> Hmm. The intent was of course to only allow truly no-op converts via > VIEW_CONVERT_EXPR - that is, the size of the operand type and the > result type should be the same. So, isn't SRA doing it wrong when > creating the VIEW_CONVERT_EXPR of a 3-byte type to a 4-byte type?
That's debatable IMO if the 4-byte type has 3-byte precision, but I don't have a strong opinion so I can try to fix it in SRA, although it will be weird to do low-level fiddling because of precision and size at the Tree level. -- Eric Botcazou
