# STMXCSR
# Store MXCSR Register State
| Opcode | Mnemonic | Description |
|---|---|---|
| 0F AE /3 | STMXCSR m32 | Store contents of MXCSR register to m32. |
# Description
Stores the contents of the MXCSR control and status register to the destination operand. The destination operand is a 32-bit memory location. The reserved bits in the MXCSR register are stored as 0s.
# Operation
m32 = MXCSR;
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