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: H. Peter Anvin <hpa@zytor.com>
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@ -41,7 +41,7 @@ ENTRY(__get_user_1)
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cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
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jae bad_get_user
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ASM_STAC
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1: movzb (%_ASM_AX),%edx
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1: movzbl (%_ASM_AX),%edx
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xor %eax,%eax
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ASM_CLAC
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ret
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@ -71,7 +71,7 @@ ENTRY(__get_user_4)
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cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
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jae bad_get_user
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ASM_STAC
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3: mov -3(%_ASM_AX),%edx
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3: movl -3(%_ASM_AX),%edx
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xor %eax,%eax
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ASM_CLAC
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ret
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@ -87,7 +87,7 @@ ENTRY(__get_user_8)
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cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
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jae bad_get_user
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ASM_STAC
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4: movq -7(%_ASM_AX),%_ASM_DX
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4: movq -7(%_ASM_AX),%rdx
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xor %eax,%eax
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ASM_CLAC
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ret
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@ -98,8 +98,8 @@ ENTRY(__get_user_8)
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cmp TI_addr_limit(%_ASM_DX),%_ASM_AX
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jae bad_get_user_8
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ASM_STAC
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4: mov -7(%_ASM_AX),%edx
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5: mov -3(%_ASM_AX),%ecx
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4: movl -7(%_ASM_AX),%edx
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5: movl -3(%_ASM_AX),%ecx
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xor %eax,%eax
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ASM_CLAC
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ret
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