fist

Store Integer

FIST m16int/m32int

Converts ST(0) to integer and stores in memory.

Details

The Store Integer instruction converts ST(0) to integer and stores in memory.

Pseudocode Operation

// Converts ST(0) to integer and stores in memory

Example

FIST m16int/m32int

Encoding

Binary Layout
DF
+0
ModRM
+1
 
Format Legacy
Opcode DF /2
Extension x87 FPU

Operands

  • dest
    Integer Memory