Steven Bosscher writes:
> On Sun, Feb 23, 2014 at 10:14 PM, Richard Sandiford wrote:
>> I noticed in passing that this 4.7 cleanup:
>>
>> http://article.gmane.org/gmane.comp.gcc.patches/224853
> ...
>> so that nothing happens for pseudos. I've no idea whether this makes
>> a difference in pract
On Sun, Feb 23, 2014 at 10:14 PM, Richard Sandiford wrote:
> I noticed in passing that this 4.7 cleanup:
>
> http://article.gmane.org/gmane.comp.gcc.patches/224853
...
> so that nothing happens for pseudos. I've no idea whether this makes
> a difference in practice or not but it seems safer to r
I noticed in passing that this 4.7 cleanup:
http://article.gmane.org/gmane.comp.gcc.patches/224853
changed caller-save.c:add_used_regs_1 from:
if (REG_P (x))
{
regno = REGNO (x);
if (!HARD_REGISTER_NUM_P (regno))
regno = reg_renumber[regno];
if (regno >= 0)
