/calls.c
gcc/cfgcleanup.c
gcc/combine-stack-adj.c
gcc/combine.c
gcc/dwarf2cfi.c
gcc/emit-rtl.c
gcc/explow.c
gcc/expr.c
gcc/recog.c
gcc/reg-notes.def
gcc/reload1.c
gcc/rtl.h