Re: Aarch64 implementation for dwarf exception handling

2014-02-13 Thread Yufeng Zhang 张玉峰
Hi Shiva, I wonder if you have any test case to demonstrate the potential code-gen issue you are concerned with. Thanks, Yufeng On Thu, Feb 13, 2014 at 2:14 AM, Shiva Chen shiva0...@gmail.com wrote: Hi, I have a question about the implementation of aarch64_final_eh_return_addr which is

Re: Aarch64 implementation for dwarf exception handling

2014-02-13 Thread Renlin Li
On 13/02/14 02:14, Shiva Chen wrote: Hi, I have a question about the implementation of aarch64_final_eh_return_addr which is used to point out the return address of the frame According the source code If FP is not needed return gen_frame_mem (DImode,

Re: Aarch64 implementation for dwarf exception handling

2014-02-13 Thread Shiva Chen
Hi, Yufeng Sorry, I don't have any testcase I just mis-understanding the implementation. Hi, Renlin Thanks to point out my mis-understanding. I didn't aware that LP would in different position between FP needed (bottom of callee) and FP not needed(top of callee). I have check the

Aarch64 implementation for dwarf exception handling

2014-02-12 Thread Shiva Chen
Hi, I have a question about the implementation of aarch64_final_eh_return_addr which is used to point out the return address of the frame According the source code If FP is not needed return gen_frame_mem (DImode, plus_constant (Pmode,