(:note "inline fixnum arithmetic")
(:generator 4
(move r x)
- (inst sar r 3)
+ (inst sar r n-fixnum-tag-bits)
(inst imul r y)))
(define-vop (fast-*-c/fixnum=>fixnum fast-safe-arith-op)
(inst idiv eax y)
(if (location= quo eax)
(inst shl eax n-fixnum-tag-bits)
- (inst lea quo (make-ea :qword :index eax
- :scale (ash 1 n-fixnum-tag-bits))))
+ (if (= n-fixnum-tag-bits 1)
+ (inst lea quo (make-ea :qword :base eax :index eax))
+ (inst lea quo (make-ea :qword :index eax
+ :scale (ash 1 n-fixnum-tag-bits)))))
(move rem edx)))
(define-vop (fast-truncate-c/fixnum=>fixnum fast-safe-arith-op)
(inst idiv eax y-arg)
(if (location= quo eax)
(inst shl eax n-fixnum-tag-bits)
- (inst lea quo (make-ea :qword :index eax
- :scale (ash 1 n-fixnum-tag-bits))))
+ (if (= n-fixnum-tag-bits 1)
+ (inst lea quo (make-ea :qword :base eax :index eax))
+ (inst lea quo (make-ea :qword :index eax
+ :scale (ash 1 n-fixnum-tag-bits)))))
(move rem edx)))
(define-vop (fast-truncate/unsigned=>unsigned fast-safe-arith-op)
(location= number result)))))
(:result-types tagged-num)
(:note "inline ASH")
+ (:variant nil)
+ (:variant-vars modularp)
(:generator 2
(cond ((and (= amount 1) (not (location= number result)))
(inst lea result (make-ea :qword :base number :index number)))
(t
(move result number)
(cond ((< -64 amount 64)
- ;; this code is used both in ASH and ASH-SMOD61, so
+ ;; this code is used both in ASH and ASH-MODFX, so
;; be careful
(if (plusp amount)
(inst shl result amount)
(progn
(inst sar result (- amount))
(inst and result (lognot fixnum-tag-mask)))))
+ ;; shifting left (zero fill)
((plusp amount)
+ (unless modularp
+ (aver (not "Impossible: fixnum ASH should not be called with
+constant shift greater than word length")))
(if (sc-is result any-reg)
- (inst xor result result)
+ (zeroize result)
(inst mov result 0)))
+ ;; shifting right (sign fill)
(t (inst sar result 63)
(inst and result (lognot fixnum-tag-mask))))))))
(vop64f (intern (format nil "FAST-~S-MOD64/FIXNUM=>FIXNUM" name)))
(vop64cu (intern (format nil "FAST-~S-MOD64-C/WORD=>UNSIGNED" name)))
(vop64cf (intern (format nil "FAST-~S-MOD64-C/FIXNUM=>FIXNUM" name)))
- (sfun61 (intern (format nil "~S-SMOD61" name)))
- (svop61f (intern (format nil "FAST-~S-SMOD61/FIXNUM=>FIXNUM" name)))
- (svop61cf (intern (format nil "FAST-~S-SMOD61-C/FIXNUM=>FIXNUM" name))))
+ (funfx (intern (format nil "~S-MODFX" name)))
+ (vopfxf (intern (format nil "FAST-~S-MODFX/FIXNUM=>FIXNUM" name)))
+ (vopfxcf (intern (format nil "FAST-~S-MODFX-C/FIXNUM=>FIXNUM" name))))
`(progn
(define-modular-fun ,fun64 (x y) ,name :untagged nil 64)
- (define-modular-fun ,sfun61 (x y) ,name :tagged t 61)
+ (define-modular-fun ,funfx (x y) ,name :tagged t
+ #.(- n-word-bits n-fixnum-tag-bits))
(define-mod-binop (,vop64u ,vopu) ,fun64)
(define-vop (,vop64f ,vopf) (:translate ,fun64))
- (define-vop (,svop61f ,vopf) (:translate ,sfun61))
+ (define-vop (,vopfxf ,vopf) (:translate ,funfx))
