[CRIS, committed] Use match_test for .md attributes

[Richard Sandiford]

As per the subject.  Tested by making sure there were no differences
in the assembly output for the C and C++ testsuites for cris-elf.
Applied as preapproved (thanks H-P).

Richard


gcc/
	* config/cris/cris.md: Use match_test rather than eq/ne symbol_ref
	throughout file.

Index: gcc/config/cris/cris.md
===================================================================
--- gcc/config/cris/cris.md	2011-09-03 10:05:49.000000000 +0100
+++ gcc/config/cris/cris.md	2011-09-11 18:21:13.000000000 +0100
@@ -191,10 +191,8 @@ (define_delay (eq_attr "slottable" "has_
 
 (define_delay (eq_attr "slottable" "has_call_slot")
   [(and (eq_attr "slottable" "yes")
-	(ior (eq (symbol_ref "RTX_FRAME_RELATED_P (insn)")
-		 (const_int 0))
-	     (eq (symbol_ref "flag_exceptions")
-		 (const_int 0))))
+	(ior (not (match_test "RTX_FRAME_RELATED_P (insn)"))
+	     (not (match_test "flag_exceptions"))))
    (nil) (nil)])
 
 ;; The insn in the return insn slot must not be the
@@ -204,8 +202,7 @@ (define_delay (eq_attr "slottable" "has_
 ;; naked RETURN in middle-end.
 (define_delay (eq_attr "slottable" "has_return_slot")
   [(and (eq_attr "slottable" "yes")
-	(eq (symbol_ref "dead_or_set_regno_p (insn, CRIS_SRP_REGNUM)")
-	    (const_int 0)))
+	(not (match_test "dead_or_set_regno_p (insn, CRIS_SRP_REGNUM)")))
    (nil) (nil)])
 
 
@@ -2578,7 +2575,7 @@ (define_insn "<u>mul<s><mode>3"
   "TARGET_HAS_MUL_INSNS"
   "%!mul<su><mm> %2,%0"
   [(set (attr "slottable")
-	(if_then_else (ne (symbol_ref "TARGET_MUL_BUG") (const_int 0))
+	(if_then_else (match_test "TARGET_MUL_BUG")
 		      (const_string "no")
 		      (const_string "yes")))
    ;; For umuls.[bwd] it's just N unusable here, but let's be safe.
@@ -2601,7 +2598,7 @@ (define_insn "mulsi3"
   "TARGET_HAS_MUL_INSNS"
   "%!muls.d %2,%0"
   [(set (attr "slottable")
-	(if_then_else (ne (symbol_ref "TARGET_MUL_BUG") (const_int 0))
+	(if_then_else (match_test "TARGET_MUL_BUG")
 		      (const_string "no")
 		      (const_string "yes")))
    ;; Just N unusable here, but let's be safe.
@@ -3493,9 +3490,7 @@ (define_insn "*return_expanded"
 }
   [(set (attr "slottable")
  	(if_then_else
- 	 (ne (symbol_ref
-	      "(cris_return_address_on_stack_for_return ())")
- 	     (const_int 0))
+ 	 (match_test "cris_return_address_on_stack_for_return ()")
  	 (const_string "no")
 	 (const_string "has_return_slot")))])