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authorBen Cheng <bccheng@google.com>2014-03-26 05:37:19 (GMT)
committerBen Cheng <bccheng@google.com>2014-03-26 05:37:19 (GMT)
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.target/i386/980211-1.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/980211-1.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/980211-1.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/980211-1.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/980211-1.c
new file mode 100644
index 0000000..ad6312b
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/980211-1.c
@@ -0,0 +1,29 @@
+/* Test long double on x86 and x86-64. */
+
+/* { dg-do run } */
+/* { dg-options -O2 } */
+
+extern void abort (void);
+
+__inline int
+__signbitl0 (long double __x)
+{
+ union { long double __l; int __i[3]; } __u = { __l: __x };
+
+ return (__u.__i[2] & 0x8000) != 0;
+}
+
+void
+foo (long double x, long double y)
+{
+ long double z = x / y;
+ if (__signbitl0 (x) && __signbitl0 (z))
+ abort ();
+}
+
+int main()
+{
+ if (sizeof (long double) > sizeof (double))
+ foo (-0.0, -1.0);
+ return 0;
+}