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| author | Joseph Myers <joseph@codesourcery.com> | 2014-03-26 18:59:08 +0000 |
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| committer | Joseph Myers <joseph@codesourcery.com> | 2014-03-26 18:59:08 +0000 |
| commit | 9be36fb8cb5bcdab5bbbc7a36388dc9a3d1cc397 (patch) | |
| tree | 2cc35309dc7cb65fbe9f8fe46762edf8a50a7f02 /io/sendfile.c | |
| parent | 60a2f3c166cebf56048d00cee47b9ed1969844d6 (diff) | |
| download | glibc-9be36fb8cb5bcdab5bbbc7a36388dc9a3d1cc397.tar.gz glibc-9be36fb8cb5bcdab5bbbc7a36388dc9a3d1cc397.tar.xz glibc-9be36fb8cb5bcdab5bbbc7a36388dc9a3d1cc397.zip | |
Make x86_64 fegetenv preserve exception mask (bug 16198).
Bug 16198 is x86_64 fegetenv wrongly masking exceptions for which traps are enabled, because that's a side-effect of the fnstenv instruction. This patch fixes it to use fldenv immediately after fnstenv, like the i386 version. Tested x86_64 and x86. [BZ #16198] * sysdeps/x86_64/fpu/fegetenv.c (fegetenv): Use fldenv after fnstenv. * math/test-fenv-preserve.c: New file. * math/Makefile (tests): Add test-fenv-preserve.
Diffstat (limited to 'io/sendfile.c')
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