Hi!
On Mon, Mar 30, 2020 at 12:18:59PM +0800, luoxhu wrote:
> >>>If df_regs_ever_live_p(31) is false there is no hard frame pointer
> >>>anywhere in the program. How can it be used then?
> >>
> >>There is a piece of code emit move instruction to r31 even
> >>df_regs_ever_live_p(31) is false
>
On 3/30/20 12:18 AM, luoxhu via Gcc-patches wrote:
On 2020/3/28 00:04, Segher Boessenkool wrote:
Hi!
On Fri, Mar 27, 2020 at 09:34:00AM +0800, luoxhu wrote:
On 2020/3/27 07:59, Segher Boessenkool wrote:
On Wed, Mar 25, 2020 at 11:15:22PM -0500, luo...@linux.ibm.com wrote:
On 2020/3/28 00:04, Segher Boessenkool wrote:
Hi!
On Fri, Mar 27, 2020 at 09:34:00AM +0800, luoxhu wrote:
On 2020/3/27 07:59, Segher Boessenkool wrote:
On Wed, Mar 25, 2020 at 11:15:22PM -0500, luo...@linux.ibm.com wrote:
frame_pointer_needed is set to true in reload pass
Hi!
On Fri, Mar 27, 2020 at 09:34:00AM +0800, luoxhu wrote:
> On 2020/3/27 07:59, Segher Boessenkool wrote:
> > On Wed, Mar 25, 2020 at 11:15:22PM -0500, luo...@linux.ibm.com wrote:
> >> frame_pointer_needed is set to true in reload pass setup_can_eliminate,
> >> but regs_ever_live[31] is false,
On 2020/3/27 07:59, Segher Boessenkool wrote:
> Hi!
>
> On Wed, Mar 25, 2020 at 11:15:22PM -0500, luo...@linux.ibm.com wrote:
>> frame_pointer_needed is set to true in reload pass setup_can_eliminate,
>> but regs_ever_live[31] is false, so pro_and_epilogue doesn't save/restore
>> r31 even it
Hi!
On Wed, Mar 25, 2020 at 11:15:22PM -0500, luo...@linux.ibm.com wrote:
> frame_pointer_needed is set to true in reload pass setup_can_eliminate,
> but regs_ever_live[31] is false, so pro_and_epilogue doesn't save/restore
> r31 even it is used actually, causing CPU2006 465.tonto segment fault
On Wed, 2020-03-25 at 23:15 -0500, luoxhu--- via Gcc-patches wrote:
> From: Xionghu Luo
>
Hi,
No real issues noted in my review. Patch is straighforward, just a
couple cosmetic comments inline below.
> This P1 bug is exposed by FRE refactor of r263875. Comparing the fre
> dump file shows no
From: Xionghu Luo
This P1 bug is exposed by FRE refactor of r263875. Comparing the fre
dump file shows no obvious change of the segment fault function proves
it to be a target issue.
frame_pointer_needed is set to true in reload pass setup_can_eliminate,
but regs_ever_live[31] is false, so
