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Use multi-byte NOPs for code alignment on x86-64.
[sbcl.git]
/
src
/
compiler
/
x86
/
cell.lisp
diff --git
a/src/compiler/x86/cell.lisp
b/src/compiler/x86/cell.lisp
index
8ba4680
..
0239ac1
100644
(file)
--- a/
src/compiler/x86/cell.lisp
+++ b/
src/compiler/x86/cell.lisp
@@
-30,6
+30,8
@@
(:generator 1
(storew (encode-value-if-immediate value) object offset lowtag)))
(:generator 1
(storew (encode-value-if-immediate value) object offset lowtag)))
+(define-vop (init-slot set-slot))
+
(define-vop (compare-and-swap-slot)
(:args (object :scs (descriptor-reg) :to :eval)
(old :scs (descriptor-reg any-reg) :target eax)
(define-vop (compare-and-swap-slot)
(:args (object :scs (descriptor-reg) :to :eval)
(old :scs (descriptor-reg any-reg) :target eax)
@@
-284,7
+286,7
@@
(loadw tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
(inst add bsp (* binding-size n-word-bytes))
(store-binding-stack-pointer bsp)
(loadw tls-index symbol symbol-tls-index-slot other-pointer-lowtag)
(inst add bsp (* binding-size n-word-bytes))
(store-binding-stack-pointer bsp)
- (inst or tls-index tls-index)
+ (inst test tls-index tls-index)
(inst jmp :ne tls-index-valid)
(inst mov tls-index symbol)
(inst call (make-fixup
(inst jmp :ne tls-index-valid)
(inst mov tls-index symbol)
(inst call (make-fixup
@@
-357,7
+359,7
@@
LOOP
(loadw symbol bsp (- binding-symbol-slot binding-size))
LOOP
(loadw symbol bsp (- binding-symbol-slot binding-size))
- (inst or symbol symbol)
+ (inst test symbol symbol)
(inst jmp :z skip)
;; Bind stack debug sentinels have the unbound marker in the symbol slot
(inst cmp symbol unbound-marker-widetag)
(inst jmp :z skip)
;; Bind stack debug sentinels have the unbound marker in the symbol slot
(inst cmp symbol unbound-marker-widetag)
@@
-418,6
+420,12
@@
(define-vop (closure-init slot-set)
(:variant closure-info-offset fun-pointer-lowtag))
(define-vop (closure-init slot-set)
(:variant closure-info-offset fun-pointer-lowtag))
+
+(define-vop (closure-init-from-fp)
+ (:args (object :scs (descriptor-reg)))
+ (:info offset)
+ (:generator 4
+ (storew ebp-tn object (+ closure-info-offset offset) fun-pointer-lowtag)))
\f
;;;; value cell hackery
\f
;;;; value cell hackery