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Clang inline-asm parser does not allow using "$r0" in
movfcsr2gr/movgr2fcsr, so everything using _FPU_{GET,SET}CW is now
failing to build with Clang on LoongArch. As we now requires Binutils
>= 2.41 which supports using "$fcsr0" here, use it instead of "$r0" to
fix the issue.
Link: https://github.com/loongson-community/discussions/issues/53#issuecomment-2081507390
Link: https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=4142b2368353
Signed-off-by: Xi Ruoyao <xry111@xry111.site>
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A space is added before the left bracket of the x86_64 elf_machine_rela
function, in order to harmonize with the rest of the implementation of
the function and to make it easier to retrieve the function. The lines
where the function definition is located has been re-indented, as well
as its left curly bracket placed in the correct position.
Signed-off-by: Xin Wang <yw987194828@gmail.com>
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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This patch disables Intel Xeon Phi tests for GCC 15 and above.
GCC 15 removed Intel Xeon Phi ISA support.
commit e1a7e2c54d52d0ba374735e285b617af44841ace
Author: Haochen Jiang <haochen.jiang@intel.com>
Date: Mon May 20 10:43:44 2024 +0800
i386: Remove Xeon Phi ISA support
Fixes BZ 31782.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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Because difftime's behavior depends on the floating-point environment,
the function is pure, not const (BZ 31802).
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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pidfd_getpid.c has
/* Ignore invalid large values. */
if (INT_MULTIPLY_WRAPV (10, n, &n)
|| INT_ADD_WRAPV (n, *l++ - '0', &n))
return -1;
For GCC older than GCC 7, INT_ADD_WRAPV(a, b, r) is defined as
_GL_INT_OP_WRAPV (a, b, r, +, _GL_INT_ADD_RANGE_OVERFLOW)
and *l++ - '0' is evaluated twice. Fix BZ #31798 by moving "l++" out of
the if statement. Tested with GCC 6.4 and GCC 14.1.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Put each item on a separate line and sort PIE tests.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
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This reverts commit 30a745450e01e4c6f484dc691c16a54a6ea72288.
On ppc64le, without <stdio.h>, vfscanf is used and with <stdio.h>
__isoc23_vfscanfieee128 is used. I am reverting this since it doesn't
work on all targets.
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Put each item on a separate line and sort libnldbl-calls.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
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Add a test for fscanf of long double without including <stdio.h>.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>
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Remove $(objpfx)test-nldbl-redirect-static checked in by accident.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
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Put each test on a separate line and sort tests.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
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Needed due to:
"Implement C23 log2p1"
commit ID 79c52daf4740b00bef43e4f5a4281b3480459b38
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The powerpc32 have an extra versionsort provided by LFS
versionsort64.o. It seems that 5226a81f5517bcbc892679cca792006a6bafc53f
used the wrong check to create the alias for the LFS to non-LFS version.
It should not matter for _DIRENT_MATCHES_DIRENT64 since both symbols
have the same implementation.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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This patch updates the kernel version in the tests tst-mman-consts.py
and tst-mount-consts.py to 6.9. (There are no new constants covered
by these tests in 6.9 that need any other header changes;
tst-pidfd-consts.py was updated separately along with adding new
constants relevant to that test.)
Tested with build-many-glibcs.py.
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Resolves: BZ # 21271
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The libc.a for alpha, s390, and sparcv9 does not provide
copysignf64x, copysignf128, frexpf64x, frexpf128, modff64x, and
modff128.
Checked with a static build for the affected ABIs.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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The function that work with 'struct utmp32' and 'struct utmpx32'
are only for compat symbols.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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microblaze does not export it in libc.so nor the kernel provides the
cacheflush syscall.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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Both the generic and POWER6 versions provide definitions of the
symbol, which are already provided by the ifunc resolver.
Checked on powerpc-linux-gnu-power4.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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For powerpc64 the generic version provides a weak definition of
strchrnul, which are already provided by the ifunc resolver. The
powerpc32 version is slight different, where for static case there
is no iFUNC support.
The strncasecmp_l is provided ifunc resolver.
Checked on powerpc-linux-gnu-power4 and powerpc64-linux-gnu.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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The generic version provides weak definitions of strnlen,
which are already provided by the ifunc resolver.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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The generic version provides weak definitions of memchr/strlen,
which are already provided by the ifunc resolvers.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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Linux 6.9 adds some more PIDFD_* constants. Add them to glibc's
sys/pidfd.h, including updating comments that said FLAGS was reserved
and must be 0, along with updating tst-pidfd-consts.py.
Tested with build-many-glibcs.py.
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libc.so doesn't use nor export write_profiling functions. There is no
point to define them in libc.so nor in libc.a. Fix BZ #31756 by defining
them only in profile library.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Don't provide __nexttowardf128_do_not_use, nexttowardf128_do_not_use,
finitef128_do_not_use, isinff128_do_not_use and isnanf128_do_not_use.
