| Commit message (Collapse) | Author | Age | Files | Lines |
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Commit 6b1df8b27f fixed the -OS build issue on i386 (BZ#20729) by
expliciting disabling frame pointer (-fomit-frame-pointer) on the
faulty objects. Although it does fix the issue, it is a subpar
workaround that adds complexity in build process (a rule for each
object to add the required compiler option and pontentially more
rules for objects that call {INLINE,INTERNAL}_SYSCALL) and does not
allow the implementations to get all the possible debug/calltrack
information possible (used mainly in debuggers and performance
measurement tools).
This patch fixes it by adding an explicit configure check to see
if -fno-omit-frame-pointer is set and to act accordingly (set or
not OPTIMIZE_FOR_GCC_5). The make rules is simplified and only
one is required: to add libc-do-syscall on loader due mmap
(which will be empty anyway for default build with
-fomit-frame-pointer).
Checked on i386-linux-gnu with GCC 6.2.1 with CFLAGS sets as
'-Os', '-O2 -fno-omit-frame-pointer', and '-O2 -fomit-frame-pointer'.
For '-Os' the testsuite issues described by BZ#19463 and BZ#15105
still applied.
It fixes BZ #21029, although it is marked as duplicated of #20729
(I reopened to track this cleanup).
[BZ #21029]
* config.h.in [CAN_USE_REGISTER_ASM_EBP]: New define.
* sysdeps/unix/sysv/linux/i386/Makefile
[$(subdir) = elf] (sysdep-dl-routines): Add libc-do-syscall.
(uses-6-syscall-arguments): Remove.
[$(subdir) = misc] (CFLAGS-epoll_pwait.o): Likewise.
[$(subdir) = misc] (CFLAGS-epoll_pwait.os): Likewise.
[$(subdir) = misc] (CFLAGS-mmap.o): Likewise.
[$(subdir) = misc] (CFLAGS-mmap.os): Likewise.
[$(subdir) = misc] (CFLAGS-mmap64.o): Likewise.
[$(subdir) = misc] (CFLAGS-mmap64.os): Likewise.
[$(subdir) = misc] (CFLAGS-pselect.o): Likewise.
[$(subdir) = misc] (cflags-pselect.o): Likewise.
[$(subdir) = misc] (cflags-pselect.os): Likewise.
[$(subdir) = misc] (cflags-rtld-mmap.os): Likewise.
[$(subdir) = sysvipc] (cflags-semtimedop.o): Likewise.
[$(subdir) = sysvipc] (cflags-semtimedop.os): Likewise.
[$(subdir) = io] (CFLAGS-posix_fadvise64.o): Likewise.
[$(subdir) = io] (CFLAGS-posix_fadvise64.os): Likewise.
[$(subdir) = io] (CFLAGS-posix_fallocate.o): Likewise.
[$(subdir) = io] (CFLAGS-posix_fallocate.os): Likewise.
[$(subdir) = io] (CFLAGS-posix_fallocate64.o): Likewise.
[$(subdir) = io] (CFLAGS-posix_fallocate64.os): Likewise.
[$(subdir) = io] (CFLAGS-sync_file_range.o): Likewise.
[$(subdir) = io] (CFLAGS-sync_file_range.os): Likewise.
[$(subdir) = io] (CFLAGS-fallocate.o): Likewise.
[$(subdir) = io] (CFLAGS-fallocate.os): Likewise.
[$(subdir) = io] (CFLAGS-fallocate64.o): Likewise.
[$(subdir) = io] (CFLAGS-fallocate64.os): Likewise.
[$(subdir) = nptl] (CFLAGS-pthread_rwlock_timedrdlock.o):
Likewise.
[$(subdir) = nptl] (CFLAGS-pthread_rwlock_timedrdlock.os):
Likewise.
[$(subdir) = nptl] (CFLAGS-pthread_rwlock_timedrwlock.o):
Likewise.
[$(subdir) = nptl] (CFLAGS-pthread_rwlock_timedrwlock.os):
Likewise.
