* Makefile.in (cse.o): Depend on TARGET_H.

	* cse.c (rtx_cost): Use targetm.rtx_costs.
	* system.h (CONST_COSTS RTX_COSTS DEFAULT_RTX_COSTS): Poison.
	* doc/tm.texi: Update.

	* target.h (targetm.rtx_costs): New.
	* target-def.h (TARGET_RTX_COSTS): New.
	* hooks.c (hook_bool_rtx_int_int_intp_false): New.
	* hooks.h: Update.

	* config/alpha/alpha.c (alpha_rtx_cost_data): New.
	(alpha_rtx_costs, TARGET_RTX_COSTS): New.
	* config/alpha/alpha.h (PROCESSOR_MAX): New.
	(CONST_COSTS, RTX_COSTS): Remove.

	* config/arc/arc.c, config/arc/arc.h, config/c4x/c4x.c,
	config/c4x/c4x.h, config/cris/cris.c, config/cris/cris.h,
	config/d30v/d30v.c, config/d30v/d30v.h, config/dsp16xx/dsp16xx.c,
	config/dsp16xx/dsp16xx.h, config/frv/frv.c, config/frv/frv.h,
	config/h8300/h8300.c, config/h8300/h8300.h, config/i370/i370.c,
	config/i370/i370.h, config/i386/i386.c, config/i386/i386.h,
	config/i960/i960.c, config/i960/i960.h, config/ia64/ia64.c,
	config/ia64/ia64.h, config/m32r/m32r.c, config/m32r/m32r.h,
	config/m68k/m68k.c, config/m68k/m68k.h, config/m88k/m88k.c,
	config/m88k/m88k.h, config/mcore/mcore.c, config/mcore/mcore.h,
	config/mips/mips.c, config/mips/mips.h, config/mn10200/mn10200.c,
	config/mn10200/mn10200.h, config/mn10300/mn10300.c,
	config/mn10300/mn10300.h, config/ns32k/ns32k.c, config/ns32k/ns32k.h,
	config/pa/pa.c, config/pa/pa.h, config/pdp11/pdp11.c,
	config/pdp11/pdp11.h, config/romp/romp.c, config/romp/romp.h,
	config/rs6000/rs6000.c, config/rs6000/rs6000.h, config/s390/s390.c,
	config/s390/s390.h, config/sh/sh.c, config/sh/sh.h,
	config/stormy16/stormy16.c, config/stormy16/stormy16.h,
	config/v850/v850.c, config/v850/v850.h,
	config/xtensa/xtensa.c, config/xtensa/xtensa.h
	(CONST_COSTS, RTX_COSTS): Move code ...
	(foo_rtx_costs, TARGET_RTX_COSTS): ... here.

	* config/arm/arm.c (arm_rtx_costs_1): Rename from arm_rtx_costs.
	(arm_rtx_costs, TARGET_RTX_COSTS): New.
	* config/arm/arm-protos.h: Update.
	* config/arm/arm.h (DEFAULT_RTX_COSTS): Remove.

	* config/avr/avr.h (CONST_COSTS): Move code ...
	* config/avr/avr.c (avr_rtx_costs): ... here.
	(default_rtx_costs): Make static.
	* config/avr/avr-protos.h: Update.

	* config/h8300/h8300.c (const_costs): Make static.
	(h8300_and_costs, h8300_shift_costs): Likewise.
	* config/h8300/h8300-protos.h: Update.

	* config/ip2k/ip2k.h (DEFAULT_RTX_COSTS): Remove.
	(CONST_COSTS): Move code ...
	* config/ip2k/ip2k.c (ip2k_rtx_costs): ... here.  Rename from
	default_rtx_costs; update for signature change.
	* config/ip2k/ip2k-protos.h: Update.

	* config/m68hc11/m68hc11.h (RTX_COSTS): Remove.
	(CONST_COSTS): Move code ...
	* config/m68hc11/m68hc11.c (m68hc11_rtx_costs): ... here.
	(TARGET_RTX_COSTS): New.
	(m68hc11_rtx_costs_1): Rename from m68hc11_rtx_costs; make static.
	* config/m68hc11/m68hc11-protos.h: Update.

