h8300-protos.h: Remove prototypes for ok_for_bclr and small_power_of_two.

	* config/h8300/h8300-protos.h: Remove prototypes for
	ok_for_bclr and small_power_of_two.
	* config/h8300/h8300.c (small_power_of_two): Remove.
	(ok_for_blcr): Likewise.
	(fix_bit_operand): Make WHAT deal with an integer instead of a
	constraint character.
	* config/h8300/h8300.h (CONST_OK_FOR_O): Remove.
	(CONST_OK_FOR_P): Likewise.
	(CONST_OK_FOR_LETTER_P): Do not call CONST_OK_FOR_O or
	CONST_OK_FOR_P any more.
	* config/h8300/h8300.md (andqi3): Adjust to the new prototype
	of fix_bit_operand.
	(iorqi3): Likewise.
	(xorqi3): Likewise.

From-SVN: r54037

gcc/ChangeLog

+2002-05-29  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* config/h8300/h8300-protos.h: Remove prototypes for
+	ok_for_bclr and small_power_of_two.
+	* config/h8300/h8300.c (small_power_of_two): Remove.
+	(ok_for_blcr): Likewise.
+	(fix_bit_operand): Make WHAT deal with an integer instead of a
+	constraint character.
+	* config/h8300/h8300.h (CONST_OK_FOR_O): Remove.
+	(CONST_OK_FOR_P): Likewise.
+	(CONST_OK_FOR_LETTER_P): Do not call CONST_OK_FOR_O or
+	CONST_OK_FOR_P any more.
+	* config/h8300/h8300.md (andqi3): Adjust to the new prototype
+	of fix_bit_operand.
+	(iorqi3): Likewise.
+	(xorqi3): Likewise.
+
 2002-05-29  Jason Thorpe  <thorpej@wasabisystems.com>
 
 	* config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Define.

gcc/config/h8300/h8300-protos.h

@@ -74,8 +74,6 @@ extern int h8300_tiny_data_p PARAMS ((tree));
 extern void h8300_init_once PARAMS ((void));
 extern void asm_file_start PARAMS ((FILE *));
 extern void asm_file_end PARAMS ((FILE *));
-extern int ok_for_bclr PARAMS ((HOST_WIDE_INT));
-extern int small_power_of_two PARAMS ((HOST_WIDE_INT));
 extern int initial_offset PARAMS ((int, int));
 
 #ifdef GCC_C_PRAGMA_H

gcc/config/h8300/h8300.c

@@ -521,28 +521,6 @@ asm_file_end (file)
   fprintf (file, "\t.end\n");
 }
 
-/* Return true if VALUE is a valid constant for constraint 'P'.
-   IE: VALUE is a power of two <= 2**15.  */
-
-int
-small_power_of_two (value)
-     HOST_WIDE_INT value;
-{
-  int power = exact_log2 (value);
-  return power >= 0 && power <= 15;
-}
-
-/* Return true if VALUE is a valid constant for constraint 'O', which
-   means that the constant would be ok to use as a bit for a bclr
-   instruction.  */
-
-int
-ok_for_bclr (value)
-     HOST_WIDE_INT value;
-{
-  return small_power_of_two ((~value) & 0xff);
-}
-
 /* Return true if OP is a valid source operand for an integer move
    instruction.  */
 
@@ -3245,32 +3223,30 @@ fix_bit_operand (operands, what, type)
      only 'U' memory afterwards, so if this is a MEM operand, we must force
      it to be valid for 'U' by reloading the address.  */
 
-  if (GET_CODE (operands[2]) == CONST_INT)
+  if ((what == 0 && single_zero_operand (operands[2], QImode))
+      || (what == 1 && single_one_operand (operands[2], QImode)))
     {
-      if (CONST_OK_FOR_LETTER_P (INTVAL (operands[2]), what))
+      /* OK to have a memory dest.  */
+      if (GET_CODE (operands[0]) == MEM
+	  && !EXTRA_CONSTRAINT (operands[0], 'U'))
 	{
-	  /* Ok to have a memory dest.  */
-	  if (GET_CODE (operands[0]) == MEM
-	      && !EXTRA_CONSTRAINT (operands[0], 'U'))
-	    {
-	      rtx mem = gen_rtx_MEM (GET_MODE (operands[0]),
-				     copy_to_mode_reg (Pmode,
-						       XEXP (operands[0], 0)));
-	      MEM_COPY_ATTRIBUTES (mem, operands[0]);
-	      operands[0] = mem;
-	    }
+	  rtx mem = gen_rtx_MEM (GET_MODE (operands[0]),
+				 copy_to_mode_reg (Pmode,
+						   XEXP (operands[0], 0)));
+	  MEM_COPY_ATTRIBUTES (mem, operands[0]);
+	  operands[0] = mem;
+	}
 
-	  if (GET_CODE (operands[1]) == MEM
-	      && !EXTRA_CONSTRAINT (operands[1], 'U'))
-	    {
-	      rtx mem = gen_rtx_MEM (GET_MODE (operands[1]),
-				     copy_to_mode_reg (Pmode,
-						       XEXP (operands[1], 0)));
-	      MEM_COPY_ATTRIBUTES (mem, operands[0]);
-	      operands[1] = mem;
-	    }
-	  return 0;
+      if (GET_CODE (operands[1]) == MEM
+	  && !EXTRA_CONSTRAINT (operands[1], 'U'))
+	{
+	  rtx mem = gen_rtx_MEM (GET_MODE (operands[1]),
+				 copy_to_mode_reg (Pmode,
+						   XEXP (operands[1], 0)));
+	  MEM_COPY_ATTRIBUTES (mem, operands[0]);
+	  operands[1] = mem;
 	}
+      return 0;
     }
 
   /* Dest and src op must be register.  */

gcc/config/h8300/h8300.h

@@ -429,8 +429,6 @@ enum reg_class {
   (TARGET_H8300H || TARGET_H8300S			\
    ? (VALUE) == -1 || (VALUE) == -2 || (VALUE) == -4	\
    : (VALUE) == -1 || (VALUE) == -2)
-#define CONST_OK_FOR_O(VALUE) (ok_for_bclr (VALUE))
-#define CONST_OK_FOR_P(VALUE) (small_power_of_two (VALUE))
 
 #define CONST_OK_FOR_LETTER_P(VALUE, C)		\
   ((C) == 'I' ? CONST_OK_FOR_I (VALUE) :	\
@@ -439,8 +437,6 @@ enum reg_class {
    (C) == 'L' ? CONST_OK_FOR_L (VALUE) :	\
    (C) == 'M' ? CONST_OK_FOR_M (VALUE) :	\
    (C) == 'N' ? CONST_OK_FOR_N (VALUE) :	\
-   (C) == 'O' ? CONST_OK_FOR_O (VALUE) :	\
-   (C) == 'P' ? CONST_OK_FOR_P (VALUE) :	\
    0)
 
 /* Similar, but for floating constants, and defining letters G and H.

gcc/config/h8300/h8300.md

@@ -1023,7 +1023,7 @@
   ""
   "
 {
-  if (fix_bit_operand (operands, 'O', AND))
+  if (fix_bit_operand (operands, 0, AND))
     DONE;
 }")
 
@@ -1094,7 +1094,7 @@
   ""
   "
 {
-  if (fix_bit_operand (operands, 'P', IOR))
+  if (fix_bit_operand (operands, 1, IOR))
     DONE;
 }")
 
@@ -1136,7 +1136,7 @@
   ""
   "
 {
-  if (fix_bit_operand (operands, 'O', XOR))
+  if (fix_bit_operand (operands, 1, XOR))
     DONE;
 }")