,@(when -c-p
`((define-mod-binop-c (,vop64cu ,vopcu) ,fun64)
- (define-vop (,svop61cf ,vopcf) (:translate ,sfun61))))))))
+ (define-vop (,vopfxcf ,vopcf) (:translate ,funfx))))))))
(def + t)
(def - t)
(def * t))
(sb!c::give-up-ir1-transform))
'(%primitive fast-ash-left-mod64/unsigned=>unsigned integer count))
-(define-vop (fast-ash-left-smod61-c/fixnum=>fixnum
+(define-vop (fast-ash-left-modfx-c/fixnum=>fixnum
fast-ash-c/fixnum=>fixnum)
- (:translate ash-left-smod61))
-(define-vop (fast-ash-left-smod61/fixnum=>fixnum
+ (:variant :modular)
+ (:translate ash-left-modfx))
+(define-vop (fast-ash-left-modfx/fixnum=>fixnum
fast-ash-left/fixnum=>fixnum))
-(deftransform ash-left-smod61 ((integer count)
- ((signed-byte 61) (unsigned-byte 6)))
+(deftransform ash-left-modfx ((integer count)
+ (fixnum (unsigned-byte 6)))
(when (sb!c::constant-lvar-p count)
(sb!c::give-up-ir1-transform))
- '(%primitive fast-ash-left-smod61/fixnum=>fixnum integer count))
+ '(%primitive fast-ash-left-modfx/fixnum=>fixnum integer count))
(in-package "SB!C")
(defknown sb!vm::%lea-mod64 (integer integer (member 1 2 4 8) (signed-byte 64))
(unsigned-byte 64)
(foldable flushable movable))
-(defknown sb!vm::%lea-smod61 (integer integer (member 1 2 4 8) (signed-byte 64))
- (signed-byte 61)
+(defknown sb!vm::%lea-modfx (integer integer (member 1 2 4 8) (signed-byte 64))
+ fixnum
(foldable flushable movable))
(define-modular-fun-optimizer %lea ((base index scale disp) :untagged nil :width width)
(cut-to-width index :untagged width nil)
'sb!vm::%lea-mod64))
(define-modular-fun-optimizer %lea ((base index scale disp) :tagged t :width width)
- (when (and (<= width 61)
+ (when (and (<= width (- sb!vm:n-word-bits sb!vm:n-fixnum-tag-bits))
(constant-lvar-p scale)
(constant-lvar-p disp))
(cut-to-width base :tagged width t)
(cut-to-width index :tagged width t)
- 'sb!vm::%lea-smod61))
+ 'sb!vm::%lea-modfx))
#+sb-xc-host
(progn
(defun sb!vm::%lea-mod64 (base index scale disp)
(ldb (byte 64 0) (%lea base index scale disp)))
- (defun sb!vm::%lea-smod61 (base index scale disp)
- (mask-signed-field 61 (%lea base index scale disp))))
+ (defun sb!vm::%lea-modfx (base index scale disp)
+ (mask-signed-field (- sb!vm:n-word-bits sb!vm:n-fixnum-tag-bits)
+ (%lea base index scale disp))))
#-sb-xc-host
(progn
(defun sb!vm::%lea-mod64 (base index scale disp)
;; can't use modular version of %LEA, as we only have VOPs for
;; constant SCALE and DISP.
(ldb (byte 64 0) (+ base (* index scale) disp))))
- (defun sb!vm::%lea-smod61 (base index scale disp)
- (let ((base (mask-signed-field 61 base))
- (index (mask-signed-field 61 index)))
+ (defun sb!vm::%lea-modfx (base index scale disp)
+ (let* ((fixnum-width (- sb!vm:n-word-bits sb!vm:n-fixnum-tag-bits))
+ (base (mask-signed-field fixnum-width base))
+ (index (mask-signed-field fixnum-width index)))
;; can't use modular version of %LEA, as we only have VOPs for
;; constant SCALE and DISP.
