Ping: [PATCH V4] Use reg mode to move sub blocks for parameters and returns

Hi, Ping this patch: https://gcc.gnu.org/pipermail/gcc-patches/2023-January/609394.html Thanks for any comments and suggestions! BR, Jeff (Jiufu) Jiufu Guo writes: > Hi, > > When assigning a parameter to a variable, or assigning a variable to > return value with struct type, "block move" ma

[PATCH V4] Use reg mode to move sub blocks for parameters and returns

Hi, When assigning a parameter to a variable, or assigning a variable to return value with struct type, "block move" may be used to expand the assignment if the parameter/return is passing through registers and the parameter/return has BLK mode. For this kind of case, when moving the blocks, it wo