Re: [PATCH 2/3] [amdgcn] Use frame pointer for CFA expressions.

2021-06-23 Thread Andrew Stubbs
On 22/06/2021 18:14, Hafiz Abid Qadeer wrote: As size of address is bigger than registers in amdgcn, we are forced to use DW_CFA_def_cfa_expression to make an expression that concatenates multiple registers for the value of the CFA. This then prohibits us from using many of the dwarf ops which e

[PATCH 2/3] [amdgcn] Use frame pointer for CFA expressions.

2021-06-22 Thread Hafiz Abid Qadeer
As size of address is bigger than registers in amdgcn, we are forced to use DW_CFA_def_cfa_expression to make an expression that concatenates multiple registers for the value of the CFA. This then prohibits us from using many of the dwarf ops which expect CFA rule to be a single regsiter plus an o