combine.c (distribute_notes): Kill REG_EXEC_COUNT.

	* combine.c (distribute_notes): Kill REG_EXEC_COUNT.
	* rtl.c (reg_note_name): Likewise.
	* rtl.h (enum reg_note): Likewise.
	* doc/invoke.texi: Likewise.
	* doc/rtl.texi: Likewise.

From-SVN: r63157

gcc/ChangeLog

 2003-02-20  Josef Zlomek  <zlomekj@suse.cz>
 
+	* combine.c (distribute_notes): Kill REG_EXEC_COUNT.
+	* rtl.c (reg_note_name): Likewise.
+	* rtl.h (enum reg_note): Likewise.
+	* doc/invoke.texi: Likewise.
+	* doc/rtl.texi: Likewise.
+
+2003-02-20  Josef Zlomek  <zlomekj@suse.cz>
+
 	* bb-reorder.c (find_traces_1_round): Fix comment typo.
 
 2003-02-19  Roger Sayle  <roger@eyesopen.com>

gcc/combine.c

@@ -12583,7 +12583,6 @@ distribute_notes (notes, from_insn, i3, i2, elim_i2, elim_i1)
 	{
 	case REG_BR_PROB:
 	case REG_BR_PRED:
-	case REG_EXEC_COUNT:
 	  /* Doesn't matter much where we put this, as long as it's somewhere.
 	     It is preferable to keep these notes on branches, which is most
 	     likely to be i3.  */

gcc/doc/invoke.texi

@@ -4241,8 +4241,7 @@ file  The information in this data file is very dependent on the
 structure of the generated code, so you must use the same source code
 and the same optimization options for both compilations.
 
-With @option{-fbranch-probabilities}, GCC puts a @samp{REG_EXEC_COUNT}
-note on the first instruction of each basic block, and a
+With @option{-fbranch-probabilities}, GCC puts a 
 @samp{REG_BR_PROB} note on each @samp{JUMP_INSN} and @samp{CALL_INSN}.
 These can be used to improve optimization.  Currently, they are only
 used in one place: in @file{reorg.c}, instead of guessing which path a

gcc/doc/rtl.texi

@@ -3283,12 +3283,6 @@ are stored in the @code{REG_NOTES} field of an insn as an
 @code{expr_list}.
 
 @table @code
-@findex REG_EXEC_COUNT
-@item REG_EXEC_COUNT
-This is used to indicate the number of times a basic block was executed
-according to the profile data.  The note is attached to the first insn in
-the basic block.
-
 @findex REG_BR_PROB
 @item REG_BR_PROB
 This is used to specify the ratio of branches to non-branches of a

gcc/rtl.c

@@ -228,7 +228,7 @@ const char * const reg_note_name[] =
   "REG_WAS_0", "REG_RETVAL", "REG_LIBCALL", "REG_NONNEG",
   "REG_NO_CONFLICT", "REG_UNUSED", "REG_CC_SETTER", "REG_CC_USER",
   "REG_LABEL", "REG_DEP_ANTI", "REG_DEP_OUTPUT", "REG_BR_PROB",
-  "REG_EXEC_COUNT", "REG_NOALIAS", "REG_SAVE_AREA", "REG_BR_PRED",
+  "REG_NOALIAS", "REG_SAVE_AREA", "REG_BR_PRED",
   "REG_FRAME_RELATED_EXPR", "REG_EH_CONTEXT", "REG_EH_REGION",
   "REG_SAVE_NOTE", "REG_MAYBE_DEAD", "REG_NORETURN",
   "REG_NON_LOCAL_GOTO", "REG_SETJMP", "REG_ALWAYS_RETURN",

gcc/rtl.h

@@ -688,11 +688,6 @@ enum reg_note
      return.  */
   REG_BR_PROB,
 
-  /* REG_EXEC_COUNT is attached to the first insn of each basic block, and
-     the first insn after each CALL_INSN.  It indicates how many times this
-     block was executed.  */
-  REG_EXEC_COUNT,
-
   /* Attached to a call insn; indicates that the call is malloc-like and
      that the pointer returned cannot alias anything else.  */
   REG_NOALIAS,