c.zext.w

Zero-extend word, 16-bit encoding

This instruction is defined by:

Encoding

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Synopsis

Takes a single source/destination operand. It zero-extends the least-significant word of the operand to XLEN bits by inserting zeros into all of the bits more significant than 31.

Access

M HS U VS VU

Always

Always

Always

Always

Always

Decode Variables

Bits<3> xd = $encoding[9:7];

Execution

  • Pruned, XLEN == 64

  • Original

X[creg2reg(xd)] = X[creg2reg(xd)][31:0];
if (implemented?(ExtensionName::C) && MISA_CSR_IMPLEMENTED && (CSR[misa].C == 1'b0)) {
  reserved_instruction($encoding);
}
X[creg2reg(xd)] = X[creg2reg(xd)][31:0];