fcmp

Floating-point Compare (Single)

FCMP <Sn>, <Sm>

Compares two single-precision registers and updates NZCV flags.

Details

The Floating-point Compare instruction compares two single-precision registers and updates NZCV flags.

Pseudocode Operation

// Compares two single-precision registers and updates NZCV flags

Example

FCMP s1, s2

Encoding

Binary Layout
00011110
001
Rm
001000
Rn
00000
 
Format Float Compare
Opcode 0x1E202000
Extension F.P.

Operands

  • Sn
    First source 32-bit floating-point register
  • Sm
    Second source 32-bit floating-point register