fsgnjn.q

Floating-Point Sign-Inject Negate Quad-Precision

This instruction is defined by:

Encoding

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Synopsis

The fsgnjn.q instruction produces a result that takes all bits except the sign bit from fs1. The result’s sign bit is opposite of fs2’s sign bit, and the result is written to the destination register `fd. fsgnjn.q does not set floating-point exception flags, nor do they canonicalize _NaN_s.

Access

M HS U VS VU

Always

Always

Always

Always

Always

Decode Variables

Bits<5> fs2 = $encoding[24:20];
Bits<5> fs1 = $encoding[19:15];
Bits<5> fd = $encoding[11:7];

Execution

  • Pruned, XLEN == 64

  • Original