	* config/m68k/m68k.c (const_int_cost): Make static.
	* config/m68k/m68k-protos.h: Update.

	* config/mcore/mcore.c (mcore_const_costs): Make static.
	(mcore_and_cost, mcore_ior_cost): Likewise.
	* config/mcore/mcore-protos.h: Update.

	* config/mmix/mmix.c (mmix_rtx_costs, TARGET_RTX_COSTS): New.
	(mmix_rtx_cost_recalculated): Remove.
	* config/mmix/mmix.h (DEFAULT_RTX_COSTS): Remove.
	* config/mmix/mmix-protos.h: Update.

	* config/sh/sh.c (shiftcosts): Make static.
	(addsubcosts, andcosts, multcosts): Likewise.
	* config/sh/sh-protos.h: Update.

	* config/sparc/sparc.c (TARGET_RTX_COSTS): New.
	(sparc_rtx_costs): Make static; update for change in signature.
	* config/sparc/sparc.h (RTX_COSTS_CASES, RTX_COSTS): Remove.
	* config/sparc/sparc-protos.h: Update.

	* config/v850/v850.c (const_costs): Make static.
	* config/v850/v850-protos.h: Update.

	* config/vax/vax.h (RTX_COSTS): Remove.
	(CONST_COSTS): Move code ...
	* config/vax/vax.c (vax_rtx_costs_1): ... here; rename
	from vax_rtx_cost.
	(vax_rtx_costs, TARGET_RTX_COSTS): New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@61954 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 216 insertions, 147 deletions

diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c
index c0d0ab0780d..645ad1adbfd 100644
--- a/gcc/config/xtensa/xtensa.c
+++ b/gcc/config/xtensa/xtensa.c
@@ -204,6 +204,7 @@ static unsigned int xtensa_multibss_section_type_flags
 static void xtensa_select_rtx_section
   PARAMS ((enum machine_mode, rtx, unsigned HOST_WIDE_INT));
 static void xtensa_encode_section_info PARAMS ((tree, int));
+static bool xtensa_rtx_costs PARAMS ((rtx, int, int, int *));
 
 static rtx frame_size_const;
 static int current_function_arg_words;
@@ -240,6 +241,9 @@ static const int reg_nonleaf_alloc_order[FIRST_PSEUDO_REGISTER] =
 #undef TARGET_ENCODE_SECTION_INFO
 #define TARGET_ENCODE_SECTION_INFO  xtensa_encode_section_info
 
+#undef TARGET_RTX_COSTS
+#define TARGET_RTX_COSTS xtensa_rtx_costs
+
 struct gcc_target targetm = TARGET_INITIALIZER;
 
 
@@ -2838,4 +2842,216 @@ xtensa_encode_section_info (decl, first)
     SYMBOL_REF_FLAG (XEXP (DECL_RTL (decl), 0)) = 1;
 }
 
