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| author | Joseph Myers <joseph@codesourcery.com> | 2012-11-21 20:26:56 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-11-21 20:26:56 +0000 |
| commit | ad35f2dd750ed3e3f483409ef50b38ea19745002 (patch) | |
| tree | 64d4f4be507055e344438505aee94c81c7ef3f81 | |
| parent | 09e958ed423b99f97f5fd4b101964dfc9e3b32c0 (diff) | |
| download | glibc-ad35f2dd750ed3e3f483409ef50b38ea19745002.tar.gz glibc-ad35f2dd750ed3e3f483409ef50b38ea19745002.tar.xz glibc-ad35f2dd750ed3e3f483409ef50b38ea19745002.zip | |
Make ARM fesetenv (FE_NOMASK_ENV) detect failure (bug 14866).
| -rw-r--r-- | NEWS | 2 | ||||
| -rw-r--r-- | ports/ChangeLog.arm | 6 | ||||
| -rw-r--r-- | ports/sysdeps/arm/fesetenv.c | 10 |
3 files changed, 17 insertions, 1 deletions
diff --git a/NEWS b/NEWS index f78758a903..9eb0a10ab6 100644 --- a/NEWS +++ b/NEWS @@ -21,7 +21,7 @@ Version 2.17 14638, 14645, 14648, 14652, 14660, 14661, 14669, 14672, 14683, 14694, 14716, 14719, 14743, 14767, 14783, 14784, 14785, 14793, 14796, 14797, 14801, 14805, 14807, 14809, 14811, 14815, 14821, 14824, 14828, 14831, - 14835, 14838, 14856. + 14835, 14838, 14856, 14866. * Port to ARM AArch64 contributed by Linaro. diff --git a/ports/ChangeLog.arm b/ports/ChangeLog.arm index d060121311..2a56a9f643 100644 --- a/ports/ChangeLog.arm +++ b/ports/ChangeLog.arm @@ -1,3 +1,9 @@ +2012-11-21 Joseph Myers <joseph@codesourcery.com> + + [BZ #14866] + * sysdeps/arm/fesetenv.c (__fesetenv): Test whether bits for + trapping exceptions were successfully set for FE_NOMASK_ENV. + 2012-11-14 Marcus Shawcroft <marcus.shawcroft@linaro.org> * sysdeps/unix/sysv/linux/arm/Makefile (libcrypt-sysdep_routines): Add diff --git a/ports/sysdeps/arm/fesetenv.c b/ports/sysdeps/arm/fesetenv.c index 2fad61da1a..e92f9f5ac8 100644 --- a/ports/sysdeps/arm/fesetenv.c +++ b/ports/sysdeps/arm/fesetenv.c @@ -40,6 +40,16 @@ __fesetenv (const fenv_t *envp) _FPU_SETCW (temp); + if (envp == FE_NOMASK_ENV) + { + /* VFPv3 and VFPv4 do not support trapping exceptions, so + test whether the relevant bits were set and fail if + not. */ + _FPU_GETCW (temp); + if ((temp & _FPU_IEEE) != _FPU_IEEE) + return 1; + } + /* Success. */ return 0; } |