FFLOOR

Operation

Rounds a floating-point source toward negative infinity in the selected format.

Assembler Syntax

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

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

FFLOOR.{S|D}(z) Fn(s), <ea>(e)

Privilege

Unprivileged

Required CPUID flags

FP

Repeat eligibility

REP eligible

Rounds the selected floating-point source toward negative infinity to an integral floating-point value.

2.75in

Encodings

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

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

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

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

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

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

dst — excluded: immediate [invalid_destination]