+/* Compute a (partial) cost for rtx X.  Return true if the complete
+   cost has been computed, and false if subexpressions should be
+   scanned.  In either case, *TOTAL contains the cost result.  */
+
+static bool
+xtensa_rtx_costs (x, code, outer_code, total)
+     rtx x;
+     int code, outer_code;
+     int *total;
+{
+  switch (code)
+    {
+    case CONST_INT:
+      switch (outer_code)
+	{
+	case SET:
+	  if (xtensa_simm12b (INTVAL (x)))
+	    {
+	      *total = 4;
+	      return true;
+	    }
+	  break;
+	case PLUS:
+	  if (xtensa_simm8 (INTVAL (x))
+	      || xtensa_simm8x256 (INTVAL (x)))
+	    {
+	      *total = 0;
+	      return true;
+	    }
+	  break;
+	case AND:
+	  if (xtensa_mask_immediate (INTVAL (x)))
+	    {
+	      *total = 0;
+	      return true;
+	    }
+	  break;
+	case COMPARE:
+	  if ((INTVAL (x) == 0) || xtensa_b4const (INTVAL (x)))
+	    {
+	      *total = 0;
+	      return true;
+	    }
+	  break;
+	case ASHIFT:
+	case ASHIFTRT:
+	case LSHIFTRT:
+	case ROTATE:
+	case ROTATERT:
+	  /* no way to tell if X is the 2nd operand so be conservative */
+	default: break;
+	}
+      if (xtensa_simm12b (INTVAL (x)))
+	*total = 5;
+      else
+	*total = 6;
+      return true;
+
+    case CONST:
+    case LABEL_REF:
+    case SYMBOL_REF:
+      *total = 5;
+      return true;
+
+    case CONST_DOUBLE:
+      *total = 7;
+      return true;
+
+    case MEM:
+      {
+	int num_words =
+	  (GET_MODE_SIZE (GET_MODE (x)) > UNITS_PER_WORD) ?  2 : 1;
+
+	if (memory_address_p (GET_MODE (x), XEXP ((x), 0)))
+	  *total = COSTS_N_INSNS (num_words);
+	else
+	  *total = COSTS_N_INSNS (2*num_words);
+	return true;
+      }
+
+    case FFS:
+      *total = COSTS_N_INSNS (TARGET_NSA ? 5 : 50);
+      return true;
+
+    case NOT:
+      *total = COSTS_N_INSNS ((GET_MODE (x) == DImode) ? 3 : 2);
+      return true;
+
+    case AND:
+    case IOR:
+    case XOR:
+      if (GET_MODE (x) == DImode)
+	*total = COSTS_N_INSNS (2);
+      else
+	*total = COSTS_N_INSNS (1);
+      return true;
+
+    case ASHIFT:
+    case ASHIFTRT:
+    case LSHIFTRT:
+      if (GET_MODE (x) == DImode)
+	*total = COSTS_N_INSNS (50);
+      else
+	*total = COSTS_N_INSNS (1);
+      return true;
+
+    case ABS:
+      {
+	enum machine_mode xmode = GET_MODE (x);
+	if (xmode == SFmode)
+	  *total = COSTS_N_INSNS (TARGET_HARD_FLOAT ? 1 : 50);
+	else if (xmode == DFmode)
+	  *total = COSTS_N_INSNS (50);
+	else
+	  *total = COSTS_N_INSNS (4);
