-(in-package "SB!VM")
+;;;; the VM definition arithmetic VOPs for HPPA
+;;;; This software is part of the SBCL system. See the README file for
+;;;; more information.
+;;;;
+;;;; This software is derived from the CMU CL system, which was
+;;;; written at Carnegie Mellon University and released into the
+;;;; public domain. The software is in the public domain and is
+;;;; provided with absolutely no warranty. See the COPYING and CREDITS
+;;;; files for more information.
+(in-package "SB!VM")
\f
;;;; Unary operations.
(:translate lognot)
(:generator 1
(inst uaddcm zero-tn x res)))
-
-
\f
;;;; Binary fixnum operations.
(:affected)
(:policy :fast-safe))
-(defmacro define-binop (translate cost untagged-cost op)
+(defmacro define-binop (translate cost untagged-cost op &optional arg-swap)
`(progn
(define-vop (,(symbolicate "FAST-" translate "/FIXNUM=>FIXNUM")
fast-fixnum-binop)
(y :target r :scs (any-reg)))
(:translate ,translate)
(:generator ,cost
- (inst ,op x y r)))
+ ,(if arg-swap
+ `(inst ,op y x r)
+ `(inst ,op x y r))))
(define-vop (,(symbolicate "FAST-" translate "/SIGNED=>SIGNED")
fast-signed-binop)
(:args (x :target r :scs (signed-reg))
(y :target r :scs (signed-reg)))
(:translate ,translate)
(:generator ,untagged-cost
- (inst ,op x y r)))
+ ,(if arg-swap
+ `(inst ,op y x r)
+ `(inst ,op x y r))))
(define-vop (,(symbolicate "FAST-" translate "/UNSIGNED=>UNSIGNED")
fast-unsigned-binop)
(:args (x :target r :scs (unsigned-reg))
(y :target r :scs (unsigned-reg)))
(:translate ,translate)
(:generator ,untagged-cost
- (inst ,op x y r)))))
+ ,(if arg-swap
+ `(inst ,op y x r)
+ `(inst ,op x y r))))))
(define-binop + 2 6 add)
(define-binop - 2 6 sub)
(define-binop logior 1 2 or)
(define-binop logand 1 2 and)
+(define-binop logandc1 1 2 andcm t)
(define-binop logandc2 1 2 andcm)
(define-binop logxor 1 2 xor)
(:variant-cost 6))
\f
-;;;; 32-bit logical operations
-
-(define-vop (32bit-logical)
- (:args (x :scs (unsigned-reg))
- (y :scs (unsigned-reg)))
- (:arg-types unsigned-num unsigned-num)
- (:results (r :scs (unsigned-reg)))
- (:result-types unsigned-num)
- (:policy :fast-safe))
-
-(define-vop (32bit-logical-not 32bit-logical)
- (:translate 32bit-logical-not)
+;;;; modular functions
+(define-modular-fun +-mod32 (x y) + 32)
+(define-vop (fast-+-mod32/unsigned=>unsigned fast-+/unsigned=>unsigned)
+ (:translate +-mod32))
+(define-vop (fast-+-mod32-c/unsigned=>unsigned fast-+-c/unsigned=>unsigned)
+ (:translate +-mod32))
+
+(define-modular-fun lognot-mod32 (x) lognot 32)
+(define-vop (lognot-mod32/unsigned=>unsigned)
+ (:translate lognot-mod32)
(:args (x :scs (unsigned-reg)))
(:arg-types unsigned-num)
+ (:results (res :scs (unsigned-reg)))
+ (:result-types unsigned-num)
+ (:policy :fast-safe)
(:generator 1
- (inst uaddcm zero-tn x r)))
+ (inst uaddcm zero-tn x res)))
-(define-vop (32bit-logical-and 32bit-logical)
- (:translate 32bit-logical-and)
- (:generator 1
- (inst and x y r)))
