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With tilepro support removal we can now simplify internal tile support by
moving the directory structure to avoid the unnecessary directory levels
in tile/tilegx both on generic and linux folders.
Checked with a build for tilegx-linux-gnu and tilegx-linux-gnu-32 with
and without the patch, there is no difference in generated binary with
a dissassemble.
* stdlib/bug-getcontext.c (do_test): Remove tilepro mention in
comment.
* sysdeps/tile/preconfigure: Remove tilegx folder.
* sysdeps/tile/tilegx/Implies: Move definitions to ...
* sysdeps/tile/Implies: ... here.
* sysdeps/tile/tilegx/Makefile: Move rules to ...
* sysdeps/tile/Makefile: ... here.
* sysdeps/tile/tilegx/atomic-machine.h: Move definitions to ...
* sysdeps/tile/atomic-machine.h: ... here. Add include guards.
* sysdeps/tile/tilegx/bits/wordsize.h: Move to ...
* sysdeps/tile/bits/wordsize.h: ... here.
* sysdeps/tile/tilegx/*: Move to ...
* sysdeps/tile/*: ... here.
* sysdeps/tile/tilegx/tilegx32/Implies: Move to ...
* sysdeps/tile/tilegx32/Implies: ... here.
* sysdeps/tile/tilegx/tilegx64/Implies: Move to ...
* sysdeps/tile/tilegx64/Implies: ... here.
* sysdeps/unix/sysv/linux/tile/tilegx/Makefile: Move definitions
to ...
* sysdeps/unix/sysv/linux/tile/Makefile: ... here.
* sysdeps/unix/sysv/linux/tile/tilegx/*: Move to ...
* sysdeps/unix/sysv/linux/tile/*: ... here.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/*: Move to ...
* sysdeps/unix/sysv/linux/tile/tilegx32/*: ... here.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/*: Move to ...
* sysdeps/unix/sysv/linux/tile/tilegx64/*: ... here.
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Quite a few tests include libc-internal.h just for the DIAG_* macros.
Split those macros to their own file, which can be included safely in
_ISOMAC mode. I also moved ignore_value, since it seems logically
related, even though I didn't notice any tests needing it.
Also add -Wnonnull suppressions to two tests that _should_ have them,
but the error is masked when compiling against internal headers.
* include/libc-diag.h: New file. Define ignore_value,
DIAG_PUSH_NEEDS_COMMENT, DIAG_POP_NEEDS_COMMENT,
DIAG_IGNORE_NEEDS_COMMENT, and DIAG_IGNORE_Os_NEEDS_COMMENT here.
* include/libc-internal.h: Definitions of above macros moved from
here. Include libc-diag.h. Add copyright notice.
* malloc/tst-malloc.c, malloc/tst-memcheck.c, malloc/tst-realloc.c
* misc/tst-error1.c, posix/tst-dir.c, stdio-common/bug21.c
* stdio-common/scanf14.c, stdio-common/scanf4.c, stdio-common/scanf7.c
* stdio-common/test-vfprintf.c, stdio-common/tst-printf.c
* stdio-common/tst-printfsz.c, stdio-common/tst-sprintf.c
* stdio-common/tst-unlockedio.c, stdio-common/tstdiomisc.c
* stdlib/bug-getcontext.c, string/tester.c, string/tst-endian.c
* time/tst-strptime2.c, wcsmbs/tst-wcstof.c:
Include libc-diag.h instead of libc-internal.h.
* stdlib/tst-environ.c: Include libc-diag.h. Suppress -Wnonnull for
call to unsetenv (NULL).
* nptl/tst-mutex1.c: Include libc-diag.h. Suppress -Wnonnull for
call to pthread_mutexattr_destroy (NULL).
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Doing all-ABIs compile testing produces a compiler warning in
stdlib/bug-getcontext.c on nios2 and tilepro (with GCC 5 branch):
bug-getcontext.c: In function 'do_test':
bug-getcontext.c:53:6: error: 'except_mask' may be used uninitialized in this function [-Werror=maybe-uninitialized]
if (mask != except_mask)
^
This warning appears nonsensical; except_mask is initialized where
it's declared. I think what must be happening here is that the
compiler is confused by the returns-twice nature of getcontext: if
there were a call to setcontext, local variables could indeed have
lost their values on the second return from getcontext. This patch
duly uses the DIAG_* macros to disable the warning here.
Tested for nios2 and tilepro (compilation only; after this patch all
the tests compile, though there are other failures) and x86_64 (full
testsuite run).
* stdlib/bug-getcontext.c: Include <libc-internal.h>.
(do_test): Disable -Wmaybe-uninitialized around uses of
except_mask.
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For some tests, just claim that fetestexcept() always returns true,
so the rest of the test can be compiled.
For libm-test, provide known bogus values for unsupported rounding
modes, so fesetround() will return failure.
Elsewhere, just add some #ifdefs to avoid code that uses particular
FP exceptions if the exceptions aren't supported.
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fnstenv on x86-64 seems to clear the state. Work around.
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