Re: [PATCH 3/7] Move ORIGINAL_REGNO to rtx header

2014-05-12 Thread Jeff Law
On 05/10/14 14:08, Richard Sandiford wrote: ...and reduce the size of REGs by one field. This is still OK for REG->MEM conversion since MEMs only have 2 fields. In some ways it would have been nicer to move REGNO to the header, since we wouldn't then need to fetch the second word of the rtx whe

[PATCH 3/7] Move ORIGINAL_REGNO to rtx header

2014-05-10 Thread Richard Sandiford
...and reduce the size of REGs by one field. This is still OK for REG->MEM conversion since MEMs only have 2 fields. In some ways it would have been nicer to move REGNO to the header, since we wouldn't then need to fetch the second word of the rtx when checking whether something is a REG and then