* config/arc/arc.h (LIB_SPEC): Define.

[pf3gnuchains/gcc-fork.git] / gcc / tree-stdarg.c

diff --git a/gcc/tree-stdarg.c b/gcc/tree-stdarg.c
index f9a2110..5c9b35c 100644 (file)
--- a/gcc/tree-stdarg.c
+++ b/gcc/tree-stdarg.c
@@ -1,5 +1,6 @@
 /* Pass computing data for optimizing stdarg functions.
-   Copyright (C) 2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2005, 2007, 2008, 2009, 2010
+   Free Software Foundation, Inc.
    Contributed by Jakub Jelinek <jakub@redhat.com>
 
 This file is part of GCC.
@@ -25,7 +26,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "tree.h"
 #include "function.h"
 #include "langhooks.h"
-#include "diagnostic.h"
+#include "gimple-pretty-print.h"
 #include "target.h"
 #include "tree-flow.h"
 #include "tree-pass.h"
@@ -496,6 +497,9 @@ check_all_va_list_escapes (struct stdarg_info *si)
          tree use;
          ssa_op_iter iter;
 
+         if (is_gimple_debug (stmt))
+           continue;
+
          FOR_EACH_SSA_TREE_OPERAND (use, stmt, iter, SSA_OP_ALL_USES)
            {
              if (! bitmap_bit_p (si->va_list_escape_vars,
@@ -508,7 +512,7 @@ check_all_va_list_escapes (struct stdarg_info *si)
                  enum tree_code rhs_code = gimple_assign_rhs_code (stmt);
 
                  /* x = *ap_temp;  */
-                 if (gimple_assign_rhs_code (stmt) == INDIRECT_REF
+                 if (gimple_assign_rhs_code (stmt) == MEM_REF
                      && TREE_OPERAND (rhs, 0) == use
                      && TYPE_SIZE_UNIT (TREE_TYPE (rhs))
                      && host_integerp (TYPE_SIZE_UNIT (TREE_TYPE (rhs)), 1)
@@ -518,6 +522,7 @@ check_all_va_list_escapes (struct stdarg_info *si)
                      tree access_size = TYPE_SIZE_UNIT (TREE_TYPE (rhs));
 
                      gpr_size = si->offsets[SSA_NAME_VERSION (use)]
+                                + tree_low_cst (TREE_OPERAND (rhs, 1), 0)
                                 + tree_low_cst (access_size, 1);
                      if (gpr_size >= VA_LIST_MAX_GPR_SIZE)
                        cfun->va_list_gpr_size = VA_LIST_MAX_GPR_SIZE;
@@ -631,7 +636,6 @@ execute_optimize_stdarg (void)
              break;
              /* If old style builtins are used, don't optimize anything.  */
            case BUILT_IN_SAVEREGS:
-           case BUILT_IN_ARGS_INFO:
            case BUILT_IN_NEXT_ARG:
              va_list_escapes = true;
              continue;
@@ -837,6 +841,8 @@ execute_optimize_stdarg (void)
                    continue;
                }
            }
+         else if (is_gimple_debug (stmt))
+           continue;
 
          /* All other uses of va_list are either va_copy (that is not handled
             in this optimization), taking address of va_list variable or
@@ -906,7 +912,7 @@ struct gimple_opt_pass pass_stdarg =
   NULL,                                        /* next */
   0,                                   /* static_pass_number */
   TV_NONE,                             /* tv_id */
-  PROP_cfg | PROP_ssa | PROP_alias,    /* properties_required */
+  PROP_cfg | PROP_ssa,                 /* properties_required */
   0,                                   /* properties_provided */
   0,                                   /* properties_destroyed */
   0,                                   /* todo_flags_start */