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15 lines
381 B
15 lines
381 B
require_rv64;
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sreg_t sshamt = P_FIELD(RS2, 0, 8);
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P_RD_RS1_LOOP(32, 32, {
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if (p_rs1 == 0)
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p_rd = 0;
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else if (sshamt >= 32) {
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p_rd = (p_rs1 & 0x80000000) ? INT32_MIN : INT32_MAX;
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P.set_vxsat();
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}
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else if (sshamt <= -32)
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p_rd = 0;
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else
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p_rd = sshamt >= 0 ? P_SAT(32, sext32(p_rs1) << sshamt) : ((p_rs1 >> -sshamt) + ((p_rs1 >> (-sshamt - 1)) & 1));
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}
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)
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