+(macrolet
+ ((define-modular-backend (fun)
+ (let ((mfun-name (symbolicate fun '-mod32))
+ ;; FIXME: if anyone cares, add constant-arg vops. --
+ ;; CSR, 2003-09-16
+ (modvop (symbolicate 'fast- fun '-mod32/unsigned=>unsigned))
+ (vop (symbolicate 'fast- fun '/unsigned=>unsigned)))
+ `(progn
+ (define-modular-fun ,mfun-name (x y) ,fun 32)
+ (define-vop (,modvop ,vop)
+ (:translate ,mfun-name))))))
+ (define-modular-backend logxor)
+ (define-modular-backend logandc1)
+ (define-modular-backend logandc2))
+
+(define-source-transform logeqv (&rest args)
+ (if (oddp (length args))
+ `(logxor ,@args)
+ `(lognot (logxor ,@args))))
+(define-source-transform logorc1 (x y)
+ `(logior (lognot ,x) ,y))
+(define-source-transform logorc2 (x y)
+ `(logior ,x (lognot ,y)))
+(define-source-transform lognand (x y)
+ `(lognot (logand ,x ,y)))
+(define-source-transform lognor (x y)
+ `(lognot (logior ,x y)))
+
+;;;; 32-bit logical operations
-(deftransform 32bit-logical-nand ((x y) (* *))
- '(32bit-logical-not (32bit-logical-and x y)))
+(define-source-transform 32bit-logical-not (x)
+ `(logand (lognot (the (unsigned-byte 32) ,x)) #.(1- (ash 1 32))))
-(define-vop (32bit-logical-or 32bit-logical)
- (:translate 32bit-logical-or)
- (:generator 1
- (inst or x y r)))
+(deftransform 32bit-logical-and ((x y))
+ '(logand x y))
-(deftransform 32bit-logical-nor ((x y) (* *))
- '(32bit-logical-not (32bit-logical-or x y)))
+(define-source-transform 32bit-logical-nand (x y)
+ `(32bit-logical-not (32bit-logical-and ,x ,y)))
-(define-vop (32bit-logical-xor 32bit-logical)
- (:translate 32bit-logical-xor)
- (:generator 1
- (inst xor x y r)))
+(deftransform 32bit-logical-or ((x y))
+ '(logior x y))
-(deftransform 32bit-logical-eqv ((x y) (* *))
- '(32bit-logical-not (32bit-logical-xor x y)))
+(define-source-transform 32bit-logical-nor (x y)
+ `(logand (lognor (the (unsigned-byte 32) ,x) (the (unsigned-byte 32) ,y))
+ #.(1- (ash 1 32))))
-(deftransform 32bit-logical-andc1 ((x y) (* *))
- '(32bit-logical-and (32bit-logical-not x) y))
+(deftransform 32bit-logical-xor ((x y))
+ '(logxor x y))
-(define-vop (32bit-logical-andc2 32bit-logical)
- (:translate 32bit-logical-andc2)
- (:generator 1
- (inst andcm x y r)))
+(define-source-transform 32bit-logical-eqv (x y)
+ `(32bit-logical-not (32bit-logical-xor ,x ,y)))
+
+(define-source-transform 32bit-logical-orc1 (x y)
+ `(32bit-logical-or (32bit-logical-not ,x) ,y))
-(deftransform 32bit-logical-orc1 ((x y) (* *))
- '(32bit-logical-or (32bit-logical-not x) y))
+(define-source-transform 32bit-logical-orc2 (x y)
+ `(32bit-logical-or ,x (32bit-logical-not ,y)))
-(deftransform 32bit-logical-orc2 ((x y) (* *))
- '(32bit-logical-or x (32bit-logical-not y)))
+(deftransform 32bit-logical-andc1 (x y)
+ '(logandc1 x y))
+(deftransform 32bit-logical-andc2 (x y)
+ '(logandc2 x y))
(define-vop (shift-towards-someplace)
(:policy :fast-safe)
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