fincstp

Increment Stack-Top Pointer

FINCSTP

Increments the TOP field in the FPU status word.

Details

The Increment Stack-Top Pointer instruction increments the TOP field in the FPU status word.

Pseudocode Operation

// Increments the TOP field in the FPU status word

Example

FINCSTP

Encoding

Binary Layout
D9
+0
F7
+1
 
Format Legacy
Opcode D9 F7
Extension x87 FPU

Operands