Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 54 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/g++.dg/eh/ppc64-sighandle-cr.C b/gcc-4.9/gcc/testsuite/g++.dg/eh/ppc64-sighandle-cr.C
new file mode 100644
index 000000000..325617360
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/eh/ppc64-sighandle-cr.C
@@ -0,0 +1,54 @@
+// { dg-do run { target { powerpc64*-*-linux* } } }
+// { dg-options "-fexceptions -fnon-call-exceptions" }
+
+#include <signal.h>
+#include <stdlib.h>
+#include <fenv.h>
+
+#define SET_CR(R,V) __asm__ __volatile__ ("mtcrf %0,%1" : : "n" (1<<(7-R)), "r" (V<<(4*(7-R))) : "cr" #R)
+#define GET_CR(R) ({ int tmp; __asm__ __volatile__ ("mfcr %0" : "=r" (tmp)); (tmp >> 4*(7-R)) & 15; })
+
+void sighandler (int signo, siginfo_t * si, void * uc)
+{
+  SET_CR(2, 3);
+  SET_CR(3, 2);
+  SET_CR(4, 1);
+
+  throw 0;
+}
+
+float test (float a, float b) __attribute__ ((__noinline__));
+float test (float a, float b)
+{
+  float x;
+  asm ("mtcrf %1,%2" : "=f" (x) : "n" (1 << (7-3)), "r" (0), "0" (b) : "cr3");
+  return a / x;
+}
+
+int main ()
+{
+  struct sigaction sa;
+  int status;
+
+  sa.sa_sigaction = sighandler;
+  sa.sa_flags = SA_SIGINFO;
+
+  status = sigaction (SIGFPE, & sa, NULL);
+
+  feenableexcept (FE_DIVBYZERO);
+
+  SET_CR(2, 6);
+  SET_CR(3, 9);
+  SET_CR(4, 12);
+
+  try {
+    test (1, 0);
+  }
+  catch (...) {
+    return GET_CR(2) != 6 || GET_CR(3) != 9 || GET_CR(4) != 12;
+  }
+
+  return 1;
+}
+
+