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fix Darwin/PPC build
[sbcl.git]
/
src
/
compiler
/
x86
/
system.lisp
diff --git
a/src/compiler/x86/system.lisp
b/src/compiler/x86/system.lisp
index
77981e8
..
2128d2b
100644
(file)
--- a/
src/compiler/x86/system.lisp
+++ b/
src/compiler/x86/system.lisp
@@
-372,18
+372,22
@@
number of CPU cycles elapsed as secondary value. EXPERIMENTAL."
(define-vop (%read-barrier)
(:policy :fast-safe)
(:translate %read-barrier)
(define-vop (%read-barrier)
(:policy :fast-safe)
(:translate %read-barrier)
- (:generator 3
- (inst add (make-ea :dword :base esp-tn) 0 :lock)))
+ (:generator 3))
#!+memory-barrier-vops
(define-vop (%write-barrier)
(:policy :fast-safe)
(:translate %write-barrier)
#!+memory-barrier-vops
(define-vop (%write-barrier)
(:policy :fast-safe)
(:translate %write-barrier)
- (:generator 3
- (inst add (make-ea :dword :base esp-tn) 0 :lock)))
+ (:generator 3))
#!+memory-barrier-vops
(define-vop (%data-dependency-barrier)
(:policy :fast-safe)
(:translate %data-dependency-barrier)
(:generator 3))
#!+memory-barrier-vops
(define-vop (%data-dependency-barrier)
(:policy :fast-safe)
(:translate %data-dependency-barrier)
(:generator 3))
+
+(define-vop (pause)
+ (:translate spin-loop-hint)
+ (:policy :fast-safe)
+ (:generator 0
+ (inst pause)))