[Orp-bugs] [ orp-Bugs-486385 ] unsafe code-transform "mov 0" to "xor"

[<no...@so...>]

Bugs item #486385, was opened at 2001-11-27 23:51
You can respond by visiting: 
http://sourceforge.net/tracker/?func=detail&atid=384545&aid=486385&group_id=25513

Category: O3 jit
Group: None
>Status: Pending
Resolution: None
Priority: 5
Submitted By: Shi Xiaohua (xshi2)
Assigned to: Shi Xiaohua (xshi2)
>Summary: unsafe code-transform "mov 0" to "xor"

Initial Comment:
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.

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>Comment By: Shi Xiaohua (xshi2)
Date: 2001-12-13 00:14

Message:
Logged In: YES 
user_id=190089

Fixed

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You can respond by visiting: 
http://sourceforge.net/tracker/?func=detail&atid=384545&aid=486385&group_id=25513