Imported Upstream version 4.8.1

[platform/upstream/gcc48.git] / gcc / testsuite / gcc.c-torture / execute / 20101011-1.c

diff --git a/gcc/testsuite/gcc.c-torture/execute/20101011-1.c b/gcc/testsuite/gcc.c-torture/execute/20101011-1.c
index fcf8c07..8d82183 100644 (file)
--- a/gcc/testsuite/gcc.c-torture/execute/20101011-1.c
+++ b/gcc/testsuite/gcc.c-torture/execute/20101011-1.c
@@ -12,12 +12,13 @@
 #elif defined (__sh__)
   /* On SH division by zero does not trap.  */
 # define DO_TEST 0
+#elif defined (__aarch64__) && !defined(__linux__)
+  /* AArch64 divisions do trap by default, but libgloss targets do not
+     intercept the trap and raise a SIGFPE. So restrict the test to
+     AArch64 systems that use the Linux kernel.  */
 #elif defined (__TMS320C6X__)
   /* On TI C6X division by zero does not trap.  */
 # define DO_TEST 0
-#elif defined (__arm__)
- /* We cannot rely on division by zero generating a trap. */
-# define DO_TEST 0
 #elif defined (__mips__) && !defined(__linux__)
   /* MIPS divisions do trap by default, but libgloss targets do not
      intercept the trap and raise a SIGFPE.  The same is probably
@@ -28,10 +29,38 @@
   /* Not all Linux kernels deal correctly the breakpoints generated by
      MIPS16 divisions by zero.  They show up as a SIGTRAP instead.  */
 # define DO_TEST 0
+#elif defined (__MICROBLAZE__)
+/* We cannot rely on division by zero generating a trap. */
+# define DO_TEST 0
 #elif defined (__epiphany__)
   /* Epiphany does not have hardware division, and the software implementation
      has truly undefined behaviour for division by 0.  */
 # define DO_TEST 0
+#elif defined (__m68k__) && !defined(__linux__)
+  /* Attempting to trap division-by-zero in this way isn't likely to work on 
+     bare-metal m68k systems.  */
+# define DO_TEST 0
+#elif defined (__CRIS__)
+  /* No SIGFPE for CRIS integer division.  */
+# define DO_TEST 0
+#elif defined (__arm__) && defined (__ARM_EABI__)
+# ifdef __ARM_ARCH_EXT_IDIV__
+  /* Hardware division instructions may not trap, and handle trapping
+     differently anyway.  Skip the test if we have those instructions.  */
+#  define DO_TEST 0
+# else
+#  include <signal.h>
+  /* ARM division-by-zero behaviour is to call a helper function, which
+     can do several different things, depending on requirements.  Emulate
+     the behaviour of other targets here by raising SIGFPE.  */
+int __attribute__((used))
+__aeabi_idiv0 (int return_value)
+{
+  raise (SIGFPE);
+  return return_value;
+}
+#  define DO_TEST 1
+# endif
 #else
 # define DO_TEST 1
 #endif