[$(subdir) = nptl] (CFLAGS-sem_wait.o): Likewise.
[$(subdir) = nptl] (CFLAGS-sem_wait.os): Likewise.
[$(subdir) = nptl] (CFLAGS-sem_timedwait.o): Likewise.
[$(subdir) = nptl] (CFLAGS-sem_timedwait.os): Likewise.
* sysdeps/unix/sysv/linux/i386/configure.ac: Add check if compiler allows
ebp on inline assembly.
* sysdeps/unix/sysv/linux/i386/configure: Regenerate.
* sysdeps/unix/sysv/linux/i386/sysdep.h (OPTIMIZE_FOR_GCC_5):
Set if CAN_USE_REGISTER_ASM_EBP is set.
(check_consistency): Likewise.
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* sysdeps/x86/cpu-features.c (init_cpu_features): Use
index_cpu_RTM and reg_RTM to clear the bit_cpu_RTM bit.
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This patch moves tests of catan and catanh with finite inputs (other
than the divide-by-zero cases producing an exact infinity) to using
the auto-libm-test machinery. Each of auto-libm-test-out-catan and
auto-libm-test-out-catanh takes about three seconds to generate on my
system (so in fact it wasn't necessary after all to defer the move to
auto-libm-test-* until the output files were split up by function).
Tested for x86_64 and x86 and ulps updated accordingly.
* math/auto-libm-test-in: Add tests of catan and catanh.
* math/auto-libm-test-out-catan: New generated file.
* math/auto-libm-test-out-catanh: Likewise.
* math/libm-test-catan.inc (catan_test_data): Use AUTO_TESTS_c_c.
Move tests with finite inputs, except divide-by-zero cases, to
auto-libm-test-in.
* math/libm-test-catanh.inc (catanh_test_data): Likewise.
* math/Makefile (libm-test-funcs-auto): Add catan and catanh.
(libm-test-funcs-noauto): Remove catan and catanh.
* sysdeps/i386/fpu/libm-test-ulps: Update.
* sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise.
* sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
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This patch moves tests of casin and casinh with finite inputs to using
the auto-libm-test machinery. Each of auto-libm-test-out-casin and
auto-libm-test-out-casinh takes about 38 minutes to generate on my
system because of MPC slowness on special cases that appear in the
tests (with MPC 1.0.3; I don't know to what extent current MPC master
might speed it up).
Tested for x86_64 and x86 and ulps updated accordingly.
* math/auto-libm-test-in: Add tests of casin and casinh.
* math/auto-libm-test-out-casin: New generated file.
* math/auto-libm-test-out-casinh: Likewise.
* math/libm-test-casin.inc (casin_test_data): Use AUTO_TESTS_c_c.
Move tests with finite inputs to auto-libm-test-in.
* math/libm-test-casinh.inc (casinh_test_data): Likewise.
* math/Makefile (libm-test-funcs-auto): Add casin and casinh.
(libm-test-funcs-noauto): Remove casin and casinh.
* sysdeps/i386/fpu/libm-test-ulps: Update.
* sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise.
* sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
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This patch moves tests of cacos and cacosh with finite inputs to using
the auto-libm-test machinery. Each of auto-libm-test-out-cacos and
auto-libm-test-out-cacosh takes about 80 minutes to generate on my
system because of MPC slowness on special cases that appear in the
tests (with MPC 1.0.3; I don't know to what extent current MPC master
might speed it up).
Tested for x86_64 and x86 and ulps updated accordingly.
* math/auto-libm-test-in: Add tests of cacos and cacosh.
* math/auto-libm-test-out-cacos: New generated file.
* math/auto-libm-test-out-cacosh: Likewise.
* math/libm-test-cacos.inc (cacos_test_data): Use AUTO_TESTS_c_c.
Move tests with finite inputs to auto-libm-test-in.
* math/libm-test-cacosh.inc (cacosh_test_data): Likewise.
* math/Makefile (libm-test-funcs-auto): Add cacos and cacosh.
(libm-test-funcs-noauto): Remove cacos and cacosh.
