On 22 August 2014 23:05, Richard Henderson wrote:
> Delay cfi restore opcodes until the stack frame is deallocated.
> This reduces the number of cfi advance opcodes required.
>
> We perform a similar optimization in the x86_64 epilogue.
>
>
> * config/aarch64/aarch64.c (aarch64_popwb_singl
On 28/08/14 13:36, Jiong Wang wrote:
> I am curious about why "dwarf2out_frame_debug_expr" only handle
> PRE/POST_MODIFY on dest
> while no handling on src ?
>
> for example the following rule:
> (set reg (mem_post_modify sp offset))
>
Probably because dwarf2out was originally written to han
On 26/08/14 14:37, Jiong Wang wrote:
thanks,
verified no regression on aarch64-none-elf bare-metal check-gcc/check-gdb.
-- Jiong
On 22/08/14 23:05, Richard Henderson wrote:
Delay cfi restore opcodes until the stack frame is deallocated.
This reduces the number of cfi advance opcodes required.
thanks,
verified no regression on aarch64-none-elf bare-metal check-gcc/check-gdb.
-- Jiong
On 22/08/14 23:05, Richard Henderson wrote:
Delay cfi restore opcodes until the stack frame is deallocated.
This reduces the number of cfi advance opcodes required.
We perform a similar optimization in
Delay cfi restore opcodes until the stack frame is deallocated.
This reduces the number of cfi advance opcodes required.
We perform a similar optimization in the x86_64 epilogue.
* config/aarch64/aarch64.c (aarch64_popwb_single_reg): Remove.
(aarch64_popwb_pair_reg): Remove.
