re PR target/78166 (hash.c:1887:1: error: unrecognizable insn)

	PR target/78166
	* config/pa/pa.md: Add new shift/add patterns to handle
	(plus (mult (reg) (mem_shadd_operand)) (reg)) source operand.

From-SVN: r241749

gcc/ChangeLog

+2016-11-01  John David Anglin  <danglin@gcc.gnu.org>
+
+	PR target/78166
+	* config/pa/pa.md: Add new shift/add patterns to handle
+	(plus (mult (reg) (mem_shadd_operand)) (reg)) source operand.
+
 2016-11-01  Max Filippov  <jcmvbkbc@gmail.com>
 
 	* config/xtensa/xtensa-protos.h

gcc/config/pa/pa.md

@@ -6249,6 +6249,21 @@
    (set_attr "length" "4")])
 
 (define_insn ""
+  [(set (match_operand:SI 0 "register_operand" "=r")
+	(plus:SI (mult:SI (match_operand:SI 2 "register_operand" "r")
+			  (match_operand:SI 3 "mem_shadd_operand" ""))
+		 (match_operand:SI 1 "register_operand" "r")))]
+  ""
+  "*
+{
+  int shift_val = exact_log2 (INTVAL (operands[3]));
+  operands[3] = GEN_INT (shift_val);
+  return \"{sh%o3addl %2,%1,%0|shladd,l %2,%o3,%1,%0}\";
+}"
+  [(set_attr "type" "binary")
+   (set_attr "length" "4")])
+
+(define_insn ""
   [(set (match_operand:DI 0 "register_operand" "=r")
 	(plus:DI (ashift:DI (match_operand:DI 2 "register_operand" "r")
 			    (match_operand:DI 3 "shadd_operand" ""))
@@ -6258,6 +6273,21 @@
   [(set_attr "type" "binary")
    (set_attr "length" "4")])
 
+(define_insn ""
+  [(set (match_operand:DI 0 "register_operand" "=r")
+	(plus:DI (mult:DI (match_operand:DI 2 "register_operand" "r")
+			  (match_operand:DI 3 "mem_shadd_operand" ""))
+		 (match_operand:DI 1 "register_operand" "r")))]
+  "TARGET_64BIT"
+  "*
+{
+  int shift_val = exact_log2 (INTVAL (operands[3]));
+  operands[3] = GEN_INT (shift_val);
+  return \"shladd,l %2,%o3,%1,%0\";
+}"
+  [(set_attr "type" "binary")
+   (set_attr "length" "4")])
+
 (define_expand "ashlsi3"
   [(set (match_operand:SI 0 "register_operand" "")
 	(ashift:SI (match_operand:SI 1 "lhs_lshift_operand" "")