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* tests/fp/platform.h: include config-host.hEmilio G. Cota2019-01-221-0/+1
| | | | | | | | | | | We get HOST_WORDS_BIGENDIAN from config-host.h, but the include is missing. Fix it. This fixes `make check-softfloat' on big endian hosts. Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
* fp-test: fix signature of slow_clear_flags and qemu_clear_flagsEmilio G. Cota2019-01-221-2/+2
| | | | | | | To match the type in testfloat. Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
* tests/fp/Makefile: do not use gcc-only -W flagsEmilio G. Cota2019-01-221-2/+1Star
| | | | | | | The build now completes in both gcc and clang. Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
* berkeley-testfloat-3: pull changesEmilio G. Cota2019-01-221-0/+0
| | | | | | | - fail: constify fail_programName Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
* fp-bench: remove wrong exponent raise in fill_randomEmilio G. Cota2019-01-221-4/+0Star
| | | | | | | | | | | At this point random_ops[] only contains normals, so there's no need to do anything to them. In fact, raising the exponent here can make the output !normal, which is precisely what the comment says we want to avoid. Signed-off-by: Emilio G. Cota <cota@braap.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
* fp-bench: fix update_random_opsEmilio G. Cota2019-01-221-3/+8
| | | | | | | | | | The second test in the branches is wrong; fix while converting to a switch statement, which is easier to get right. Signed-off-by: Emilio G. Cota <cota@braap.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
* Clean up includesMarkus Armbruster2018-12-201-1/+0Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clean up includes so that osdep.h is included first and headers which it implies are not included manually. This commit was created with scripts/clean-includes, with the changes to the following files manually reverted: contrib/libvhost-user/libvhost-user-glib.h contrib/libvhost-user/libvhost-user.c contrib/libvhost-user/libvhost-user.h linux-user/mips64/cpu_loop.c linux-user/mips64/signal.c linux-user/sparc64/cpu_loop.c linux-user/sparc64/signal.c linux-user/x86_64/cpu_loop.c linux-user/x86_64/signal.c target/s390x/gen-features.c tests/migration/s390x/a-b-bios.c tests/test-rcu-simpleq.c tests/test-rcu-tailq.c Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20181204172535.2799-1-armbru@redhat.com> Acked-by: Eduardo Habkost <ehabkost@redhat.com> Acked-by: Halil Pasic <pasic@linux.ibm.com> Acked-by: Yuval Shaia <yuval.shaia@oracle.com> Acked-by: Viktor Prutyanov <viktor.prutyanov@phystech.edu>
* tests/fp: add fp-benchEmilio G. Cota2018-12-173-1/+635
| | | | | | | | | | | These microbenchmarks will allow us to measure the performance impact of FP emulation optimizations. Note that we can measure both directly the impact on the softfloat functions (with "-t soft"), or the impact on an emulated workload (call with "-t host" and run under qemu user-mode). Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
* fp-test: pick TARGET_ARM to get its specializationEmilio G. Cota2018-12-171-0/+3
| | | | | | | | | | | | | | | | | | | This gets rid of the muladd errors due to not raising the invalid flag. - Before: Errors found in f64_mulAdd, rounding near_even, tininess before rounding: +000.0000000000000 +7FF.0000000000000 +7FF.FFFFFFFFFFFFF => +7FF.FFFFFFFFFFFFF ..... expected -7FF.FFFFFFFFFFFFF v.... [...] - After: In 6133248 tests, no errors found in f64_mulAdd, rounding near_even, tininess before rounding. [...] Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Tested-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
* tests/fp/fp-test: add floating point testsEmilio G. Cota2018-10-055-0/+2284
| | | | | | | | | | | | | | | | | | | | | | | | | By leveraging berkeley's softfloat and testfloat. With this we get decent coverage of softfloat.c: $ ./fp-test -r even: 67.22% coverage $ ./fp-test -r all: 73.11% coverage Note that we do not yet test parts of softfloat.c that aren't in the original softfloat library, namely: - denormal inputs - *_to_int16/uint16 conversions - scalbn for fixed point - muladd variants - min/max - exp2 - log2 - float*_compare (except float16_compare) Signed-off-by: Emilio G. Cota <cota@braap.org> [rth: Add the new modules to git_submodules.] Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* gitmodules: add berkeley's softfloat + testfloat version 3Emilio G. Cota2018-10-052-0/+0
These are BSD-licensed so we can add them as submodules. Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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