Technical: Hardware: G4
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Vector Sum Across 1/2 Signed Integer

vec_sum2s(arg1, arg2)

The first and third words of the result are zero. The second word is the 32-bit saturated sum of the first and second words of arg1 plus the second word of arg2. The fourth word is the 32-bit saturated sum of the third and fourth words of arg1 plus the fourth word of arg2.

Result

arg1 and arg2

Maps To

vector signed long

vector signed long

vsum2sws
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