* sysdeps/i386/fpu/libm-test-ulps: Update.
* sysdeps/i386/i686/fpu/multiarch/libm-test-ulps: Likewise.
* sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
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Revert:
2017-02-16 Zack Weinberg <zackw@panix.com>
* sysdeps/x86_64/fpu/math-tests-arch.h: Include cpu-features.h.
Don't include init-arch.h.
* sysdeps/x86_64/multiarch/test-multiarch.h: Include cpu-features.h.
Don't include init-arch.h.
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lgamma(-x) should return +Inf and raise divide-by-zero.
log10(+-0) and log2(+-0) should return -Inf and raise divide-by-zero.
Tested on powerpc, powerpc64, powerpc64le and x86_64.
[BZ #21171]
* sysdeps/ieee754/dbl-64/e_lgamma_r.c (__ieee754_lgamma_r): Return
+Inf and raise divide-by-zero when x is negative.
* sysdeps/ieee754/flt-32/e_lgammaf_r.c (__ieee754_lgammaf_r): Likewise.
* sysdeps/ieee754/ldbl-128/e_lgammal_r.c (__ieee754_lgammal_r): Likewise.
* sysdeps/ieee754/dbl-64/e_log10.c (__ieee754_log10): Return
-Inf and raise divide-by-zero when x = +-0.
* sysdeps/ieee754/dbl-64/e_log2.c (__ieee754_log2): Likewise.
* sysdeps/ieee754/flt-32/e_log10f.c (__ieee754_log10f): Likewise.
* sysdeps/ieee754/flt-32/e_log2f.c (__ieee754_log2f): Likewise.
* sysdeps/ieee754/ldbl-128/e_log10l.c (__ieee754_log10l): Likewise.
* sysdeps/ieee754/ldbl-128/e_log2l.c (__ieee754_log2l): Likewise.
* sysdeps/ieee754/ldbl-128ibm/e_log10l.c (__ieee754_log10l): Likewise.
* sysdeps/ieee754/ldbl-128ibm/e_log2l.c (__ieee754_log2l): Likewise.
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The 'bot-cycle' action for build-many-glibcs is a convenient way to
not have to remember all the steps in keeping a many-glibcs tree up
to date ... or it would be, if the script could send mail _optionally_.
Make it so by skipping the mail step if mail isn't configured.
* scripts/build-many-glibcs.py (bot_build_mail): If the
bot_config does not contain all of the necessary email-
related settings, just print a warning and continue.
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* crypt/md5.h: Test _LIBC with #if defined, not #if.
* dirent/opendir-tst1.c: Include sys/stat.h.
* dirent/tst-fdopendir.c: Include sys/stat.h.
* dirent/tst-fdopendir2.c: Include stdlib.h.
* dirent/tst-scandir.c: Include stdbool.h.
* elf/tst-auditmod1.c: Include link.h and stddef.h.
* elf/tst-tls15.c: Include stdlib.h.
* elf/tst-tls16.c: Include stdlib.h.
* elf/tst-tls17.c: Include stdlib.h.
* elf/tst-tls18.c: Include stdlib.h.
* iconv/tst-iconv6.c: Include endian.h.
* iconvdata/bug-iconv11.c: Include limits.h.
* io/test-utime.c: Include stdint.h.
* io/tst-faccessat.c: Include sys/stat.h.
* io/tst-fchmodat.c: Include sys/stat.h.
* io/tst-fchownat.c: Include sys/stat.h.
* io/tst-fstatat.c: Include sys/stat.h.
* io/tst-futimesat.c: Include sys/stat.h.
* io/tst-linkat.c: Include sys/stat.h.
* io/tst-mkdirat.c: Include sys/stat.h and stdbool.h.
* io/tst-mkfifoat.c: Include sys/stat.h and stdbool.h.
* io/tst-mknodat.c: Include sys/stat.h and stdbool.h.
* io/tst-openat.c: Include stdbool.h.
* io/tst-readlinkat.c: Include sys/stat.h.
* io/tst-renameat.c: Include sys/stat.h.
