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Remove the finite-math tests from the testsuite - these are no longer
useful after removing math-finite.h header.
Passes buildmanyglibc, build&test on x86_64 and AArch64.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:
sed -ri '
s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
$(find $(git ls-files) -prune -type f \
! -name '*.po' \
! -name 'ChangeLog*' \
! -path COPYING ! -path COPYING.LIB \
! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
! -path manual/texinfo.tex ! -path scripts/config.guess \
! -path scripts/config.sub ! -path scripts/install-sh \
! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
! -path INSTALL ! -path locale/programs/charmap-kw.h \
! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
! '(' -name configure \
-execdir test -f configure.ac -o -f configure.in ';' ')' \
! '(' -name preconfigure \
-execdir test -f preconfigure.ac ';' ')' \
-print)
and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:
chmod a+x sysdeps/unix/sysv/linux/riscv/configure
# Omit irrelevant whitespace and comment-only changes,
# perhaps from a slightly-different Autoconf version.
git checkout -f \
sysdeps/csky/configure \
sysdeps/hppa/configure \
sysdeps/riscv/configure \
sysdeps/unix/sysv/linux/csky/configure
# Omit changes that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
git checkout -f \
sysdeps/powerpc/powerpc64/ppc-mcount.S \
sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
# Omit change that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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The libm vector tests disable tests of exception raising via defining
macros EXCEPTION_TESTS_float and EXCEPTION_TESTS_double to 0 in the
headers for individual vector lengths.
As EXCEPTION_TESTS is used in code in libm-test-driver.c that is
otherwise ready to be built only once per type, this is not a good
idea; it's better to define TEST_EXCEPTIONS appropriately so that
flag_test_exceptions then gets initialized appropriately.
Furthermore, it's better to do this just once, in test-math-vector.h,
since there is no actual dependence on the vector length or type.
This patch duly makes that change.
Tested for x86_64.
* math/test-math-finite.h (TEST_EXCEPTIONS): New macro.
* math/test-math-no-finite.h (TEST_EXCEPTIONS): Likewise.
* math/test-math-vector.h (TEST_EXCEPTIONS): Likewise.
* math/test-math-no-inline.h (TEST_EXCEPTIONS): Remove macro.
* math/test-double-vlen2.h (EXCEPTION_TESTS_double): Likewise.
* math/test-double-vlen4.h (EXCEPTION_TESTS_double): Likewise.
* math/test-double-vlen8.h (EXCEPTION_TESTS_double): Likewise.
* math/test-float-vlen4.h (EXCEPTION_TESTS_float): Likewise.
* math/test-float-vlen8.h (EXCEPTION_TESTS_float): Likewise.
* math/test-float-vlen16.h (EXCEPTION_TESTS_float): Likewise.
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This patch arranges for the libm-test tests to be run for the
finite-math-only function variants, in addition to the existing runs
for out-of-line and bits/mathinline.h inline variants.
gen-libm-test.pl is made to add a flag to all tests with non-finite
inputs or outputs so that they can be skipped at runtime when the
finite-math-only variants are being tested (skipping is for all
rounding modes; that is, -ffinite-math-only is being treated as
excluding overflow cases even when the rounding mode is such that the
overflowed result is finite). errno setting is not tested for these
variants (in general they don't set it, and it's
implementation-defined in ISO C whether it's set on underflow, with
the glibc definition being that it may not be for -ffinite-math-only;
other cases where errno would normally be expected to be set are
mostly excluded as having non-finite or overflowing arguments or
results).
As with the inline function tests, these ones are built with
-D__FINITE_MATH_ONLY=1 to select the function variants, rather than
-ffinite-math-only. Use of -ffinite-math-only would not be suitable
for these tests because it would also affect libm-test.inc code that
e.g. tests whether results are infinities or NaNs - if these function
variants have bugs that incorrectly produce such results, we want them
to show up in the tests, which means the compiler should not be
optimizing the tests on the basis of results being finite.
The finite-math-only functions share the same ulps settings as the
main out-of-line functions.
These interfaces were one significant group of untested ABIs listed at
<https://sourceware.org/ml/libc-alpha/2013-07/msg00386.html>. I
haven't rerun the script to list untested interfaces, but I expect
that the vast bulk of interfaces there are still untested and could do
with testcases being added (or, if applicable, being made compat
symbols; in general, most symbols not starting '_' are safe bets to
add tests for, while _* need more investigation of what the actual
public API is, if any). I'd like to encourage people to help reduce
the accumulation of untested interfaces by adding more tests.
Tested for x86_64 and x86. Given my recent lgamma/gamma and log*
fixes, the new tests pass (before those fixes, the new tests showed up
those bugs, so illustrating the practical utility of having tests for
these function variants).
* math/libm-test.inc (NON_FINITE): New macro.
(enable_test): Do not run tests flagged NON_FINITE if TEST_FINITE.
* math/gen-libm-test.pl (show_exceptions): Add argument
$non_finite.
(parse_args): Update call to show_exceptions.
* math/test-math-finite.h: New file.
* math/test-math-no-finite.h: Likewise.
* math/test-double-finite.c: Likewise.
* math/test-float-finite.c: Likewise.
* math/test-ldouble-finite.c: Likewise.
* math/test-double.c: Include "test-math-no-finite.h".
* math/test-float.c: Include "test-math-no-finite.h".
* math/test-ldouble.c: Include "test-math-no-finite.h".
* math/test-math-inline.h (TEST_FINITE): New macro.
* math/test-math-vector.h (TEST_FINITE): Likewise.
* math/Makefile (test-longdouble-yes): Add test-ldouble-finite.
(libm-tests): Add test-float-finite and test-double-finite.
($(objpfx)test-float-finite.o): New dependency on
$(objpfx)libm-test.stmp.
($(objpfx)test-double-finite.o): Likewise.
($(objpfx)test-ldouble-finite.o): Likewise.
(libm-test-no-inline-cflags): New variable.
(libm-test-finite-cflags): Likewise.
(CFLAGS-test-float-finite.c): Likewise.
(CFLAGS-test-double-finite.c): Likewise.
(CFLAGS-test-ldouble-finite.c): Likewise.
(CFLAGS-test-float.c): Use $(libm-test-no-inline-cflags).
(CFLAGS-test-double.c): Likewise.
(CFLAGS-test-ldouble.c): Likewise.
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