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INSTRUCTION SET REFERENCE
MOVMSKPS—Move Mask To Integer
Description
The MOVMSKPS instruction returns to the integer register r32 a 4-bit mask formed of the most
significant bits of each SP FP number of its operand.
Figure 3-46. Operation of the MOVMSKPS Instruction
Operation
r32[0]= SRC[31];
r32[1]= SRC[63];
r32[2]= SRC[95];
r32[3]= SRC[127];
r32[7-4]= 0X0;
r32[15-8]= 0X00;
r32[31-16]= 0X0000;
Opcode
Instruction
Description
0F,50,/r
MOVMSKPS r32, xmm
Move the single mask to r32.
Xmm1
MOVMSKPS r32, xmm1
R32
R32
