slli.uw
Shift left unsigned word (Immediate)
This instruction is defined by:
Synopsis
This instruction takes the least-significant word of rs1, zero-extends it, and shifts it left by the immediate.
This instruction is the same as slli with zext.w performed on rs1 before shifting.
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Decode Variables
Bits<6> shamt = $encoding[25:20];
Bits<5> rs1 = $encoding[19:15];
Bits<5> rd = $encoding[11:7];Execution
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Pruned, XLEN == 64
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Original
if ((%%LINK%csr_field;misa.B;CSR[misa].B%% == 1'b0)) {
%%LINK%func;raise;raise%%(ExceptionCode::IllegalInstruction, %%LINK%func;mode;mode%%(), $encoding);
}
X[rd] = X[rs1][31:0] << shamt;if (%%LINK%func;implemented?;implemented?%%(ExtensionName::B) && (%%LINK%csr_field;misa.B;CSR[misa].B%% == 1'b0)) {
%%LINK%func;raise;raise%%(ExceptionCode::IllegalInstruction, %%LINK%func;mode;mode%%(), $encoding);
}
X[rd] = X[rs1][31:0] << shamt;