This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.
| Index Nav: | [Date Index] [Subject Index] [Author Index] [Thread Index] | |
|---|---|---|
| Message Nav: | [Date Prev] [Date Next] | [Thread Prev] [Thread Next] |
| Other format: | [Raw text] | |
On 06/16/2011 11:09 AM, Denis Chertykov wrote: > Only one question why you removed avr_legitimize_address ? It doesn't actually do anything useful. All it does is, for a subset of inputs, force the address into a register. This is the same as the fallback action. That is, any non-legitimate address is forced into a register. A more useful version of legitimize_address would be to split a large offset into two pieces, the large one to be CSE'd and the small one that fits into a memory offset. E.g. the following with which I was experimenting. r~
Attachment:
commit-avr-split-address
Description: Text document
| Index Nav: | [Date Index] [Subject Index] [Author Index] [Thread Index] | |
|---|---|---|
| Message Nav: | [Date Prev] [Date Next] | [Thread Prev] [Thread Next] |