FSUB

Operation

Subtracts the source operand from the destination operand.

Assembler Syntax

FSUB.{S|D}(z) Fn(s), Fn(d)

FSUB.{S|D}(z) <ea>(e), Fn(d)

Privilege

Unprivileged

Required CPUID flags

FP

Repeat eligibility

REP eligible

Subtracts the selected-format floating-point source from the destination and writes the rounded result.

2.75in

Encodings

FSUB.{S|D}(z) Fn(s), Fn(d)

Format: Instruction format for FSUB.{S|D}(z) Fn(s), Fn(d)

2.75in FSUB.{S|D}(z) <ea>(e), Fn(d)

Format: Instruction format for FSUB.{S|D}(z) <ea>(e), Fn(d)