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authorJed Brown <jed@jedbrown.org>2025-02-26 20:06:25 -0700
committerJed Brown <jed@jedbrown.org>2025-06-21 19:32:47 -0600
commit6dbac3f09e67c853f343df9d75a7eb213f16c959 (patch)
treedd0f019aae3256ad9f359feccc2d7b1304da731e /compiler/rustc_codegen_llvm/src
parentd4e1159b8c97478778b09a4cc1c7adce5653b8bf (diff)
downloadrust-6dbac3f09e67c853f343df9d75a7eb213f16c959.tar.gz
rust-6dbac3f09e67c853f343df9d75a7eb213f16c959.zip
add nvptx_target_feature
Add target features for sm_* and ptx*, both of which form a partial
order, but cannot be combined to a single partial order. These mirror
the LLVM target features, but we do not provide LLVM target
processors (which imply both an sm_* and ptx* feature).

Add some documentation for the nvptx target.
Diffstat (limited to 'compiler/rustc_codegen_llvm/src')
-rw-r--r--compiler/rustc_codegen_llvm/src/llvm_util.rs9
1 files changed, 9 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm_util.rs b/compiler/rustc_codegen_llvm/src/llvm_util.rs
index 6fd07d562af..202b9641e56 100644
--- a/compiler/rustc_codegen_llvm/src/llvm_util.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs
@@ -262,6 +262,15 @@ pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFea
         // Filter out features that are not supported by the current LLVM version
         ("aarch64", "fpmr") => None, // only existed in 18
         ("arm", "fp16") => Some(LLVMFeature::new("fullfp16")),
+        // NVPTX targets added in LLVM 20
+        ("nvptx64", "sm_100") if get_version().0 < 20 => None,
+        ("nvptx64", "sm_100a") if get_version().0 < 20 => None,
+        ("nvptx64", "sm_101") if get_version().0 < 20 => None,
+        ("nvptx64", "sm_101a") if get_version().0 < 20 => None,
+        ("nvptx64", "sm_120") if get_version().0 < 20 => None,
+        ("nvptx64", "sm_120a") if get_version().0 < 20 => None,
+        ("nvptx64", "ptx86") if get_version().0 < 20 => None,
+        ("nvptx64", "ptx87") if get_version().0 < 20 => None,
         // Filter out features that are not supported by the current LLVM version
         ("loongarch64", "div32" | "lam-bh" | "lamcas" | "ld-seq-sa" | "scq")
             if get_version().0 < 20 =>