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authorrth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>2011-08-02 22:18:35 +0000
committerrth <rth@138bc75d-0d04-0410-961f-82ee72b054a4>2011-08-02 22:18:35 +0000
commitdfe00a8f1c5b0999d2beb7a2d59c27ceeb94faa9 (patch)
tree3dd838d8e7cbbe356e3db0a0c2bcb80fcfbb4daf /gcc/reg-notes.def
parenteadd7e6b87e44077a0642519602a7c4d2dce3df6 (diff)
downloadgcc-dfe00a8f1c5b0999d2beb7a2d59c27ceeb94faa9.tar.gz
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
Diffstat (limited to 'gcc/reg-notes.def')
-rw-r--r--gcc/reg-notes.def5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/reg-notes.def b/gcc/reg-notes.def
index eccac9e9d70..8c8a99a225b 100644
--- a/gcc/reg-notes.def
+++ b/gcc/reg-notes.def
@@ -201,3 +201,8 @@ REG_NOTE (CROSSING_JUMP)
/* This kind of note is generated at each to `setjmp', and similar
functions that can return twice. */
REG_NOTE (SETJMP)
+
+/* Indicates the cumulative offset of the stack pointer accounting
+ for pushed arguments. This will only be generated when
+ ACCUMULATE_OUTGOING_ARGS is false. */
+REG_NOTE (ARGS_SIZE)