sraiw

Shift right arithmetic immediate word

This instruction is defined by:

Encoding

Synopsis

Arithmetic shift (the original sign bit is copied into the vacated upper bits) the 32-bit value in xs1 right by shamt, and store the sign-extended result in xd.

Access

Always

Decode Variables

Bits<5> shamt = $encoding[24:20];
Bits<5> xs1 = $encoding[19:15];
Bits<5> xd = $encoding[11:7];

Execution

Pruned, XLEN == 64
Original

XReg operand = %%LINK%func;sext;sext%%(X[xs1], 31);
X[xd] = %%LINK%func;sext;sext%%(operand >>> shamt, 31);

XReg operand = %%LINK%func;sext;sext%%(X[xs1], 31);
X[xd] = %%LINK%func;sext;sext%%(operand >>> shamt, 31);