c4x-protos.h: Remove the prototypes for those functions removed from c4x.c.

	* config/c4x/c4x-protos.h: Remove the prototypes for those
	functions removed from c4x.c.  Add prototypes for those
	functions exported in c4x.c.
	* config/c4x/c4x.c (any_operand, fp_zero_operand,
	const_operand, stik_const_operand, not_const_operand,
	reg_operand, r0r1_reg_operand, r2r3_reg_operand,
	ext_low_reg_operand, ext_reg_operand, std_reg_operand,
	std_or_reg_operand, addr_reg_operand, index_reg_operand,
	dp_reg_operand, sp_reg_operand, st_reg_operand,
	rc_reg_operand, call_address_operand,
	symbolic_address_operand, dst_operand, src_operand,
	src_hi_operand, lsrc_operand, tsrc_operand,
	nonimmediate_src_operand, nonimmediate_lsrc_operand,
	reg_or_const_operand, par_ind_operand, parallel_operand):
	Remove.
	(c4x_immed_float_p, c4x_a_register, c4x_x_register,
	c4x_K_constant, c4x_N_constant, c4x_O_constant,
	c4x_S_indirect): Export.
	* config/c4x/c4x.h (PREDICATE_CODES): Remove.
	* config/c4x/c4x.md: Include predicates.md.
	* config/c4x/predicates.md: New.

From-SVN: r101469

gcc/ChangeLog

+2005-06-30  Kazu Hirata  <kazu@codesourcery.com>
+
+	* config/c4x/c4x-protos.h: Remove the prototypes for those
+	functions removed from c4x.c.  Add prototypes for those
+	functions exported in c4x.c.
+	* config/c4x/c4x.c (any_operand, fp_zero_operand,
+	const_operand, stik_const_operand, not_const_operand,
+	reg_operand, r0r1_reg_operand, r2r3_reg_operand,
+	ext_low_reg_operand, ext_reg_operand, std_reg_operand,
+	std_or_reg_operand, addr_reg_operand, index_reg_operand,
+	dp_reg_operand, sp_reg_operand, st_reg_operand,
+	rc_reg_operand, call_address_operand,
+	symbolic_address_operand, dst_operand, src_operand,
+	src_hi_operand, lsrc_operand, tsrc_operand,
+	nonimmediate_src_operand, nonimmediate_lsrc_operand,
+	reg_or_const_operand, par_ind_operand, parallel_operand):
+	Remove.
+	(c4x_immed_float_p, c4x_a_register, c4x_x_register,
+	c4x_K_constant, c4x_N_constant, c4x_O_constant,
+	c4x_S_indirect): Export.
+	* config/c4x/c4x.h (PREDICATE_CODES): Remove.
+	* config/c4x/c4x.md: Include predicates.md.
+	* config/c4x/predicates.md: New.
+
 2005-06-30  Jakub Jelinek  <jakub@redhat.com>
 
 	* function.c (stack_protect_epilogue): Pass label to

gcc/config/c4x/c4x-protos.h

 /* Definitions of target machine for GNU compiler.  TMS320C[34]x
-   Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2003, 2004
+   Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2003, 2004, 2005
    Free Software Foundation, Inc.
 
    Contributed by Michael Hayes (m.hayes@elec.canterbury.ac.nz)
@@ -98,66 +98,12 @@ extern int c4x_check_laj_p (rtx);
 
 extern int c4x_autoinc_operand (rtx, enum machine_mode);
 
-extern int any_operand (rtx, enum machine_mode);
-
-extern int fp_zero_operand (rtx, enum machine_mode);
-
-extern int const_operand (rtx, enum machine_mode);
-
-extern int stik_const_operand (rtx, enum machine_mode);
-
-extern int not_const_operand (rtx, enum machine_mode);
-
-extern int parallel_operand (rtx, enum machine_mode);
-
 extern int reg_or_const_operand (rtx, enum machine_mode);
 
-extern int reg_operand (rtx, enum machine_mode);
-
 extern int mixed_subreg_operand (rtx, enum machine_mode);
 
 extern int reg_imm_operand (rtx, enum machine_mode);
 
