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Don't scrub the C stack from C.
[sbcl.git]
/
src
/
compiler
/
x86
/
insts.lisp
diff --git
a/src/compiler/x86/insts.lisp
b/src/compiler/x86/insts.lisp
index
6850859
..
720ad62
100644
(file)
--- a/
src/compiler/x86/insts.lisp
+++ b/
src/compiler/x86/insts.lisp
@@
-1285,6
+1285,11
@@
(emit-byte segment (if (eq size :byte) #b10110000 #b10110001))
(emit-ea segment dst (reg-tn-encoding src)))))
(emit-byte segment (if (eq size :byte) #b10110000 #b10110001))
(emit-ea segment dst (reg-tn-encoding src)))))
+(define-instruction pause (segment)
+ (:printer two-bytes ((op '(#xf3 #x90))))
+ (:emitter
+ (emit-byte segment #xf3)
+ (emit-byte segment #x90)))
\f
(defun emit-prefix (segment name)
(ecase name
\f
(defun emit-prefix (segment name)
(ecase name