srliw

Shift right logical immediate word

This instruction is defined by:

Encoding

svg

Synopsis

Shift the 32-bit value in xs1 right by shamt, and store the sign-extended result in xd

Access

M

HS

U

VS

VU

Always

Always

Always

Always

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 = X[xs1][31:0];
X[xd] = %%LINK%func;sext;sext%%(operand >> shamt, 31);
XReg operand = X[xs1][31:0];
X[xd] = %%LINK%func;sext;sext%%(operand >> shamt, 31);