https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114639
--- Comment #18 from JuzheZhong <juzhe.zhong at rivai dot ai> --- (In reply to Li Pan from comment #17) > According to the V abi, looks like the asm code tries to save/restore the > callee-saved registers when there is a call in function body. > > | Name | ABI Mnemonic | Meaning | Preserved across > calls? > ============================================================================= > ==== > | v0 | | Argument register | No > | v1-v7 | | Callee-saved registers | Yes > | v8-v23 | | Argument registers | No > | v24-v31 | | Callee-saved registers | Yes I see, https://godbolt.org/z/7bx1EEdGn When we use 44 instead of get_vl (), the load/store instructions are gone.
