Conditional Compilation

src/intrinsic/mod.rs

@@ -0,0 +1,2 @@
+#[cfg(target_arch = "x86_64")]
+pub mod intrinfft;

src/lib.rs

@@ -1,5 +1,6 @@
 pub mod freq_scale;
-pub mod intrinfft;
+#[cfg(target_arch = "x86_64")]
+pub mod intrinsic;
 pub mod pfft;
 pub mod rfft;
 pub mod sfft;

src/main.rs

@@ -1,9 +1,12 @@
-mod intrinfft;
 mod pfft;
 mod rfft;
 mod sfft;
-mod splitfft;
 mod utils;
+mod splitfft;
+mod intrinsic;
+
+#[cfg(target_arch = "x86_64")]
+use intrinsic::intrinfft;
 
 use num_complex::Complex;
 use rustfft::FftPlanner;
@@ -63,23 +66,26 @@ fn main() {
     );
     utils::dump_result("rayon", &mut result, output_filename).unwrap();
 
-    let mut result = bench_fft(
-        intrinfft::simd_fft,
-        intrinfft::simd_ifft,
-        benchname,
-        "SIMD",
-        bench_niter,
-    );
-    utils::dump_result("simd", &mut result, output_filename).unwrap();
-
-    let mut result = bench_fft(
-        intrinfft::rayon_simd_fft,
-        intrinfft::rayon_simd_ifft,
-        benchname,
-        "Rayon SIMD",
-        bench_niter,
-    );
-    utils::dump_result("rayon simd", &mut result, output_filename).unwrap();
+    #[cfg(target_arch = "x86_64")]
+    {
+        let mut result = bench_fft(
+            intrinfft::simd_fft,
+            intrinfft::simd_ifft,
+            benchname,
+            "SIMD",
+            bench_niter,
+        );
+        utils::dump_result("simd", &mut result, output_filename).unwrap();
+
+        let mut result = bench_fft(
+            intrinfft::rayon_simd_fft,
+            intrinfft::rayon_simd_ifft,
+            benchname,
+            "Rayon SIMD",
+            bench_niter,
+        );
+        utils::dump_result("rayon simd", &mut result, output_filename).unwrap();
+    }
 
     let mut result = bench_fft(
         splitfft::fft,

tests/accuracy.rs

@@ -1,5 +1,6 @@
 use ffrust::freq_scale;
-use ffrust::intrinfft;
+#[cfg(target_arch = "x86_64")]
+use ffrust::intrinsic::intrinfft;
 use ffrust::pfft;
 use ffrust::rfft;
 use ffrust::sfft;
@@ -53,11 +54,13 @@ fn test_rayon_fft() {
     run_fft_ifft(pfft::rayon_fft, pfft::rayon_ifft, "rayon_recon.wav");
 }
 
+#[cfg(target_arch = "x86_64")]
 #[test]
 fn test_simd_fft() {
     run_fft_ifft(intrinfft::simd_fft, intrinfft::simd_ifft, "simd_recon.wav");
 }
 
+#[cfg(target_arch = "x86_64")]
 #[test]
 fn test_rayon_simd_fft() {
     run_fft_ifft(