;; Subtraction No need to worry about constants, since the compiler
;; canonicalizes them into adddi3's.
-(define_expand "subdi3"
- [(parallel [(set (match_operand:DI 0 "integer_register_operand" "")
- (minus:DI (match_operand:DI 1 "integer_register_operand" "")
- (match_operand:DI 2 "integer_register_operand" "")))
- (clobber (match_dup 3))])]
- ""
- "
-{
- operands[3] = gen_reg_rtx (CCmode);
-}")
-
-(define_insn_and_split "*subdi3_internal"
+(define_insn_and_split "subdi3"
[(set (match_operand:DI 0 "integer_register_operand" "=&e,e,e")
(minus:DI (match_operand:DI 1 "integer_register_operand" "e,0,e")
(match_operand:DI 2 "integer_register_operand" "e,e,0")))
- (clobber (match_operand:CC 3 "icc_operand" "=t,t,t"))]
+ (clobber (match_scratch:CC 3 "=t,t,t"))]
""
"#"
"reload_completed"
[(set_attr "length" "4")
(set_attr "type" "int")])
+(define_insn_and_split "negdi2"
+ [(set (match_operand:DI 0 "integer_register_operand" "=&e,e")
+ (neg:DI (match_operand:DI 1 "integer_register_operand" "e,0")))
+ (clobber (match_scratch:CC 2 "=t,t"))]
+ ""
+ "#"
+ "reload_completed"
+ [(match_dup 3)
+ (match_dup 4)]
+ "
+{
+ rtx op0_high = gen_highpart (SImode, operands[0]);
+ rtx op1_high = gen_rtx_REG (SImode, GPR_FIRST);
+ rtx op2_high = gen_highpart (SImode, operands[1]);
+ rtx op0_low = gen_lowpart (SImode, operands[0]);
+ rtx op1_low = op1_high;
+ rtx op2_low = gen_lowpart (SImode, operands[1]);
+ rtx op3 = operands[2];
+
+ operands[3] = gen_subdi3_lower (op0_low, op1_low, op2_low, op3);
+ operands[4] = gen_subdi3_upper (op0_high, op1_high, op2_high, op3);
+}"
+ [(set_attr "length" "8")
+ (set_attr "type" "multi")])
+
;; Multiplication (same size)
;; (define_insn "muldi3"
;; [(set (match_operand:DI 0 "register_operand" "=r")