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compiler: fussily sort the huge AbiMap match

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This commit is contained in:
Jubilee Young 2025-06-24 22:09:14 -07:00
parent 087dabfca7
commit c24914ec83
1 changed files with 13 additions and 6 deletions
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19
compiler/rustc_target/src/spec/abi_map.rs
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@ -85,11 +85,16 @@ impl AbiMap {
(ExternAbi::System { .. }, _) => CanonAbi::C,
// fallible lowerings
/* multi-platform */
// always and forever
(ExternAbi::RustInvalid, _) => return AbiMapping::Invalid,
(ExternAbi::EfiApi, Arch::Arm(..)) => CanonAbi::Arm(ArmCall::Aapcs),
(ExternAbi::EfiApi, Arch::X86_64) => CanonAbi::X86(X86Call::Win64),
(ExternAbi::EfiApi, Arch::Aarch64 | Arch::Riscv | Arch::X86) => CanonAbi::C,
(ExternAbi::EfiApi, _) => return AbiMapping::Invalid,
/* arm */
(ExternAbi::Aapcs { .. }, Arch::Arm(..)) => CanonAbi::Arm(ArmCall::Aapcs),
(ExternAbi::Aapcs { .. }, _) => return AbiMapping::Invalid,
@ -103,6 +108,12 @@ impl AbiMap {
return AbiMapping::Invalid;
}
/* gpu */
(ExternAbi::PtxKernel, Arch::Nvptx) => CanonAbi::GpuKernel,
(ExternAbi::GpuKernel, Arch::Amdgpu | Arch::Nvptx) => CanonAbi::GpuKernel,
(ExternAbi::PtxKernel | ExternAbi::GpuKernel, _) => return AbiMapping::Invalid,
/* x86 */
(ExternAbi::Cdecl { .. }, Arch::X86) => CanonAbi::C,
(ExternAbi::Cdecl { .. }, _) => return AbiMapping::Deprecated(CanonAbi::C),
@ -130,10 +141,7 @@ impl AbiMap {
(ExternAbi::Win64 { .. }, Arch::X86_64) => CanonAbi::X86(X86Call::Win64),
(ExternAbi::SysV64 { .. } | ExternAbi::Win64 { .. }, _) => return AbiMapping::Invalid,
(ExternAbi::PtxKernel, Arch::Nvptx) => CanonAbi::GpuKernel,
(ExternAbi::GpuKernel, Arch::Amdgpu | Arch::Nvptx) => CanonAbi::GpuKernel,
(ExternAbi::PtxKernel | ExternAbi::GpuKernel, _) => return AbiMapping::Invalid,
/* interrupts */
(ExternAbi::AvrInterrupt, Arch::Avr) => CanonAbi::Interrupt(InterruptKind::Avr),
(ExternAbi::AvrNonBlockingInterrupt, Arch::Avr) => {
CanonAbi::Interrupt(InterruptKind::AvrNonBlocking)
@ -156,8 +164,7 @@ impl AbiMap {
| ExternAbi::Msp430Interrupt
| ExternAbi::RiscvInterruptM
| ExternAbi::RiscvInterruptS
| ExternAbi::X86Interrupt
| ExternAbi::RustInvalid,
| ExternAbi::X86Interrupt,
_,
) => return AbiMapping::Invalid,
};