-extern int r0r1_reg_operand (rtx, enum machine_mode);
-
-extern int r2r3_reg_operand (rtx, enum machine_mode);
-
-extern int ext_low_reg_operand (rtx, enum machine_mode);
-
-extern int ext_reg_operand (rtx, enum machine_mode);
-
-extern int std_reg_operand (rtx, enum machine_mode);
-
-extern int std_or_reg_operand (rtx, enum machine_mode);
-
-extern int dst_operand (rtx, enum machine_mode);
-
-extern int src_operand (rtx, enum machine_mode);
-
-extern int src_hi_operand (rtx, enum machine_mode);
-
-extern int lsrc_operand (rtx, enum machine_mode);
-
-extern int tsrc_operand (rtx, enum machine_mode);
-
-extern int nonimmediate_src_operand (rtx, enum machine_mode);
-
-extern int nonimmediate_lsrc_operand (rtx, enum machine_mode);
-
-extern int addr_reg_operand (rtx, enum machine_mode);
-
-extern int index_reg_operand (rtx, enum machine_mode);
-
-extern int dp_reg_operand (rtx, enum machine_mode);
-
-extern int sp_reg_operand (rtx, enum machine_mode);
-
-extern int rc_reg_operand (rtx, enum machine_mode);
-
-extern int st_reg_operand (rtx, enum machine_mode);
-
-extern int symbolic_address_operand (rtx, enum machine_mode);
-
 extern int ar0_reg_operand (rtx, enum machine_mode);
 
 extern int ar0_mem_operand (rtx, enum machine_mode);
@@ -204,28 +150,38 @@ extern int group1_mem_operand (rtx, enum machine_mode);
 
 extern int arx_reg_operand (rtx, enum machine_mode);
 
-extern int call_address_operand (rtx, enum machine_mode);
-
-extern int par_ind_operand (rtx, enum machine_mode);
-
 extern int not_rc_reg (rtx, enum machine_mode);
 
 extern int not_modify_reg (rtx, enum machine_mode);
 
 extern int c4x_shiftable_constant (rtx);
 
+extern int c4x_immed_float_p (rtx);
+
+extern int c4x_a_register (rtx);
+
+extern int c4x_x_register (rtx);
+
 extern int c4x_H_constant (rtx);
 
 extern int c4x_I_constant (rtx);
 
 extern int c4x_J_constant (rtx);
 
+extern int c4x_K_constant (rtx);
+
 extern int c4x_L_constant (rtx);
 
+extern int c4x_N_constant (rtx);
+
+extern int c4x_O_constant (rtx);
+
 extern int c4x_Q_constraint (rtx);
 
 extern int c4x_R_constraint (rtx);
 
+extern int c4x_S_indirect (rtx);
+
 extern int c4x_S_constraint (rtx);
 
 extern int c4x_T_constraint (rtx);

gcc/config/c4x/c4x.c

@@ -169,16 +169,9 @@ static bool c4x_handle_option (size_t, const char *, int);
 static int c4x_isr_reg_used_p (unsigned int);
 static int c4x_leaf_function_p (void);
 static int c4x_naked_function_p (void);
-static int c4x_immed_float_p (rtx);
-static int c4x_a_register (rtx);
-static int c4x_x_register (rtx);
 static int c4x_immed_int_constant (rtx);
 static int c4x_immed_float_constant (rtx);
-static int c4x_K_constant (rtx);
-static int c4x_N_constant (rtx);
-static int c4x_O_constant (rtx);
 static int c4x_R_indirect (rtx);
-static int c4x_S_indirect (rtx);
 static void c4x_S_address_parse (rtx , int *, int *, int *, int *);
 static int c4x_valid_operands (enum rtx_code, rtx *, enum machine_mode, int);
 static int c4x_arn_reg_operand (rtx, enum machine_mode, unsigned int);
@@ -2150,7 +2143,7 @@ c4x_print_operand_address (FILE *file, rtx addr)
 /* Return nonzero if the floating point operand will fit
    in the immediate field.  */
 
-static int
+int
 c4x_immed_float_p (rtx op)
 {
   long convval[2];
@@ -2460,14 +2453,14 @@ c4x_reorg (void)
 }
 
 
-static int
+int
 c4x_a_register (rtx op)
 {
   return REG_P (op) && IS_ADDR_OR_PSEUDO_REG (op);
 }
 
 
-static int
+int
 c4x_x_register (rtx op)
 {
   return REG_P (op) && IS_INDEX_OR_PSEUDO_REG (op);
@@ -2543,7 +2536,7 @@ c4x_J_constant (rtx op)
 }
 
 
-static int
+int
 c4x_K_constant (rtx op)
 {
   if (TARGET_C3X || ! c4x_immed_int_constant (op))
@@ -2559,14 +2552,14 @@ c4x_L_constant (rtx op)
 }
 
 
-static int
+int
 c4x_N_constant (rtx op)
 {
   return c4x_immed_int_constant (op) && IS_NOT_UINT16_CONST (INTVAL (op));
 }
 
