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authorPeter Maydell <peter.maydell@linaro.org>2021-03-14 15:13:53 +0000
committerPeter Maydell <peter.maydell@linaro.org>2021-03-14 15:13:53 +0000
commit757acb9a8295e8be4a37b2cfc1cd947e357fd29c (patch)
tree881fdcb812a8b8d067d5cb59832b3bb31ce9bcf9 /tests/unit/test-bitops.c
parent6f8a81fc296535f73c48cf9563862e088cc71c57 (diff)
parent33bf47291ed575847d7de26b503c50e72f5aa6c3 (diff)
downloadfocaccia-qemu-757acb9a8295e8be4a37b2cfc1cd947e357fd29c.tar.gz
focaccia-qemu-757acb9a8295e8be4a37b2cfc1cd947e357fd29c.zip
Merge remote-tracking branch 'remotes/thuth-gitlab/tags/pull-request-2021-03-12' into staging
* Move unit and bench tests into separate directories
* Clean-up and improve gitlab-ci jobs
* Drop the non-working "check-speed" makefile target
* Minor documentation updates

# gpg: Signature made Fri 12 Mar 2021 17:18:45 GMT
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/thuth-gitlab/tags/pull-request-2021-03-12:
  README: Add Documentation blurb
  MAINTAINERS: Merge the Gitlab-CI section into the generic CI section
  tests: remove "make check-speed" in favor of "make bench"
  gitlab-ci.yml: Merge check-crypto-old jobs into the build-crypto-old jobs
  gitlab-ci.yml: Merge one of the coroutine jobs with the tcg-disabled job
  gitlab-ci.yml: Add some missing dependencies to the jobs
  gitlab-ci.yml: Move build-tools-and-docs-debian to a better place
  tests: Move benchmarks into a separate folder
  tests: Move unit tests into a separate directory

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'tests/unit/test-bitops.c')
-rw-r--r--tests/unit/test-bitops.c146
1 files changed, 146 insertions, 0 deletions
diff --git a/tests/unit/test-bitops.c b/tests/unit/test-bitops.c
new file mode 100644
index 0000000000..5a791d2e17
--- /dev/null
+++ b/tests/unit/test-bitops.c
@@ -0,0 +1,146 @@
+/*
+ * Test bitops routines
+ *
+ * This work is licensed under the terms of the GNU LGPL, version 2 or later.
+ * See the COPYING.LIB file in the top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/bitops.h"
+
+typedef struct {
+    uint32_t value;
+    int start;
+    int length;
+    int32_t result;
+} S32Test;
+
+typedef struct {
+    uint64_t value;
+    int start;
+    int length;
+    int64_t result;
+} S64Test;
+
+static const S32Test test_s32_data[] = {
+    { 0x38463983, 4, 4, -8 },
+    { 0x38463983, 12, 8, 0x63 },
+    { 0x38463983, 0, 32, 0x38463983 },
+};
+
+static const S64Test test_s64_data[] = {
+    { 0x8459826734967223ULL, 60, 4, -8 },
+    { 0x8459826734967223ULL, 0, 64, 0x8459826734967223LL },
+};
+
+static void test_sextract32(void)
+{
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(test_s32_data); i++) {
+        const S32Test *test = &test_s32_data[i];
+        int32_t r = sextract32(test->value, test->start, test->length);
+
+        g_assert_cmpint(r, ==, test->result);
+    }
+}
+
+static void test_sextract64(void)
+{
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(test_s32_data); i++) {
+        const S32Test *test = &test_s32_data[i];
+        int64_t r = sextract64(test->value, test->start, test->length);
+
+        g_assert_cmpint(r, ==, test->result);
+    }
+
+    for (i = 0; i < ARRAY_SIZE(test_s64_data); i++) {
+        const S64Test *test = &test_s64_data[i];
+        int64_t r = sextract64(test->value, test->start, test->length);
+
+        g_assert_cmpint(r, ==, test->result);
+    }
+}
+
+typedef struct {
+    uint32_t unshuffled;
+    uint32_t shuffled;
+} Shuffle32Test;
+
+typedef struct {
+    uint64_t unshuffled;
+    uint64_t shuffled;
+} Shuffle64Test;
+
+static const Shuffle32Test test_shuffle32_data[] = {
+    { 0x0000FFFF, 0x55555555 },
+    { 0x000081C5, 0x40015011 },
+};
+
+static const Shuffle64Test test_shuffle64_data[] = {
+    { 0x00000000FFFFFFFFULL, 0x5555555555555555ULL },
+    { 0x00000000493AB02CULL, 0x1041054445000450ULL },
+};
+
+static void test_half_shuffle32(void)
+{
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(test_shuffle32_data); i++) {
+        const Shuffle32Test *test = &test_shuffle32_data[i];
+        uint32_t r = half_shuffle32(test->unshuffled);
+
+        g_assert_cmpint(r, ==, test->shuffled);
+    }
+}
+
+static void test_half_shuffle64(void)
+{
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(test_shuffle64_data); i++) {
+        const Shuffle64Test *test = &test_shuffle64_data[i];
+        uint64_t r = half_shuffle64(test->unshuffled);
+
+        g_assert_cmpint(r, ==, test->shuffled);
+    }
+}
+
+static void test_half_unshuffle32(void)
+{
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(test_shuffle32_data); i++) {
+        const Shuffle32Test *test = &test_shuffle32_data[i];
+        uint32_t r = half_unshuffle32(test->shuffled);
+
+        g_assert_cmpint(r, ==, test->unshuffled);
+    }
+}
+
+static void test_half_unshuffle64(void)
+{
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(test_shuffle64_data); i++) {
+        const Shuffle64Test *test = &test_shuffle64_data[i];
+        uint64_t r = half_unshuffle64(test->shuffled);
+
+        g_assert_cmpint(r, ==, test->unshuffled);
+    }
+}
+
+int main(int argc, char **argv)
+{
+    g_test_init(&argc, &argv, NULL);
+    g_test_add_func("/bitops/sextract32", test_sextract32);
+    g_test_add_func("/bitops/sextract64", test_sextract64);
+    g_test_add_func("/bitops/half_shuffle32", test_half_shuffle32);
+    g_test_add_func("/bitops/half_shuffle64", test_half_shuffle64);
+    g_test_add_func("/bitops/half_unshuffle32", test_half_unshuffle32);
+    g_test_add_func("/bitops/half_unshuffle64", test_half_unshuffle64);
+    return g_test_run();
+}