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r181014 - in /trunk/gcc: ChangeLog cfglayout.c ...
- From: jakub at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Sat, 05 Nov 2011 19:58:38 -0000
- Subject: r181014 - in /trunk/gcc: ChangeLog cfglayout.c ...
Author: jakub
Date: Sat Nov 5 19:58:37 2011
New Revision: 181014
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181014
Log:
PR tree-optimization/50693
* tree-cfg.c (gimple_can_merge_blocks_p): Allow merging with
non-forced user labels.
(gimple_merge_blocks): Turn non-forced user labels into
debug bind stmt with the label as first operand and reset value.
(gimple_duplicate_bb): Don't duplicate label debug stmts.
* dwarf2out.c (gen_label_die): Handle NOTE_INSN_DELETED_DEBUG_LABEL.
* final.c (final_scan_insn): Likewise.
(rest_of_clean_state): Don't dump NOTE_INSN_DELETED_DEBUG_LABEL.
* var-tracking.c (debug_label_num): New variable.
(delete_debug_insns): Don't delete DEBUG_INSNs for LABEL_DECLs,
instead turn them into NOTE_INSN_DELETED_DEBUG_LABEL notes.
* cfglayout.c (skip_insns_after_block, duplicate_insn_chain): Handle
NOTE_INSN_DELETED_DEBUG_LABEL.
(duplicate_insn_chain): Don't duplicate LABEL_DECL DEBUG_INSNs.
* insn-notes.def (DELETED_DEBUG_LABEL): New note kind.
* print-rtl.c (print_rtx): Handle NOTE_INSN_DELETED_DEBUG_LABEL.
* gengtype.c (adjust_field_rtx_def): Likewise.
* config/i386/i386.c (ix86_output_function_epilogue): For MachO
clear CODE_LABEL_NUMBER of NOTE_INSN_DELETED_DEBUG_LABEL
if their are at the end of function and nop hasn't been emitted.
* config/rs6000/rs6000.c (rs6000_output_function_epilogue): Likewise.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/cfglayout.c
trunk/gcc/config/i386/i386.c
trunk/gcc/config/rs6000/rs6000.c
trunk/gcc/dwarf2out.c
trunk/gcc/final.c
trunk/gcc/gengtype.c
trunk/gcc/insn-notes.def
trunk/gcc/print-rtl.c
trunk/gcc/tree-cfg.c
trunk/gcc/var-tracking.c