Hi Richard, On 8/30/21 8:24 AM, Richard Henderson wrote: > Currently, we have support for optimizing redundant zero extensions, > which I think was done with x86 and aarch64 in mind, which zero-extend > all 32-bit operations into the 64-bit register. > > But targets like Alpha, MIPS, and RISC-V do sign-extensions instead. > The last 5 patches address this. > > But before that, split the quite massive tcg_optimize function.
Looks promising after quick review. Do you have any comparison perf numbers?
