(:vop-var vop)
(:save-p :compute-only)
(:generator 31
- (let ((zero (generate-error-code vop division-by-zero-error x y)))
+ (let ((zero (generate-error-code vop 'division-by-zero-error x y)))
(if (sc-is y any-reg)
(inst test y y) ; smaller instruction
(inst cmp y 0))
(:vop-var vop)
(:save-p :compute-only)
(:generator 33
- (let ((zero (generate-error-code vop division-by-zero-error x y)))
+ (let ((zero (generate-error-code vop 'division-by-zero-error x y)))
(if (sc-is y unsigned-reg)
(inst test y y) ; smaller instruction
(inst cmp y 0))
(:vop-var vop)
(:save-p :compute-only)
(:generator 33
- (let ((zero (generate-error-code vop division-by-zero-error x y)))
+ (let ((zero (generate-error-code vop 'division-by-zero-error x y)))
(if (sc-is y signed-reg)
(inst test y y) ; smaller instruction
(inst cmp y 0))
(:result-types unsigned-num)
(:generator 28
(move res arg)
- (inst cmp res 0)
+ (if (sc-is res unsigned-reg)
+ (inst test res res)
+ (inst cmp res 0))
(inst jmp :ge POS)
(inst not res)
POS
;;;; binary conditional VOPs
(define-vop (fast-conditional)
- (:conditional)
- (:info target not-p)
+ (:conditional :e)
(:effects)
(:affected)
(:policy :fast-safe))
(define-vop (fast-conditional-c/fixnum fast-conditional/fixnum)
(:args (x :scs (any-reg control-stack)))
(:arg-types tagged-num (:constant (signed-byte 30)))
- (:info target not-p y))
+ (:info y))
(define-vop (fast-conditional/signed fast-conditional)
(:args (x :scs (signed-reg)
(define-vop (fast-conditional-c/signed fast-conditional/signed)
(:args (x :scs (signed-reg signed-stack)))
(:arg-types signed-num (:constant (signed-byte 32)))
- (:info target not-p y))
+ (:info y))
(define-vop (fast-conditional/unsigned fast-conditional)
(:args (x :scs (unsigned-reg)
(define-vop (fast-conditional-c/unsigned fast-conditional/unsigned)
(:args (x :scs (unsigned-reg unsigned-stack)))
(:arg-types unsigned-num (:constant (unsigned-byte 32)))
- (:info target not-p y))
+ (:info y))
(macrolet ((define-logtest-vops ()
`(progn
`(define-vop (,(symbolicate "FAST-LOGTEST" suffix)
,(symbolicate "FAST-CONDITIONAL" suffix))
(:translate logtest)
+ (:conditional :ne)
(:generator ,cost
(emit-optimized-test-inst x
,(if (eq suffix '-c/fixnum)
'(fixnumize y)
- 'y))
- (inst jmp (if not-p :e :ne) target)))))))
+ 'y))))))))
(define-logtest-vops))
(defknown %logbitp (integer unsigned-byte) boolean
;;; too much work to do the non-constant case (maybe?)
(define-vop (fast-logbitp-c/fixnum fast-conditional-c/fixnum)
(:translate %logbitp)
+ (:conditional :c)
(:arg-types tagged-num (:constant (integer 0 29)))
(:generator 4
- (inst bt x (+ y n-fixnum-tag-bits))
- (inst jmp (if not-p :nc :c) target)))
+ (inst bt x (+ y n-fixnum-tag-bits))))
(define-vop (fast-logbitp/signed fast-conditional/signed)
(:args (x :scs (signed-reg signed-stack))
(y :scs (signed-reg)))
(:translate %logbitp)
+ (:conditional :c)
(:generator 6
- (inst bt x y)
- (inst jmp (if not-p :nc :c) target)))
+ (inst bt x y)))
(define-vop (fast-logbitp-c/signed fast-conditional-c/signed)
(:translate %logbitp)
+ (:conditional :c)
(:arg-types signed-num (:constant (integer 0 31)))
(:generator 5
- (inst bt x y)
- (inst jmp (if not-p :nc :c) target)))
+ (inst bt x y)))
(define-vop (fast-logbitp/unsigned fast-conditional/unsigned)
(:args (x :scs (unsigned-reg unsigned-stack))
(y :scs (unsigned-reg)))
(:translate %logbitp)
+ (:conditional :c)
(:generator 6
- (inst bt x y)
- (inst jmp (if not-p :nc :c) target)))
+ (inst bt x y)))
(define-vop (fast-logbitp-c/unsigned fast-conditional-c/unsigned)
(:translate %logbitp)
+ (:conditional :c)
(:arg-types unsigned-num (:constant (integer 0 31)))
