+2005-03-21 Kazu Hirata <kazu@cs.umass.edu>
+
+ * builtins.c (fold_builtin): Take decomposed arguments of
+ CALL_EXPR.
+ * fold-const.c (fold_ternary): Update a call to fold_builtin.
+ * gimplify.c (gimplify_call_expr): Likewise.
+ * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
+ * tree.h: Update the prototype of fold_builtin.
+
2005-03-21 Paolo Bonzini <bonzini@gnu.org>
* rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
call node earlier than the warning is generated. */
tree
-fold_builtin (tree exp, bool ignore)
+fold_builtin (tree fndecl, tree arglist, bool ignore)
{
- tree fndecl = get_callee_fndecl (exp);
- tree arglist = TREE_OPERAND (exp, 1);
-
- exp = fold_builtin_1 (fndecl, arglist, ignore);
+ tree exp = fold_builtin_1 (fndecl, arglist, ignore);
if (exp)
{
/* ??? Don't clobber shared nodes such as integer_zero_node. */
&& TREE_CODE (TREE_OPERAND (op0, 0)) == FUNCTION_DECL
&& DECL_BUILT_IN (TREE_OPERAND (op0, 0)))
{
- tree tmp = fold_builtin (t, false);
+ tree fndecl = get_callee_fndecl (t);
+ tree arglist = TREE_OPERAND (t, 1);
+ tree tmp = fold_builtin (fndecl, arglist, false);
if (tmp)
return tmp;
}
decl = get_callee_fndecl (*expr_p);
if (decl && DECL_BUILT_IN (decl))
{
- tree new = fold_builtin (*expr_p, !want_value);
+ tree fndecl = get_callee_fndecl (*expr_p);
+ tree arglist = TREE_OPERAND (*expr_p, 1);
+ tree new = fold_builtin (fndecl, arglist, !want_value);
if (new && new != *expr_p)
{
if (DECL_BUILT_IN_CLASS (decl) == BUILT_IN_NORMAL
&& DECL_FUNCTION_CODE (decl) == BUILT_IN_VA_START)
{
- tree arglist = TREE_OPERAND (*expr_p, 1);
-
if (!arglist || !TREE_CHAIN (arglist))
{
error ("too few arguments to function %<va_start%>");
/* Try this again in case gimplification exposed something. */
if (ret != GS_ERROR && decl && DECL_BUILT_IN (decl))
{
- tree new = fold_builtin (*expr_p, !want_value);
+ tree fndecl = get_callee_fndecl (*expr_p);
+ tree arglist = TREE_OPERAND (*expr_p, 1);
+ tree new = fold_builtin (fndecl, arglist, !want_value);
if (new && new != *expr_p)
{
if (NUM_USES (uses) != 0)
{
tree *orig;
+ tree fndecl, arglist;
size_t i;
/* Preserve the original values of every operand. */
/* Substitute operands with their values and try to fold. */
replace_uses_in (stmt, NULL);
- retval = fold_builtin (rhs, false);
+ fndecl = get_callee_fndecl (rhs);
+ arglist = TREE_OPERAND (rhs, 1);
+ retval = fold_builtin (fndecl, arglist, false);
/* Restore operands to their original form. */
for (i = 0; i < NUM_USES (uses); i++)
/* First try the generic builtin folder. If that succeeds, return the
result directly. */
- result = fold_builtin (fn, ignore);
+ callee = get_callee_fndecl (fn);
+ arglist = TREE_OPERAND (fn, 1);
+ result = fold_builtin (callee, arglist, ignore);
if (result)
{
if (ignore)
}
/* Ignore MD builtins. */
- callee = get_callee_fndecl (fn);
if (DECL_BUILT_IN_CLASS (callee) == BUILT_IN_MD)
return NULL_TREE;
/* If the builtin could not be folded, and it has no argument list,
we're done. */
- arglist = TREE_OPERAND (fn, 1);
if (!arglist)
return NULL_TREE;
extern bool ptr_difference_const (tree, tree, HOST_WIDE_INT *);
/* In builtins.c */
-extern tree fold_builtin (tree, bool);
+extern tree fold_builtin (tree, tree, bool);
extern tree fold_builtin_fputs (tree, bool, bool, tree);
extern tree fold_builtin_strcpy (tree, tree, tree);
extern tree fold_builtin_strncpy (tree, tree, tree);