Revert revision 164552.
gcc/
2010-11-03 H.J. Lu <hongjiu.lu@intel.com>
PR rtl-optimization/45865
* Makefile.in (df-problems.o): Revert revision 164552.
* basic-block.h (enum bb_flags): Likewise.
* cfgcleanup.c (block_was_dirty): Likewise.
(try_forward_edges): Likewise.
(try_crossjump_bb): Likewise.
(try_head_merge_bb): Likewise.
(try_optimize_cfg): Likewise.
(cleanup_cfg): Likewise.
* df-core.c (df_set_bb_dirty): Likewise.
* df-problems.c: Likewise.
(df_simulate_find_uses): Likewise.
(MEMREF_NORMAL, MEMREF_VOLATILE): Likewise.
(find_memory, find_memory_store): Likewise.
(can_move_insns_across): Likewise.
* df.h (can_move_insns_across): Likewise.
* ifcvt.c (find_memory): Likewise.
(dead_or_predicable): Likewise.
gcc/testsuite/
2010-11-03 H.J. Lu <hongjiu.lu@intel.com>
PR rtl-optimization/45865
* gcc.dg/pr45865.c: New.
* gcc.dg/torture/pr45865.c: Likewise.
* gcc.target/arm/headmerge-1.c: Revert revision 164552.
* gcc.target/arm/headmerge-2.c: Likewise.
* gcc.target/i386/headmerge-1.c: Likewise.
* gcc.target/i386/headmerge-2.c: Likewise.
From-SVN: r166259
15 files changed: