aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gcc.target/spu/tag_manager.c
diff options
context:
space:
mode:
authorBen Cheng <bccheng@google.com>2014-03-26 05:37:19 (GMT)
committerBen Cheng <bccheng@google.com>2014-03-26 05:37:19 (GMT)
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.target/spu/tag_manager.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
downloadtoolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip
toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz
toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/spu/tag_manager.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/spu/tag_manager.c312
1 files changed, 312 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/spu/tag_manager.c b/gcc-4.9/gcc/testsuite/gcc.target/spu/tag_manager.c
new file mode 100644
index 0000000..4b3ab9f
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/spu/tag_manager.c
@@ -0,0 +1,312 @@
+/* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+
+ This file is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at your option)
+ any later version.
+
+ This file 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 General Public License
+ for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this file; see the file COPYING3. If not see
+ <http://www.gnu.org/licenses/>. */
+
+/* { dg-do run } */
+
+#include <spu_mfcio.h>
+#include <stdlib.h>
+
+/* This test directly accesses the internal table used
+ by the MFC tag manager. */
+extern vector unsigned int __mfc_tag_table;
+
+
+/* This tag tests invalid tag release. Invalid tag release does
+ nothing to the tag table. */
+void
+test_tag_release01 (void)
+{
+ unsigned int copy;
+ copy = spu_extract (__mfc_tag_table, 0);
+
+ mfc_tag_release (35);
+ if (copy != spu_extract (__mfc_tag_table, 0))
+ abort ();
+}
+
+/* More invalid release tests. */
+void
+test_tag_release_invalid (void)
+{
+ unsigned int copy;
+ copy = spu_extract (__mfc_tag_table, 0);
+
+ if (mfc_tag_release (32) != MFC_TAG_INVALID)
+ abort ();
+ if (copy != spu_extract (__mfc_tag_table, 0))
+ abort ();
+
+ if (mfc_tag_release (17) != MFC_TAG_INVALID)
+ abort ();
+ if (copy != spu_extract (__mfc_tag_table, 0))
+ abort ();
+}
+
+/* Invalid multiple-tag release tests. */
+void
+test_tag_group_release_invalid (void)
+{
+ unsigned int copy;
+ copy = spu_extract (__mfc_tag_table, 0);
+
+ if (mfc_multi_tag_release (32, 10) != MFC_TAG_INVALID)
+ abort ();
+ if (copy != spu_extract (__mfc_tag_table, 0))
+ abort ();
+
+ if (mfc_multi_tag_release (28, 10) != MFC_TAG_INVALID)
+ abort ();
+ if (copy != spu_extract (__mfc_tag_table, 0))
+ abort ();
+
+ if (mfc_multi_tag_release (17, 10) != MFC_TAG_INVALID)
+ abort ();
+ if (copy != spu_extract (__mfc_tag_table, 0))
+ abort ();
+
+ if (mfc_multi_tag_release (32, 10) != MFC_TAG_INVALID)
+ abort ();
+ if (copy != spu_extract (__mfc_tag_table, 0))
+ abort ();
+}
+
+/* The tag table should be in a pristine mode to run this test. */
+void
+test_tag_reserve01 (void)
+{
+ unsigned int correct_table[32] =
+ {
+ 0x80000000, 0xC0000000, 0xE0000000,
+ 0xF0000000, 0xF8000000, 0xFC000000, 0xFE000000,
+ 0xFF000000, 0xFF800000, 0xFFC00000, 0xFFE00000,
+ 0xFFF00000, 0xFFF80000, 0xFFFC0000, 0xFFFE0000,
+ 0xFFFF0000, 0xFFFF8000, 0xFFFFC000, 0xFFFFE000,
+ 0xFFFFF000, 0xFFFFF800, 0xFFFFFC00, 0xFFFFFE00,
+ 0xFFFFFF00, 0xFFFFFF80, 0xFFFFFFC0, 0xFFFFFFE0,
+ 0xFFFFFFF0, 0xFFFFFFF8, 0xFFFFFFFC, 0xFFFFFFFE,
+ 0xFFFFFFFF
+ };
+
+ unsigned int tag;
+ unsigned int i;
+
+ for (i = 0; i < 32; i++)
+ {
+ tag = mfc_tag_reserve ();
+ if (tag != i)
+ abort ();
+ }
+
+ for (i = 0; i < 32; i++)
+ {
+ tag = mfc_tag_reserve ();
+ if (tag != MFC_TAG_INVALID)
+ abort ();
+ }
+
+ for (i = 0; i < 32; i++)
+ {
+ mfc_tag_release (i);
+ if (spu_extract (__mfc_tag_table, 0) != correct_table[i])
+ abort ();
+ }
+}
+
+/* The tag table should be in a pristine mode to run this test. */
+void
