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0.8.19.32:
[sbcl.git]
/
src
/
compiler
/
x86
/
array.lisp
diff --git
a/src/compiler/x86/array.lisp
b/src/compiler/x86/array.lisp
index
a0983c2
..
493cd7d
100644
(file)
--- a/
src/compiler/x86/array.lisp
+++ b/
src/compiler/x86/array.lisp
@@
-260,7
+260,8
@@
(mask ,(1- (ash 1 bits)))
(shift (* extra ,bits)))
(unless (= value mask)
(mask ,(1- (ash 1 bits)))
(shift (* extra ,bits)))
(unless (= value mask)
- (inst and old (lognot (ash mask shift))))
+ (inst and old (ldb (byte n-word-bits 0)
+ (lognot (ash mask shift)))))
(unless (zerop value)
(inst or old (ash value shift)))))
(unsigned-reg
(unless (zerop value)
(inst or old (ash value shift)))))
(unsigned-reg