(:generator 20
(move x arg)
(let ((done (gen-label))
- (one-word (gen-label))
- (initial-alloc (pad-data-block (1+ bignum-digits-offset))))
+ (one-word (gen-label)))
(inst srawi. temp x 29)
(inst slwi y x 2)
(inst beq done)
- (pseudo-atomic (pa-flag :extra initial-alloc)
+ (with-fixed-allocation
+ (y pa-flag temp bignum-widetag (+ 2 bignum-digits-offset))
(inst cmpwi x 0)
- (inst ori y alloc-tn other-pointer-lowtag)
(inst li temp (logior (ash 1 n-widetag-bits) bignum-widetag))
(inst bge one-word)
- (inst addi alloc-tn alloc-tn
- (- (pad-data-block (+ bignum-digits-offset 2))
- (pad-data-block (+ bignum-digits-offset 1))))
(inst li temp (logior (ash 2 n-widetag-bits) bignum-widetag))
(emit-label one-word)
(storew temp y 0 other-pointer-lowtag)