+	return true;
+      }
+
+    case PLUS:
+    case MINUS:
+      {
+	enum machine_mode xmode = GET_MODE (x);
+	if (xmode == SFmode)
+	  *total = COSTS_N_INSNS (TARGET_HARD_FLOAT ? 1 : 50);
+	else if (xmode == DFmode || xmode == DImode)
+	  *total = COSTS_N_INSNS (50);
+	else
+	  *total = COSTS_N_INSNS (1);
+	return true;
+      }
+
+    case NEG:
+      *total = COSTS_N_INSNS ((GET_MODE (x) == DImode) ? 4 : 2);
+      return true;
+
+    case MULT:
+      {
+	enum machine_mode xmode = GET_MODE (x);
+	if (xmode == SFmode)
+	  *total = COSTS_N_INSNS (TARGET_HARD_FLOAT ? 4 : 50);
+	else if (xmode == DFmode || xmode == DImode)
+	  *total = COSTS_N_INSNS (50);
+	else if (TARGET_MUL32)
+	  *total = COSTS_N_INSNS (4);
+	else if (TARGET_MAC16)
+	  *total = COSTS_N_INSNS (16);
+	else if (TARGET_MUL16)
+	  *total = COSTS_N_INSNS (12);
+	else
+	  *total = COSTS_N_INSNS (50);
+	return true;
+      }
+
+    case DIV:
+    case MOD:
+      {
+	enum machine_mode xmode = GET_MODE (x);
+	if (xmode == SFmode)
+	  {
+	    *total = COSTS_N_INSNS (TARGET_HARD_FLOAT_DIV ? 8 : 50);
+	    return true;
+	  }
+	else if (xmode == DFmode)
+	  {
+	    *total = COSTS_N_INSNS (50);
+	    return true;
+	  }
+      }
+      /* fall through */
+
+    case UDIV:
+    case UMOD:
+      {
+	enum machine_mode xmode = GET_MODE (x);
+	if (xmode == DImode)
+	  *total = COSTS_N_INSNS (50);
+	else if (TARGET_DIV32)
+	  *total = COSTS_N_INSNS (32);
+	else
+	  *total = COSTS_N_INSNS (50);
+	return true;
+      }
+
+    case SQRT:
+      if (GET_MODE (x) == SFmode)
+	*total = COSTS_N_INSNS (TARGET_HARD_FLOAT_SQRT ? 8 : 50);
+      else
+	*total = COSTS_N_INSNS (50);
+      return true;
+
+    case SMIN:
+    case UMIN:
+    case SMAX:
+    case UMAX:
+      *total = COSTS_N_INSNS (TARGET_MINMAX ? 1 : 50);
+      return true;
+
+    case SIGN_EXTRACT:
+    case SIGN_EXTEND:
+      *total = COSTS_N_INSNS (TARGET_SEXT ? 1 : 2);
+      return true;
+
+    case ZERO_EXTRACT:
+    case ZERO_EXTEND:
+      *total = COSTS_N_INSNS (1);
+      return true;
+
+    default:
+      return false;
+    }
+}
+
 #include "gt-xtensa.h"
diff --git a/gcc/config/xtensa/xtensa.h b/gcc/config/xtensa/xtensa.h
index d51b6795a34..3ae66f1240e 100644
--- a/gcc/config/xtensa/xtensa.h
+++ b/gcc/config/xtensa/xtensa.h
@@ -1281,153 +1281,6 @@ typedef struct xtensa_args {
    indexing purposes) so give the MEM rtx a words's mode.  */
 #define FUNCTION_MODE SImode
 
