return NULL_TREE;
}
-/* When possible, clear ADDRESSABLE bit or set the REGISTER bit
- and mark the variable VAR for conversion into SSA. Returns true
- when updating stmts is required. */
+/* When possible, clear TREE_ADDRESSABLE bit or set DECL_GIMPLE_REG_P bit and
+ mark the variable VAR for conversion into SSA. Return true when updating
+ stmts is required. */
static bool
maybe_optimize_var (tree var, bitmap addresses_taken, bitmap not_reg_needs)
update_vops = true;
if (dump_file)
{
- fprintf (dump_file, "No longer having address taken ");
+ fprintf (dump_file, "No longer having address taken: ");
print_generic_expr (dump_file, var, 0);
fprintf (dump_file, "\n");
}
}
+
if (!DECL_GIMPLE_REG_P (var)
&& !bitmap_bit_p (not_reg_needs, DECL_UID (var))
&& (TREE_CODE (TREE_TYPE (var)) == COMPLEX_TYPE
update_vops = true;
if (dump_file)
{
- fprintf (dump_file, "Decl is now a gimple register ");
+ fprintf (dump_file, "Now a gimple register: ");
print_generic_expr (dump_file, var, 0);
fprintf (dump_file, "\n");
}
/* Compute TREE_ADDRESSABLE and DECL_GIMPLE_REG_P for local variables. */
void
-execute_update_addresses_taken (bool do_optimize)
+execute_update_addresses_taken (void)
{
- tree var;
gimple_stmt_iterator gsi;
basic_block bb;
bitmap addresses_taken = BITMAP_ALLOC (NULL);
bitmap not_reg_needs = BITMAP_ALLOC (NULL);
bool update_vops = false;
+ tree var;
unsigned i;
/* Collect into ADDRESSES_TAKEN all variables whose address is taken within
}
}
- /* When possible, clear ADDRESSABLE bit or set the REGISTER bit
- and mark variable for conversion into SSA. */
- if (optimize && do_optimize)
- {
- /* We cannot iterate over all referenced vars as that can contain
- unused vars from BLOCK trees which cause code generation
- differences for -g vs. -g0. */
- for (var = DECL_ARGUMENTS (cfun->decl); var; var = DECL_CHAIN (var))
- update_vops |= maybe_optimize_var (var, addresses_taken, not_reg_needs);
- FOR_EACH_VEC_ELT (tree, cfun->local_decls, i, var)
- update_vops |= maybe_optimize_var (var, addresses_taken, not_reg_needs);
- }
+ /* We cannot iterate over all referenced vars because that can contain
+ unused vars from BLOCK trees, which causes code generation differences
+ for -g vs. -g0. */
+ for (var = DECL_ARGUMENTS (cfun->decl); var; var = DECL_CHAIN (var))
+ update_vops |= maybe_optimize_var (var, addresses_taken, not_reg_needs);
+
+ FOR_EACH_VEC_ELT (tree, cfun->local_decls, i, var)
+ update_vops |= maybe_optimize_var (var, addresses_taken, not_reg_needs);
- /* Operand caches needs to be recomputed for operands referencing the updated
+ /* Operand caches need to be recomputed for operands referencing the updated
variables. */
if (update_vops)
{