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authorAdhemerval Zanella <azanella@linux.vnet.ibm.com>2013-12-03 18:57:37 +0000
committerUlrich Weigand <uweigand@gcc.gnu.org>2013-12-03 18:57:37 +0000
commitb03fb8c9964613f37a05713ee03f4986c1565fb5 (patch)
tree1e3a6f8f58f805342bab310cb7bc975025fe4cb0 /gcc
parentba4fa5819f91c7e82eb08ff33fd61b106715a54e (diff)
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ibm-ldouble.c (__gcc_qadd): Fix add of normal number and qNaN to not raise an inexact exception.
libgcc/ChangeLog: 2013-12-03 Adhemerval Zanella <azanella@linux.vnet.ibm.com> * config/rs6000/ibm-ldouble.c (__gcc_qadd): Fix add of normal number and qNaN to not raise an inexact exception. gcc/testsuite/ChangeLog: 2013-12-03 Adhemerval Zanella <azanella@linux.vnet.ibm.com> * gcc.target/powerpc/pr57363.c: New test. From-SVN: r205645
Diffstat (limited to 'gcc')
-rw-r--r--gcc/testsuite/ChangeLog4
-rw-r--r--gcc/testsuite/gcc.target/powerpc/pr57363.c19
2 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c1a0f54..2fea78d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2013-12-03 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
+
+ * gcc.target/powerpc/pr57363.c: New test.
+
2013-12-03 Wei Mi <wmi@google.com>
PR rtl-optimization/59020
diff --git a/gcc/testsuite/gcc.target/powerpc/pr57363.c b/gcc/testsuite/gcc.target/powerpc/pr57363.c
new file mode 100644
index 0000000..45ea3f3
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pr57363.c
@@ -0,0 +1,19 @@
+/* { dg-do run { target { powerpc*-*-linux* } } } */
+/* { dg-options "-mlong-double-128" } */
+
+/* Check if adding a qNAN and a normal long double does not generate a
+ inexact exception. */
+
+#define _GNU_SOURCE
+#include <fenv.h>
+
+int main(void)
+{
+ double x = __builtin_nan ("");
+ long double y = 1.1L;
+
+ feenableexcept (FE_INEXACT);
+ feclearexcept (FE_ALL_EXCEPT);
+ x = x + y;
+ return fetestexcept(FE_INEXACT);
+}