PR bootstrap/21215

[pf3gnuchains/gcc-fork.git] / gcc / gensupport.c

diff --git a/gcc/gensupport.c b/gcc/gensupport.c
index 8767068..8c65a3e 100644 (file)
--- a/gcc/gensupport.c
+++ b/gcc/gensupport.c
@@ -1,5 +1,5 @@
 /* Support routines for the various generation passes.
-   Copyright (C) 2000, 2001, 2002, 2003, 2004
+   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005
    Free Software Foundation, Inc.
 
    This file is part of GCC.
@@ -37,6 +37,10 @@ int insn_elision = 1;
 
 const char *in_fname;
 
+/* This callback will be invoked whenever an rtl include directive is
+   processed.  To be used for creation of the dependency file.  */
+void (*include_callback) (const char *);
+
 static struct obstack obstack;
 struct obstack *rtl_obstack = &obstack;
 
@@ -245,6 +249,9 @@ process_include (rtx desc, int lineno)
   read_rtx_filename = pathname;
   read_rtx_lineno = 1;
 
+  if (include_callback)
+    include_callback (pathname);
+
   /* Read the entire file.  */
   while (read_rtx (input_file, &desc, &lineno))
     process_rtx (desc, lineno);
@@ -310,7 +317,10 @@ process_rtx (rtx desc, int lineno)
           insn condition to create the new split condition.  */
        split_cond = XSTR (desc, 4);
        if (split_cond[0] == '&' && split_cond[1] == '&')
-         split_cond = concat (XSTR (desc, 2), split_cond, NULL);
+         {
+           copy_rtx_ptr_loc (split_cond + 2, split_cond);
+           split_cond = join_c_conditions (XSTR (desc, 2), split_cond + 2);
+         }
        XSTR (split, 1) = split_cond;
        XVEC (split, 2) = XVEC (desc, 5);
        XSTR (split, 3) = XSTR (desc, 6);
@@ -392,7 +402,7 @@ is_predicable (struct queue_elem *elem)
          return 0;
 
        default:
-         abort ();
+         gcc_unreachable ();
        }
     }
 
@@ -559,7 +569,7 @@ collect_insn_data (rtx pattern, int *palt, int *pmax)
          break;
 
        default:
-         abort ();
+         gcc_unreachable ();
        }
     }
 }
@@ -645,7 +655,7 @@ alter_predicate_for_insn (rtx pattern, int alt, int max_op, int lineno)
          break;
 
        default:
-         abort ();
+         gcc_unreachable ();
        }
     }
 
@@ -656,16 +666,8 @@ static const char *
 alter_test_for_insn (struct queue_elem *ce_elem,
                     struct queue_elem *insn_elem)
 {
-  const char *ce_test, *insn_test;
-
-  ce_test = XSTR (ce_elem->data, 1);
-  insn_test = XSTR (insn_elem->data, 2);
-  if (!ce_test || *ce_test == '\0')
-    return insn_test;
-  if (!insn_test || *insn_test == '\0')
-    return ce_test;
-
-  return concat ("(", ce_test, ") && (", insn_test, ")", NULL);
+  return join_c_conditions (XSTR (ce_elem->data, 1),
+                           XSTR (insn_elem->data, 2));
 }
 
 /* Adjust all of the operand numbers in SRC to match the shift they'll
@@ -904,6 +906,11 @@ init_md_reader_args_cb (int argc, char **argv, bool (*parse_opt)(const char *))
   char *lastsl;
   rtx desc;
 
+  /* Unlock the stdio streams.  */
+  unlock_stream (stdin);
+  unlock_stream (stdout);
+  unlock_stream (stderr);
+
   for (i = 1; i < argc; i++)
     {
       if (argv[i][0] != '-')
@@ -1119,8 +1126,7 @@ maybe_eval_c_test (const char *expr)
 
   dummy.expr = expr;
   test = (const struct c_test *)htab_find (condition_table, &dummy);
-  if (!test)
-    abort ();
+  gcc_assert (test);
 
   return test->value;
 }