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libstdc++/69295 Set FP options for failing special functions tests

Message ID 20160127150938.GX15084@redhat.com
State New
Headers show

Commit Message

Jonathan Wakely Jan. 27, 2016, 3:09 p.m. UTC 
This should fix the FAILs seen on trunk for some targets.

Tested powerpc64-linux, comitted to trunk.
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Patch

commit 6f952bce33752add3fd08efac03bc19782ef09b8
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Wed Jan 27 13:55:45 2016 +0000

    Set FP options for failing special functions tests
    
    	PR libstdc++/69295
    	* testsuite/ext/special_functions/hyperg/check_value.cc: Use
    	-ffp-contract=off, and -ffloat-store to disable excess precision.
    	* testsuite/special_functions/02_assoc_legendre/check_value.cc: Use
    	-ffp-contract=off.

diff --git a/libstdc++-v3/testsuite/ext/special_functions/hyperg/check_value.cc b/libstdc++-v3/testsuite/ext/special_functions/hyperg/check_value.cc
index 218c07a..d87fcef 100644
--- a/libstdc++-v3/testsuite/ext/special_functions/hyperg/check_value.cc
+++ b/libstdc++-v3/testsuite/ext/special_functions/hyperg/check_value.cc
@@ -1,5 +1,6 @@ 
-// { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
-//
+// { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__ -ffp-contract=off" }
+// { dg-additional-options "-ffloat-store" { target { m68*-*-* || ia32 } } }
+
 // Copyright (C) 2016 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
diff --git a/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/check_value.cc b/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/check_value.cc
index a514207..0c60ac6 100644
--- a/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/check_value.cc
+++ b/libstdc++-v3/testsuite/special_functions/02_assoc_legendre/check_value.cc
@@ -1,5 +1,5 @@ 
-// { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__" }
-//
+// { dg-options "-D__STDCPP_WANT_MATH_SPEC_FUNCS__ -ffp-contract=off" }
+
 // Copyright (C) 2016 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free