blob: 2140f918d0a5cac7bafb16385f438b1970caaf00 (
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// RV32Zbb contains zext.h but not general pack
require(((xlen == 32) && (insn.rs2() == 0) && p->extension_enabled(EXT_ZBB))
|| p->extension_enabled(EXT_ZPN)
|| p->extension_enabled(EXT_ZBKB)
|| p->extension_enabled(EXT_XZBP)
|| p->extension_enabled(EXT_XZBE)
|| p->extension_enabled(EXT_XZBF)
|| ((xlen == 64) && p->extension_enabled(EXT_XZBM)));
reg_t lo = zext_xlen(RS1 << (xlen/2)) >> (xlen/2);
reg_t hi = zext_xlen(RS2 << (xlen/2));
WRITE_RD(sext_xlen(lo | hi));
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