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GNU C Library master sources branch master updated. glibc-2.16-ports-merge-746-gad35f2d
- From: jsm28 at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 21 Nov 2012 20:27:33 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.16-ports-merge-746-gad35f2d
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http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=ad35f2dd750ed3e3f483409ef50b38ea19745002
commit ad35f2dd750ed3e3f483409ef50b38ea19745002
Author: Joseph Myers <joseph@codesourcery.com>
Date: Wed Nov 21 20:26:56 2012 +0000
Make ARM fesetenv (FE_NOMASK_ENV) detect failure (bug 14866).
diff --git a/NEWS b/NEWS
index f78758a..9eb0a10 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 d060121..2a56a9f 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 2fad61d..e92f9f5 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;
}
-----------------------------------------------------------------------
Summary of changes:
NEWS | 2 +-
ports/ChangeLog.arm | 6 ++++++
ports/sysdeps/arm/fesetenv.c | 10 ++++++++++
3 files changed, 17 insertions(+), 1 deletions(-)
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