200x-xx-xx Julian Brown <julian@codesourcery.com>

gcc/
200x-xx-xx  Julian Brown  <julian@codesourcery.com>

	* config/m68k/m68k.h (TUNE_68040_60): New macro.
	* config/m68k/m68k.c (standard_68881_constant_p): Use it.
	* config/m68k/m68k.md: Likewise.

From-SVN: r120707

gcc/ChangeLog

 2007-01-12  Julian Brown  <julian@codesourcery.com>
+
+	* config/m68k/m68k.h (TUNE_68040_60): New macro.
+	* config/m68k/m68k.c (standard_68881_constant_p): Use it.
+	* config/m68k/m68k.md: Likewise.
+
+2007-01-12  Julian Brown  <julian@codesourcery.com>
 	    Richard Sandiford  <richard@codesourcery.com>
 
 	* config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030

gcc/config/m68k/m68k.c

@@ -2789,7 +2789,7 @@ standard_68881_constant_p (rtx x)
 
   /* fmovecr must be emulated on the 68040 and 68060, so it shouldn't be
      used at all on those chips.  */
-  if (TUNE_68040 || TUNE_68060)
+  if (TUNE_68040_60)
     return 0;
 
   if (! inited_68881_table)

gcc/config/m68k/m68k.h

@@ -130,6 +130,7 @@ Boston, MA 02110-1301, USA.  */
 #define TUNE_68030	TARGET_68030
 #define TUNE_68040	TARGET_68040
 #define TUNE_68060	TARGET_68060
+#define TUNE_68040_60	(TUNE_68040 || TUNE_68060)
 #define TUNE_CFV2	TARGET_5200
 
 #define OVERRIDE_OPTIONS   override_options()

gcc/config/m68k/m68k.md

@@ -618,10 +618,10 @@
   if (ADDRESS_REG_P (operands[0]))
     {
       /* On the '040, 'subl an,an' takes 2 clocks while lea takes only 1 */
-      if (!TUNE_68040 && !TUNE_68060)
-	return "sub%.l %0,%0";
-      else
+      if (TUNE_68040_60)
 	return MOTOROLA ? "lea 0.w,%0" : "lea 0:w,%0";
+      else
+	return "sub%.l %0,%0";
     }
   /* moveq is faster on the 68000.  */
   if (DATA_REG_P (operands[0]) && TUNE_68000_10)
@@ -846,10 +846,10 @@
       if (ADDRESS_REG_P (operands[0]))
 	{
 	  /* On the '040, 'subl an,an' takes 2 clocks while lea takes only 1 */
-	  if (!TUNE_68040 && !TUNE_68060)
-	    return "sub%.l %0,%0";
-	  else
+	  if (TUNE_68040_60)
 	    return MOTOROLA ? "lea 0.w,%0" : "lea 0:w,%0";
+	  else
+	    return "sub%.l %0,%0";
 	}
       /* moveq is faster on the 68000.  */
       if (DATA_REG_P (operands[0]) && TUNE_68000_10)
@@ -2869,7 +2869,7 @@
   "TARGET_68881"
 {
   if (GET_CODE (operands[2]) == CONST_DOUBLE
-      && floating_exact_log2 (operands[2]) && !TUNE_68040 && !TUNE_68060)
+      && floating_exact_log2 (operands[2]) && !TUNE_68040_60)
     {
       int i = floating_exact_log2 (operands[2]);
       operands[2] = GEN_INT (i);