* tree-into-ssa.c: Re-organize internal functions.

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

diff --git a/gcc/target.h b/gcc/target.h
index a6d69e1..0a54c6f 100644 (file)
--- a/gcc/target.h
+++ b/gcc/target.h
@@ -282,6 +282,15 @@ struct gcc_target
     bool (* is_costly_dependence) (rtx, rtx, rtx, int, int);
   } sched;
 
+  /* Functions relating to vectorization.  */
+  struct vectorize
+  {
+    /* The following member value is a pointer to a function called
+       by the vectorizer, and return the decl of the target builtin
+       function.  */
+    tree (* builtin_mask_for_load) (void);
+  } vectorize;
+
   /* Return machine mode for filter value.  */
   enum machine_mode (* eh_return_filter_mode) (void);
 
@@ -324,6 +333,9 @@ struct gcc_target
   rtx (* expand_builtin) (tree exp, rtx target, rtx subtarget,
                          enum machine_mode mode, int ignore);
 
+  /* Fold a target-specific builtin.  */
+  tree (* fold_builtin) (tree exp, bool ignore);
+
   /* For a vendor-specific fundamental TYPE, return a pointer to
      a statically-allocated string containing the C++ mangling for
      TYPE.  In all other cases, return NULL.  */
@@ -468,6 +480,22 @@ struct gcc_target
      the port wishes to automatically clobber for all asms.  */
   tree (* md_asm_clobbers) (tree);
 
+  /* This target hook allows the backend to specify a calling convention
+     in the debug information.  This function actually returns an
+     enum dwarf_calling_convention, but because of forward declarations
+     and not wanting to include dwarf2.h everywhere target.h is included
+     the function is being declared as an int.  */
+  int (* dwarf_calling_convention) (tree);
+
+  /* This target hook allows the backend to emit frame-related insns that
+     contain UNSPECs or UNSPEC_VOLATILEs.  The call frame debugging info
+     engine will invoke it on insns of the form
+       (set (reg) (unspec [...] UNSPEC_INDEX))
+     and
+       (set (reg) (unspec_volatile [...] UNSPECV_INDEX))
+     to let the backend emit the call frame instructions.  */
+  void (* dwarf_handle_frame_unspec) (const char *, rtx, int);
+
   /* Functions relating to calls - argument passing, returns, etc.  */
   struct calls {
     bool (*promote_function_args) (tree fntype);
@@ -509,6 +537,12 @@ struct gcc_target
        the caller.  It is never called for TYPE requiring constructors.  */
     bool (* callee_copies) (CUMULATIVE_ARGS *ca, enum machine_mode mode,
                            tree type, bool named);
+
+    /* Return zero for arguments passed entirely on the stack or entirely
+       in registers.  If passed in both, return the number of bytes passed
+       in registers; the balance is therefore passed on the stack.  */
+    int (* arg_partial_bytes) (CUMULATIVE_ARGS *ca, enum machine_mode mode,
+                              tree type, bool named);
   } calls;
 
   /* Functions specific to the C++ frontend.  */
@@ -570,10 +604,9 @@ struct gcc_target
   /* True if #pragma extern_prefix is to be supported.  */
   bool handle_pragma_extern_prefix;
 
-  /* True if the RTL prologue and epilogue should be expanded after all
-     passes that modify the instructions (and not merely reorder them)
-     have been run.  */
-  bool late_rtl_prologue_epilogue;
+  /* True if the target is allowed to reorder memory accesses unless
+     synchronization is explicitly requested.  */
+  bool relaxed_ordering;
 
   /* Leave the boolean fields at the end.  */
 };