From b22e67fbf0186101268b9e20b1c410797db075f2 Mon Sep 17 00:00:00 2001
From: PetteriAimonen <PetteriAimonen@d3e1167c-abe1-51d5-8199-f9061ebe54e4>
Date: Sun, 17 Feb 2013 08:12:25 +0000
Subject: [PATCH] Fix bug in the fix16_fft example

---
 contrib/fix16_fft.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contrib/fix16_fft.c b/contrib/fix16_fft.c
index 1ecfc3f..a3709ba 100644
--- a/contrib/fix16_fft.c
+++ b/contrib/fix16_fft.c
@@ -85,7 +85,7 @@ static void butterfly(fix16_t *real, fix16_t *imag, unsigned blocksize, unsigned
 static uint32_t rbit_32(uint32_t x)
 {
 #if defined(__GNUC__) && defined(__ARM_ARCH_7M__)
-    __asm__("rbit %0,%0" :: "r"(x));
+    __asm__("rbit %0,%0" : "=r"(x) : "0"(x));
     return x;
 #else
     x = (((x & 0xaaaaaaaa) >> 1) | ((x & 0x55555555) << 1));