| //! Utility macros. |
| |
| // Helper struct used to trigger const eval errors when the const generic immediate value `imm` is |
| // not a round number. |
| pub(crate) struct ValidateConstRound<const IMM: i32>; |
| impl<const IMM: i32> ValidateConstRound<IMM> { |
| pub(crate) const VALID: () = { |
| assert!( |
| IMM == 4 || IMM == 8 || IMM == 9 || IMM == 10 || IMM == 11, |
| "Invalid IMM value" |
| ); |
| }; |
| } |
| |
| #[allow(unused)] |
| macro_rules! static_assert_rounding { |
| ($imm:ident) => { |
| let _ = $crate::core_arch::x86_64::macros::ValidateConstRound::<$imm>::VALID; |
| }; |
| } |
| |
| // Helper struct used to trigger const eval errors when the const generic immediate value `imm` is |
| // not a sae number. |
| pub(crate) struct ValidateConstSae<const IMM: i32>; |
| impl<const IMM: i32> ValidateConstSae<IMM> { |
| pub(crate) const VALID: () = { |
| assert!(IMM == 4 || IMM == 8, "Invalid IMM value"); |
| }; |
| } |
| |
| #[allow(unused)] |
| macro_rules! static_assert_sae { |
| ($imm:ident) => { |
| let _ = $crate::core_arch::x86_64::macros::ValidateConstSae::<$imm>::VALID; |
| }; |
| } |