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Fix #948

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This commit is contained in:
gingerBill
2021-05-12 15:00:19 +01:00
parent e08f39ec28
commit d2fcbf0e1d
1 changed files with 7 additions and 27 deletions
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34
src/llvm_backend.cpp
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@@ -10773,42 +10773,22 @@ lbValue lb_emit_comp(lbProcedure *p, TokenKind op_kind, lbValue left, lbValue ri
Type *lt = left.type;
Type *rt = right.type;
// if (is_type_bit_set(lt) && is_type_bit_set(rt)) {
// Type *blt = base_type(lt);
// Type *brt = base_type(rt);
// i64 bits = gb_max(blt->BitSet.bits, brt->BitSet.bits);
// i64 bytes = bits / 8;
// switch (bytes) {
// case 1:
// left = lb_emit_conv(p, left, t_u8);
// right = lb_emit_conv(p, right, t_u8);
// break;
// case 2:
// left = lb_emit_conv(p, left, t_u16);
// right = lb_emit_conv(p, right, t_u16);
// break;
// case 4:
// left = lb_emit_conv(p, left, t_u32);
// right = lb_emit_conv(p, right, t_u32);
// break;
// case 8:
// left = lb_emit_conv(p, left, t_u64);
// right = lb_emit_conv(p, right, t_u64);
// break;
// default: GB_PANIC("Unknown integer size"); break;
// }
// }
lt = left.type;
rt = right.type;
i64 ls = type_size_of(lt);
i64 rs = type_size_of(rt);
// NOTE(bill): Quick heuristic, larger types are usually the target type
if (ls < rs) {
left = lb_emit_conv(p, left, rt);
} else if (ls > rs) {
right = lb_emit_conv(p, right, lt);
} else {
right = lb_emit_conv(p, right, lt);
if (is_type_union(rt)) {
left = lb_emit_conv(p, left, rt);
} else {
right = lb_emit_conv(p, right, lt);
}
}
}