3-511
INSTRUCTION SET REFERENCE
PMAXUB—Packed Unsigned Integer Byte Maximum
Description
The PMAXUB instruction returns the maximum between the eight unsigned words in MM1 and
MM2/Mem.
Figure 3-67. Operation of the PMAXUB Instruction
OpcodeInstruction
Description
0F,DE, /rPMAXUB mm1, mm2/m64Return the maximum bytes between MM2/Mem and
MM1.
59
PMAXUB mm1, mm2/m64
40
46
871875522127
24
11
65
1017820711136
59
40
65
10118720722136
=
=
=
=
=
=
=
=
mm1
mm1
mm2/
m64
