From 452fe68a53daf8e3dadf13d64bd262ff8e2a397e Mon Sep 17 00:00:00 2001
From: Stan Shebs <stanshebs@google.com>
Date: Wed, 26 Sep 2018 14:16:30 -0700
Subject: [PATCH] Make asm-based constraints be gcc-only

---
 sysdeps/powerpc/fpu/math_private.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sysdeps/powerpc/fpu/math_private.h b/sysdeps/powerpc/fpu/math_private.h
index 4d1e571f848..92ed872af0c 100644
--- a/sysdeps/powerpc/fpu/math_private.h
+++ b/sysdeps/powerpc/fpu/math_private.h
@@ -24,11 +24,13 @@
 #include <dl-procinfo.h>
 #include <fenv_private.h>
 
+#if !defined __clang__  /* clang being confused by these constraints */
 /* Avoid putting floating point values in memory.  */
 # define math_opt_barrier(x)					\
   ({ __typeof (x) __x = (x); __asm ("" : "+dwa" (__x)); __x; })
 # define math_force_eval(x)						\
   ({ __typeof (x) __x = (x); __asm __volatile__ ("" : : "dwa" (__x)); })
+#endif /* clang */
 
 #include_next <math_private.h>
 
-- 
2.47.2