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author | Joseph Myers <joseph@codesourcery.com> | 2017-01-02 20:28:36 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2017-01-02 20:28:36 +0000 |
commit | f39cd196c63fe3fe7a93168aa1c1e4e65b2fb2e3 (patch) | |
tree | 73db50a3071654ad587438456b004c22eaef1ee5 /ChangeLog.7 | |
parent | 23d27709a423aec32821e9a5198a10267107bae2 (diff) | |
download | glibc-f39cd196c63fe3fe7a93168aa1c1e4e65b2fb2e3.tar.gz glibc-f39cd196c63fe3fe7a93168aa1c1e4e65b2fb2e3.tar.xz glibc-f39cd196c63fe3fe7a93168aa1c1e4e65b2fb2e3.zip |
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].
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