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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-mul64.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-mul64.c')
-rw-r--r--tests/unit/test-mul64.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/tests/unit/test-mul64.c b/tests/unit/test-mul64.c
new file mode 100644
index 0000000000..9be775d084
--- /dev/null
+++ b/tests/unit/test-mul64.c
@@ -0,0 +1,68 @@
+/*
+ * Test 64x64 -> 128 multiply subroutines
+ *
+ * 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/host-utils.h"
+
+
+typedef struct {
+    uint64_t a, b;
+    uint64_t rh, rl;
+} Test;
+
+static const Test test_u_data[] = {
+    { 1, 1, 0, 1 },
+    { 10000, 10000, 0, 100000000 },
+    { 0xffffffffffffffffULL, 2, 1, 0xfffffffffffffffeULL },
+    { 0xffffffffffffffffULL, 0xffffffffffffffffULL,
+      0xfffffffffffffffeULL, 0x0000000000000001ULL },
+    { 0x1122334455667788ull, 0x8877665544332211ull,
+      0x092228fb777ae38full, 0x0a3e963337c60008ull },
+};
+
+static const Test test_s_data[] = {
+    { 1, 1, 0, 1 },
+    { 1, -1, -1, -1 },
+    { -10, -10, 0, 100 },
+    { 10000, 10000, 0, 100000000 },
+    { -1, 2, -1, -2 },
+    { 0x1122334455667788ULL, 0x1122334455667788ULL,
+      0x01258f60bbc2975cULL, 0x1eace4a3c82fb840ULL },
+};
+
+static void test_u(void)
+{
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(test_u_data); ++i) {
+        uint64_t rl, rh;
+        mulu64(&rl, &rh, test_u_data[i].a, test_u_data[i].b);
+        g_assert_cmpuint(rl, ==, test_u_data[i].rl);
+        g_assert_cmpuint(rh, ==, test_u_data[i].rh);
+    }
+}
+
+static void test_s(void)
+{
+    int i;
+
+    for (i = 0; i < ARRAY_SIZE(test_s_data); ++i) {
+        uint64_t rl, rh;
+        muls64(&rl, &rh, test_s_data[i].a, test_s_data[i].b);
+        g_assert_cmpuint(rl, ==, test_s_data[i].rl);
+        g_assert_cmpint(rh, ==, test_s_data[i].rh);
+    }
+}
+
+int main(int argc, char **argv)
+{
+    g_test_init(&argc, &argv, NULL);
+    g_test_add_func("/host-utils/mulu64", test_u);
+    g_test_add_func("/host-utils/muls64", test_s);
+    return g_test_run();
+}