lost ChangeLog entry

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

diff --git a/gcc/target.h b/gcc/target.h
index acb1814..4927d2b 100644 (file)
--- a/gcc/target.h
+++ b/gcc/target.h
@@ -107,9 +107,10 @@ struct gcc_target
     /* Output the assembler code for function exit.  */
     void (* function_epilogue) (FILE *, HOST_WIDE_INT);
 
-    /* Switch to an arbitrary section NAME with attributes as
-       specified by FLAGS.  */
-    void (* named_section) (const char *, unsigned int);
+    /* Tell assembler to change to section NAME with attributes FLAGS.
+       If DECL is non-NULL, it is the VAR_DECL or FUNCTION_DECL with
+       which this section is associated.  */
+    void (* named_section) (const char *name, unsigned int flags, tree decl);
 
     /* Switch to the section that holds the exception table.  */
     void (* exception_section) (void);
@@ -281,6 +282,23 @@ 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 when expanding a MISALIGNED_INDIREC_REF
+       expression.  If the hook returns true (false) then a move* pattern
+       to/from memory can (cannot) be generated for this mode even if the
+       memory location is unaligned.  */
+    bool (* misaligned_mem_ok) (enum machine_mode);
+
+    /* The following member values are pointers to functions called
+       by the vectorizer, and return the decl of the target builtin
+       function.  */
+    tree (* builtin_mask_for_load) (void);
+    tree (* builtin_mask_for_store) (void);
+  } vectorize;
+
   /* Return machine mode for filter value.  */
   enum machine_mode (* eh_return_filter_mode) (void);
 
@@ -323,6 +341,9 @@ 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.  */
@@ -467,6 +488,22 @@ 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);
@@ -569,11 +606,6 @@ 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;
-
   /* Leave the boolean fields at the end.  */
 };