1 files changed, 96 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/x86_64/multiarch/test-multiarch.c b/REORG.TODO/sysdeps/x86_64/multiarch/test-multiarch.c
new file mode 100644
index 0000000000..597d64e1e8
--- /dev/null
+++ b/REORG.TODO/sysdeps/x86_64/multiarch/test-multiarch.c
@@ -0,0 +1,96 @@
+/* Test CPU feature data.
+   This file is part of the GNU C Library.
+   Copyright (C) 2012-2017 Free Software Foundation, Inc.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <cpu-features.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static char *cpu_flags;
+
+/* Search for flags in /proc/cpuinfo and store line
+   in cpu_flags.  */
+void
+get_cpuinfo (void)
+{
+  FILE *f;
+  char *line = NULL;
+  size_t len = 0;
+  ssize_t read;
+
+  f = fopen ("/proc/cpuinfo", "r");
+  if (f == NULL)
+    {
+      printf ("cannot open /proc/cpuinfo\n");
+      exit (1);
+    }
+
+  while ((read = getline (&line, &len, f)) != -1)
+    {
+      if (strncmp (line, "flags", 5) == 0)
+       {
+         cpu_flags = strdup (line);
+         break;
+       }
+    }
+  fclose (f);
+  free (line);
+}
+
+int
+check_proc (const char *proc_name, int flag, const char *name)
+{
+  int found = 0;
+
+  printf ("Checking %s:\n", name);
+  printf ("  init-arch %d\n", flag);
+  if (strstr (cpu_flags, proc_name) != NULL)
+    found = 1;
+  printf ("  cpuinfo (%s) %d\n", proc_name, found);
+
+  if (found != flag)
+    printf (" *** failure ***\n");
+
+  return (found != flag);
+}
+
+static int
+do_test (int argc, char **argv)
+{
+  int fails;
+
+  get_cpuinfo ();
+  fails = check_proc ("avx", HAS_ARCH_FEATURE (AVX_Usable),
+		      "HAS_ARCH_FEATURE (AVX_Usable)");
+  fails += check_proc ("fma4", HAS_ARCH_FEATURE (FMA4_Usable),
+		       "HAS_ARCH_FEATURE (FMA4_Usable)");
+  fails += check_proc ("sse4_2", HAS_CPU_FEATURE (SSE4_2),
+		       "HAS_CPU_FEATURE (SSE4_2)");
+  fails += check_proc ("sse4_1", HAS_CPU_FEATURE (SSE4_1)
+		       , "HAS_CPU_FEATURE (SSE4_1)");
+  fails += check_proc ("ssse3", HAS_CPU_FEATURE (SSSE3),
+		       "HAS_CPU_FEATURE (SSSE3)");
+  fails += check_proc ("popcnt", HAS_CPU_FEATURE (POPCOUNT),
+		       "HAS_CPU_FEATURE (POPCOUNT)");
+
+  printf ("%d differences between /proc/cpuinfo and glibc code.\n", fails);
+
+  return (fails != 0);
+}
+
+#include "../../../test-skeleton.c"