ARM Cortex-M4 - Floating-Point Instructions

The Cortex-M4 Instruction Set
ARM DUI 0553A Copyright © 2010 ARM. All rights reserved. 3-126
ID121610 Non-Confidential
3.11 Floating-point instructions
Table 3-15 shows the floating-point instructions.
Note
These instructions are only available if the FPU is included, and enabled, in the system. See
Enabling the FPU on page 4-52 for information about enabling the floating-point unit.
Table 3-15 Floating-point instructions
Mnemonic Brief description See
VABS Floating-point Absolute VABS on page 3-128
VADD Floating-point Add VADD on page 3-129
VCMP Compare two floating-point registers, or one floating-point
register and zero
VCMP, VCMPE on page 3-130
VCMPE Compare two floating-point registers, or one floating-point
register and zero with Invalid Operation check
VCMP, VCMPE on page 3-130
VCVT Convert between floating-point and integer VCVT, VCVTR between floating-point and integer on
page 3-131
VCVT Convert between floating-point and fixed point VCVT between floating-point and fixed-point on
page 3-132
VCVTR Convert between floating-point and integer with rounding VCVT, VCVTR between floating-point and integer on
page 3-131
VCVTB Converts half-precision value to single-precision VCVTB, VCVTT on page 3-133
VCVTT Converts single-precision register to half-precision VCVTB, VCVTT on page 3-133
VDIV Floating-point Divide VDIV on page 3-134
VFMA Floating-point Fused Multiply Accumulate VFMA, VFMS on page 3-135
VFNMA Floating-point Fused Negate Multiply Accumulate VFNMA, VFNMS on page 3-136
VFMS Floating-point Fused Multiply Subtract VFMA, VFMS on page 3-135
VFNMS Floating-point Fused Negate Multiply Subtract VFNMA, VFNMS on page 3-136
VLDM Load Multiple extension registers VLDM on page 3-137
VLDR Loads an extension register from memory VLDR on page 3-138
VLMA Floating-point Multiply Accumulate VLMA, VLMS on page 3-139
VLMS Floating-point Multiply Subtract VLMA, VLMS on page 3-139
VMOV Floating-point Move Immediate VMOV Immediate on page 3-140
VMOV Floating-point Move Register VMOV Register on page 3-141
VMOV Copy ARM core register to single precision VMOV ARM Core register to single precision on
page 3-143
VMOV Copy 2 ARM core registers to 2 single precision VMOV Two ARM Core registers to two single precision
on page 3-144