* io/tst-symlinkat.c: Include sys/stat.h.
* io/tst-unlinkat.c: Include stdbool.h.
* libio/bug-memstream1.c: Include stdlib.h.
* libio/bug-wmemstream1.c: Include stdlib.h.
* libio/tst-fwrite-error.c: Include stdlib.h.
* libio/tst-memstream1.c: Include stdlib.h.
* libio/tst-memstream2.c: Include stdlib.h.
* libio/tst-memstream3.c: Include stdlib.h.
* malloc/tst-interpose-aux.c: Include stdint.h.
* misc/tst-preadvwritev-common.c: Include sys/stat.h.
* nptl/tst-basic7.c: Include limits.h.
* nptl/tst-cancel25.c: Include pthread.h, not pthreadP.h.
* nptl/tst-cancel4.c: Include stddef.h, limits.h, and sys/stat.h.
* nptl/tst-cancel4_1.c: Include stddef.h.
* nptl/tst-cancel4_2.c: Include stddef.h.
* nptl/tst-cond16.c: Include limits.h.
Use sysconf(_SC_PAGESIZE) instead of __getpagesize.
* nptl/tst-cond18.c: Include limits.h.
Use sysconf(_SC_PAGESIZE) instead of __getpagesize.
* nptl/tst-cond4.c: Include stdint.h.
* nptl/tst-cond6.c: Include stdint.h.
* nptl/tst-stack2.c: Include limits.h.
* nptl/tst-stackguard1.c: Include stddef.h.
* nptl/tst-tls4.c: Include stdint.h. Don't include tls.h.
* nptl/tst-tls4moda.c: Include stddef.h.
Don't include stdio.h, unistd.h, or tls.h.
* nptl/tst-tls4modb.c: Include stddef.h.
Don't include stdio.h, unistd.h, or tls.h.
* nptl/tst-tls5.h: Include stddef.h. Don't include stdlib.h or tls.h.
* posix/tst-getaddrinfo2.c: Include stdio.h.
* posix/tst-getaddrinfo5.c: Include stdio.h.
* posix/tst-pathconf.c: Include sys/stat.h.
* posix/tst-posix_fadvise-common.c: Include stdint.h.
* posix/tst-preadwrite-common.c: Include sys/stat.h.
* posix/tst-regex.c: Include stdint.h.
Don't include spawn.h or spawn_int.h.
* posix/tst-regexloc.c: Don't include spawn.h or spawn_int.h.
* posix/tst-vfork3.c: Include sys/stat.h.
* resolv/tst-bug18665-tcp.c: Include stdlib.h.
* resolv/tst-res_hconf_reorder.c: Include stdlib.h.
* resolv/tst-resolv-search.c: Include stdlib.h.
* stdio-common/tst-fmemopen2.c: Include stdint.h.
* stdio-common/tst-vfprintf-width-prec.c: Include stdlib.h.
* stdlib/test-canon.c: Include sys/stat.h.
* stdlib/tst-tls-atexit.c: Include stdbool.h.
* string/test-memchr.c: Include stdint.h.
* string/tst-cmp.c: Include stdint.h.
* sysdeps/pthread/tst-timer.c: Include stdint.h.
* sysdeps/unix/sysv/linux/tst-sync_file_range.c: Include stdint.h.
* sysdeps/wordsize-64/tst-writev.c: Include limits.h and stdint.h.
* sysdeps/x86_64/fpu/math-tests-arch.h: Include cpu-features.h.
Don't include init-arch.h.
* sysdeps/x86_64/multiarch/test-multiarch.h: Include cpu-features.h.
Don't include init-arch.h.
* sysdeps/x86_64/tst-auditmod10b.c: Include link.h and stddef.h.
* sysdeps/x86_64/tst-auditmod3b.c: Include link.h and stddef.h.
* sysdeps/x86_64/tst-auditmod4b.c: Include link.h and stddef.h.
* sysdeps/x86_64/tst-auditmod5b.c: Include link.h and stddef.h.
