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| author | Peter Maydell <peter.maydell@linaro.org> | 2021-03-14 15:13:53 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-03-14 15:13:53 +0000 |
| commit | 757acb9a8295e8be4a37b2cfc1cd947e357fd29c (patch) | |
| tree | 881fdcb812a8b8d067d5cb59832b3bb31ce9bcf9 /tests/unit/test-mul64.c | |
| parent | 6f8a81fc296535f73c48cf9563862e088cc71c57 (diff) | |
| parent | 33bf47291ed575847d7de26b503c50e72f5aa6c3 (diff) | |
| download | focaccia-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.c | 68 |
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(); +} |