:from :eval :to :result) ecx)
(:temporary (:sc unsigned-reg :offset edx-offset
:from :eval :to :result) edx)
- #!+darwin
- (:temporary (:sc unsigned-reg :offset esi-offset) prev-esp)
(:node-var node)
(:vop-var vop)
(:save-p t)
(dotimes (i 8)
(inst fstp fr0-tn))
- #!+win32
+ ;; Clear out DF: Darwin, Windows, and Solaris at least require
+ ;; this, and it should not hurt others either.
(inst cld)
- #!+darwin
- ;; Align stack for C.
- (progn
- (move prev-esp esp-tn)
- (inst and esp-tn -16))
-
(inst call function)
- ;; To give the debugger a clue. XX not really internal-error?
+ ;; To give the debugger a clue. FIXME: not really internal-error?
(note-this-location vop :internal-error)
- #!+darwin
- ;; Restore
- (move esp-tn prev-esp)
-
;; Restore the NPX for lisp; ensure no regs are empty
(dotimes (i 7)
(inst fldz))
(if (and results
(location= (tn-ref-tn results) fr0-tn))
;; The return result is in fr0.
- (inst fxch fr7-tn) ; move the result back to fr0
- (inst fldz)) ; insure no regs are empty
+ (inst fxch fr7-tn) ; move the result back to fr0
+ (inst fldz)) ; insure no regs are empty
))))
;;; While SBCL uses the FPU in 53-bit mode, most C libraries assume that
(unless (zerop amount)
(let ((delta (logandc2 (+ amount 3) 3)))
(inst sub esp-tn delta)))
- ;; C stack should probably be 16 byte aligned on Darwin
- #!+darwin (inst and esp-tn -16)
+ (align-stack-pointer esp-tn)
(move result esp-tn)))
-(define-vop (dealloc-number-stack-space)
- (:info amount)
- (:generator 0
- (unless (zerop amount)
- (let ((delta (logandc2 (+ amount 3) 3)))
- (inst add esp-tn delta)))))
-
(define-vop (alloc-alien-stack-space)
(:info amount)
#!+sb-thread (:temporary (:sc unsigned-reg) temp)