On 11/06/2017 07:53 AM, Richard Sandiford wrote:
>>> 2017-09-18 Richard Sandiford
>>> Alan Hayward
>>> David Sherwood
>>>
>>> gcc/
>>> * doc/rtl.texi: Rewrite the subreg rules so that they partition
>>> the inner register into REGMODE_NATURAL_SIZE bytes rather than
>>
Jeff Law writes:
> On 09/18/2017 05:26 AM, Richard Sandiford wrote:
>> Originally subregs operated at the word level and subreg offsets
>> were measured in words. The offset units were later changed from
>> words to bytes (SUBREG_WORD became SUBREG_BYTE), but the fundamental
>> assumption that su
On 09/18/2017 05:26 AM, Richard Sandiford wrote:
> Originally subregs operated at the word level and subreg offsets
> were measured in words. The offset units were later changed from
> words to bytes (SUBREG_WORD became SUBREG_BYTE), but the fundamental
> assumption that subregs should operate at
Originally subregs operated at the word level and subreg offsets
were measured in words. The offset units were later changed from
words to bytes (SUBREG_WORD became SUBREG_BYTE), but the fundamental
assumption that subregs should operate at the word level remained.
Whether (subreg:M1 (reg:M2 R2) N