 
-static int
+int
 c4x_O_constant (rtx op)
 {
   return c4x_immed_int_constant (op) && IS_HIGH_CONST (INTVAL (op));
@@ -2771,7 +2764,7 @@ c4x_S_constraint (rtx op)
 }
 
 
-static int
+int
 c4x_S_indirect (rtx op)
 {
   enum machine_mode mode = GET_MODE (op);
@@ -2907,88 +2900,6 @@ c4x_autoinc_operand (rtx op, enum machine_mode mode ATTRIBUTE_UNUSED)
 }
 
 
-/* Match any operand.  */
-
-int
-any_operand (register rtx op ATTRIBUTE_UNUSED,
-	     enum machine_mode mode ATTRIBUTE_UNUSED)
-{
-  return 1;
-}
-
-
-/* Nonzero if OP is a floating point value with value 0.0.  */
-
-int
-fp_zero_operand (rtx op, enum machine_mode mode ATTRIBUTE_UNUSED)
-{
-  REAL_VALUE_TYPE r;
-
-  if (GET_CODE (op) != CONST_DOUBLE)
-    return 0;
-  REAL_VALUE_FROM_CONST_DOUBLE (r, op);
-  return REAL_VALUES_EQUAL (r, dconst0);
-}
-
-
-int
-const_operand (register rtx op, register enum machine_mode mode)
-{
-  switch (mode)
-    {
-    case QFmode:
-    case HFmode:
-      if (GET_CODE (op) != CONST_DOUBLE
-	  || GET_MODE (op) != mode
-	  || GET_MODE_CLASS (mode) != MODE_FLOAT)
-	return 0;
-
-      return c4x_immed_float_p (op);
-
-#if Pmode != QImode
-    case Pmode:
-#endif
-    case QImode:
-      if (GET_CODE (op) != CONST_INT
-	  || (GET_MODE (op) != VOIDmode && GET_MODE (op) != mode)
-	  || GET_MODE_CLASS (mode) != MODE_INT)
-	return 0;
-
-      return IS_HIGH_CONST (INTVAL (op)) || IS_INT16_CONST (INTVAL (op));
-
-    case HImode:
-      return 0;
-
-    default:
-      return 0;
-    }
-}
-
-
-int
-stik_const_operand (rtx op, enum machine_mode mode ATTRIBUTE_UNUSED)
-{
-  return c4x_K_constant (op);
-}
-
-
-int
-not_const_operand (rtx op, enum machine_mode mode ATTRIBUTE_UNUSED)
-{
-  return c4x_N_constant (op);
-}
-
-
-int
-reg_operand (rtx op, enum machine_mode mode)
-{
-  if (GET_CODE (op) == SUBREG
-      && GET_MODE (op) == QFmode)
-    return 0;
-  return register_operand (op, mode);
-}
-
-
 int
 mixed_subreg_operand (rtx op, enum machine_mode mode ATTRIBUTE_UNUSED)
 {
@@ -3067,325 +2978,6 @@ not_rc_reg (rtx op, enum machine_mode mode ATTRIBUTE_UNUSED)
 }
 
