PR target/27565

[pf3gnuchains/gcc-fork.git] / gcc / target.h

diff --git a/gcc/target.h b/gcc/target.h
index 1b768e4..c18fd62 100644 (file)
--- a/gcc/target.h
+++ b/gcc/target.h
@@ -1,5 +1,6 @@
 /* Data structure definitions for a generic GCC target.
-   Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006
+   Free Software Foundation, Inc.
 
 This program is free software; you can redistribute it and/or modify it
 under the terms of the GNU General Public License as published by the
@@ -329,7 +330,7 @@ struct gcc_target
        0, if current pattern satisfies the requested speculation type,
        1, if pattern of the instruction should be changed to the newly
        generated one.  */
-    int (* speculate_insn) (rtx, HOST_WIDE_INT, rtx *);
+    int (* speculate_insn) (rtx, int, rtx *);
 
     /* The following member value is a pointer to a function called
        by the insn scheduler.  It should return true if the check instruction
@@ -418,6 +419,10 @@ struct gcc_target
   /* Return true if anonymous bitfields affect structure alignment.  */
   bool (* align_anon_bitfield) (void);
 
+  /* Return true if volatile bitfields should use the narrowest type possible.
+     Return false if they should use the container type.  */
+  bool (* narrow_volatile_bitfield) (void);
+
   /* Set up target-specific built-in functions.  */
   void (* init_builtins) (void);
 
@@ -425,10 +430,6 @@ struct gcc_target
   rtx (* expand_builtin) (tree exp, rtx target, rtx subtarget,
                          enum machine_mode mode, int ignore);
 
-  /* Expand a target-specific library builtin.  */
-  rtx (* expand_library_builtin) (tree exp, rtx target, rtx subtarget,
-                         enum machine_mode mode, int ignore);
-
   /* Select a replacement for a target-specific builtin.  This is done
      *before* regular type checking, and so allows the target to implement
      a crude form of function overloading.  The result is a complete
@@ -515,6 +516,14 @@ struct gcc_target
      the reciprocal.  */
   unsigned int (* min_divisions_for_recip_mul) (enum machine_mode mode);
 
+  /* If the representation of integral MODE is such that values are
+     always sign-extended to a wider mode MODE_REP then return
+     SIGN_EXTEND.  Return UNKNOWN otherwise.  */
+  /* Note that the return type ought to be RTX_CODE, but that's not
+     necessarily defined at this point.  */
+  int (* mode_rep_extended) (enum machine_mode mode,
+                            enum machine_mode mode_rep);
+
   /* True if MODE is valid for a pointer in __attribute__((mode("MODE"))).  */
   bool (* valid_pointer_mode) (enum machine_mode mode);