From 5d98c6e04973d1608307d6f230b79ff9219ba480 Mon Sep 17 00:00:00 2001
From: Thomas Guillem <thomas@gllm.fr>
Date: Fri, 23 Mar 2018 15:48:10 +0100
Subject: [PATCH 3/3] add aarch64 support

---
 cmake/Modules/SetSystemProcessor.cmake | 1 +
 src/pffft-wrap.c                       | 2 +-
 src/pffft.c                            | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/cmake/Modules/SetSystemProcessor.cmake b/cmake/Modules/SetSystemProcessor.cmake
index 8e2c292..55ac842 100644
--- a/cmake/Modules/SetSystemProcessor.cmake
+++ b/cmake/Modules/SetSystemProcessor.cmake
@@ -14,6 +14,7 @@ macro (set_system_processor)
         "#if defined __x86_64__ || defined _M_X64  /*\;x86_64\;*/"
         "#if defined __i386__   || defined _M_IX86 /*\;x86_32\;*/"
         "#if defined __arm__    || defined _M_ARM  /*\;arm\;*/"
+        "#if defined __aarch64__ || defined _M_ARM64 /*\;arm64\;*/"
         )
       foreach (CPU_LINE ${CPU_LINES})
         string (CONCAT CPU_SOURCE "${CPU_LINE}" "
diff --git a/src/pffft-wrap.c b/src/pffft-wrap.c
index c920f06..3687c36 100644
--- a/src/pffft-wrap.c
+++ b/src/pffft-wrap.c
@@ -40,7 +40,7 @@ static void pffft_zconvolve(PFFFT_Setup *s, const float *a, const float *b, floa
 
   float ar, ai, br, bi;
 
-#ifdef __arm__
+#if defined (__arm__) || defined(__aarch64__)
   __builtin_prefetch(va);
   __builtin_prefetch(vb);
   __builtin_prefetch(va+2);
diff --git a/src/pffft.c b/src/pffft.c
index 46c841e..060f299 100644
--- a/src/pffft.c
+++ b/src/pffft.c
@@ -157,7 +157,7 @@ typedef __m128 v4sf;
 /*
   ARM NEON support macros
 */
-#elif !defined(PFFFT_SIMD_DISABLE) && defined(__arm__)
+#elif !defined(PFFFT_SIMD_DISABLE) && (defined(__arm__) || defined(__aarch64__))
 #  include <arm_neon.h>
 typedef float32x4_t v4sf;
 #  define SIMD_SZ 4
-- 
2.11.0