47
edits
Changes
basic math
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ps_rsqrte frD, frB
ps_rsqrte frD, frB
This instruction gets an estimate of the reciprocals of the square roots of both paired-singles in '''frB''' accurate to a precision of 1/4096, and stores them in the paired-singles in '''frD'''.
This instruction gets an estimate of the reciprocals of the square roots of both paired-singles in '''frB''' accurate to a precision of 1/4096, and stores them in the paired-singles in '''frD'''.
+
+== Basic Math ==
+Simple everyday math.
+=== ps_add ===
+ ps_add frD, frA, frB
+This instruction adds the paired-singles in '''frA''' to the ones in '''frB''', then stores the results in the paired-singles in '''frD'''.
+=== ps_div ===
+ ps_div frD, frA, frB
+This instruction divides the paired-singles in '''frA''' by the ones in '''frB''', then stores the results in the paired-singles in '''frD'''.
+=== ps_mul ===
+ ps_mul frD, frA, frC
+This instruction multiplies the paired-singles in '''frA''' by the ones in '''frC''', then stores the results in the paired-singles in '''frD'''.
+=== ps_sub ===
+ ps_sub frD, frA, frB
+This instruction subtracts the paired-singles in '''frB''' from the ones in '''frA''', then stores the results in the paired-singles in '''frD'''.