3-647
INSTRUCTION SET REFERENCE
SHUFPS—Shuffle Single-FP (Continued)
Figure 3-90. Operation of the SHUFPS Instruction
Operation
FP_SELECT = (imm8 >> 0) AND 0X3;
IF (FP_SELECT = 0) THEN
DEST[31-0] = DEST[31-0];
ELSE
IF (FP_SELECT = 1) THEN
DEST[31-0] = DEST[63-32];
ELSE
IF (FP_SELECT = 2) THEN
DEST[31-0] = DEST[95-64];
ELSE
DEST[31-0] = DEST[127-96];
FI
FI
FI
Xmm1
Xmm2/
m128
Xmm1
