Added apxf target feature support, under flag apx_target_feature

Author: madhav-madhusoodanan

Cargo.lock

@@ -185,9 +185,9 @@ checksum = "7c02d123df017efcdfbd739ef81735b36c5ba83ec3c59c80a9d7ecc718f92e50"
 
 [[package]]
 name = "askama"
-version = "0.13.0"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a4e46abb203e00ef226442d452769233142bbfdd79c3941e84c8e61c4112543"
+checksum = "5d4744ed2eef2645831b441d8f5459689ade2ab27c854488fbab1fbe94fce1a7"
 dependencies = [
  "askama_derive",
  "itoa",
@@ -198,9 +198,9 @@ dependencies = [
 
 [[package]]
 name = "askama_derive"
-version = "0.13.0"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54398906821fd32c728135f7b351f0c7494ab95ae421d41b6f5a020e158f28a6"
+checksum = "d661e0f57be36a5c14c48f78d09011e67e0cb618f269cca9f2fd8d15b68c46ac"
 dependencies = [
  "askama_parser",
  "basic-toml",
@@ -222,7 +222,7 @@ dependencies = [
  "memchr",
  "serde",
  "serde_derive",
- "winnow 0.7.6",
+ "winnow 0.7.9",
 ]
 
 [[package]]
@@ -6305,9 +6305,9 @@ dependencies = [
 
 [[package]]
 name = "winnow"
-version = "0.7.6"
+version = "0.7.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "63d3fcd9bba44b03821e7d699eeee959f3126dcc4aa8e4ae18ec617c2a5cea10"
+checksum = "d9fb597c990f03753e08d3c29efbfcf2019a003b4bf4ba19225c158e1549f0f3"
 dependencies = [
  "memchr",
 ]

compiler/rustc_codegen_llvm/src/llvm_util.rs

@@ -307,6 +307,18 @@ pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFea
         ("x86", "avx10.1") => Some(LLVMFeature::new("avx10.1-512")),
         ("x86", "avx10.2") if get_version().0 < 20 => None,
         ("x86", "avx10.2") if get_version().0 >= 20 => Some(LLVMFeature::new("avx10.2-512")),
+        ("x86", "apxf") => Some(LLVMFeature::with_dependencies(
+            "egpr",
+            smallvec![
+                TargetFeatureFoldStrength::Both("push2pop2"),
+                TargetFeatureFoldStrength::Both("ppx"),
+                TargetFeatureFoldStrength::Both("ndd"),
+                TargetFeatureFoldStrength::Both("ccmp"),
+                TargetFeatureFoldStrength::Both("cf"),
+                TargetFeatureFoldStrength::Both("nf"),
+                TargetFeatureFoldStrength::Both("zu"),
+            ],
+        )),
         (_, s) => Some(LLVMFeature::new(s)),
     }
 }

compiler/rustc_feature/src/unstable.rs

@@ -316,6 +316,7 @@ declare_features! (
     // Unstable `#[target_feature]` directives.
     (unstable, aarch64_unstable_target_feature, "1.82.0", Some(44839)),
     (unstable, aarch64_ver_target_feature, "1.27.0", Some(44839)),
+    (unstable, apx_target_feature, "CURRENT_RUSTC_VERSION", Some(139284)),
     (unstable, arm_target_feature, "1.27.0", Some(44839)),
     (unstable, avx512_target_feature, "1.27.0", Some(44839)),
     (unstable, bpf_target_feature, "1.54.0", Some(44839)),

compiler/rustc_span/src/symbol.rs

@@ -459,6 +459,7 @@ symbols! {
         anonymous_lifetime_in_impl_trait,
         any,
         append_const_msg,
+        apx_target_feature,
         arbitrary_enum_discriminant,
         arbitrary_self_types,
         arbitrary_self_types_pointers,

compiler/rustc_target/src/target_features.rs

@@ -393,6 +393,7 @@ static X86_FEATURES: &[(&str, Stability, ImpliedFeatures)] = &[
     ("amx-tf32", Unstable(sym::x86_amx_intrinsics), &["amx-tile"]),
     ("amx-tile", Unstable(sym::x86_amx_intrinsics), &[]),
     ("amx-transpose", Unstable(sym::x86_amx_intrinsics), &["amx-tile"]),
+    ("apxf", Unstable(sym::apx_target_feature), &[]),
     ("avx", Stable, &["sse4.2"]),
     (
         "avx10.1",