- (mask-signed-field 61 (+ base (* index scale) disp)))))
+ (mask-signed-field fixnum-width (+ base (* index scale) disp)))))
(in-package "SB!VM")
(define-vop (%lea-mod64/unsigned=>unsigned
%lea/unsigned=>unsigned)
(:translate %lea-mod64))
-(define-vop (%lea-smod61/fixnum=>fixnum
+(define-vop (%lea-modfx/fixnum=>fixnum
%lea/fixnum=>fixnum)
- (:translate %lea-smod61))
+ (:translate %lea-modfx))
;;; logical operations
(define-modular-fun lognot-mod64 (x) lognot :untagged nil 64)
(move hi edx)
(move lo eax)))
+#!+multiply-high-vops
+(define-vop (mulhi)
+ (:translate sb!kernel:%multiply-high)
+ (:policy :fast-safe)
+ (:args (x :scs (unsigned-reg) :target eax)
+ (y :scs (unsigned-reg unsigned-stack)))
+ (:arg-types unsigned-num unsigned-num)
+ (:temporary (:sc unsigned-reg :offset eax-offset :from (:argument 0))
+ eax)
+ (:temporary (:sc unsigned-reg :offset edx-offset :from (:argument 1)
+ :to (:result 0) :target hi) edx)
+ (:results (hi :scs (unsigned-reg)))
+ (:result-types unsigned-num)
+ (:generator 20
+ (move eax x)
+ (inst mul eax y)
+ (move hi edx)))
+
+#!+multiply-high-vops
+(define-vop (mulhi/fx)
+ (:translate sb!kernel:%multiply-high)
+ (:policy :fast-safe)
+ (:args (x :scs (any-reg) :target eax)
+ (y :scs (unsigned-reg unsigned-stack)))
+ (:arg-types positive-fixnum unsigned-num)
+ (:temporary (:sc any-reg :offset eax-offset :from (:argument 0)) eax)
+ (:temporary (:sc any-reg :offset edx-offset :from (:argument 1)
+ :to (:result 0) :target hi) edx)
+ (:results (hi :scs (any-reg)))
+ (:result-types positive-fixnum)
+ (:generator 15
+ (move eax x)
+ (inst mul eax y)
+ (move hi edx)
+ (inst and hi (lognot fixnum-tag-mask))))
+
(define-vop (bignum-lognot lognot-mod64/unsigned=>unsigned)
(:translate sb!bignum:%lognot))
(:result-types unsigned-num)
(:generator 1
(move digit fixnum)
- (inst sar digit 3)))
+ (inst sar digit n-fixnum-tag-bits)))
(define-vop (bignum-floor)
- (:translate sb!bignum:%floor)
+ (:translate sb!bignum:%bigfloor)
(:policy :fast-safe)
(:args (div-high :scs (unsigned-reg) :target edx)
(div-low :scs (unsigned-reg) :target eax)
(:generator 1
(move res digit)
(when (sc-is res any-reg control-stack)
- (inst shl res 3))))
+ (inst shl res n-fixnum-tag-bits))))
(define-vop (digit-ashr)
(:translate sb!bignum:%ashr)
(*-transformer y)))
(deftransform * ((x y)
- ((signed-byte 61) (constant-arg (unsigned-byte 64)))
- (signed-byte 61))
+ (fixnum (constant-arg (unsigned-byte 64)))
+ fixnum)
"recode as leas, shifts and adds"
(let ((y (lvar-value y)))
(*-transformer y)))
-(deftransform sb!vm::*-smod61
- ((x y) ((signed-byte 61) (constant-arg (unsigned-byte 64)))
- (signed-byte 61))
+(deftransform sb!vm::*-modfx
+ ((x y) (fixnum (constant-arg (unsigned-byte 64)))
+ fixnum)
"recode as leas, shifts and adds"
(let ((y (lvar-value y)))
(*-transformer y)))
projects / sbcl.git / blobdiff