undo scope_asm change

Author: brandonros

crates/cuda_builder/src/lib.rs

@@ -368,7 +368,6 @@ impl CudaBuilder {
         println!("cargo:warning=Build completed successfully, PTX file generated at: {}", path.display());
 
         // run ptxas on it to validate
-        // example: ptxas -v -arch=sm_120 /home/brandon/vanity-miner-rs/target/release/build/gpu_runner-34ef728ec383c50f/out/kernels.ptx -o /tmp/temp.cubin
         let ptxas_output = Command::new("ptxas")
             .arg("-v")
             .arg(format!("-arch={}", self.arch.to_string()))

crates/cuda_std/Cargo.toml

@@ -13,3 +13,8 @@ cuda_std_macros = { version = "0.2", path = "../cuda_std_macros" }
 half = "2.4.1"
 bitflags = "2.8"
 paste = "1.0.15"
+
+[features]
+default = ["nvvm-v7"]
+nvvm-v7 = []
+nvvm-v19 = []

crates/cuda_std/src/atomic/intrinsics.rs

@@ -68,9 +68,10 @@ macro_rules! load {
                 #[allow(clippy::missing_safety_doc)]
                 #[doc = concat!("Performs a ", stringify!($ordering), " atomic load at the ", stringify!($scope), " level with a width of ", stringify!($width), " bits")]
                 pub unsafe fn [<atomic_load_ $ordering _ $width _ $scope>](ptr: *const [<u $width>]) -> [<u $width>] {
+                    // TODO: llvm-v19 needs $scope_asm instead of $scope
                     let mut out;
                     asm!(
-                        concat!("ld.", stringify!($ordering), load_scope!($ordering, $scope_asm), ".", stringify!([<u $width>]), " {}, [{}];"),
+                        concat!("ld.", stringify!($ordering), load_scope!($ordering, $scope), ".", stringify!([<u $width>]), " {}, [{}];"),
                         out([<reg $width>]) out,
                         in(reg64) ptr
                     );
@@ -115,8 +116,9 @@ macro_rules! store {
                 #[allow(clippy::missing_safety_doc)]
                 #[doc = concat!("Performs a ", stringify!($ordering), " atomic store at the ", stringify!($scope), " level with a width of ", stringify!($width), " bits")]
                 pub unsafe fn [<atomic_store_ $ordering _ $width _ $scope>](ptr: *mut [<u $width>], val: [<u $width>]) {
+                    // TODO: llvm-v19 needs $scope_asm instead of $scope
                     asm!(
-                        concat!("st.", stringify!($ordering), load_scope!($ordering, $scope_asm), ".", stringify!([<u $width>]), " [{}], {};"),
+                        concat!("st.", stringify!($ordering), load_scope!($ordering, $scope), ".", stringify!([<u $width>]), " [{}], {};"),
                         in(reg64) ptr,
                         in([<reg $width>]) val,
                     );