- (with-fixed-allocation (ebx bignum-widetag (+ bignum-digits-offset 1))
- (storew eax ebx bignum-digits-offset other-pointer-lowtag))
-
- (inst ret))
-
-#+sb-assembling ; We don't want a vop for this one either.
-(define-assembly-routine
- (move-from-unsigned)
- ((:temp eax unsigned-reg eax-offset)
- (:temp ebx unsigned-reg ebx-offset))
-
- (inst test eax #xe0000000)
- (inst jmp :nz bignum)
- ;; Fixnum
- (inst mov ebx eax)
- (inst shl ebx 2)
- (inst ret)
-
- BIGNUM
- ;;; Note: On the mips port space for a two word bignum is always
- ;;; allocated and the header size is set to either one or two words
- ;;; as appropriate. On the mips port this is faster, and smaller
- ;;; inline, but produces more garbage. The inline x86 version uses
- ;;; the same approach, but here we save garbage and allocate the
- ;;; smallest possible bignum.
- (inst jmp :ns one-word-bignum)
- (inst mov ebx eax)
-
- ;; Two word bignum
- (with-fixed-allocation (ebx bignum-widetag (+ bignum-digits-offset 2))
- (storew eax ebx bignum-digits-offset other-pointer-lowtag))
- (inst ret)
+#+sb-assembling
+(macrolet ((def (reg)
+ (let ((tn (symbolicate reg "-TN")))
+ `(define-assembly-routine (,(symbolicate "ALLOC-SIGNED-BIGNUM-IN-" reg)) ()
+ (inst push ,tn)
+ (with-fixed-allocation (,tn bignum-widetag (+ bignum-digits-offset 1))
+ (popw ,tn bignum-digits-offset other-pointer-lowtag))
+ (inst ret)))))
+ (def eax)
+ (def ebx)
+ (def ecx)
+ (def edx)
+ (def edi)
+ (def esi))