 
-/* Extended precision register R0-R1.  */
-
-int
-r0r1_reg_operand (rtx op, enum machine_mode mode)
-{
-  if (! reg_operand (op, mode))
-    return 0;
-  if (GET_CODE (op) == SUBREG)
-    op = SUBREG_REG (op);
-  return REG_P (op) && IS_R0R1_OR_PSEUDO_REG (op);
-}
-
-
-/* Extended precision register R2-R3.  */
-
-int
-r2r3_reg_operand (rtx op, enum machine_mode mode)
-{
-  if (! reg_operand (op, mode))
-    return 0;
-  if (GET_CODE (op) == SUBREG)
-    op = SUBREG_REG (op);
-  return REG_P (op) && IS_R2R3_OR_PSEUDO_REG (op);
-}
-
-
-/* Low extended precision register R0-R7.  */
-
-int
-ext_low_reg_operand (rtx op, enum machine_mode mode)
-{
-  if (! reg_operand (op, mode))
-    return 0;
-  if (GET_CODE (op) == SUBREG)
-    op = SUBREG_REG (op);
-  return REG_P (op) && IS_EXT_LOW_OR_PSEUDO_REG (op);
-}
-
-
-/* Extended precision register.  */
-
-int
-ext_reg_operand (rtx op, enum machine_mode mode)
-{
-  if (! reg_operand (op, mode))
-    return 0;
-  if (GET_CODE (op) == SUBREG)
-    op = SUBREG_REG (op);
-  if (! REG_P (op))
-    return 0;
-  return IS_EXT_OR_PSEUDO_REG (op);
-}
-
-
-/* Standard precision register.  */
-
-int
-std_reg_operand (rtx op, enum machine_mode mode)
-{
-  if (! reg_operand (op, mode))
-    return 0;
-  if (GET_CODE (op) == SUBREG)
-    op = SUBREG_REG (op);
-  return REG_P (op) && IS_STD_OR_PSEUDO_REG (op);
-}
-
-/* Standard precision or normal register.  */
-
-int
-std_or_reg_operand (rtx op, enum machine_mode mode)
-{
-  if (reload_in_progress)
-    return std_reg_operand (op, mode);
-  return reg_operand (op, mode);
-}
-
-/* Address register.  */
-
-int
-addr_reg_operand (rtx op, enum machine_mode mode)
-{
-  if (! reg_operand (op, mode))
-    return 0;
-  return c4x_a_register (op);
-}
-
-
-/* Index register.  */
-
-int
-index_reg_operand (rtx op, enum machine_mode mode)
-{
-  if (! reg_operand (op, mode))
-    return 0;
-  if (GET_CODE (op) == SUBREG)
-    op = SUBREG_REG (op);
-  return c4x_x_register (op);
-}
-
-
-/* DP register.  */
-
-int
-dp_reg_operand (rtx op, enum machine_mode mode ATTRIBUTE_UNUSED)
-{
-  return REG_P (op) && IS_DP_OR_PSEUDO_REG (op);
-}
-
-
-/* SP register.  */
-
-int
-sp_reg_operand (rtx op, enum machine_mode mode ATTRIBUTE_UNUSED)
-{
-  return REG_P (op) && IS_SP_OR_PSEUDO_REG (op);
-}
-
-
-/* ST register.  */
-
-int
-st_reg_operand (register rtx op, enum machine_mode mode ATTRIBUTE_UNUSED)
-{
-  return REG_P (op) && IS_ST_OR_PSEUDO_REG (op);
-}
-
-
-/* RC register.  */
-
-int
-rc_reg_operand (register rtx op, enum machine_mode mode ATTRIBUTE_UNUSED)
-{
-  return REG_P (op) && IS_RC_OR_PSEUDO_REG (op);
-}
-
-
-int
-call_address_operand (rtx op, enum machine_mode mode ATTRIBUTE_UNUSED)
-{
-  return (REG_P (op) || symbolic_address_operand (op, mode));
-}
-
-
-/* Symbolic address operand.  */
-
-int
-symbolic_address_operand (register rtx op,
-			  enum machine_mode mode ATTRIBUTE_UNUSED)
-{
-  switch (GET_CODE (op))
-    {
-    case CONST:
-    case SYMBOL_REF:
-    case LABEL_REF:
-      return 1;
-    default:
-      return 0;
-    }
-}
-
-
-/* Check dst operand of a move instruction.  */
-
-int
-dst_operand (rtx op, enum machine_mode mode)
-{
-  if (GET_CODE (op) == SUBREG
-      && mixed_subreg_operand (op, mode))
-    return 0;
-
-  if (REG_P (op))
-    return reg_operand (op, mode);
-
-  return nonimmediate_operand (op, mode);
-}
-
-
-/* Check src operand of two operand arithmetic instructions.  */
-
-int
