3-105
INSTRUCTION SET REFERENCE
COMISS—Scalar Ordered Single-FP Compare And Set EFLAGS
(Continued)
Figure 3-24. Operation of the COMISS Instruction, Condition Two
EFLAGS: OF,SF,AF=000
EFLAGS: ZF,PF,CF=000
MXCSR flags: Invalid flag is set
Figure 3-25. Operation of the COMISS Instruction, Condition Three
EFLAGS: OF,SF,AF=000
EFLAGS: ZF,PF,CF=001
MXCSR flags: Invalid flag is set
Xmm1
Xmm2/
m32
COMISS xmm1, xmm2/m32
6.0
9.0
9.0
=
=
=
=
Xmm1
=
=
=
=
Xmm1
Xmm2/
m32
Xmm1
COMISS xmm1, xmm2/m32
