CQO

CONVERT LONGMODE x86_64

2 encoding forms.

X86_CQO_X86_LEGACY_ONEBYTE_99_0
(no syntax)
X86_LEGACY 99
XED_CQO_X86_LEGACY_ONEBYTE_99_962559
REG0=XED_REG_RDX:w:SUPP REG1=XED_REG_RAX:r:SUPP
X86_LEGACY 99 LONGMODE