sh.md (cmpeqsi_ior_t, [...]): New insns.

* config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
(cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
and labels.

From-SVN: r36072

gcc/ChangeLog

+2000-08-30  Alexandre Oliva  <aoliva@redhat.com>
+
+	* config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
+	(cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
+	and labels.
+
 2000-08-30  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
 
 	* fixinc/gnu-regex.c: Don't define `const'.

gcc/config/sh/sh.md

@@ -558,6 +558,30 @@
 	cmp/eq	%1,%0
 	cmp/eq	%1,%0")
 
+(define_insn "cmpeqsi_ior_t"
+  [(set (reg:SI 18)
+	(ior:SI (reg:SI 18)
+		(eq:SI (match_operand:SI 0 "arith_reg_operand" "r,z,r")
+		       (match_operand:SI 1 "arith_operand" "N,rI,r"))))]
+  ""
+  "@
+	bt .+4\;tst	%0,%0
+	bt .+4\;cmp/eq	%1,%0
+	bt .+4\;cmp/eq	%1,%0"
+  [(set_attr "length" "4")])
+
+(define_insn "cmpeqsi_and_t"
+  [(set (reg:SI 18)
+	(and:SI (reg:SI 18)
+		(eq:SI (match_operand:SI 0 "arith_reg_operand" "r,z,r")
+		       (match_operand:SI 1 "arith_operand" "N,rI,r"))))]
+  ""
+  "@
+	bf .+4\;tst	%0,%0
+	bf .+4\;cmp/eq	%1,%0
+	bf .+4\;cmp/eq	%1,%0"
+  [(set_attr "length" "4")])
+
 (define_insn "cmpgtsi_t"
   [(set (reg:SI 18) (gt:SI (match_operand:SI 0 "arith_reg_operand" "r,r")
 			   (match_operand:SI 1 "arith_reg_or_0_operand" "r,N")))]
@@ -636,11 +660,9 @@
 			   (match_operand:DI 1 "arith_reg_or_0_operand" "N,r")))]
   "reload_completed"
   [(set (reg:SI 18) (eq:SI (match_dup 2) (match_dup 3)))
-   (set (pc) (if_then_else (eq (reg:SI 18) (const_int 0))
-			   (label_ref (match_dup 6))
-			   (pc)))
-   (set (reg:SI 18) (eq:SI (match_dup 4) (match_dup 5)))
-   (match_dup 6)]
+   (set (reg:SI 18)
+	(and:SI (reg:SI 18)
+		(eq:SI (match_dup 4) (match_dup 5))))]
   "
 {
   operands[2]
@@ -654,7 +676,6 @@
 		      + (TARGET_LITTLE_ENDIAN ? 1 : 0)));
   operands[4] = gen_lowpart (SImode, operands[0]);
   operands[5] = gen_lowpart (SImode, operands[1]);
-  operands[6] = gen_label_rtx ();
 }")
 
 (define_insn "cmpgtdi_t"