Jun Wang

Results 9 comments of Jun Wang

[Feature]: Compiler option for expanding s_waitcnt instructions or don’t merge them in the first place

@bbiiggppiigg For the 3 examples provided, could you pls (1) list the desired code with s_waitcnt inserted at desired places with the appropriate counters, and (2) list the bitcode (.ll)...

[AMDGPU] In instruction selector, allow copy from physical reg to s1

> isVCC needs to gain a new parameter for the partnered register in the copy. There shouldn't be any need to fixup the result after, or check register class membership...

[AMDGPU] In instruction selector, allow copy from physical reg to s1

In the new commit I created a separate function just to handle copy from physical reg to VCC. However, I'm not sure this is an improvement over the previous version....

[AMDGPU] In instruction selector, allow copy from physical reg to s1

> You should not have to query whether a register belongs to a register class, only query what that register's class is. For the problem we are dealing with here,...

[AMDGPU] In instruction selector, allow copy from physical reg to s1

@arsenm ping.

[AMDGPU] In instruction selector, allow copy from physical reg to s1

@arsenm ping.

[AMDGPU] In instruction selector, allow copy from physical reg to s1

@arsenm ping.

[AMDGPU] In instruction selector, allow copy from physical reg to s1

@arsenm @shiltian @Pierre-vh ping.

[AMDGPU] Infer amdgpu-no-flat-scratch-init attribute in AMDGPUAttributor

I plan to submit this PR next week by Nov 26. Pls let me know if you have additional comments.