Difference between revisions of "Instruction Set/shiftrsf"
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| − | + | Signed fixed point shift right. Current dynamic rounding. | |
| + | When shifting fixed point values to the right the least significant bit can be treated differently according to the same different rounding strategies that apply to floating point values as well. | ||
| + | |||
---- | ---- | ||
<code style="font-size:130%"><b style="color:#050">shiftrsf</b>(<span style="color:#009">[[Domains#sf|sf]]</span> <span title="belt operand from ops window">x</span>, <i><span style="color:#009">[[Immediates#bit|bit]]</span> <span title="bit number">bits</span></i>) → [[Domains#sf|sf]] r<sub>0</sub></code> | <code style="font-size:130%"><b style="color:#050">shiftrsf</b>(<span style="color:#009">[[Domains#sf|sf]]</span> <span title="belt operand from ops window">x</span>, <i><span style="color:#009">[[Immediates#bit|bit]]</span> <span title="bit number">bits</span></i>) → [[Domains#sf|sf]] r<sub>0</sub></code> | ||
Revision as of 10:35, 11 January 2015
realizing exu stream exu block compute phase operation in the signed fixed point value domain that produces condition codes and rounds use current dynamic rounding mode
native on: all
Signed fixed point shift right. Current dynamic rounding. When shifting fixed point values to the right the least significant bit can be treated differently according to the same different rounding strategies that apply to floating point values as well.
shiftrsf(sf x, bit bits) → sf r0
operands: like Shift [xi:x]
| Core | In Slots | Latencies |
|---|---|---|
| Tin | E0 | b,b:b=1 b,h:b=1 b,w:b=1 b,d:b=1 b,q:b=1 bv,bv:bv=1 h,b:h=1 h,h:h=1 h,w:h=1 h,d:h=1 h,q:h=1 hv,hv:hv=1 w,b:w=1 w,h:w=1 w,w:w=1 w,d:w=1 w,q:w=1 wv,wv:wv=1 d,b:d=2 d,h:d=2 d,w:d=2 d,d:d=2 d,q:d=2 dv,dv:dv=2 q,b:q=2 q,h:q=2 q,w:q=2 q,d:q=2 q,q:q=2 qv,qv:qv=2 |
| Copper | E0 | b,b:b=1 b,h:b=1 b,w:b=1 b,d:b=1 b,q:b=1 bv,bv:bv=1 h,b:h=1 h,h:h=1 h,w:h=1 h,d:h=1 h,q:h=1 hv,hv:hv=1 w,b:w=1 w,h:w=1 w,w:w=1 w,d:w=1 w,q:w=1 wv,wv:wv=1 d,b:d=2 d,h:d=2 d,w:d=2 d,d:d=2 d,q:d=2 dv,dv:dv=2 q,b:q=2 q,h:q=2 q,w:q=2 q,d:q=2 q,q:q=2 qv,qv:qv=2 |
| Silver | E0 E1 | b,b:b=1 b,h:b=1 b,w:b=1 b,d:b=1 b,q:b=1 bv,bv:bv=1 h,b:h=1 h,h:h=1 h,w:h=1 h,d:h=1 h,q:h=1 hv,hv:hv=1 w,b:w=1 w,h:w=1 w,w:w=1 w,d:w=1 w,q:w=1 wv,wv:wv=1 d,b:d=2 d,h:d=2 d,w:d=2 d,d:d=2 d,q:d=2 dv,dv:dv=2 q,b:q=2 q,h:q=2 q,w:q=2 q,d:q=2 q,q:q=2 qv,qv:qv=2 |
| Gold | E0 E1 | b,b:b=1 b,h:b=1 b,w:b=1 b,d:b=1 b,q:b=1 bv,bv:bv=1 h,b:h=1 h,h:h=1 h,w:h=1 h,d:h=1 h,q:h=1 hv,hv:hv=1 w,b:w=1 w,h:w=1 w,w:w=1 w,d:w=1 w,q:w=1 wv,wv:wv=1 d,b:d=2 d,h:d=2 d,w:d=2 d,d:d=2 d,q:d=2 dv,dv:dv=2 q,b:q=2 q,h:q=2 q,w:q=2 q,d:q=2 q,q:q=2 qv,qv:qv=2 |
| Decimal8 | E0 E1 | b,b:b=1 b,h:b=1 b,w:b=1 b,d:b=1 b,q:b=1 bv,bv:bv=1 h,b:h=1 h,h:h=1 h,w:h=1 h,d:h=1 h,q:h=1 hv,hv:hv=1 w,b:w=1 w,h:w=1 w,w:w=1 w,d:w=1 w,q:w=1 wv,wv:wv=1 d,b:d=2 d,h:d=2 d,w:d=2 d,d:d=2 d,q:d=2 dv,dv:dv=2 q,b:q=2 q,h:q=2 q,w:q=2 q,d:q=2 q,q:q=2 qv,qv:qv=2 |
| Decimal16 | E0 E1 | b,b:b=1 b,h:b=1 b,w:b=1 b,d:b=1 b,q:b=1 bv,bv:bv=1 h,b:h=1 h,h:h=1 h,w:h=1 h,d:h=1 h,q:h=1 hv,hv:hv=1 w,b:w=1 w,h:w=1 w,w:w=1 w,d:w=1 w,q:w=1 wv,wv:wv=1 d,b:d=2 d,h:d=2 d,w:d=2 d,d:d=2 d,q:d=2 dv,dv:dv=2 q,b:q=2 q,h:q=2 q,w:q=2 q,d:q=2 q,q:q=2 qv,qv:qv=2 |
Instruction Set, alphabetical, Instruction Set by Category, Instruction Set, sortable, filterable
