emms

Empty MMX Technology State

EMMS

Clears the FPU tag word to allow FP instructions after MMX.

Details

The Empty MMX Technology State instruction clears the FPU tag word to allow FP instructions after MMX.

Pseudocode Operation

// Clears the FPU tag word to allow FP instructions after MMX

Example

EMMS

Encoding

Binary Layout
0F
+0
77
+1
 
Format MMX
Opcode 0F 77
Extension MMX

Operands