diff options
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/tree-ssa-live.c | 35 |
2 files changed, 9 insertions, 30 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ec71bb6eb71..66e9db272ed 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -61,6 +61,10 @@ 2004-05-13 Jeff Law <law@redhat.com> + * tree-ssa-live.c (calculate_live_on_entry): Ignore virtual + variables. Simplify slightly by using USE_OP/DEF_OP instead + of USE_OP_PTR/DEF_OP_PTR and dereferencing the result. + * tree-into-ssa.c (compute_global_livein): Use EXECUTE_IF_SET_IN_BITMAP rather than iterating through the blocks testing each bit in livein to initialize the worklist. diff --git a/gcc/tree-ssa-live.c b/gcc/tree-ssa-live.c index 28c3d578581..3a166a7c21c 100644 --- a/gcc/tree-ssa-live.c +++ b/gcc/tree-ssa-live.c @@ -551,12 +551,10 @@ calculate_live_on_entry (var_map map) basic_block bb; bitmap saw_def; tree phi, var, stmt; - tree *vec; + tree op; edge e; varray_type stack; block_stmt_iterator bsi; - vuse_optype vuses; - vdef_optype vdefs; use_optype uses; def_optype defs; stmt_ann_t ann; @@ -610,39 +608,16 @@ calculate_live_on_entry (var_map map) num = NUM_USES (uses); for (i = 0; i < num; i++) { - vec = USE_OP_PTR (uses, i); - add_livein_if_notdef (live, saw_def, *vec, bb); - } - - vuses = VUSE_OPS (ann); - num = NUM_VUSES (vuses); - for (i = 0; i < num; i++) - { - var = VUSE_OP (vuses, i); - add_livein_if_notdef (live, saw_def, var, bb); - } - - vdefs = VDEF_OPS (ann); - num = NUM_VDEFS (vdefs); - for (i = 0; i < num; i++) - { - var = VDEF_OP (vdefs, i); - add_livein_if_notdef (live, saw_def, var, bb); + op = USE_OP (uses, i); + add_livein_if_notdef (live, saw_def, op, bb); } defs = DEF_OPS (ann); num = NUM_DEFS (defs); for (i = 0; i < num; i++) { - vec = DEF_OP_PTR (defs, i); - set_if_valid (map, saw_def, *vec); - } - - num = NUM_VDEFS (vdefs); - for (i = 0; i < num; i++) - { - var = VDEF_RESULT (vdefs, i); - set_if_valid (map, saw_def, var); + op = DEF_OP (defs, i); + set_if_valid (map, saw_def, op); } } } |