-/* Xtensa constant costs.  */
-#define CONST_COSTS(X, CODE, OUTER_CODE)				\
-  case CONST_INT:							\
-    switch (OUTER_CODE)							\
-      {									\
-      case SET:								\
-	if (xtensa_simm12b (INTVAL (X))) return 4;			\
-	break;								\
-      case PLUS:							\
-	if (xtensa_simm8 (INTVAL (X))) return 0;			\
-	if (xtensa_simm8x256 (INTVAL (X))) return 0;			\
-	break;								\
-      case AND:								\
-	if (xtensa_mask_immediate (INTVAL (X))) return 0;		\
-	break;								\
-      case COMPARE:							\
-	if ((INTVAL (X) == 0) || xtensa_b4const (INTVAL (X))) return 0;	\
-	break;								\
-      case ASHIFT:							\
-      case ASHIFTRT:							\
-      case LSHIFTRT:							\
-      case ROTATE:							\
-      case ROTATERT:							\
-        /* no way to tell if X is the 2nd operand so be conservative */	\
-      default: break;							\
-      }									\
-    if (xtensa_simm12b (INTVAL (X))) return 5;				\
-    return 6;								\
-  case CONST:								\
-  case LABEL_REF:							\
-  case SYMBOL_REF:							\
-    return 5;								\
-  case CONST_DOUBLE:							\
-    return 7;
-
-/* Costs of various Xtensa operations.  */
-#define RTX_COSTS(X, CODE, OUTER_CODE)					\
-  case MEM:								\
-    {									\
-	int num_words =							\
-	  (GET_MODE_SIZE (GET_MODE (X)) > UNITS_PER_WORD) ?  2 : 1;	\
-	if (memory_address_p (GET_MODE (X), XEXP ((X), 0)))		\
-	  return COSTS_N_INSNS (num_words);				\
-									\
-	return COSTS_N_INSNS (2*num_words);				\
-    }									\
-									\
-  case FFS:								\
-    return COSTS_N_INSNS (TARGET_NSA ? 5 : 50);				\
-									\
-  case NOT:								\
-    return COSTS_N_INSNS ((GET_MODE (X) == DImode) ? 3 : 2);		\
-									\
-  case AND:								\
-  case IOR:								\
-  case XOR:								\
-    if (GET_MODE (X) == DImode) return COSTS_N_INSNS (2);		\
-    return COSTS_N_INSNS (1);						\
-									\
-  case ASHIFT:								\
-  case ASHIFTRT:							\
-  case LSHIFTRT:							\
-    if (GET_MODE (X) == DImode) return COSTS_N_INSNS (50);		\
-    return COSTS_N_INSNS (1);						\
-									\
-  case ABS:								\
-    {									\
-	enum machine_mode xmode = GET_MODE (X);				\
-	if (xmode == SFmode)						\
-	  return COSTS_N_INSNS (TARGET_HARD_FLOAT ? 1 : 50);		\
-	if (xmode == DFmode)						\
-	  return COSTS_N_INSNS (50);					\
-	return COSTS_N_INSNS (4);					\
-    }									\
-									\
-  case PLUS:								\
-  case MINUS:								\
-    {									\
-	enum machine_mode xmode = GET_MODE (X);				\
-	if (xmode == SFmode)						\
-	  return COSTS_N_INSNS (TARGET_HARD_FLOAT ? 1 : 50);		\
-	if (xmode == DFmode || xmode == DImode)				\
-	  return COSTS_N_INSNS (50);					\
-	return COSTS_N_INSNS (1);					\
-    }									\
-									\
-  case NEG:								\
-    return COSTS_N_INSNS ((GET_MODE (X) == DImode) ? 4 : 2);		\
-									\
-  case MULT:								\
-    {									\
-	enum machine_mode xmode = GET_MODE (X);				\
-	if (xmode == SFmode)						\
-	  return COSTS_N_INSNS (TARGET_HARD_FLOAT ? 4 : 50);		\
-	if (xmode == DFmode || xmode == DImode)				\
-	    return COSTS_N_INSNS (50);					\
-	if (TARGET_MUL32)						\
-	  return COSTS_N_INSNS (4);					\
-	if (TARGET_MAC16)						\
-	  return COSTS_N_INSNS (16);					\
-	if (TARGET_MUL16)						\
-	  return COSTS_N_INSNS (12);					\
-	return COSTS_N_INSNS (50);					\
-    }									\
-									\
-  case DIV:								\
-  case MOD:								\
-    {									\
-	enum machine_mode xmode = GET_MODE (X);				\
-	if (xmode == SFmode)						\
-	  return COSTS_N_INSNS (TARGET_HARD_FLOAT_DIV ? 8 : 50);	\
-	if (xmode == DFmode)						\
-	  return COSTS_N_INSNS (50);					\
-    }									\
-    /* fall through */							\
-									\
-  case UDIV:								\
-  case UMOD:								\
-    {									\
-	enum machine_mode xmode = GET_MODE (X);				\
-	if (xmode == DImode)						\
-	  return COSTS_N_INSNS (50);					\
-	if (TARGET_DIV32)						\
-	  return COSTS_N_INSNS (32);					\
-	return COSTS_N_INSNS (50);					\
-    }									\
-									\
-  case SQRT:								\
-    if (GET_MODE (X) == SFmode)						\
-      return COSTS_N_INSNS (TARGET_HARD_FLOAT_SQRT ? 8 : 50);		\
-    return COSTS_N_INSNS (50);						\
-									\
-  case SMIN:								\
-  case UMIN:								\
-  case SMAX:								\
-  case UMAX:								\
-    return COSTS_N_INSNS (TARGET_MINMAX ? 1 : 50);			\
-									\
-  case SIGN_EXTRACT:							\
-  case SIGN_EXTEND:							\
-    return COSTS_N_INSNS (TARGET_SEXT ? 1 : 2);				\
-									\
-  case ZERO_EXTRACT:							\
-  case ZERO_EXTEND:							\
-    return COSTS_N_INSNS (1);
-
-
 /* An expression giving the cost of an addressing mode that
    contains ADDRESS.  */
 #define ADDRESS_COST(ADDR) 1