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[Bug binutils/20710] [libopcodes][x86] libopcodes produces "(bad)" decod
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From: |
hjl.tools at gmail dot com |
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Subject: |
[Bug binutils/20710] [libopcodes][x86] libopcodes produces "(bad)" decode for certain sal instructions |
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Date: |
Tue, 18 Oct 2016 15:54:31 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=20710
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |hjl.tools at gmail dot com
Resolution|--- |INVALID
Target Milestone|--- |2.26
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
The MODRM byte, 0xf0, is mod == 3, reg == 6, rm == 0.
reg == 6 is undefined. sal should be reg == 4.
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