Difference between revisions of "Instruction Set/subd"
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− | subtraction | + | Decimal floating point subtraction in current rounding mode. |
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<code style="font-size:130%"><b style="color:#050">subd</b>(<span style="color:#009">[[Domains#d|d]]</span> <span title="belt operand from ops window">x</span>, <span style="color:#009">[[Domains#d|d]]</span> <span title="belt operand from ops window">y</span>) → [[Domains#d|d]] r<sub>0</sub></code> | <code style="font-size:130%"><b style="color:#050">subd</b>(<span style="color:#009">[[Domains#d|d]]</span> <span title="belt operand from ops window">x</span>, <span style="color:#009">[[Domains#d|d]]</span> <span title="belt operand from ops window">y</span>) → [[Domains#d|d]] r<sub>0</sub></code> |
Revision as of 10:18, 12 November 2014
realizing exu stream exu block compute phase operation in the decimal floating point value domain that produces condition codes
Decimal floating point subtraction in current rounding mode.
operands: like Addd [dd:d]
Core | In Slots | Latencies |
---|---|---|
Decimal8 | E0 E1 | d,d:d=4 dv,dv:dv=4 q,q:q=5 qv,qv:qv=5 |
Decimal16 | E0 E1 | d,d:d=4 dv,dv:dv=4 q,q:q=5 qv,qv:qv=5 |