+Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
+
+ * alpha.c (add_operand): Simplify the CONST_INT match.
+ (sext_add_operand): Correct typo in comparison by using
+ CONST_OK_FOR_LETTER_P.
+ * alpha.md (s?addq): Use sext_add_operand to allow the negative
+ constant alternatives to be generated.
+ (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
+ small constants, since the hw instructions do.
+
Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
* reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
enum machine_mode mode;
{
if (GET_CODE (op) == CONST_INT)
+ /* Constraints I, J, O and P are covered by K. */
return (CONST_OK_FOR_LETTER_P (INTVAL (op), 'K')
- || CONST_OK_FOR_LETTER_P (INTVAL (op), 'L')
- || CONST_OK_FOR_LETTER_P (INTVAL (op), 'O'));
+ || CONST_OK_FOR_LETTER_P (INTVAL (op), 'L'));
else if (GET_CODE (op) == CONSTANT_P_RTX)
return 1;
enum machine_mode mode;
{
if (GET_CODE (op) == CONST_INT)
- return ((unsigned HOST_WIDE_INT) INTVAL (op) < 255
- || (unsigned HOST_WIDE_INT) (- INTVAL (op)) < 255);
+ return (CONST_OK_FOR_LETTER_P (INTVAL (op), 'I')
+ || CONST_OK_FOR_LETTER_P (INTVAL (op), 'O'));
else if (GET_CODE (op) == CONSTANT_P_RTX)
return 1;
[(set (match_operand:DI 0 "register_operand" "=r,r")
(plus:DI (mult:DI (match_operand:DI 1 "reg_or_0_operand" "rJ,rJ")
(match_operand:DI 2 "const48_operand" "I,I"))
- (match_operand:DI 3 "reg_or_8bit_operand" "rI,O")))]
+ (match_operand:DI 3 "sext_add_operand" "rI,O")))]
""
"@
s%2addq %r1,%3,%0
(define_insn "mulsi3"
[(set (match_operand:SI 0 "register_operand" "=r")
(mult:SI (match_operand:SI 1 "reg_or_0_operand" "%rJ")
- (match_operand:SI 2 "reg_or_0_operand" "rJ")))]
+ (match_operand:SI 2 "reg_or_8bit_operand" "rI")))]
""
- "mull %r1,%r2,%0"
+ "mull %r1,%2,%0"
[(set_attr "type" "imul")
(set_attr "opsize" "si")])
(define_insn ""
[(set (match_operand:DI 0 "register_operand" "=r")
- (sign_extend:DI (mult:SI (match_operand:SI 1 "reg_or_0_operand" "%rJ")
- (match_operand:SI 2 "reg_or_0_operand" "rJ"))))]
+ (sign_extend:DI
+ (mult:SI (match_operand:SI 1 "reg_or_0_operand" "%rJ")
+ (match_operand:SI 2 "reg_or_8bit_operand" "rI"))))]
""
- "mull %r1,%r2,%0"
+ "mull %r1,%2,%0"
[(set_attr "type" "imul")
(set_attr "opsize" "si")])
(define_insn "muldi3"
[(set (match_operand:DI 0 "register_operand" "=r")
(mult:DI (match_operand:DI 1 "reg_or_0_operand" "%rJ")
- (match_operand:DI 2 "reg_or_0_operand" "rJ")))]
+ (match_operand:DI 2 "reg_or_8bit_operand" "rI")))]
""
- "mulq %r1,%r2,%0"
+ "mulq %r1,%2,%0"
[(set_attr "type" "imul")])
(define_insn "umuldi3_highpart"
[(set (match_operand:DI 0 "register_operand" "=r")
(truncate:DI
(lshiftrt:TI
- (mult:TI (zero_extend:TI (match_operand:DI 1 "register_operand" "r"))
- (zero_extend:TI (match_operand:DI 2 "register_operand" "r")))
+ (mult:TI (zero_extend:TI
+ (match_operand:DI 1 "reg_or_0_operand" "%rJ"))
+ (zero_extend:TI
+ (match_operand:DI 2 "reg_or_8bit_operand" "rI")))
(const_int 64))))]
""
- "umulh %1,%2,%0"
+ "umulh %r1,%2,%0"
[(set_attr "type" "imul")
(set_attr "opsize" "udi")])