* sysdeps/x86_64/tst-auditmod6b.c: Include link.h and stddef.h.
* sysdeps/x86_64/tst-auditmod6c.c: Include link.h and stddef.h.
* sysdeps/x86_64/tst-auditmod7b.c: Include link.h and stddef.h.
* time/clocktest.c: Include stdint.h.
* time/tst-posixtz.c: Include stdint.h.
* timezone/tst-timezone.c: Include stdint.h.
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* string/string.h [__USE_MISC]: Include strings.h.
(__bzero, bcmp, bcopy, bzero, index, rindex)
(strcasecmp, strncasecmp, strcasecmp_l, strncasecmp_l)
(ffs, ffsl, ffsll): Don't declare.
* string/strings.h: Do not suppress the file if string.h has
already been included.
(bcmp, bcopy, bzero, strcasecmp, strncasecmp): Add __nonnull
annotations.
(index, rindex): Define inline forwarders even if
__CORRECT_ISO_CPP_STRING_H_PROTO is defined.
(ffs): Use __attribute_const__.
(ffsl, ffsll): Declare here.
(strcasecmp_l, strncasecmp_l): Correct comments; these functions
have now been standardized.
* include/string.h (__bzero): Declare here.
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bits/types.h has no sysdeps variants, so it should be in the
subdirectory that installs it (namely, posix).
* bits/types.h: Move to posix/bits.
* include/bits/types.h: New wrapper.
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optimization seems unlikely to ever be useful, but if it occurs in
real code it should be added to GCC. Expanding strcmp of small strings
does appear useful (benchmarking shows it is 2-3x faster), so this would
be useful to implement in GCC (PR 78809).
* string/bits/string2.h (strcmp): Remove define.
(__strcmp_cg): Likewise.
(strncmp): Likewise.
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in several C++ debug tests when any of the functions it declares are called.
The best option would be to not use internal headers for tests (unless
explicitly needed). Add guards so that it is safe to use include/string.h from
C++.
* include/string.h: Add __cplusplus check.
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The Bessel functions of the second type (Yn) should raise the "divide
by zero" exception when input is zero (both positive and negative).
Current code gives the right output, but fails to set the exception.
This error is exposed for float, double, and long double when linking
with -lieee. Without this flag, the error is not exposed, because the
wrappers for these functions, which use __kernel_standard
functionality, set the exception as expected.
Tested for powerpc64le.
[BZ #21134]
* sysdeps/ieee754/dbl-64/e_j0.c (__ieee754_y0): Raise the
"divide by zero" exception when the input is zero.
* sysdeps/ieee754/dbl-64/e_j1.c (__ieee754_y1): Likewise.
* sysdeps/ieee754/flt-32/e_j0f.c (__ieee754_y0f): Likewise.
* sysdeps/ieee754/flt-32/e_j1f.c (__ieee754_y1f): Likewise.
* sysdeps/ieee754/ldbl-128/e_j0l.c (__ieee754_y0l): Likewise.
* sysdeps/ieee754/ldbl-128/e_j1l.c (__ieee754_y1l): Likewise.
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The libmvec tests put substantive, architecture-specific contents in
.c files such as test-double-vlen4.c, so making those files
architecture-specific and causing issues for generating such files
automatically when splitting up tests by function.
This patch moves all the substantive contents to .h files, so the .c
files only include the .h file and then libm-test.c. This allows for
automatic generation of per-function .c files in future. The .h files
in turn #include or #include_next the architecture-independent file
and add the architecture-specific definitions to that. (Splitting by
function should in fact allow the TEST_VECTOR_* macros to be replaced
by sysdeps makefile information on which functions to test in each
case, removing the need for gen-libm-have-vector-test.sh as well as
removing the need for some of the architecture-specific headers.)
Tested for x86_64.
* sysdeps/x86_64/fpu/test-double-vlen2.c: Move most contents to,
and include ...
* sysdeps/x86_64/fpu/test-double-vlen2.h: ... here. New file.
* sysdeps/x86_64/fpu/test-double-vlen4-avx2.c: Move most contents
to, and include ...
