On Thu, Jul 9, 2015 at 9:31 AM, Steve Ellcey wrote:
> On Mon, 2015-06-29 at 11:10 +0100, Richard Henderson wrote:
>
>> > OK, I think I have this part of the code working on MIPS but
>> > crtl->drap_reg is used in the epilogue as well as the prologue even if
>> > it is not 'live' in between. If I
On Mon, 2015-06-29 at 11:10 +0100, Richard Henderson wrote:
> > OK, I think I have this part of the code working on MIPS but
> > crtl->drap_reg is used in the epilogue as well as the prologue even if
> > it is not 'live' in between. If I understand the code correctly the x86
> > prologue pushes t
On Mon, 2015-06-29 at 11:10 +0100, Richard Henderson wrote:
> > I also need the drap pointer in the MIPS epilogue but I would like to
> > avoid having to get it from memory. Ideally I would like to restore it
> > from the virtual register that the prologue code / get_drap_rtx code put
> > it into
On 06/22/2015 11:14 PM, Steve Ellcey wrote:
On Fri, 2015-06-19 at 09:09 -0400, Richard Henderson wrote:
On 06/16/2015 07:05 PM, Steve Ellcey wrote:
I have a question about the DRAP register (used for dynamic stack alignment)
and about reserving/using hard registers in general. I am trying to
On Fri, 2015-06-19 at 09:09 -0400, Richard Henderson wrote:
> On 06/16/2015 07:05 PM, Steve Ellcey wrote:
> >
> > I have a question about the DRAP register (used for dynamic stack alignment)
> > and about reserving/using hard registers in general. I am trying to
> > understand
> > where, if a dr
On Fri, 2015-06-19 at 09:09 -0400, Richard Henderson wrote:
> On 06/16/2015 07:05 PM, Steve Ellcey wrote:
> >
> > I have a question about the DRAP register (used for dynamic stack alignment)
> > and about reserving/using hard registers in general. I am trying to
> > understand
> > where, if a dr
On 06/16/2015 07:05 PM, Steve Ellcey wrote:
I have a question about the DRAP register (used for dynamic stack alignment)
and about reserving/using hard registers in general. I am trying to understand
where, if a drap register is allocated, GCC is told not to use it during
general register allo
I have a question about the DRAP register (used for dynamic stack alignment)
and about reserving/using hard registers in general. I am trying to understand
where, if a drap register is allocated, GCC is told not to use it during
general register allocation. There must be some code somewhere for