-src_operand (rtx op, enum machine_mode mode)
-{
-  if (GET_CODE (op) == SUBREG
-      && mixed_subreg_operand (op, mode))
-    return 0;
-
-  if (REG_P (op))
-    return reg_operand (op, mode);
-
-  if (mode == VOIDmode)
-    mode = GET_MODE (op);
-
-  if (GET_CODE (op) == CONST_INT)
-    return (mode == QImode || mode == Pmode || mode == HImode)
-      && c4x_I_constant (op);
-
-  /* We don't like CONST_DOUBLE integers.  */
-  if (GET_CODE (op) == CONST_DOUBLE)
-    return c4x_H_constant (op);
-
-  /* Disallow symbolic addresses.  Only the predicate
-     symbolic_address_operand will match these.  */
-  if (GET_CODE (op) == SYMBOL_REF
-      || GET_CODE (op) == LABEL_REF
-      || GET_CODE (op) == CONST)
-    return 0;
-
-  /* If TARGET_LOAD_DIRECT_MEMS is nonzero, disallow direct memory
-     access to symbolic addresses.  These operands will get forced
-     into a register and the movqi expander will generate a
-     HIGH/LO_SUM pair if TARGET_EXPOSE_LDP is nonzero.  */
-  if (GET_CODE (op) == MEM
-      && ((GET_CODE (XEXP (op, 0)) == SYMBOL_REF
-	   || GET_CODE (XEXP (op, 0)) == LABEL_REF
-	   || GET_CODE (XEXP (op, 0)) == CONST)))
-    return !TARGET_EXPOSE_LDP && 
-      ! TARGET_LOAD_DIRECT_MEMS && GET_MODE (op) == mode;
-
-  return general_operand (op, mode);
-}
-
-
-int
-src_hi_operand (rtx op, enum machine_mode mode)
-{
-  if (c4x_O_constant (op))
-    return 1;
-  return src_operand (op, mode);
-}
-
-
-/* Check src operand of two operand logical instructions.  */
-
-int
-lsrc_operand (rtx op, enum machine_mode mode)
-{
-  if (mode == VOIDmode)
-    mode = GET_MODE (op);
-
-  if (mode != QImode && mode != Pmode)
-    fatal_insn ("mode not QImode", op);
-
-  if (GET_CODE (op) == CONST_INT)
-    return c4x_L_constant (op) || c4x_J_constant (op);
-
-  return src_operand (op, mode);
-}
-
-
-/* Check src operand of two operand tricky instructions.  */
-
-int
-tsrc_operand (rtx op, enum machine_mode mode)
-{
-  if (mode == VOIDmode)
-    mode = GET_MODE (op);
-
-  if (mode != QImode && mode != Pmode)
-    fatal_insn ("mode not QImode", op);
-
-  if (GET_CODE (op) == CONST_INT)
-    return c4x_L_constant (op) || c4x_N_constant (op) || c4x_J_constant (op);
-
-  return src_operand (op, mode);
-}
-
-
-/* Check src operand of two operand non immediate instructions.  */
-
-int
-nonimmediate_src_operand (rtx op, enum machine_mode mode)
-{
-  if (GET_CODE (op) == CONST_INT || GET_CODE (op) == CONST_DOUBLE)
-    return 0;
-
-  return src_operand (op, mode);
-}
-
-
-/* Check logical src operand of two operand non immediate instructions.  */
-
-int
-nonimmediate_lsrc_operand (rtx op, enum machine_mode mode)
-{
-  if (GET_CODE (op) == CONST_INT || GET_CODE (op) == CONST_DOUBLE)
-    return 0;
-
-  return lsrc_operand (op, mode);
-}
-
-
-int
-reg_or_const_operand (rtx op, enum machine_mode mode)
-{
-  return reg_operand (op, mode) || const_operand (op, mode);
-}
-
-
-/* Check for indirect operands allowable in parallel instruction.  */
-
-int
-par_ind_operand (rtx op, enum machine_mode mode)
-{
-  if (mode != VOIDmode && mode != GET_MODE (op))
-    return 0;
-
-  return c4x_S_indirect (op);
-}
-
-
-/* Check for operands allowable in parallel instruction.  */
-
-int
-parallel_operand (rtx op, enum machine_mode mode)
-{
-  return ext_low_reg_operand (op, mode) || par_ind_operand (op, mode);
-}
-
-
 static void 
 c4x_S_address_parse (rtx op, int *base, int *incdec, int *index, int *disp)
 {

