20.140 SABA (vector)

Signed Absolute difference and Accumulate.

Syntax

SABA Vd.T, Vn.T, Vm.T

Where:

Vd
Is the name of the SIMD and FP destination register.
T
Is an arrangement specifier, and can be one of 8B, 16B, 4H, 8H, 2S or 4S.
Vn
Is the name of the first SIMD and FP source register.
Vm
Is the name of the second SIMD and FP source register.

Usage

Signed Absolute difference and Accumulate. This instruction subtracts the elements of the vector of the second source SIMD and FP register from the corresponding elements of the first source SIMD and FP register, and accumulates the absolute values of the results into the elements of the vector of the destination SIMD and FP register.

Depending on the settings in the CPACR_EL1, CPTR_EL2, and CPTR_EL3 registers, and the current Security state and Exception level, an attempt to execute the instruction might be trapped.

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