(truncate:SI (lshiftrt:DI (mult:DI (zero_extend:DI (match_dup 1))
(zero_extend:DI (match_dup 2)))
(const_int 32))))])]
- ;; Prevent generating an insn that the immediate pattern below
- ;; would refuse to match.
- ;; Testing INTVAL in this way is a no-op, both there and here;
- ;; but in case on some host is not a no-op,
- ;; this test must go with the other.
- "TARGET_68020
- && !(GET_CODE (operands[2]) == CONST_INT
- && INTVAL (operands[2]) > 0x7fffffff)"
+ "TARGET_68020"
"")
(define_insn ""
"TARGET_68020"
"mulu%.l %2,%3:%0")
-; Match immediate case. For 2.4 only match things < 2^31. For 2.5 we
-; can enhance this and the similar pattern below for signed multiply.
+; Match immediate case. For 2.4 only match things < 2^31.
+; It's tricky with larger values in these patterns since we need to match
+; values between the two parallel multiplies, between a CONST_DOUBLE and
+; a CONST_INT.
(define_insn ""
[(set (match_operand:SI 0 "register_operand" "=d")
(mult:SI (match_operand:SI 1 "register_operand" "%0")
- (match_operand:SI 2 "" "K")))
+ (match_operand:SI 2 "const_int_operand" "n")))
(set (match_operand:SI 3 "register_operand" "=d")
(truncate:SI (lshiftrt:DI (mult:DI (zero_extend:DI (match_dup 1))
(match_dup 2))
(const_int 32))))]
"TARGET_68020
- && GET_CODE (operands[2]) == CONST_INT && INTVAL (operands[2]) <= 0x7fffffff"
+ && (unsigned) INTVAL (operands[2]) <= 0x7fffffff"
"mulu%.l %2,%3:%0")
(define_expand "mulsidi3"
(truncate:SI (ashift:DI (mult:DI (sign_extend:DI (match_dup 1))
(sign_extend:DI (match_dup 2)))
(const_int 32))))])]
- ;; Prevent generating an insn that the immediate pattern below
- ;; would refuse to match.
- ;; Testing INTVAL in this way is a no-op, both there and here;
- ;; but in case on some host is not a no-op,
- ;; this test must go with the other.
- "TARGET_68020
- && !(GET_CODE (operands[2]) == CONST_INT
- && INTVAL (operands[2]) > 0x7fffffff)"
+ "TARGET_68020"
"")
(define_insn ""
(define_insn ""
[(set (match_operand:SI 0 "register_operand" "=d")
(mult:SI (match_operand:SI 1 "register_operand" "%0")
- (match_operand:SI 2 "" "K")))
+ (match_operand:SI 2 "const_int_operand" "n")))
(set (match_operand:SI 3 "register_operand" "=d")
(truncate:SI (ashift:DI (mult:DI (sign_extend:DI (match_dup 1))
(match_dup 2))
(const_int 32))))]
"TARGET_68020
- && GET_CODE (operands[2]) == CONST_INT && INTVAL (operands[2]) <= 0x7fffffff"
+ /* This test is a noop on 32 bit machines,
+ but important for a cross-compiler hosted on 64-bit machines. */
+ && INTVAL (operands[2]) <= 0x7fffffff
+ && INTVAL (operands[2]) >= -0x80000000"
"muls%.l %2,%3:%0")
(define_expand "muldf3"