gcc/config/c4x/c4x.h

@@ -1667,41 +1667,6 @@ if (final_sequence != NULL_RTX)				\
 
 #define ASM_OUTPUT_ASM(FILE, STRING) fprintf (FILE, "%s\n", STRING)
 
-/* Define the codes that are matched by predicates in c4x.c.  */
-
-#define PREDICATE_CODES						\
-  {"fp_zero_operand", {CONST_DOUBLE}},				\
-  {"const_operand", {CONST_INT, CONST_DOUBLE}},			\
-  {"stik_const_operand", {CONST_INT}},				\
-  {"not_const_operand", {CONST_INT}},				\
-  {"reg_operand", {REG, SUBREG}},				\
-  {"reg_or_const_operand", {REG, SUBREG, CONST_INT, CONST_DOUBLE}},\
-  {"r0r1_reg_operand", {REG, SUBREG}},				\
-  {"r2r3_reg_operand", {REG, SUBREG}},				\
-  {"ext_low_reg_operand", {REG, SUBREG}},			\
-  {"ext_reg_operand", {REG, SUBREG}},				\
-  {"std_reg_operand", {REG, SUBREG}},				\
-  {"std_or_reg_operand", {REG, SUBREG}},			\
-  {"addr_reg_operand", {REG, SUBREG}},				\
-  {"index_reg_operand", {REG, SUBREG}},				\
-  {"dp_reg_operand", {REG}},					\
-  {"sp_reg_operand", {REG}},					\
-  {"st_reg_operand", {REG}},					\
-  {"rc_reg_operand", {REG}},					\
-  {"call_address_operand", {REG, SYMBOL_REF, LABEL_REF, CONST}}, \
-  {"dst_operand", {SUBREG, REG, MEM}}, \
-  {"src_operand", {SUBREG, REG, MEM, CONST_INT, CONST_DOUBLE}}, \
-  {"src_hi_operand", {SUBREG, REG, MEM, CONST_DOUBLE}}, 	\
-  {"lsrc_operand", {SUBREG, REG, MEM, CONST_INT, CONST_DOUBLE}}, \
-  {"tsrc_operand", {SUBREG, REG, MEM, CONST_INT, CONST_DOUBLE}}, \
-  {"nonimmediate_src_operand", {SUBREG, REG, MEM}}, 		\
-  {"nonimmediate_lsrc_operand", {SUBREG, REG, MEM}}, 		\
-  {"any_operand", {SUBREG, REG, MEM, CONST_INT, CONST_DOUBLE}}, \
-  {"par_ind_operand", {MEM}},					\
-  {"parallel_operand", {SUBREG, REG, MEM}},			\
-  {"symbolic_address_operand", {SYMBOL_REF, LABEL_REF, CONST}},
-
-
 /* Define the intrinsic functions for the c3x/c4x.  */
 
 enum c4x_builtins

gcc/config/c4x/c4x.md

 ;; Machine description for the TMS320C[34]x for GCC
 ;; Copyright (C) 1994, 1995, 1996, 1997, 1998,
-;; 1999, 2000, 2002, 2004 Free Software Foundation, Inc.
+;; 1999, 2000, 2002, 2004, 2005 Free Software Foundation, Inc.
 
 ;; Contributed by Michael Hayes (m.hayes@elec.canterbury.ac.nz)
 ;;            and Herman Ten Brugge (Haj.Ten.Brugge@net.HCC.nl)
@@ -907,6 +907,7 @@
                             (const_int 1) (const_int 0))]
              (const_int 0)))
 
+(include "predicates.md")
 
 ;
 ; C4x INSN PATTERNS:

