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20.138 SABAL, SABAL2 (vector)
Signed absolute difference and accumulate long.
Syntax
SABAL{2}
Vd
.Ta
, Vn
.Tb
, Vm
.Tb
Where:
2
-
Is the second and upper half specifier. If present it causes the operation to be performed on the upper 64 bits of the registers holding the narrower elements. See
Q
in the Usage table. Vd
-
Is the name of the SIMD and FP destination register.
Ta
-
Is an arrangement specifier, and can be one of the values shown in Usage.
Vn
-
Is the name of the first SIMD and FP source register.
Tb
-
Is an arrangement specifier, and can be one of the values shown in Usage.
Vm
-
Is the name of the second SIMD and FP source register.
Usage
The following table shows the valid specifier combinations:
Table 20-35 SABAL, SABAL2 (Vector) specifier combinations
Q | Ta | Tb |
---|---|---|
- | 8H | 8B |
2 | 8H | 16B |
- | 4S | 4H |
2 | 4S | 8H |
- | 2D | 2S |
2 | 2D | 4S |