(:generator 5
- (inst bt x y)
- (inst jmp (if not-p :nc :c) target)))
+ (inst bt x y)))
-(macrolet ((define-conditional-vop (tran cond unsigned not-cond not-unsigned)
+(macrolet ((define-conditional-vop (tran cond unsigned)
`(progn
,@(mapcar
(lambda (suffix cost signed)
(format nil "~:@(FAST-CONDITIONAL~A~)"
suffix)))
(:translate ,tran)
+ (:conditional ,(if signed
+ cond
+ unsigned))
(:generator ,cost
(inst cmp x
,(if (eq suffix '-c/fixnum)
'(fixnumize y)
- 'y))
- (inst jmp (if not-p
- ,(if signed
- not-cond
- not-unsigned)
- ,(if signed
- cond
- unsigned))
- target))))
+ 'y)))))
'(/fixnum -c/fixnum /signed -c/signed /unsigned -c/unsigned)
'(4 3 6 5 6 5)
'(t t t t nil nil)))))
- (define-conditional-vop < :l :b :ge :ae)
- (define-conditional-vop > :g :a :le :be))
+ (define-conditional-vop < :l :b)
+ (define-conditional-vop > :g :a))
(define-vop (fast-if-eql/signed fast-conditional/signed)
(:translate eql)
(:generator 6
- (inst cmp x y)
- (inst jmp (if not-p :ne :e) target)))
+ (inst cmp x y)))
(define-vop (fast-if-eql-c/signed fast-conditional-c/signed)
(:translate eql)
(cond ((and (sc-is x signed-reg) (zerop y))
(inst test x x)) ; smaller instruction
(t
- (inst cmp x y)))
- (inst jmp (if not-p :ne :e) target)))
+ (inst cmp x y)))))
(define-vop (fast-if-eql/unsigned fast-conditional/unsigned)
(:translate eql)
(:generator 6
- (inst cmp x y)
- (inst jmp (if not-p :ne :e) target)))
+ (inst cmp x y)))
(define-vop (fast-if-eql-c/unsigned fast-conditional-c/unsigned)
(:translate eql)
(cond ((and (sc-is x unsigned-reg) (zerop y))
(inst test x x)) ; smaller instruction
(t
- (inst cmp x y)))
- (inst jmp (if not-p :ne :e) target)))
+ (inst cmp x y)))))
;;; EQL/FIXNUM is funny because the first arg can be of any type, not just a
;;; known fixnum.
(:note "inline fixnum comparison")
(:translate eql)
(:generator 4
- (inst cmp x y)
- (inst jmp (if not-p :ne :e) target)))
+ (inst cmp x y)))
(define-vop (generic-eql/fixnum fast-eql/fixnum)
(:args (x :scs (any-reg descriptor-reg)
:load-if (not (and (sc-is x control-stack)
(define-vop (fast-eql-c/fixnum fast-conditional/fixnum)
(:args (x :scs (any-reg control-stack)))
(:arg-types tagged-num (:constant (signed-byte 30)))
- (:info target not-p y)
+ (:info y)
(:translate eql)
(:generator 2
(cond ((and (sc-is x any-reg) (zerop y))
(inst test x x)) ; smaller instruction
(t
- (inst cmp x (fixnumize y))))
- (inst jmp (if not-p :ne :e) target)))
+ (inst cmp x (fixnumize y))))))
(define-vop (generic-eql-c/fixnum fast-eql-c/fixnum)
(:args (x :scs (any-reg descriptor-reg control-stack)))
(:arg-types * (:constant (signed-byte 30)))
\f
;;;; 32-bit logical operations
-(define-vop (merge-bits)
- (:translate merge-bits)
- (:args (shift :scs (signed-reg unsigned-reg) :target ecx)
- (prev :scs (unsigned-reg) :target result)
- (next :scs (unsigned-reg)))
- (:arg-types tagged-num unsigned-num unsigned-num)
- (:temporary (:sc signed-reg :offset ecx-offset :from (:argument 0)) ecx)
- (:results (result :scs (unsigned-reg) :from (:argument 1)))
- (:result-types unsigned-num)
- (:policy :fast-safe)
- (:generator 4
- (move ecx shift)
- (move result prev)
- (inst shrd result next :cl)))
-
;;; Only the lower 5 bits of the shift amount are significant.
(define-vop (shift-towards-someplace)
(:policy :fast-safe)
(:policy :fast-safe)
(:args (digit :scs (unsigned-reg)))
(:arg-types unsigned-num)
- (:conditional)
- (:info target not-p)
+ (:conditional :ns)
(:generator 3
- (inst or digit digit)
- (inst jmp (if not-p :s :ns) target)))
+ (inst or digit digit)))
;;; For add and sub with carry the sc of carry argument is any-reg so
projects / sbcl.git / blobdiff