diff options
Diffstat (limited to 'gcc/tree-ssanames.c')
| -rw-r--r-- | gcc/tree-ssanames.c | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/gcc/tree-ssanames.c b/gcc/tree-ssanames.c index d418bc1..8d675b4 100644 --- a/gcc/tree-ssanames.c +++ b/gcc/tree-ssanames.c @@ -67,12 +67,16 @@ unsigned int ssa_name_nodes_reused; unsigned int ssa_name_nodes_created; #endif -/* Initialize management of SSA_NAMEs. */ +/* Initialize management of SSA_NAMEs to default SIZE. If SIZE is + zero use default. */ void -init_ssanames (void) +init_ssanames (struct function *fn, int size) { - SSANAMES (cfun) = VEC_alloc (tree, gc, 50); + if (size < 50) + size = 50; + + SSANAMES (fn) = VEC_alloc (tree, gc, size); /* Version 0 is special, so reserve the first slot in the table. Though currently unused, we may use version 0 in alias analysis as part of @@ -81,8 +85,8 @@ init_ssanames (void) We use VEC_quick_push here because we know that SSA_NAMES has at least 50 elements reserved in it. */ - VEC_quick_push (tree, SSANAMES (cfun), NULL_TREE); - FREE_SSANAMES (cfun) = NULL; + VEC_quick_push (tree, SSANAMES (fn), NULL_TREE); + FREE_SSANAMES (fn) = NULL; } /* Finalize management of SSA_NAMEs. */ @@ -105,13 +109,13 @@ ssanames_print_statistics (void) } #endif -/* Return an SSA_NAME node for variable VAR defined in statement STMT. - STMT may be an empty statement for artificial references (e.g., default - definitions created when a variable is used without a preceding - definition). */ +/* Return an SSA_NAME node for variable VAR defined in statement STMT + in function FN. STMT may be an empty statement for artificial + references (e.g., default definitions created when a variable is + used without a preceding definition). */ tree -make_ssa_name (tree var, tree stmt) +make_ssa_name_fn (struct function *fn, tree var, tree stmt) { tree t; use_operand_p imm; @@ -124,10 +128,10 @@ make_ssa_name (tree var, tree stmt) || TREE_CODE (stmt) == PHI_NODE); /* If our free list has an element, then use it. */ - if (FREE_SSANAMES (cfun)) + if (FREE_SSANAMES (fn)) { - t = FREE_SSANAMES (cfun); - FREE_SSANAMES (cfun) = TREE_CHAIN (FREE_SSANAMES (cfun)); + t = FREE_SSANAMES (fn); + FREE_SSANAMES (fn) = TREE_CHAIN (FREE_SSANAMES (fn)); #ifdef GATHER_STATISTICS ssa_name_nodes_reused++; #endif @@ -135,13 +139,13 @@ make_ssa_name (tree var, tree stmt) /* The node was cleared out when we put it on the free list, so there is no need to do so again here. */ gcc_assert (ssa_name (SSA_NAME_VERSION (t)) == NULL); - VEC_replace (tree, SSANAMES (cfun), SSA_NAME_VERSION (t), t); + VEC_replace (tree, SSANAMES (fn), SSA_NAME_VERSION (t), t); } else { t = make_node (SSA_NAME); - SSA_NAME_VERSION (t) = num_ssa_names; - VEC_safe_push (tree, gc, SSANAMES (cfun), t); + SSA_NAME_VERSION (t) = VEC_length (tree, SSANAMES (fn)); + VEC_safe_push (tree, gc, SSANAMES (fn), t); #ifdef GATHER_STATISTICS ssa_name_nodes_created++; #endif @@ -358,6 +362,6 @@ struct gimple_opt_pass pass_release_ssa_names = 0, /* properties_provided */ 0, /* properties_destroyed */ 0, /* todo_flags_start */ - 0 /* todo_flags_finish */ + TODO_dump_func /* todo_flags_finish */ } }; |