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2004-08-25 Andrew MacLeod <amacleod@redhat.com>
authoramacleod <amacleod@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 25 Aug 2004 21:21:19 +0000 (21:21 +0000)
committeramacleod <amacleod@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 25 Aug 2004 21:21:19 +0000 (21:21 +0000)
commit43daa21e7c3b20f510ed5e16e2aef1b806d69d2b
tree22414e194e2c3d5262c72554997d72332edaa89c
parentdc5fda0ed00721c5c3c4d23e13ba4be8897c4c20
2004-08-25  Andrew MacLeod  <amacleod@redhat.com>

* tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
iterator controlling structure.
(SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
iterator flags.
(FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
(FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
(FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
(FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
* tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
Empty operand pointers.
* tree-flow-inline.h (op_iter_done): New.  Return true if finished.
(op_iter_next_use): New.  Return next use_operand_p.
(op_iter_next_def): New.  Return next def_operand_p.
(op_iter_next_tree): New.  Return next operands as a tree.
(op_iter_init): New.  Initialize an iterator structure.
(op_iter_init_use): New.  Initialize structure and get the first use.
(op_iter_init_def): New.  Initialize structure and get the first def.
(op_iter_init_tree): New.  Initialize structure and get the first tree.
(op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
(op_iter_init_maydef): New.  Initialize structure and get the first
V_MAY_DEF operands.
* tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
* tree-dfa.c (compute_immediate_uses_for_stmt,
redirect_immediate_uses): Use new operand iterator.
(v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
(mark_new_vars_to_rename): Use new operand iterator.  Count virtual
operands instead of using *_disappeared_p routines.
* tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
ssa_rewrite_stmt): Use new operand iterator.
* tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
rewrite_trees): Use new operand iterator.
* tree-pretty-print.c (dump_vops): Use new operand iterator.
* tree-sra.c (mark_all_v_defs): Use new operand iterator.
* tree-ssa-alias.c (compute_points_to_and_addr_escape,
dump_points_to_info): Use new operand iterator.
* tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
operand iterator.
* tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
propagate_necessity): Use new operand iterator.
* tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
(register_definitions_for_stmt): Use new operand iterator.  Take stmt as
a parameter instead of a stmt_ann_t.
* tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
build_tree_conflict_graph): Use new operand iterator.
* tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
rewrite_mem_refs): Use new operand iterator.
* tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
check_loop_closed_ssa_use): Use new operand iterator.
* tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
* tree-ssanames.c (release_defs): Use new operand iterator.
* tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@86583 138bc75d-0d04-0410-961f-82ee72b054a4
20 files changed:
gcc/ChangeLog
gcc/tree-cfg.c
gcc/tree-dfa.c
gcc/tree-flow-inline.h
gcc/tree-into-ssa.c
gcc/tree-outof-ssa.c
gcc/tree-pretty-print.c
gcc/tree-sra.c
gcc/tree-ssa-alias.c
gcc/tree-ssa-ccp.c
gcc/tree-ssa-dce.c
gcc/tree-ssa-dom.c
gcc/tree-ssa-live.c
gcc/tree-ssa-loop-im.c
gcc/tree-ssa-loop-manip.c
gcc/tree-ssa-operands.c
gcc/tree-ssa-operands.h
gcc/tree-ssa.c
gcc/tree-ssanames.c
gcc/tree-vectorizer.c