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x86: fix compile error in current tip.git

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Gas 2.15 complains about 32-bit registers being used in lea.

  AS      arch/x86/lib/copy_user_64.o
/local/scratch-2/jeremy/hg/xen/paravirt/linux/arch/x86/lib/copy_user_64.S: Assembler messages:
/local/scratch-2/jeremy/hg/xen/paravirt/linux/arch/x86/lib/copy_user_64.S:188: Error: `(%edx,%ecx,8)' is not a valid 64 bit base/index expression
/local/scratch-2/jeremy/hg/xen/paravirt/linux/arch/x86/lib/copy_user_64.S:257: Error: `(%edx,%ecx,8)' is not a valid 64 bit base/index expression
  AS      arch/x86/lib/copy_user_nocache_64.o
/local/scratch-2/jeremy/hg/xen/paravirt/linux/arch/x86/lib/copy_user_nocache_64.S: Assembler messages:
/local/scratch-2/jeremy/hg/xen/paravirt/linux/arch/x86/lib/copy_user_nocache_64.S:107: Error: `(%edx,%ecx,8)' is not a valid 64 bit base/index expression

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Vitaly Mayatskikh <v.mayatskih@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jeremy Fitzhardinge 2008-07-10 12:52:52 -07:00 committed by Ingo Molnar
parent e54afe3863
commit 27cb0a75ba
2 changed files with 3 additions and 3 deletions
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4
arch/x86/lib/copy_user_64.S
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@ -185,7 +185,7 @@ ENTRY(copy_user_generic_unrolled)
30: shll $6,%ecx 30: shll $6,%ecx
addl %ecx,%edx addl %ecx,%edx
jmp 60f jmp 60f
40: leal (%edx,%ecx,8),%edx 40: lea (%rdx,%rcx,8),%rdx
jmp 60f jmp 60f
50: movl %ecx,%edx 50: movl %ecx,%edx
60: jmp copy_user_handle_tail /* ecx is zerorest also */ 60: jmp copy_user_handle_tail /* ecx is zerorest also */
@ -254,7 +254,7 @@ ENTRY(copy_user_generic_string)
ret ret
.section .fixup,"ax" .section .fixup,"ax"
11: leal (%edx,%ecx,8),%ecx 11: lea (%rdx,%rcx,8),%rcx
12: movl %ecx,%edx /* ecx is zerorest also */ 12: movl %ecx,%edx /* ecx is zerorest also */
jmp copy_user_handle_tail jmp copy_user_handle_tail
.previous .previous

2
arch/x86/lib/copy_user_nocache_64.S
View File

@ -104,7 +104,7 @@ ENTRY(__copy_user_nocache)
30: shll $6,%ecx 30: shll $6,%ecx
addl %ecx,%edx addl %ecx,%edx
jmp 60f jmp 60f
40: leal (%edx,%ecx,8),%edx 40: lea (%rdx,%rcx,8),%rdx
jmp 60f jmp 60f
50: movl %ecx,%edx 50: movl %ecx,%edx
60: sfence 60: sfence