Test 64-byte alignment in memset benchtest

Add 64-byte alignment tests in memset benchtest for 64-byte vector
registers.

	* benchtests/bench-memset.c (do_test): Support 64-byte
	alignment.
	(test_main): Test 64-byte alignment.

diff --git a/ChangeLog b/ChangeLog
index 160777ad656d2b703e3fd8846eb7416f01f4f0f4..fc86116912484f4ff703fa08b0c26b620fafab59 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2016-04-01   H.J. Lu  <hongjiu.lu@intel.com>
+
+       * benchtests/bench-memset.c (do_test): Support 64-byte
+       alignment.
+       (test_main): Test 64-byte alignment.
+
 2016-04-01   H.J. Lu  <hongjiu.lu@intel.com>
 
        * benchtests/bench-memmove.c (test_main): Test 64-byte

diff --git a/benchtests/bench-memset.c b/benchtests/bench-memset.c
index 6d3218a122141078afc2569d710c1131229cc83c..98ec257b3ee49b1e3d551b3c5a936c0bd808b364 100644 (file)
--- a/benchtests/bench-memset.c
+++ b/benchtests/bench-memset.c
@@ -134,7 +134,7 @@ do_one_test (impl_t *impl, CHAR *s, int c __attribute ((unused)), size_t n)
 static void
 do_test (size_t align, int c, size_t len)
 {
-  align &= 7;
+  align &= 63;
   if ((align + len) * sizeof (CHAR) > page_size)
     return;
 
@@ -181,6 +181,11 @@ test_main (void)
       do_test (4, c, 64);
       do_test (2, c, 25);
     }
+  for (i = 33; i <= 256; i += 4)
+    {
+      do_test (0, c, 32 * i);
+      do_test (i, c, 32 * i);
+    }
 
   return ret;
 }