+test_tag_reserve02 (void)
+{
+ unsigned int correct_table[32] =
+ {
+ 0x80000000, 0xC0000000, 0xA0000000, 0xF0000000,
+ 0xA8000000, 0xFC000000, 0xAA000000, 0xFF000000,
+ 0xAA800000, 0xFFC00000, 0xAAA00000, 0xFFF00000,
+ 0xAAA80000, 0xFFFC0000, 0xAAAA0000, 0xFFFF0000,
+ 0xAAAA8000, 0xFFFFC000, 0xAAAAA000, 0xFFFFF000,
+ 0xAAAAA800, 0xFFFFFC00, 0xAAAAAA00, 0xFFFFFF00,
+ 0xAAAAAA80, 0xFFFFFFC0, 0xAAAAAAA0, 0xFFFFFFF0,
+ 0xAAAAAAA8, 0xFFFFFFFC, 0xAAAAAAAA, 0xFFFFFFFF
+ };
+
+ unsigned int correct_table2[32] =
+ {
+ 0x80000000, 0xEAAAAAAA, 0xA0000000, 0xFAAAAAAA,
+ 0xA8000000, 0xFEAAAAAA, 0xAA000000, 0xFFAAAAAA,
+ 0xAA800000, 0xFFEAAAAA, 0xAAA00000, 0xFFFAAAAA,
+ 0xAAA80000, 0xFFFEAAAA, 0xAAAA0000, 0xFFFFAAAA,
+ 0xAAAA8000, 0xFFFFEAAA, 0xAAAAA000, 0xFFFFFAAA,
+ 0xAAAAA800, 0xFFFFFEAA, 0xAAAAAA00, 0xFFFFFFAA,
+ 0xAAAAAA80, 0xFFFFFFEA, 0xAAAAAAA0, 0xFFFFFFFA,
+ 0xAAAAAAA8, 0xFFFFFFFE, 0xAAAAAAAA, 0xFFFFFFFF
+ };
+
+ unsigned int tag;
+ unsigned int i;
+
+ /* Reserve all 32 tags. */
+ for (i = 0; i < 32; i++)
+ {
+ tag = mfc_tag_reserve();
+ if (tag != i)
+ abort ();
+ }
+
+ for (i = 0; i < 32; i++)
+ {
+ tag = mfc_tag_reserve();
+ if (tag != MFC_TAG_INVALID)
+ abort ();
+ }
+
+ /* Release only 16 tags with a stride of 2. */
+ for (i = 0; i < 32; i += 2)
+ {
+ mfc_tag_release (i);
+ if (spu_extract (__mfc_tag_table, 0) != correct_table[i])
+ abort ();
+ }
+
+ /* Release the other 16 tags with a stride of 2. */
+ for (i = 1; i < 32; i += 2)
+ {
+ mfc_tag_release (i);
+ if (spu_extract (__mfc_tag_table, 0) != correct_table2[i])
+ abort ();
+ }
+}
+
+/* The tag table should be in a pristine mode to run this test. */
+void
+test_tag_reserve03 (void)
+{
+ unsigned int tag;
+ unsigned int i;
+
+ /* Reserve all 32 tags. */
+ for (i = 0; i < 32; i++)
+ {
+ tag = mfc_tag_reserve ();
+ if (tag != i)
+ abort ();
+ }
+
+ for (i = 0; i < 32; i++)
+ {
+ tag = mfc_tag_reserve ();
+ if (tag != MFC_TAG_INVALID)
+ abort ();
+ }
+
+ /* Release only 16 tags with a stride of 2. */
+ for (i = 0; i < 32; i += 2)
+ mfc_tag_release (i);
+
+ /* Now let's re-reserve those tags. */
+ for (i = 0; i < 32; i += 2)
+ {
+ tag = mfc_tag_reserve ();
+ if (tag != i)
+ abort ();
+ }
+
+ /* Release all tags. */
+ for (i = 0; i < 32; i++)
+ mfc_tag_release (i);
+
+ if (spu_extract (__mfc_tag_table,0) != 0xFFFFFFFF)
+ abort ();
+}
+
+
+void
+test_tag_group_reserve (void)
+{
+ unsigned int tag;
+ unsigned int i;
+ unsigned int copy;
+
+ /* Reserve all tags. */
+ for (i = 0; i < 32; i++)
+ mfc_tag_reserve();
+
+ /* Release the first 4. */
+ for (i = 0; i < 4; i++)
+ mfc_tag_release (i);
+
+ /* Release tag 5 to 7. */
+ for (i = 5; i < 8; i++)
+ mfc_tag_release (i);
+
+ /* Release tag 9 to 19. */
+ for (i = 9; i < 20; i++)
+ mfc_tag_release (i);
+
+ /* Tag table should be 0xF77FF000. */
+ if (spu_extract (__mfc_tag_table, 0) != 0xF77FF000)
+ abort ();
+
+
+ /* Verify invalid release is detected. */
+ copy = spu_extract (__mfc_tag_table, 0);
+ if (mfc_multi_tag_release (1, 5) != MFC_TAG_INVALID)
+ abort ();
+ if (copy != spu_extract (__mfc_tag_table, 0))
+ abort ();
+
+
+ /* Reserve multiple tags. */
+ tag = mfc_multi_tag_reserve (5);
+ if (tag != 9)
+ abort ();
+
+ /* Tag table should be 0xF703F000. */
+ if (spu_extract (__mfc_tag_table, 0) != 0xF703F000)
+ abort ();
+
+
+ /* Release 5 tags in the group. */
+ mfc_multi_tag_release (tag, 5);
+
+ /* Tag table should be 0xF77FF000. */
+ if (spu_extract (__mfc_tag_table, 0) != 0xF77FF000)
+ abort ();
+
+
+ /* This call should not do anything. */
+ mfc_multi_tag_release (32, 5);
+
+ /* Tag table should be 0xF77FF000. */
+ if (spu_extract (__mfc_tag_table, 0) != 0xF77FF000)
+ abort ();
+}
+
+
+int
+main (void)
+{
+ test_tag_release01 ();
+ test_tag_release_invalid ();
+ test_tag_group_release_invalid ();
+
+ test_tag_reserve01 ();
+ test_tag_reserve02 ();
+ test_tag_reserve03 ();
+
+ test_tag_group_reserve ();
+
+ return 0;
+}
+