* emit-rtl.c (immed_double_const): Cleanup.

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

diff --git a/gcc/target.h b/gcc/target.h
index 8c61bfe..63f5d4e 100644 (file)
--- a/gcc/target.h
+++ b/gcc/target.h
@@ -198,6 +198,9 @@ struct gcc_target
        linker to not dead code strip this symbol.  */
     void (*mark_decl_preserved) (const char *);
 
+    /* Output the definition of a section anchor.  */
+    void (*output_anchor) (rtx);
+
     /* Output a DTP-relative reference to a TLS symbol.  */
     void (*output_dwarf_dtprel) (FILE *file, int size, rtx x);
 
@@ -369,6 +372,10 @@ 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
@@ -417,6 +424,16 @@ struct gcc_target
   /* Given an address RTX, undo the effects of LEGITIMIZE_ADDRESS.  */
   rtx (* delegitimize_address) (rtx);
 
+  /* True if the given constant can be put into an object_block.  */
+  bool (* use_blocks_for_constant_p) (enum machine_mode, rtx);
+
+  /* The minimum and maximum byte offsets for anchored addresses.  */
+  HOST_WIDE_INT min_anchor_offset;
+  HOST_WIDE_INT max_anchor_offset;
+
+  /* True if section anchors can be used to access the given symbol.  */
+  bool (* use_anchors_for_symbol_p) (rtx);
+
   /* True if it is OK to do sibling call optimization for the specified
      call expression EXP.  DECL will be the called function, or NULL if
      this is an indirect call.  */
@@ -440,6 +457,11 @@ struct gcc_target
      return the mask that they apply.  Return 0 otherwise.  */
   unsigned HOST_WIDE_INT (* shift_truncation_mask) (enum machine_mode mode);
 
+  /* Return the number of divisions in the given MODE that should be present,
+     so that it is profitable to turn the division into a multiplication by
+     the reciprocal.  */
+  unsigned int (* min_divisions_for_recip_mul) (enum machine_mode mode);
+
   /* True if MODE is valid for a pointer in __attribute__((mode("MODE"))).  */
   bool (* valid_pointer_mode) (enum machine_mode mode);
 
@@ -698,6 +720,11 @@ struct gcc_target
        target modifications).  */
     void (*adjust_class_at_definition) (tree type);
   } cxx;
+  
+  /* For targets that need to mark extra registers as live on entry to
+     the function, they should define this target hook and set their
+     bits in the bitmap passed in. */  
+  void (*live_on_entry) (bitmap); 
 
   /* True if unwinding tables should be generated by default.  */
   bool unwind_tables_default;