git: 9front

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ref: b56415003ebff96da9228e9df82e66bc15492ad4
parent: 832257141e94b14dddb28007ea8999131bc06305
author: aiju <aiju@phicode.de>
date: Fri Aug 24 15:19:42 EDT 2012

fix CUT macro in cpuid

--- a/sys/src/cmd/aux/cpuid.c
+++ b/sys/src/cmd/aux/cpuid.c
@@ -2,7 +2,7 @@
 #include <libc.h>
 #include <bio.h>
 
-#define CUT(x, a, b) (((x)&((1<<(b))-1))>>(a))
+#define CUT(x, a, b) (((x)&((1<<((b)+1))-1))>>(a))
 
 typedef struct Res {
 	ulong ax, bx, cx, dx;
--