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Add intrinsics.count_trailing_ones and intrinsics.count_leading_ones

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gingerBill
2026-02-02 14:28:16 +00:00
parent 80c9482774
commit bb7496a2fc
5 changed files with 47 additions and 0 deletions
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12
src/llvm_backend_utility.cpp
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@@ -648,6 +648,18 @@ gb_internal lbValue lb_emit_count_leading_zeros(lbProcedure *p, lbValue x, Type
return res;
}
gb_internal lbValue lb_emit_unary_arith(lbProcedure *p, TokenKind op, lbValue x, Type *type);
gb_internal lbValue lb_emit_count_trailing_ones(lbProcedure *p, lbValue x, Type *type) {
lbValue z = lb_emit_unary_arith(p, Token_Xor, x, type);
return lb_emit_count_trailing_zeros(p, z, type);
}
gb_internal lbValue lb_emit_count_leading_ones(lbProcedure *p, lbValue x, Type *type) {
lbValue z = lb_emit_unary_arith(p, Token_Xor, x, type);
return lb_emit_count_leading_zeros(p, z, type);
}
gb_internal lbValue lb_emit_reverse_bits(lbProcedure *p, lbValue x, Type *type) {