invoke.texi: Remove reference to compiler internals from user documentation.

	* doc/invoke.texi: Remove reference to compiler internals from
	user documentation.

	* reg-notes.def: Remove REG_VALUE_PROFILE.
	* combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.

From-SVN: r169861

gcc/ChangeLog

+2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
+
+	* doc/invoke.texi: Remove reference to compiler internals from
+	user documentation.
+
+	* reg-notes.def: Remove REG_VALUE_PROFILE.
+	* combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
+
 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/47610

gcc/combine.c

@@ -13148,10 +13148,6 @@ distribute_notes (rtx notes, rtx from_insn, rtx i3, rtx i2, rtx elim_i2,
 	  place = i3;
 	  break;
 
-	case REG_VALUE_PROFILE:
-	  /* Just get rid of this note, as it is unused later anyway.  */
-	  break;
-
 	case REG_NON_LOCAL_GOTO:
 	  if (JUMP_P (i3))
 	    place = i3;

gcc/doc/invoke.texi

@@ -8029,8 +8029,7 @@ If combined with @option{-fprofile-arcs}, it adds code so that some
 data about values of expressions in the program is gathered.
 
 With @option{-fbranch-probabilities}, it reads back the data gathered
-from profiling values of expressions and adds @samp{REG_VALUE_PROFILE}
-notes to instructions for their later usage in optimizations.
+from profiling values of expressions for usage in optimizations.
 
 Enabled with @option{-fprofile-generate} and @option{-fprofile-use}.
 

gcc/reg-notes.def

@@ -99,11 +99,6 @@ REG_NOTE (DEP_ANTI)
    won't return.  */
 REG_NOTE (BR_PROB)
 
-/* REG_VALUE_PROFILE is attached when the profile is read in to an
-   insn before that the code to profile the value is inserted.  It
-   contains the results of profiling.  */
-REG_NOTE (VALUE_PROFILE)
-
 /* Attached to a call insn; indicates that the call is malloc-like and
    that the pointer returned cannot alias anything else.  */
 REG_NOTE (NOALIAS)