From cd527bb324ade952d11a134859d38bf5272c165e Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Thu, 3 Nov 2016 12:26:32 +1100
Subject: lib/libm: Move Thumb-specific sqrtf function to separate file.

This allows it to be used only when the hardware supports VFP
instructions, preventing compile errors.
---
 lib/libm/math.c | 13 -------------
 1 file changed, 13 deletions(-)

(limited to 'lib/libm/math.c')

diff --git a/lib/libm/math.c b/lib/libm/math.c
index 7cbec5fb32..732049236d 100644
--- a/lib/libm/math.c
+++ b/lib/libm/math.c
@@ -86,19 +86,6 @@ double __aeabi_dmul(double x , double y) {
 
 #endif // defined(__thumb__)
 
-// TODO this needs a better way of testing for Thumb2 FP hardware
-#if defined(__thumb2__)
-
-float sqrtf(float x) {
-    asm volatile (
-            "vsqrt.f32  %[r], %[x]\n"
-            : [r] "=t" (x)
-            : [x] "t"  (x));
-    return x;
-}
-
-#endif
-
 #ifndef NDEBUG
 float copysignf(float x, float y) {
     float_s_t fx={.f = x};
-- 
cgit v1.2.3