chore: separated common logic within compile_c, compile_rust and compare_outputs

Author: madhav-madhusoodanan

crates/intrinsic-test/src/arm/config.rs

@@ -0,0 +1,35 @@
+pub fn build_notices(line_prefix: &str) -> String {
+    format!(
+        "\
+{line_prefix}This is a transient test file, not intended for distribution. Some aspects of the
+{line_prefix}test are derived from a JSON specification, published under the same license as the
+{line_prefix}`intrinsic-test` crate.\n
+"
+    )
+}
+
+pub const POLY128_COUT_DEF: &str = r#"
+std::ostream& operator<<(std::ostream& os, poly128_t value) {{
+  std::stringstream temp;
+  do {{
+    int n = value % 10;
+    value /= 10;
+    temp << n;
+  }} while (value != 0);
+  std::string tempstr(temp.str());
+  std::string res(tempstr.rbegin(), tempstr.rend());
+  os << res;
+  return os;
+}}"#;
+
+pub const AARCH_CONFIGURATIONS: &str = r#"
+#![cfg_attr(target_arch = "arm", feature(stdarch_arm_neon_intrinsics))]
+#![cfg_attr(target_arch = "arm", feature(stdarch_aarch32_crc32))]
+#![cfg_attr(any(target_arch = "aarch64", target_arch = "arm64ec"), feature(stdarch_neon_fcma))]
+#![cfg_attr(any(target_arch = "aarch64", target_arch = "arm64ec"), feature(stdarch_neon_dotprod))]
+#![cfg_attr(any(target_arch = "aarch64", target_arch = "arm64ec"), feature(stdarch_neon_i8mm))]
+#![cfg_attr(any(target_arch = "aarch64", target_arch = "arm64ec"), feature(stdarch_neon_sha3))]
+#![cfg_attr(any(target_arch = "aarch64", target_arch = "arm64ec"), feature(stdarch_neon_sm4))]
+#![cfg_attr(any(target_arch = "aarch64", target_arch = "arm64ec"), feature(stdarch_neon_ftts))]
+#![feature(stdarch_neon_f16)]
+"#;