2008-05-17 Basile Starynkevitch <basile@starynkevitch.net>

	MELT branch merged with trunk r135459



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@135460 138bc75d-0d04-0410-961f-82ee72b054a4

4 files changed, 121 insertions, 0 deletions

diff --git a/libgomp/testsuite/lib/libgomp.exp b/libgomp/testsuite/lib/libgomp.exp
index 2e9f9d8a726..274ee17f0a7 100644
--- a/libgomp/testsuite/lib/libgomp.exp
+++ b/libgomp/testsuite/lib/libgomp.exp
@@ -21,6 +21,7 @@ load_gcc_lib prune.exp
 load_gcc_lib target-libpath.exp
 load_gcc_lib wrapper.exp
 load_gcc_lib gcc-defs.exp
+load_gcc_lib torture-options.exp
 load_gcc_lib gcc-dg.exp
 load_gcc_lib gfortran-dg.exp
 
diff --git a/libgomp/testsuite/libgomp.c/atomic-5.c b/libgomp/testsuite/libgomp.c/atomic-5.c
new file mode 100644
index 00000000000..3b4b0f11d64
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/atomic-5.c
@@ -0,0 +1,40 @@
+/* PR middle-end/36106 */
+/* { dg-options "-O2" } */
+/* { dg-options "-O2 -mcx16" { target { { i?86-*-* x86_64-*-* } && lp64 } } } */
+
+#ifdef __x86_64__
+# include "../../../gcc/config/i386/cpuid.h"
+#endif
+
+extern void abort (void);
+
+int __attribute__((noinline))
+do_test (void)
+{
+  long double d = .0L;
+  int i;
+  #pragma omp parallel for shared (d)
+    for (i = 0; i < 10; i++)
+      #pragma omp atomic
+	d += 1.0L;
+  if (d != 10.0L)
+    abort ();
+  return 0;
+}
+
+int
+main (void)
+{
+#ifdef __x86_64__
+  unsigned int eax, ebx, ecx, edx;
+
+  if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx))
+    return 0;
+
+  if (ecx & bit_CMPXCHG16B)
+    do_test ();
+#else
+  do_test ();
+#endif
+  return 0;
+}
diff --git a/libgomp/testsuite/libgomp.c/atomic-6.c b/libgomp/testsuite/libgomp.c/atomic-6.c
new file mode 100644
index 00000000000..949fc3d73da
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/atomic-6.c
@@ -0,0 +1,36 @@
+/* PR middle-end/36106 */
+/* { dg-options "-O2" } */
+/* { dg-options "-O2 -march=i586" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+
+#ifdef __i386__
+# include "../../../gcc/config/i386/cpuid.h"
+#endif
+
+extern void abort (void);
+
+union { unsigned long long l; double d; } u = { .l = 0x7ff0000000072301ULL };
+
+int __attribute__((noinline))
+do_test (void)
+{
+#pragma omp atomic
+  u.d += 1.0L;
+  return 0;
+}
+
+int
+main (void)
+{
+#ifdef __i386__
+  unsigned int eax, ebx, ecx, edx;
+
+  if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx))
+    return 0;
+
+  if (edx & bit_CMPXCHG8B)
+    do_test ();
+#else
+  do_test ();
+#endif
+  return 0;
+}
diff --git a/libgomp/testsuite/libgomp.c/autopar-1.c b/libgomp/testsuite/libgomp.c/autopar-1.c
new file mode 100644
index 00000000000..e56549b4845
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/autopar-1.c
@@ -0,0 +1,44 @@
+/* { dg-do run } */
+/* { dg-options "-ftree-parallelize-loops=4 -O2 -ffast-math" } */
+
+extern void abort (void);
+
+double d[1024], e[1024];
+int f[1024], g[1024];
+
+double __attribute__((noinline))
+foo (void)
+{
+  double s = 0.0;
+  int i;
+  for (i = 0; i < 1024; i++)
+    s += d[i] - e[i];
+  return s;
+}
+
+int __attribute__((noinline))
+bar (void)
+{
+  int s = 0, i;
+  for (i = 0; i < 1024; i++)
+    s += f[i] - g[i];
+  return s;
+}
+
+int
+main (void)
+{
+  int i;
+  for (i = 0; i < 1024; i++)
+    {
+      d[i] = i * 2;
+      e[i] = i;
+      f[i] = i * 2;
+      g[i] = i;
+    }
+  if (foo () != 1023 * 1024 / 2)
+    abort ();
+  if (bar () != 1023 * 1024 / 2)
+    abort ();
+  return 0;
+}