h8300.c (compute_mov_length): Fix the length of loading CONST0_RTX (SFmode).

	* config/h8300/h8300.c (compute_mov_length): Fix the length of
	loading CONST0_RTX (SFmode).
	* config/h8300/h8300.h (CONST_DOUBLE_OK_FOR_LETTER_P): Change
	'G' to CONST0_RTX (SFmode).
	* config/h8300/h8300.md (movsf_h8300): Change the first
	constraint to 'G'.
	(movsf_h8300h): Likewise.

From-SVN: r68854

gcc/ChangeLog

+2003-07-02  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* config/h8300/h8300.c (compute_mov_length): Fix the length of
+	loading CONST0_RTX (SFmode).
+	* config/h8300/h8300.h (CONST_DOUBLE_OK_FOR_LETTER_P): Change
+	'G' to CONST0_RTX (SFmode).
+	* config/h8300/h8300.md (movsf_h8300): Change the first
+	constraint to 'G'.
+	(movsf_h8300h): Likewise.
+
 2003-07-02  Neil Booth  <neil@daikokuya.co.uk>
 
 	* c-common.h (c_common_init_options): New prototype.

gcc/config/h8300/h8300.c

@@ -2010,7 +2010,7 @@ compute_mov_length (rtx *operands)
 	      if (REG_P (src))
 		return 2;
 
-	      if (src == const0_rtx)
+	      if (CONST_DOUBLE_OK_FOR_LETTER_P (src, 'G'))
 		return 2;
 	      return 6;
 	    }

gcc/config/h8300/h8300.h

@@ -484,7 +484,7 @@ enum reg_class {
   `G' is a floating-point zero.  */
 
 #define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C)	\
-  ((C) == 'G' ? (VALUE) == CONST0_RTX (DFmode)	\
+  ((C) == 'G' ? (VALUE) == CONST0_RTX (SFmode)	\
    : 0)
 
 /* Given an rtx X being reloaded into a reg required to be

gcc/config/h8300/h8300.md

@@ -420,7 +420,7 @@
 
 (define_insn "*movsf_h8300"
   [(set (match_operand:SF 0 "general_operand_dst" "=r,r,r,o,<,r")
-	(match_operand:SF 1 "general_operand_src" "I,r,io,r,r,>"))]
+	(match_operand:SF 1 "general_operand_src" "G,r,io,r,r,>"))]
   "TARGET_H8300
    && (register_operand (operands[0], SFmode)
        || register_operand (operands[1], SFmode))"
@@ -553,7 +553,7 @@
 
 (define_insn "*movsf_h8300h"
   [(set (match_operand:SF 0 "general_operand_dst" "=r,r,r,m,<,r")
-	(match_operand:SF 1 "general_operand_src" "I,r,im,r,r,>"))]
+	(match_operand:SF 1 "general_operand_src" "G,r,im,r,r,>"))]
   "(TARGET_H8300H || TARGET_H8300S)
    && (register_operand (operands[0], SFmode)
        || register_operand (operands[1], SFmode))"