bjoernager/rust
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Add gpu-kernel calling convention

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The amdgpu-kernel calling convention was reverted in commit
f6b21e90d1 due to inactivity in the amdgpu
target.

Introduce a `gpu-kernel` calling convention that translates to
`ptx_kernel` or `amdgpu_kernel`, depending on the target that rust
compiles for.
This commit is contained in:
Flakebi 2025-01-02 22:42:10 +01:00
parent bf6f8a4d32
commit e7e5202978
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GPG key ID: 38E7ED984D7DCD02
29 changed files with 435 additions and 175 deletions
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3
compiler/rustc_target/src/callconv/mod.rs
View file

@ -547,6 +547,8 @@ pub enum Conv {
PtxKernel,
GpuKernel,
X86Fastcall,
X86Intr,
X86Stdcall,
@ -866,6 +868,7 @@ impl FromStr for Conv {
"X86VectorCall" => Ok(Conv::X86VectorCall),
"X86_64SysV" => Ok(Conv::X86_64SysV),
"X86_64Win64" => Ok(Conv::X86_64Win64),
"GpuKernel" => Ok(Conv::GpuKernel),
"AvrInterrupt" => Ok(Conv::AvrInterrupt),
"AvrNonBlockingInterrupt" => Ok(Conv::AvrNonBlockingInterrupt),
"RiscvInterrupt(machine)" => {

1
compiler/rustc_target/src/json.rs
View file

@ -113,6 +113,7 @@ impl ToJson for crate::abi::call::Conv {
Self::X86VectorCall => "X86VectorCall",
Self::X86_64SysV => "X86_64SysV",
Self::X86_64Win64 => "X86_64Win64",
Self::GpuKernel => "GpuKernel",
Self::AvrInterrupt => "AvrInterrupt",
Self::AvrNonBlockingInterrupt => "AvrNonBlockingInterrupt",
Self::RiscvInterrupt { kind } => {

1
compiler/rustc_target/src/spec/mod.rs
View file

@ -2854,6 +2854,7 @@ impl Target {
}
Win64 { .. } | SysV64 { .. } => self.arch == "x86_64",
PtxKernel => self.arch == "nvptx64",
GpuKernel => ["amdgpu", "nvptx64"].contains(&&self.arch[..]),
Msp430Interrupt => self.arch == "msp430",
RiscvInterruptM | RiscvInterruptS => ["riscv32", "riscv64"].contains(&&self.arch[..]),
AvrInterrupt | AvrNonBlockingInterrupt => self.arch == "avr",