return \"movb %1,%0\";
}")
+;; This is here to accept 4 arguments and pass the first 3 along
+;; to the movstrhi1 pattern that really does the work.
+(define_expand "movstrhi"
+ [(set (match_operand:BLK 0 "general_operand" "=g")
+ (match_operand:BLK 1 "general_operand" "g"))
+ (use (match_operand:HI 2 "general_operand" "g"))
+ (match_operand 3 "" "")]
+ ""
+ "
+ emit_insn (gen_movstrhi1 (operands[0], operands[1], operands[2]));
+ DONE;
+")
+
;; The definition of this insn does not really explain what it does,
;; but it should suffice
;; that anything generated as this insn will be recognized as one
;; and that it won't successfully combine with anything.
-(define_insn "movstrhi"
+(define_insn "movstrhi1"
[(set (match_operand:BLK 0 "general_operand" "=g")
(match_operand:BLK 1 "general_operand" "g"))
(use (match_operand:HI 2 "general_operand" "g"))
""
"jmp (%0)")
-(define_insn "casesi"
+;; This is here to accept 5 arguments (as passed by expand_end_case)
+;; and pass the first 4 along to the casesi1 pattern that really does the work.
+(define_expand "casesi"
+ [(set (pc)
+ (if_then_else (leu (minus:SI (match_operand:SI 0 "general_operand" "g")
+ (match_operand:SI 1 "general_operand" "g"))
+ (match_operand:SI 2 "general_operand" "g"))
+ (plus:SI (sign_extend:SI
+ (mem:HI
+ (plus:SI (pc)
+ (mult:SI (minus:SI (match_dup 0)
+ (match_dup 1))
+ (const_int 2)))))
+ (label_ref:SI (match_operand 3 "" "")))
+ (pc)))
+ (match_operand 4 "" "")]
+ ""
+ "
+ emit_insn (gen_casesi1 (operands[0], operands[1], operands[2], operands[3]));
+ DONE;
+")
+
+(define_insn "casesi1"
[(set (pc)
(if_then_else (leu (minus:SI (match_operand:SI 0 "general_operand" "g")
(match_operand:SI 1 "general_operand" "g"))