https://sourceware.org/bugzilla/show_bug.cgi?id=20705
Bug ID: 20705
Summary: [libopcodes][x86] VEX masking register name lacks
formatting, cannot assemble
Product: binutils
Version: 2.26
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: nholcomb at wisc dot edu
Target Milestone: ---
The following instruction produced by objdump cannot be assembled with gas due
to an error.
Bytes: c5 ac 46 f5
Instruction: kxnorw %k5, k2, %k6
ERROR: operand size mismatch for `kxnorw'
By changing the second operand to "%k2" instead of "k2", the output could be
reassembled. I'm not sure if this should be reported to gas as well to allow
the "k2" syntax in addition to "%k2", but I think objdump should be producing
valid assembly regardless.
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