(GET_CODE (X) == CONST_INT && TARGET_H8300H \
&& 0xffff00 <= INTVAL (X) && INTVAL (X) <= 0xffffff)
-/* 'U' if valid for a bset destination;
+/* 'T' if valid for a push destination using pre_modify. */
+#define OK_FOR_T(OP) \
+ (GET_CODE (OP) == MEM \
+ && GET_CODE (XEXP (OP, 0)) == PRE_MODIFY \
+ && GET_CODE (XEXP (XEXP (OP, 0), 1)) == PLUS \
+ && XEXP (XEXP (XEXP (OP, 0), 1), 0) == XEXP (XEXP (OP, 0), 0) \
+ && GET_CODE (XEXP (XEXP (XEXP (OP, 0), 1), 1)) == CONST_INT \
+ && INTVAL (XEXP (XEXP (XEXP (OP, 0), 1), 1)) == - (int) STACK_BOUNDARY / 8 \
+ && XEXP (XEXP (OP, 0), 0) == stack_pointer_rtx)
+
+ /* 'U' if valid for a bset destination;
i.e. a register, register indirect, or the eightbit memory region
(a SYMBOL_REF with an SYMBOL_REF_FLAG set).
&& GET_CODE (XEXP (OP, 0)) == CONST_INT))
#define EXTRA_CONSTRAINT(OP, C) \
- ((C) == 'U' ? OK_FOR_U (OP) : \
+ ((C) == 'T' ? OK_FOR_T (OP) : \
+ (C) == 'U' ? OK_FOR_U (OP) : \
0)
\f
/* GO_IF_LEGITIMATE_ADDRESS recognizes an RTL expression
;; movqi
-(define_insn "movqi_push"
- [(set (match_operand:QI 0 "push_operand" "=<")
- (match_operand:QI 1 "register_operand" "r"))]
- ""
- "*
-{
- if (TARGET_H8300)
- return \"push.w %T1\";
- else
- return \"push.l %S1\";
-}"
- [(set (attr "length") (if_then_else (eq_attr "cpu" "h8300") (const_int 2) (const_int 4)))
- (set_attr "cc" "set_znv")])
+(define_insn ""
+ [(set (match_operand:QI 0 "general_operand_dst_push" "=r,r ,<,T,r,r,m")
+ (match_operand:QI 1 "general_operand_src" " I,r>,r,r,n,m,r"))]
+ "TARGET_H8300
+ && (register_operand (operands[0],QImode)
+ || register_operand (operands[1], QImode))"
+ "@
+ sub.b %X0,%X0
+ mov.b %R1,%X0
+ mov.b %X1,%R0
+ mov.w %T1,@-r7
+ mov.b %R1,%X0
+ mov.b %R1,%X0
+ mov.b %X1,%R0"
+ [(set_attr "length" "2,2,2,2,2,4,4")
+ (set_attr "cc" "set_zn,set_znv,set_znv,clobber,set_znv,set_znv,set_znv")])
(define_insn ""
- [(set (match_operand:QI 0 "general_operand_dst" "=r,r,<,r,r,m")
- (match_operand:QI 1 "general_operand_src" "I,r>,r,n,m,r"))]
- "register_operand (operands[0],QImode)
- || register_operand (operands[1], QImode)"
+ [(set (match_operand:QI 0 "general_operand_dst_push" "=r,r ,<,r,T,r,m")
+ (match_operand:QI 1 "general_operand_src" " I,r>,r,n,r,m,r"))]
+ "(TARGET_H8300H || TARGET_H8300S)
+ && (register_operand (operands[0],QImode)
+ || register_operand (operands[1], QImode))"
"@
sub.b %X0,%X0
mov.b %R1,%X0
mov.b %X1,%R0
mov.b %R1,%X0
+ mov.l %S1,@-er7
mov.b %R1,%X0
mov.b %X1,%R0"
- [(set_attr_alternative "length"
- [(const_int 2) (const_int 2) (const_int 2) (const_int 2)
- (if_then_else (eq_attr "cpu" "h8300") (const_int 4) (const_int 8))
- (if_then_else (eq_attr "cpu" "h8300") (const_int 4) (const_int 8))])
- (set_attr "cc" "set_zn,set_znv,set_znv,set_znv,set_znv,set_znv")])
+ [(set_attr "length" "2,2,2,2,4,8,8")
+ (set_attr "cc" "set_zn,set_znv,set_znv,clobber,set_znv,set_znv,set_znv")])
(define_expand "movqi"
- [(set (match_operand:QI 0 "general_operand_dst" "")
+ [(set (match_operand:QI 0 "general_operand_dst_push" "")
(match_operand:QI 1 "general_operand_src" ""))]
""
"
;; movhi
-;; ??? We use push.l on the h8300h to push a 16bit value?!? We have
-;; 16bit push insns!
-(define_insn "movhi_push"
- [(set (match_operand:HI 0 "push_operand" "=<")
- (match_operand:HI 1 "register_operand" "r"))]
- ""
- "*
-{
- if (TARGET_H8300)
- return \"push.w %T1\";
- else
- return \"push.l %S1\";
-}"
- [(set (attr "length") (if_then_else (eq_attr "cpu" "h8300") (const_int 2) (const_int 4)))
- (set_attr "cc" "set_znv")])
-
(define_insn ""
[(set (match_operand:HI 0 "general_operand_dst" "=r,r,<,r,r,m")
(match_operand:HI 1 "general_operand_src" "I,r>,r,i,m,r"))]
- "register_operand (operands[0],HImode)
- || register_operand (operands[1], HImode)"
+ "TARGET_H8300
+ && (register_operand (operands[0],HImode)
+ || register_operand (operands[1], HImode))"
"@
sub.w %T0,%T0
mov.w %T1,%T0
mov.w %T1,%T0
mov.w %T1,%T0
mov.w %T1,%T0"
- [(set_attr_alternative "length"
- [(const_int 2) (const_int 2) (const_int 2) (const_int 4)
- (if_then_else (eq_attr "cpu" "h8300") (const_int 4) (const_int 8))
- (if_then_else (eq_attr "cpu" "h8300") (const_int 4) (const_int 8))])
+ [(set_attr "length" "2,2,2,4,4,4")
(set_attr "cc" "set_zn,set_znv,set_znv,set_znv,set_znv,set_znv")])
+(define_insn ""
+ [(set (match_operand:HI 0 "general_operand_dst_push" "=r,r,<,T,r,r,m")
+ (match_operand:HI 1 "general_operand_src" "I,r>,r,r,i,m,r"))]
+ "(TARGET_H8300H || TARGET_H8300S)
+ && (register_operand (operands[0],HImode)
+ || register_operand (operands[1], HImode))"
+ "@
+ sub.w %T0,%T0
+ mov.w %T1,%T0
+ mov.w %T1,%T0
+ mov.l %S1,@-er7
+ mov.w %T1,%T0
+ mov.w %T1,%T0
+ mov.w %T1,%T0"
+ [(set_attr "length" "2,2,2,4,4,8,8")
+ (set_attr "cc" "set_zn,set_znv,set_znv,clobber,set_znv,set_znv,set_znv")])
+
(define_expand "movhi"
- [(set (match_operand:HI 0 "general_operand_dst" "")
+ [(set (match_operand:HI 0 "general_operand_dst_push" "")
(match_operand:HI 1 "general_operand_src" ""))]
""
"