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fix(rvb): restore the decode table of zext.h #612

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Oct 29, 2024
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fix(rvb): restore the decode table of zext.h #612

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8 changes: 5 additions & 3 deletions src/isa/riscv64/instr/rvi/decode.h
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Original file line number Diff line number Diff line change
Expand Up @@ -263,16 +263,18 @@ def_THelper(op32) {
def_INSTR_TAB("0000000 ????? ????? 001 ????? ????? ??", sllw);
def_INSTR_TAB("0000000 ????? ????? 101 ????? ????? ??", srlw);
def_INSTR_TAB("0100000 ????? ????? 101 ????? ????? ??", sraw);
#ifdef CONFIG_RVB
#ifdef CONFIG_RVB
def_INSTR_TAB("0000100 ????? ????? 000 ????? ????? ??", adduw);
// def_INSTR_TAB("0000100 ????? ????? 100 ????? ????? ??", zext_h);
def_INSTR_TAB("0010000 ????? ????? 010 ????? ????? ??", sh1adduw);
def_INSTR_TAB("0010000 ????? ????? 100 ????? ????? ??", sh2adduw);
def_INSTR_TAB("0010000 ????? ????? 110 ????? ????? ??", sh3adduw);
def_INSTR_TAB("0110000 ????? ????? 001 ????? ????? ??", rolw);
def_INSTR_TAB("0110000 ????? ????? 101 ????? ????? ??", rorw);
def_INSTR_TAB("0000100 ????? ????? 100 ????? ????? ??", packw);
#endif
// Put here to avoid compiler unused warnings. Should never reach here.
// TODO: enable this if Zbb exists but Zbk* does not exist.
def_INSTR_TAB("0000100 00000 ????? 100 ????? ????? ??", zext_h);
#endif
return EXEC_ID_inv;
}

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