This fixes BZ #31757.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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scalb is a deprecated interface which was obsolescent in POSIX.1-2001,
removed in POSIX.1-2008, never made to C standard. significant was
originally from BSD and never made in any standard. Fix BZ #31760 by
not providing _FloatN aliases for them.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Some static implementation of float128 routines might call __isnanf128,
which is not provided by the static object.
Checked on x86_64-linux-gnu.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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It basically copy the already in place rules for dynamic tests for
auto-generated math functions for all support types. To avoid the
need to duplicate .inc files, a .SECONDEXPANSION rules is adeed for
the gen-libm-test.py generation.
New tests are added on the new rules 'libm-test-funcs-auto-static',
'libm-test-funcs-noauto-static', and 'libm-test-funcs-narrow-static';
similar to the non-static counterparts.
To avoid add extra build and disk requirement, the new math static
tests are only enable with a new define 'build-math-static-tests'.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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Since Glibc never provides symbol binary compatibility for relocatable
files, fix BZ #31766 by changing _IO_stderr_/_IO_stdin_/_IO_stdout to
compat symbols.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>
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There is no _dl_mcount_wrapper prototype in any installed header files.
Fix BZ #31765 by changing _dl_mcount_wrapper to a compat symbol and
obsolete it in glibc 2.40.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>
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The commit 08ddd26814 removed the static exp10 on i386 and m68k with an
empty w_exp10.c (required for the ABIs that uses the newly
implementation). This patch fixes by adding the required symbols on the
arch-specific w_exp{f}_compat.c implementation.
Checked on i686-linux-gnu and with a build for m68k-linux-gnu.
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
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The commit 16439f419b removed the static fmod/fmodf on i386 and m68k
with and empty w_fmod.c (required for the ABIs that uses the newly
implementation). This patch fixes by adding the required symbols on
the arch-specific w_fmod{f}_compat.c implementation.
To statically build fmod fails on some ABI (alpha, s390, sparc) because
it does not export the ldexpf128, this is also fixed by this patch.
Checked on i686-linux-gnu and with a build for m68k-linux-gnu.
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
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clone3 isn't exported from glibc and is hidden in libc.so. Fix BZ #31770
by removing clone3 alias.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Plus a small amount of moving includes around in order to be able to
remove duplicate definition of asuint64.
Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
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Rounding intrinsics may not be inlined without
-fno-math-errno. libmvec is free to do what it
likes with errno, so disable it for better
performance.
Tested with no regression on aarch64 and x86_64.
Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
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For decimal exponent bounds the range is inclusive, for binary exponent
bounds the range is exclusive.
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For the log2p1 implementation.
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Add -mno-lsx to tst-gnu2-tlsmod*.c if gcc support -mno-lsx.
Add escape character '\' in vector support test function.
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_res_opcodes was exported by accident as a variable. Fix BZ #31764 by
making _res_opcodes a compat symbol.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>
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Fix BZ #31768 by not defining stpncpy alias when used in IFUNC.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>
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For the log2p1 implementation.
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For the log2p1 implementation.
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For the log2p1 implementation.
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Add start and end indicators that identify the test being run in the
verbose output. Better identify the tests for max errors in the
summary output. Count each exception checked for each test. Remove
double counting of tests for the check_<type> functions other than
check_float_internal. Rename print_max_error and
print_complex_max_error to check_max_error and check_complex_max_error
respectively since they have side effects.
Co-Authored-By: Carlos O'Donell <carlos@redhat.com>
Reviewed-By: Joseph Myers <josmyers@redhat.com>
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C23 adds various <math.h> function families originally defined in TS
18661-4. Add the log2p1 functions (log2(1+x): like log1p, but for
base-2 logarithms).
This illustrates the intended structure of implementations of all
these function families: define them initially with a type-generic
template implementation. If someone wishes to add type-specific
implementations, it is likely such implementations can be both faster
and more accurate than the type-generic one and can then override it
for types for which they are implemented (adding benchmarks would be
desirable in such cases to demonstrate that a new implementation is
indeed faster).
The test inputs are copied from those for log1p. Note that these
changes make gen-auto-libm-tests depend on MPFR 4.2 (or later).
The bulk of the changes are fairly generic for any such new function.
(sysdeps/powerpc/nofpu/Makefile only needs changing for those
type-generic templates that use fabs.)
Tested for x86_64 and x86, and with build-many-glibcs.py.
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Linux 6.9 has no new syscalls. Update the version number in
syscall-names.list to reflect that it is still current for 6.9.
Tested with build-many-glibcs.py.
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Fix BZ #31755 by renaming the internal function procutils_read_file to
__libc_procutils_read_file.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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