gcc/config/c4x/predicates.md

+;; Predicate definitions for TMS320C[34]x.
+;; Copyright (C) 2005 Free Software Foundation, Inc.
+;;
+;; This file is part of GCC.
+;;
+;; GCC is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2, or (at your option)
+;; any later version.
+;;
+;; GCC is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with GCC; see the file COPYING.  If not, write to
+;; the Free Software Foundation, 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;; Nonzero if OP is a floating point value with value 0.0.
+
+(define_predicate "fp_zero_operand"
+  (match_code "const_double")
+{
+  REAL_VALUE_TYPE r;
+
+  if (GET_CODE (op) != CONST_DOUBLE)
+    return 0;
+  REAL_VALUE_FROM_CONST_DOUBLE (r, op);
+  return REAL_VALUES_EQUAL (r, dconst0);
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "const_operand"
+  (match_code "const_int,const_double")
+{
+  switch (mode)
+    {
+    case QFmode:
+    case HFmode:
+      if (GET_CODE (op) != CONST_DOUBLE
+	  || GET_MODE (op) != mode
+	  || GET_MODE_CLASS (mode) != MODE_FLOAT)
+	return 0;
+
+      return c4x_immed_float_p (op);
+
+#if Pmode != QImode
+    case Pmode:
+#endif
+    case QImode:
+      if (GET_CODE (op) != CONST_INT
+	  || (GET_MODE (op) != VOIDmode && GET_MODE (op) != mode)
+	  || GET_MODE_CLASS (mode) != MODE_INT)
+	return 0;
+
+      return IS_HIGH_CONST (INTVAL (op)) || IS_INT16_CONST (INTVAL (op));
+
+    case HImode:
+      return 0;
+
+    default:
+      return 0;
+    }
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "stik_const_operand"
+  (match_code "const_int")
+{
+  return c4x_K_constant (op);
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "not_const_operand"
+  (match_code "const_int")
+{
+  return c4x_N_constant (op);
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "reg_operand"
+  (match_code "reg,subreg")
+{
+  if (GET_CODE (op) == SUBREG
+      && GET_MODE (op) == QFmode)
+    return 0;
+  return register_operand (op, mode);
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "reg_or_const_operand"
+  (match_code "reg,subreg,const_int,const_double")
+{
+  return reg_operand (op, mode) || const_operand (op, mode);
+})
+
+;; Extended precision register R0-R1.
+
+(define_predicate "r0r1_reg_operand"
+  (match_code "reg,subreg")
+{
+  if (! reg_operand (op, mode))
+    return 0;
+  if (GET_CODE (op) == SUBREG)
+    op = SUBREG_REG (op);
+  return REG_P (op) && IS_R0R1_OR_PSEUDO_REG (op);
+})
+
+;; Extended precision register R2-R3.
+
+(define_predicate "r2r3_reg_operand"
+  (match_code "reg,subreg")
+{
+  if (! reg_operand (op, mode))
+    return 0;
+  if (GET_CODE (op) == SUBREG)
+    op = SUBREG_REG (op);
+  return REG_P (op) && IS_R2R3_OR_PSEUDO_REG (op);
+})
+
+;; Low extended precision register R0-R7.
+
+(define_predicate "ext_low_reg_operand"
+  (match_code "reg,subreg")
+{
+  if (! reg_operand (op, mode))
+    return 0;
+  if (GET_CODE (op) == SUBREG)
+    op = SUBREG_REG (op);
+  return REG_P (op) && IS_EXT_LOW_OR_PSEUDO_REG (op);
+})
+
+;; Extended precision register.
+
+(define_predicate "ext_reg_operand"
+  (match_code "reg,subreg")
+{
+  if (! reg_operand (op, mode))
+    return 0;
+  if (GET_CODE (op) == SUBREG)
+    op = SUBREG_REG (op);
+  if (! REG_P (op))
+    return 0;
+  return IS_EXT_OR_PSEUDO_REG (op);
+})
+
+;; Standard precision register.
+
+(define_predicate "std_reg_operand"
+  (match_code "reg,subreg")
+{
+  if (! reg_operand (op, mode))
+    return 0;
+  if (GET_CODE (op) == SUBREG)
+    op = SUBREG_REG (op);
+  return REG_P (op) && IS_STD_OR_PSEUDO_REG (op);
+})
+
+;; Standard precision or normal register.
+
+(define_predicate "std_or_reg_operand"
+  (match_code "reg,subreg")
+{
+  if (reload_in_progress)
+    return std_reg_operand (op, mode);
+  return reg_operand (op, mode);
+})
+
+;; Address register.
+
+(define_predicate "addr_reg_operand"
+  (match_code "reg,subreg")
+{
+  if (! reg_operand (op, mode))
+    return 0;
+  return c4x_a_register (op);
+})
+
+;; Index register.
+
+(define_predicate "index_reg_operand"
+  (match_code "reg,subreg")
+{
+  if (! reg_operand (op, mode))
+    return 0;
+  if (GET_CODE (op) == SUBREG)
+    op = SUBREG_REG (op);
+  return c4x_x_register (op);
+})
+
+;; DP register.
+
+(define_predicate "dp_reg_operand"
+  (match_code "reg")
+{
+  return REG_P (op) && IS_DP_OR_PSEUDO_REG (op);
+})
+
+;; SP register.
+
+(define_predicate "sp_reg_operand"
+  (match_code "reg")
+{
+  return REG_P (op) && IS_SP_OR_PSEUDO_REG (op);
+})
+
+;; ST register.
+
+(define_predicate "st_reg_operand"
+  (match_code "reg")
+{
