fmadn

speculable  exu stream  exu block  compute phase   operation   in the decimal floating point value domain   and rounds toward negative infinity

native on: none

Decimal floating point fused multiply-add. As usual for those, it yields a higher precision than doing it separately, and is faster too. Rounds towards negative infinity.

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fmadn(d x, d y, d z) → d r0

operands: like Addd [dd:d]

Returns x*y+z on the belt.

Instruction Set, alphabetical, Instruction Set by Category, Instruction Set, sortable, filterable