* dwarf2out.c (dwarf2out_frame_debug_expr): Consult the

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

diff --git a/gcc/targhooks.c b/gcc/targhooks.c
index 57cf0e5..bfd1905 100644 (file)
--- a/gcc/targhooks.c
+++ b/gcc/targhooks.c
@@ -75,6 +75,26 @@ default_external_libcall (rtx fun ATTRIBUTE_UNUSED)
 #endif
 }
 
+int
+default_unspec_may_trap_p (const_rtx x, unsigned flags)
+{
+  int i;
+
+  if (GET_CODE (x) == UNSPEC_VOLATILE
+      /* Any floating arithmetic may trap.  */
+      || (SCALAR_FLOAT_MODE_P (GET_MODE (x))
+         && flag_trapping_math))
+    return 1;
+
+  for (i = 0; i < XVECLEN (x, 0); ++i)
+    {
+      if (may_trap_p_1 (XVECEXP (x, 0, i), flags))
+       return 1;
+    }
+
+  return 0;
+}
+
 enum machine_mode
 default_cc_modes_compatible (enum machine_mode m1, enum machine_mode m2)
 {
@@ -336,7 +356,7 @@ default_fixed_point_supported_p (void)
    these cases.  */
 
 const char *
-default_invalid_within_doloop (rtx insn)
+default_invalid_within_doloop (const_rtx insn)
 {
   if (CALL_P (insn))
     return "Function call in loop.";
@@ -412,9 +432,9 @@ hook_void_bitmap (bitmap regs ATTRIBUTE_UNUSED)
 
 const char *
 hook_invalid_arg_for_unprototyped_fn (
-       tree typelist ATTRIBUTE_UNUSED,
-       tree funcdecl ATTRIBUTE_UNUSED,
-       tree val ATTRIBUTE_UNUSED)
+       const_tree typelist ATTRIBUTE_UNUSED,
+       const_tree funcdecl ATTRIBUTE_UNUSED,
+       const_tree val ATTRIBUTE_UNUSED)
 {
   return NULL;
 }
@@ -510,7 +530,8 @@ default_hidden_stack_protect_fail (void)
 }
 
 bool
-hook_bool_rtx_commutative_p (rtx x, int outer_code ATTRIBUTE_UNUSED)
+hook_bool_const_rtx_commutative_p (const_rtx x,
+                                  int outer_code ATTRIBUTE_UNUSED)
 {
   return COMMUTATIVE_P (x);
 }
@@ -665,7 +686,7 @@ tree default_mangle_decl_assembler_name (tree decl ATTRIBUTE_UNUSED,
 }
 
 bool
-default_builtin_vector_alignment_reachable (tree type, bool is_packed)
+default_builtin_vector_alignment_reachable (const_tree type, bool is_packed)
 {
   if (is_packed)
     return false;