GNU C Library master sources branch master updated. glibc-2.24-596-gf39cd19

[jsm28 at sourceware dot org]

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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=f39cd196c63fe3fe7a93168aa1c1e4e65b2fb2e3

commit f39cd196c63fe3fe7a93168aa1c1e4e65b2fb2e3
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Mon Jan 2 20:28:36 2017 +0000

    Correct MIPS math-tests.h condition for sNaN payload preservation.
    
    Testing for MIPS soft float shows that the issue with NaN payload
    preservation applies to soft float as well as hard float: the
    sfp-machine.h emulates hardware non-preservation semantics, although
    only for the case of two NaN arguments.
    
    This patch duly changes the MIPS math-tests.h to expect such
    non-preservation for soft float as well as hard float.  The issue in
    the NAN2008 case for which I posted
    <https://gcc.gnu.org/ml/gcc-patches/2017-01/msg00034.html>, of sNaN
    payloads being preserved but qNaN payloads not being preserved, is not
    currently an issue for glibc tests because we don't have any tests
    that check for qNaN payloads being preserved by arithmetic, so a
    simple __mips_nan2008 conditional suffices without needing compiler
    version checks in the __mips_nan2008 case.
    
    Tested for mips64 soft float.
    
    	* sysdeps/mips/math-tests.h (SNAN_TESTS_PRESERVE_PAYLOAD): Do not
    	condition on [__mips_hard_float].

diff --git a/ChangeLog b/ChangeLog
index d321a89..e6b850c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2017-01-02  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/mips/math-tests.h (SNAN_TESTS_PRESERVE_PAYLOAD): Do not
+	condition on [__mips_hard_float].
+
 2017-01-02  Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 
 	[BZ #21014]
diff --git a/sysdeps/mips/math-tests.h b/sysdeps/mips/math-tests.h
index caa2b4f..7680db2 100644
--- a/sysdeps/mips/math-tests.h
+++ b/sysdeps/mips/math-tests.h
@@ -37,7 +37,7 @@
 
 /* NaN payload preservation when converting a signaling NaN to quiet
    is only required in NAN2008 mode.  */
-#if defined __mips_hard_float && !defined __mips_nan2008
+#ifndef __mips_nan2008
 # define SNAN_TESTS_PRESERVE_PAYLOAD	0
 #endif
 

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                 |    5 +++++
 sysdeps/mips/math-tests.h |    2 +-
 2 files changed, 6 insertions(+), 1 deletions(-)


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