[PATCH] Respin sparc pixel-compare patterns using iterators.

[Uros Bizjak]

Hello!

> This is heavily inspired by a proof-of-concept patch David
> Bremner sent to me the other week.
>
>	* config/sparc/sparc.md (UNSPEC_FCMPLE, UNSPEC_FCMPNE,
>	UNSPEC_FCMPGT, UNSPEC_FCMPEQ): Delete and reduce to...
>	(UNSPEC_FCMP): New unspec.
>	(gcond): New code iterator.
>	(gcond_name): New code attr.
>	(GCM): New mode iterator.
>	(gcm_name): New mode attr.
>	(fcmp{le,ne,gt,eq}{16,32}_vis): Reimplement using iterators.

You don't need gcond_name, gcond can be used directly in the pattern:

-(define_insn "fcmpeq32<P:mode>_vis"
+(define_insn "fcmp<gcond_name><gcm_name><P:mode>_vis"

(define_insn "fcmp<gcond:code><gcm_name><P:mode>_vis"

   [(set (match_operand:P 0 "register_operand" "=r")
-  	(unspec:P [(match_operand:V2SI 1 "register_operand" "e")
-		    (match_operand:V2SI 2 "register_operand" "e")]
-	 UNSPEC_FCMPEQ))]
+  	(unspec:P [(gcond:GCM (match_operand:GCM 1 "register_operand" "e")
+		              (match_operand:GCM 2 "register_operand" "e"))]
+	 UNSPEC_FCMP))]
   "TARGET_VIS"
-  "fcmpeq32\t%1, %2, %0"
+  "fcmp<gcond_name><gcm_name>\t%1, %2, %0"

"fcmp<gcond:code>..."

   [(set_attr "type" "fpmul")
    (set_attr "fptype" "double")])

Uros.