+  return REG_P (op) && IS_ST_OR_PSEUDO_REG (op);
+})
+
+;; RC register.
+
+(define_predicate "rc_reg_operand"
+  (match_code "reg")
+{
+  return REG_P (op) && IS_RC_OR_PSEUDO_REG (op);
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "call_address_operand"
+  (match_code "reg,symbol_ref,label_ref,const")
+{
+  return (REG_P (op) || symbolic_address_operand (op, mode));
+})
+
+;; Check dst operand of a move instruction.
+
+(define_predicate "dst_operand"
+  (match_code "subreg,reg,mem")
+{
+  if (GET_CODE (op) == SUBREG
+      && mixed_subreg_operand (op, mode))
+    return 0;
+
+  if (REG_P (op))
+    return reg_operand (op, mode);
+
+  return nonimmediate_operand (op, mode);
+})
+
+;; Check src operand of two operand arithmetic instructions.
+
+(define_predicate "src_operand"
+  (match_code "subreg,reg,mem,const_int,const_double")
+{
+  if (GET_CODE (op) == SUBREG
+      && mixed_subreg_operand (op, mode))
+    return 0;
+
+  if (REG_P (op))
+    return reg_operand (op, mode);
+
+  if (mode == VOIDmode)
+    mode = GET_MODE (op);
+
+  if (GET_CODE (op) == CONST_INT)
+    return (mode == QImode || mode == Pmode || mode == HImode)
+      && c4x_I_constant (op);
+
+  /* We don't like CONST_DOUBLE integers.  */
+  if (GET_CODE (op) == CONST_DOUBLE)
+    return c4x_H_constant (op);
+
+  /* Disallow symbolic addresses.  Only the predicate
+     symbolic_address_operand will match these.  */
+  if (GET_CODE (op) == SYMBOL_REF
+      || GET_CODE (op) == LABEL_REF
+      || GET_CODE (op) == CONST)
+    return 0;
+
+  /* If TARGET_LOAD_DIRECT_MEMS is nonzero, disallow direct memory
+     access to symbolic addresses.  These operands will get forced
+     into a register and the movqi expander will generate a
+     HIGH/LO_SUM pair if TARGET_EXPOSE_LDP is nonzero.  */
+  if (GET_CODE (op) == MEM
+      && ((GET_CODE (XEXP (op, 0)) == SYMBOL_REF
+	   || GET_CODE (XEXP (op, 0)) == LABEL_REF
+	   || GET_CODE (XEXP (op, 0)) == CONST)))
+    return !TARGET_EXPOSE_LDP &&
+      ! TARGET_LOAD_DIRECT_MEMS && GET_MODE (op) == mode;
+
+  return general_operand (op, mode);
+})
+
+;; TODO: Add a comment here.
+
+(define_predicate "src_hi_operand"
+  (match_code "subreg,reg,mem,const_double")
+{
+  if (c4x_O_constant (op))
+    return 1;
+  return src_operand (op, mode);
+})
+
+;; Check src operand of two operand logical instructions.
+
+(define_predicate "lsrc_operand"
+  (match_code "subreg,reg,mem,const_int,const_double")
+{
+  if (mode == VOIDmode)
+    mode = GET_MODE (op);
+
+  if (mode != QImode && mode != Pmode)
+    fatal_insn ("mode not QImode", op);
+
+  if (GET_CODE (op) == CONST_INT)
+    return c4x_L_constant (op) || c4x_J_constant (op);
+
+  return src_operand (op, mode);
+})
+
+;; Check src operand of two operand tricky instructions.
+
+(define_predicate "tsrc_operand"
+  (match_code "subreg,reg,mem,const_int,const_double")
+{
+  if (mode == VOIDmode)
+    mode = GET_MODE (op);
+
+  if (mode != QImode && mode != Pmode)
+    fatal_insn ("mode not QImode", op);
+
+  if (GET_CODE (op) == CONST_INT)
+    return c4x_L_constant (op) || c4x_N_constant (op) || c4x_J_constant (op);
+
+  return src_operand (op, mode);
+})
+
+;; Check src operand of two operand non immediate instructions.
+
+(define_predicate "nonimmediate_src_operand"
+  (match_code "subreg,reg,mem")
+{
+  if (GET_CODE (op) == CONST_INT || GET_CODE (op) == CONST_DOUBLE)
+    return 0;
+
+  return src_operand (op, mode);
+})
+
+;; Check logical src operand of two operand non immediate instructions.
+
+(define_predicate "nonimmediate_lsrc_operand"
+  (match_code "subreg,reg,mem")
+{
+  if (GET_CODE (op) == CONST_INT || GET_CODE (op) == CONST_DOUBLE)
+    return 0;
+
+  return lsrc_operand (op, mode);
+})
+
+;; Match any operand.
+
+(define_predicate "any_operand"
+  (match_code "subreg,reg,mem,const_int,const_double")
+{
+  return 1;
+})
+
+;; Check for indirect operands allowable in parallel instruction.
+
+(define_predicate "par_ind_operand"
+  (match_code "mem")
+{
+  if (mode != VOIDmode && mode != GET_MODE (op))
+    return 0;
+
+  return c4x_S_indirect (op);
+})
+
+;; Check for operands allowable in parallel instruction.
+
+(define_predicate "parallel_operand"
+  (match_code "subreg,reg,mem")
+{
+  return ext_low_reg_operand (op, mode) || par_ind_operand (op, mode);
+})
+
+;; Symbolic address operand.
+
+(define_predicate "symbolic_address_operand"
+  (match_code "symbol_ref,label_ref,const")
+{
+  switch (GET_CODE (op))
+    {
+    case CONST:
+    case SYMBOL_REF:
+    case LABEL_REF:
+      return 1;
+    default:
+      return 0;
+    }
+})