提交 16640165 编写于 作者: H H. Peter Anvin

x86: Be consistent with data size in getuser.S

Consistently use the data register by name and use a sized assembly
instruction in getuser.S.  There is never any reason to macroize it,
and being inconsistent in the same file is just annoying.

No actual code change.
Signed-off-by: NH. Peter Anvin <hpa@zytor.com>
上级 b390784d
......@@ -41,7 +41,7 @@ ENTRY(__get_user_1)
cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
jae bad_get_user
ASM_STAC
1: movzb (%_ASM_AX),%edx
1: movzbl (%_ASM_AX),%edx
xor %eax,%eax
ASM_CLAC
ret
......@@ -71,7 +71,7 @@ ENTRY(__get_user_4)
cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
jae bad_get_user
ASM_STAC
3: mov -3(%_ASM_AX),%edx
3: movl -3(%_ASM_AX),%edx
xor %eax,%eax
ASM_CLAC
ret
......@@ -87,7 +87,7 @@ ENTRY(__get_user_8)
cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
jae bad_get_user
ASM_STAC
4: movq -7(%_ASM_AX),%_ASM_DX
4: movq -7(%_ASM_AX),%rdx
xor %eax,%eax
ASM_CLAC
ret
......@@ -98,8 +98,8 @@ ENTRY(__get_user_8)
cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
jae bad_get_user_8
ASM_STAC
4: mov -7(%_ASM_AX),%edx
5: mov -3(%_ASM_AX),%ecx
4: movl -7(%_ASM_AX),%edx
5: movl -3(%_ASM_AX),%ecx
xor %eax,%eax
ASM_CLAC
ret
......
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