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Fix alpha sqrt fegetenv namespace (bug 20768) [committed]


On alpha, sqrt (a C90 function) brings in references to fegetenv
(C99), resulting in linknamespace test failures:

[initial] __sqrt -> [libm.a(w_sqrt.o)] __ieee754_sqrt ->
[libm.a(e_sqrt.o)] __feholdexcept -> [libm.a(feholdexcpt.o)] fegetenv

This patch fixes this by making __feholdexcept call __fegetenv instead
of fegetenv.

Tested for Alpha (compilation only).  Committed.

2016-11-04  Joseph Myers  <joseph@codesourcery.com>

	[BZ #20768]
	* sysdeps/alpha/fpu/feholdexcpt.c (__feholdexcept): Call
	__fegetenv instead of fegetenv.

diff --git a/sysdeps/alpha/fpu/feholdexcpt.c b/sysdeps/alpha/fpu/feholdexcpt.c
index 019d30b..36bb051 100644
--- a/sysdeps/alpha/fpu/feholdexcpt.c
+++ b/sysdeps/alpha/fpu/feholdexcpt.c
@@ -23,7 +23,7 @@ int
 __feholdexcept (fenv_t *envp)
 {
   /* Save the current state.  */
-  fegetenv(envp);
+  __fegetenv(envp);
 
   /* Clear all exception status bits and exception enable bits.  */
   __ieee_set_fp_control(*envp & SWCR_MAP_MASK);

-- 
Joseph S. Myers
joseph@codesourcery.com


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