gcse.c (pre_delete): Remove references to regmove from comments.

	* gcse.c (pre_delete): Remove references to regmove from comments.
	* recog.c: (validate_replace_rtx_1): Likewise.
	* config/rl78/rl78.c: Likewise.
	* config/v850/v850.h: Likewise, and remove unused ENABLE_REGMOVE_PASS.
	* common/config/m32r/m32r-common.c: Don't manipulate OPT_fregmove.
	* common/config/mmix/mmix-common.c: Likewise.

From-SVN: r204309

gcc/ChangeLog

+2013-11-02  Steven Bosscher  <steven@gcc.gnu.org>
+
+	* gcse.c (pre_delete): Remove references to regmove from comments.
+	* recog.c: (validate_replace_rtx_1): Likewise.
+	* config/rl78/rl78.c: Likewise.
+	* config/v850/v850.h: Likewise, and remove unused ENABLE_REGMOVE_PASS.
+	* common/config/m32r/m32r-common.c: Don't manipulate OPT_fregmove.
+	* common/config/mmix/mmix-common.c: Likewise.
+
 2013-11-01  Trevor Saunders  <tsaunders@mozilla.com>
 
 	* function.c (reorder_blocks): Convert block_stack to a stack_vec.

gcc/common/config/m32r/m32r-common.c

@@ -29,7 +29,6 @@
 static const struct default_options m32r_option_optimization_table[] =
   {
     { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
-    { OPT_LEVELS_1_PLUS, OPT_fregmove, NULL, 1 },
     { OPT_LEVELS_NONE, 0, NULL, 0 }
   };
 

gcc/common/config/mmix/mmix-common.c

@@ -28,7 +28,6 @@ along with GCC; see the file COPYING3.  If not see
 
 static const struct default_options mmix_option_optimization_table[] =
   {
-    { OPT_LEVELS_1_PLUS, OPT_fregmove, NULL, 1 },
     { OPT_LEVELS_2_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
     { OPT_LEVELS_NONE, 0, NULL, 0 }
   };

gcc/config/rl78/rl78.c

@@ -1894,8 +1894,8 @@ post-reload optimizers could operate on the real registers, but when I
 tried that there were some issues building the target libraries.
 
 During devirtualization, a simple register move optimizer is run.  It
-would be better to run a full CSE/propogation pass on it through, or
-re-run regmove, but that has not yet been attempted.
+would be better to run a full CSE/propogation pass on it though, but
+that has not yet been attempted.
 
  */
 #define DEBUG_ALLOC 0

gcc/config/v850/v850.h

@@ -954,10 +954,6 @@ extern tree GHS_current_section_names [(int) COUNT_OF_GHS_SECTION_KINDS];
 
 #define FILE_ASM_OP "\t.file\n"
 
-/* Enable the register move pass to improve code.  */
-#define ENABLE_REGMOVE_PASS
-
-
 /* Implement ZDA, TDA, and SDA */
 
 #define EP_REGNUM 30	/* ep register number */

gcc/gcse.c

@@ -2535,7 +2535,7 @@ gcse_emit_move_after (rtx dest, rtx src, rtx insn)
 /* Delete redundant computations.
    Deletion is done by changing the insn to copy the `reaching_reg' of
    the expression into the result of the SET.  It is left to later passes
-   (cprop, cse2, flow, combine, regmove) to propagate the copy or eliminate it.
+   to propagate the copy or eliminate it.
 
    Return nonzero if a change is made.  */
 

gcc/recog.c

@@ -726,7 +726,7 @@ validate_replace_rtx_1 (rtx *loc, rtx from, rtx to, rtx object,
   /* Call ourself recursively to perform the replacements.
      We must not replace inside already replaced expression, otherwise we
      get infinite recursion for replacements like (reg X)->(subreg (reg X))
-     done by regmove, so we must special case shared ASM_OPERANDS.  */
+     so we must special case shared ASM_OPERANDS.  */
 
   if (GET_CODE (x) == PARALLEL)
     {
@@ -762,6 +762,7 @@ validate_replace_rtx_1 (rtx *loc, rtx from, rtx to, rtx object,
   if (num_changes == prev_changes)
     return;
 
+  /* ??? The regmove is no more, so is this aberration still necessary?  */
   /* Allow substituted expression to have different mode.  This is used by
      regmove to change mode of pseudo register.  */
   if (fmt[0] == 'e' && GET_MODE (XEXP (x, 0)) != VOIDmode)