65e376a721
Otherwise a smaller type may be promoted to int, which can hit undefined
behaviour:
../src/gallium/auxiliary/util/u_half.h:126:29: runtime error: left shift of 32768 by 16 places cannot be represented in type 'int'
#0 0x5646ff63d488 in util_half_to_float ../src/gallium/auxiliary/util/u_half.h:126
#1 0x5646ff63d749 in _mesa_half_to_float ../src/util/half_float.c:145
#2 0x5646ff54d557 in nir_const_value_negative_equal ../src/compiler/nir/nir_instr_set.c:372
#3 0x5646ff44d29a in const_value_negative_equal_test_nir_type_float16_trivially_true_Test::TestBody() ../src/compiler/nir/tests/negative_equal_tests.cpp:121
#4 0x5646ff505c05 in void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) ../src/gtest/src/gtest.cc:2402
#5 0x5646ff4f1513 in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) ../src/gtest/src/gtest.cc:2438
#6 0x5646ff4979b5 in testing::Test::Run() ../src/gtest/src/gtest.cc:2474
#7 0x5646ff49a08e in testing::TestInfo::Run() ../src/gtest/src/gtest.cc:2656
#8 0x5646ff49c81c in testing::TestCase::Run() ../src/gtest/src/gtest.cc:2774
#9 0x5646ff4b81f6 in testing::internal::UnitTestImpl::RunAllTests() ../src/gtest/src/gtest.cc:4649
#10 0x5646ff50981e in bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) ../src/gtest/src/gtest.cc:2402
#11 0x5646ff4f4eeb in bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) ../src/gtest/src/gtest.cc:2438
#12 0x5646ff4af818 in testing::UnitTest::Run() ../src/gtest/src/gtest.cc:4257
#13 0x5646ff52e639 in RUN_ALL_TESTS() ../src/gtest/include/gtest/gtest.h:2233
#14 0x5646ff52e4f9 in main ../src/gtest/src/gtest_main.cc:37
#15 0x7f6bacb78bba in __libc_start_main ../csu/libc-start.c:308
#16 0x5646ff448019 in _start (/home/daenzer/src/mesa-git/mesa/build-amd64-sanitize/src/compiler/nir/negative_equal+0x17c019)
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Adam Jackson <ajax@redhat.com>
`Mesa <https://mesa3d.org>`_ - The 3D Graphics Library ====================================================== Source ------ This repository lives at https://gitlab.freedesktop.org/mesa/mesa. Other repositories are likely forks, and code found there is not supported. Build & install --------------- You can find more information in our documentation (`docs/install.html <https://mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.html <https://mesa3d.org/meson.html>`_): .. code-block:: sh $ mkdir build $ cd build $ meson .. $ sudo ninja install Support ------- Many Mesa devs hang on IRC; if you're not sure which channel is appropriate, you should ask your question on `Freenode's #dri-devel <irc://chat.freenode.net#dri-devel>`_, someone will redirect you if necessary. Remember that not everyone is in the same timezone as you, so it might take a while before someone qualified sees your question. To figure out who you're talking to, or which nick to ping for your question, check out `Who's Who on IRC <https://dri.freedesktop.org/wiki/WhosWho/>`_. The next best option is to ask your question in an email to the mailing lists: `mesa-dev\@lists.freedesktop.org <https://lists.freedesktop.org/mailman/listinfo/mesa-dev>`_ Bug reports ----------- If you think something isn't working properly, please file a bug report (`docs/bugs.html <https://mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.html <https://mesa3d.org/submittingpatches.html>`_). Note that Mesa uses email mailing-lists for patches submission, review and discussions.