From 6882dbd9f866ec00dd1ea62cfa15c1c3fcfdc198 Mon Sep 17 00:00:00 2001
From: mux <freelancer.c@gmail.com>
Date: Sun, 2 Mar 2014 00:33:39 +0200
Subject: [PATCH] Implement machine_sqrt using VSQRT

---
 stm/main.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/stm/main.c b/stm/main.c
index 28e0e5065d..5ab17cd3db 100644
--- a/stm/main.c
+++ b/stm/main.c
@@ -675,6 +675,9 @@ double sqrt(double x) {
 }
 
 machine_float_t machine_sqrt(machine_float_t x) {
-    // TODO
+    asm volatile (
+            "vsqrt.f32  %[r], %[x]\n"
+            : [r] "=t" (x)
+            : [x] "t"  (x));
     return x;
 }