frontend_passes (expr_array): Replace by vec template.
2014-08-26 Thomas Koenig <tkoenig@gcc.gnu.org> * frontend_passes (expr_array): Replace by vec template. (expr_size): Remove. (expr_count): Remove. (doloop_list): Replace by vec template. (doloop_size): Remove. (gfc_run_passes): Adjust to use of vec template. (cfe_register_funcs): Likewise. (cfe_expr_0): Likewise. (doloop_code): Likewise. From-SVN: r214532
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@ -1,3 +1,15 @@
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2014-08-26 Thomas Koenig <tkoenig@gcc.gnu.org>
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* frontend_passes (expr_array): Replace by vec template.
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(expr_size): Remove.
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(expr_count): Remove.
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(doloop_list): Replace by vec template.
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(doloop_size): Remove.
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(gfc_run_passes): Adjust to use of vec template.
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(cfe_register_funcs): Likewise.
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(cfe_expr_0): Likewise.
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(doloop_code): Likewise.
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2014-08-22 Steven Bosscher <steven@gcc.gnu.org>
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PR fortran/62135
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@ -47,11 +47,9 @@ static int callback_reduction (gfc_expr **, int *, void *);
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static int count_arglist;
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/* Pointer to an array of gfc_expr ** we operate on, plus its size
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and counter. */
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/* Vector of gfc_expr ** we operate on. */
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static gfc_expr ***expr_array;
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static int expr_size, expr_count;
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static vec<gfc_expr **> expr_array;
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/* Pointer to the gfc_code we currently work on - to be able to insert
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a block before the statement. */
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@ -81,8 +79,9 @@ static int iterator_level;
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/* Keep track of DO loop levels. */
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static gfc_code **doloop_list;
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static int doloop_size, doloop_level;
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static vec<gfc_code *> doloop_list;
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static int doloop_level;
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/* Vector of gfc_expr * to keep track of DO loops. */
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@ -101,23 +100,18 @@ gfc_run_passes (gfc_namespace *ns)
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/* Warn about dubious DO loops where the index might
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change. */
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doloop_size = 20;
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doloop_level = 0;
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doloop_list = XNEWVEC(gfc_code *, doloop_size);
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doloop_warn (ns);
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XDELETEVEC (doloop_list);
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doloop_list.release ();
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if (gfc_option.flag_frontend_optimize)
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{
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expr_size = 20;
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expr_array = XNEWVEC(gfc_expr **, expr_size);
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optimize_namespace (ns);
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optimize_reduction (ns);
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if (gfc_option.dump_fortran_optimized)
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gfc_dump_parse_tree (ns, stdout);
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XDELETEVEC (expr_array);
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expr_array.release ();
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}
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}
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@ -420,13 +414,7 @@ cfe_register_funcs (gfc_expr **e, int *walk_subtrees ATTRIBUTE_UNUSED,
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return 0;
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}
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if (expr_count >= expr_size)
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{
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expr_size += expr_size;
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expr_array = XRESIZEVEC(gfc_expr **, expr_array, expr_size);
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}
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expr_array[expr_count] = e;
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expr_count ++;
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expr_array.safe_push (e);
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return 0;
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}
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@ -599,6 +587,7 @@ cfe_expr_0 (gfc_expr **e, int *walk_subtrees,
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{
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int i,j;
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gfc_expr *newvar;
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gfc_expr **ei, **ej;
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/* Don't do this optimization within OMP workshare. */
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@ -608,36 +597,36 @@ cfe_expr_0 (gfc_expr **e, int *walk_subtrees,
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return 0;
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}
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expr_count = 0;
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expr_array.release ();
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gfc_expr_walker (e, cfe_register_funcs, NULL);
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/* Walk through all the functions. */
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for (i=1; i<expr_count; i++)
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FOR_EACH_VEC_ELT_FROM (expr_array, i, ei, 1)
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{
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/* Skip if the function has been replaced by a variable already. */
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if ((*(expr_array[i]))->expr_type == EXPR_VARIABLE)
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if ((*ei)->expr_type == EXPR_VARIABLE)
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continue;
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newvar = NULL;
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for (j=0; j<i; j++)
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{
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if (gfc_dep_compare_functions (*(expr_array[i]),
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*(expr_array[j]), true) == 0)
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ej = expr_array[j];
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if (gfc_dep_compare_functions (*ei, *ej, true) == 0)
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{
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if (newvar == NULL)
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newvar = create_var (*(expr_array[i]));
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newvar = create_var (*ei);
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if (gfc_option.warn_function_elimination)
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warn_function_elimination (*(expr_array[j]));
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warn_function_elimination (*ej);
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free (*(expr_array[j]));
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*(expr_array[j]) = gfc_copy_expr (newvar);
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free (*ej);
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*ej = gfc_copy_expr (newvar);
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}
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}
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if (newvar)
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*(expr_array[i]) = newvar;
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*ei = newvar;
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}
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/* We did all the necessary walking in this function. */
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@ -1671,25 +1660,23 @@ doloop_code (gfc_code **c, int *walk_subtrees ATTRIBUTE_UNUSED,
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int i;
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gfc_formal_arglist *f;
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gfc_actual_arglist *a;
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gfc_code *cl;
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co = *c;
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/* If the doloop_list grew, we have to truncate it here. */
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if ((unsigned) doloop_level < doloop_list.length())
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doloop_list.truncate (doloop_level);
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switch (co->op)
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{
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case EXEC_DO:
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/* Grow the temporary storage if necessary. */
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if (doloop_level >= doloop_size)
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{
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doloop_size = 2 * doloop_size;
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doloop_list = XRESIZEVEC (gfc_code *, doloop_list, doloop_size);
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}
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/* Mark the DO loop variable if there is one. */
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if (co->ext.iterator && co->ext.iterator->var)
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doloop_list[doloop_level] = co;
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doloop_list.safe_push (co);
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else
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doloop_list[doloop_level] = NULL;
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doloop_list.safe_push ((gfc_code *) NULL);
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break;
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case EXEC_CALL:
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@ -1708,14 +1695,14 @@ doloop_code (gfc_code **c, int *walk_subtrees ATTRIBUTE_UNUSED,
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while (a && f)
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{
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for (i=0; i<doloop_level; i++)
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FOR_EACH_VEC_ELT (doloop_list, i, cl)
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{
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gfc_symbol *do_sym;
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if (doloop_list[i] == NULL)
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if (cl == NULL)
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break;
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do_sym = doloop_list[i]->ext.iterator->var->symtree->n.sym;
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do_sym = cl->ext.iterator->var->symtree->n.sym;
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if (a->expr && a->expr->symtree
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&& a->expr->symtree->n.sym == do_sym)
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@ -1755,6 +1742,7 @@ do_function (gfc_expr **e, int *walk_subtrees ATTRIBUTE_UNUSED,
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gfc_formal_arglist *f;
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gfc_actual_arglist *a;
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gfc_expr *expr;
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gfc_code *dl;
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int i;
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expr = *e;
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@ -1777,15 +1765,14 @@ do_function (gfc_expr **e, int *walk_subtrees ATTRIBUTE_UNUSED,
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while (a && f)
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{
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for (i=0; i<doloop_level; i++)
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FOR_EACH_VEC_ELT (doloop_list, i, dl)
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{
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gfc_symbol *do_sym;
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if (doloop_list[i] == NULL)
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if (dl == NULL)
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break;
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do_sym = doloop_list[i]->ext.iterator->var->symtree->n.sym;
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do_sym = dl->ext.iterator->var->symtree->n.sym;
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if (a->expr && a->expr->symtree
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&& a->expr->symtree->n.sym == do_sym)
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