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authorWilco Dijkstra <wdijkstr@arm.com>2015-07-06 12:43:31 +0100
committerWilco Dijkstra <wdijkstr@arm.com>2015-07-06 12:52:55 +0100
commit6471190491435c6ee819232f3eb71ad9638563cc (patch)
tree025c6ff7559986bbf5356b2c50fdeaed842995a2 /sysdeps/aarch64/fpu/math_private.h
parenta1b85e1d6c2fbd815818d50ba7060dd3771888e3 (diff)
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Inline __ieee754_sqrt and __ieee754_sqrtf. Also add external definitions.
Diffstat (limited to 'sysdeps/aarch64/fpu/math_private.h')
-rw-r--r--sysdeps/aarch64/fpu/math_private.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/sysdeps/aarch64/fpu/math_private.h b/sysdeps/aarch64/fpu/math_private.h
index 52a6ad98f3..b3c2509961 100644
--- a/sysdeps/aarch64/fpu/math_private.h
+++ b/sysdeps/aarch64/fpu/math_private.h
@@ -22,6 +22,22 @@
 #include <fenv.h>
 #include <fpu_control.h>
 
+extern __always_inline double
+__ieee754_sqrt (double d)
+{
+  double res;
+  asm __volatile__ ("fsqrt   %d0, %d1" : "=w" (res) : "w" (d));
+  return res;
+}
+
+extern __always_inline float
+__ieee754_sqrtf (float s)
+{
+  float res;
+  asm __volatile__ ("fsqrt   %s0, %s1" : "=w" (res) : "w" (s));
+  return res;
+}
+
 static __always_inline void
 libc_feholdexcept_aarch64 (fenv_t *envp)
 {