Author: dim
Date: Tue Jan 11 19:17:13 2011
New Revision: 217277
URL: http://svn.freebsd.org/changeset/base/217277
Log:
MFC r215801:
Change ambiguous (or invalid, depending on how strict you want to be :)
assembly instruction "movw %rcx,2(%rax)" to "movw %cx,2(%rax)", since
the intent was to move 16 bits of data, in this case.
Found by: clang
Reviewed by: kib
Modified:
stable/8/sys/amd64/amd64/cpu_switch.S
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
Modified: stable/8/sys/amd64/amd64/cpu_switch.S
==============================================================================
--- stable/8/sys/amd64/amd64/cpu_switch.S Tue Jan 11 19:13:29 2011
(r217276)
+++ stable/8/sys/amd64/amd64/cpu_switch.S Tue Jan 11 19:17:13 2011
(r217277)
@@ -276,7 +276,7 @@ load_dr:
do_tss: movq %rdx,PCPU(TSSP)
movq %rdx,%rcx
movq PCPU(TSS),%rax
- movw %rcx,2(%rax)
+ movw %cx,2(%rax)
shrq $16,%rcx
movb %cl,4(%rax)
shrq $8,%rcx
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