Andrew Zhogin

rust_for_linux: -Zregparm=<N> commandline flag for X86 (#116972)

35

Command line flag `-Zregparm=` for X86 (32-bit) for rust-for-linux: https://github.com/rust-lang/rust/issues/116972 Implemented in the similar way as fastcall/vectorcall support (args are marked InReg if fit).

rust_for_linux: -Zreg-struct-return commandline flag for X86 (#116973)

12

Command line flag `-Zreg-struct-return` for X86 (32-bit) for rust-for-linux: https://github.com/rust-lang/rust/issues/116973. This flag enables the same behavior as for `abi_return_struct_as_int` target spec. Based on https://github.com/rust-lang/rust/pull/130432 PR (-Zregparm=N flag)