unsafe code-transform "mov 0" to "xor"

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#33 unsafe code-transform "mov 0" to "xor"

Status: open

Owner: Shi Xiaohua

Labels: O3 jit (8)

Priority: 5

Updated: 2001-12-13

Created: 2001-11-28

Creator: Shi Xiaohua

Private: No

char *mov(char *inst,const R_Opnd *r,const Imm_Opnd
*imm)
uses a unsafe conde-transform from "mov eax, 0"
to "xor eax, eax", if we need the CF set by the prev-
instruction.

Discussion

Shi Xiaohua - 2001-12-13

summary: unsafe code-transform "mov 0" to "xor" --> unsafe code-transform "mov 0" to "xor"

status: open --> pending
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Shi Xiaohua - 2001-12-13

Logged In: YES
user_id=190089

Fixed

If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

Shi Xiaohua - 2001-12-13

summary: unsafe code-transform "mov 0" to "xor" --> unsafe code-transform "mov 0" to "xor"

status: pending --> open
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

Shi Xiaohua - 2001-12-13

Logged In: YES
user_id=190089

Fixed

If you would like to refer to this comment somewhere else in this project, copy and paste the following link:

unsafe code-transform "mov 0" to "xor"

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#33 unsafe code-transform "mov 0" to "xor"

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unsafe code-transform &quot;mov 0&quot; to &quot;xor&quot;

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#33 unsafe code-transform &quot;mov 0&quot; to &quot;xor&quot;

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unsafe code-transform "mov 0" to "xor"

#33 unsafe code-transform "mov 0" to "xor"