m68k.md (movsf_cf_soft): Provide the same non-mov3q alternatives as movsi_cf.

gcc/
	* config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
	alternatives as movsi_cf.
	(movsf_cf_hard): Add commentary.

From-SVN: r122606

gcc/ChangeLog

+2007-03-06  Richard Sandiford  <richard@codesourcery.com>
+
+	* config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
+	alternatives as movsi_cf.
+	(movsf_cf_hard): Add commentary.
+
 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
 	    Richard Sandiford  <richard@codesourcery.com>
 

gcc/config/m68k/m68k.md

@@ -860,13 +860,15 @@
 })
 
 (define_insn "movsf_cf_soft"
-  [(set (match_operand:SF 0 "nonimmediate_operand" "=r,g")
-	(match_operand:SF 1 "general_operand" "g,r"))]
+  [(set (match_operand:SF 0 "nonimmediate_operand" "=r<Q>,g,U")
+	(match_operand:SF 1 "general_operand" "g,r<Q>,U"))]
   "TARGET_COLDFIRE && !TARGET_COLDFIRE_FPU"
 {
   return "move%.l %1,%0";
 })
 
+;; SFmode MEMs are restricted to modes 2-4 if TARGET_COLDFIRE_FPU.
+;; The move instructions can handle all combinations.
 (define_insn "movsf_cf_hard"
   [(set (match_operand:SF 0 "nonimmediate_operand" "=r<Q>U, f,    f,mr,f,r<Q>,f
 ,m")