-
- ;; FIXME:
- ;; * We should ensure the existence of TLS index for LET-bound specials
- ;; at compile/load time, and use write a FAST-BIND for use with those.
- ;; * PROGV will need to do this, but even there this should not be inline.
- ;; This is probably best moved to C, since dynbind.c also needs to do this.
- (pseudo-atomic
- (emit-label get-tls-index-lock)
- (inst mov tls-index 1)
- (zeroize rax)
- (inst lock)
- (inst cmpxchg (make-ea-for-symbol-value *tls-index-lock*) tls-index)
- (inst jmp :ne get-tls-index-lock)
- ;; now with the lock held, see if the symbol's tls index has
- ;; been set in the meantime
- (loadw tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
- (inst or tls-index tls-index)
- (inst jmp :ne release-tls-index-lock)
- ;; allocate a new tls-index
- (load-symbol-value tls-index *free-tls-index*)
- (inst add (make-ea-for-symbol-value *free-tls-index*) 8) ; fixnum + 1
- (storew tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
- (emit-label release-tls-index-lock)
- (store-symbol-value 0 *tls-index-lock*))
-
+ (inst mov tls-index symbol)
+ (inst lea temp-reg-tn
+ (make-ea :qword :disp
+ (make-fixup (ecase (tn-offset tls-index)
+ (#.rax-offset 'alloc-tls-index-in-rax)
+ (#.rcx-offset 'alloc-tls-index-in-rcx)
+ (#.rdx-offset 'alloc-tls-index-in-rdx)
+ (#.rbx-offset 'alloc-tls-index-in-rbx)
+ (#.rsi-offset 'alloc-tls-index-in-rsi)
+ (#.rdi-offset 'alloc-tls-index-in-rdi)
+ (#.r8-offset 'alloc-tls-index-in-r8)
+ (#.r9-offset 'alloc-tls-index-in-r9)
+ (#.r10-offset 'alloc-tls-index-in-r10)
+ (#.r12-offset 'alloc-tls-index-in-r12)
+ (#.r13-offset 'alloc-tls-index-in-r13)
+ (#.r14-offset 'alloc-tls-index-in-r14)
+ (#.r15-offset 'alloc-tls-index-in-r15))
+ :assembly-routine)))
+ (inst call temp-reg-tn)