* sysdeps/x86_64/fpu/test-double-vlen4-avx2.h: ... here. New
file.
* sysdeps/x86_64/fpu/test-double-vlen4.c: Move most contents to,
and include ...
* sysdeps/x86_64/fpu/test-double-vlen4.h: ... here. New file.
* sysdeps/x86_64/fpu/test-double-vlen8.c: Move most contents to,
and include ...
* sysdeps/x86_64/fpu/test-double-vlen8.h: ... here. New file.
* sysdeps/x86_64/fpu/test-float-vlen16.c: Move most contents to,
and include ...
* sysdeps/x86_64/fpu/test-float-vlen16.h: ... here. New file.
* sysdeps/x86_64/fpu/test-float-vlen4.c: Move most contents to,
and include ...
* sysdeps/x86_64/fpu/test-float-vlen4.h: ... here. New file.
* sysdeps/x86_64/fpu/test-float-vlen8-avx2.c: Move most contents
to, and include ...
* sysdeps/x86_64/fpu/test-float-vlen8-avx2.h: ... here. New file.
* sysdeps/x86_64/fpu/test-float-vlen8.c: Move most contents to,
and include ...
* sysdeps/x86_64/fpu/test-float-vlen8.h: ... here. New file.
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libmvec tests involve calling INIT_ARCH_EXT during initialization then
CHECK_ARCH_EXT before testing each function to see if the processor
being used for testing supports the required instruction set
extensions.
After my refactoring of libm-test infrastructure, the INIT_ARCH_EXT
call is in libm-test-support.c, built only once per floating-point
type. Now, in fact all definitions of this macro are empty, but given
that the definitions in sysdeps/x86_64/fpu/math-tests-arch.h are
conditional on REQUIRE_* macros defined in particular vector tests, it
seems more correct for the INIT_ARCH_EXT call to go instead in
libm-test-driver.c which gets built separately with those REQUIRE_*
macros properly defined. This patch moves the call there.
Tested for x86_64 and x86.
* math/libm-test-support.h: Do not include <math-tests-arch.h>
here.
* math/libm-test-support.c (libm_test_init): Do not call
INIT_ARCH_EXT here.
* math/libm-test-driver.c: Include <math-tests-arch.h>.
(main): Call INIT_ARCH_EXT.
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The Bessel functions of the second type (Yn) are not defined for
negative input and should return NAN with the "invalid" exception
raised, in these cases. However, current code checks for infinity and
return zero, regardless of the sign. This error is exposed for long
double when linking with -lieee. Without this flag, the error is not
exposed, because the wrappers for these functions, which use
__kernel_standard functionality, return the correct value.
Tested for powerpc64le.
[BZ #21130]
* sysdeps/ieee754/ldbl-128/e_j0l.c (__ieee754_y0l): Return NAN
with the "invalid" exception raised when x is -Inf.
* sysdeps/ieee754/ldbl-128/e_j1l.c (__ieee754_y1l): Likewise.
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This is transformed into rawmemchr by the bits/string2.h header.
However this is generally slower than strlen on most targets, even when
an optimized rawmemchr implementation exists. Since GCC7 optimizes
strchr (s, '\0') to strlen (s) + s, the GLIBC headers should not
transform this to rawmemchr. As GCC recognizes strchr as a builtin,
defining strchr as the builtin is not useful.
* string/bits/string2.h (strchr): Remove define.
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On x86-64, _dl_runtime_resolve must preserve the first 8 vector
registers. Add 3 _dl_runtime_resolve tests to verify that SSE,
AVX and AVX512 registers are preserved.
* sysdeps/x86_64/Makefile (tests): Add tst-sse, tst-avx and
tst-avx512.
(test-extras): Add tst-avx-aux and tst-avx512-aux.
(extra-test-objs): Add tst-avx-aux.o and tst-avx512-aux.o.
(modules-names): Add tst-ssemod, tst-avxmod and tst-avx512mod.
($(objpfx)tst-sse): New rule.
($(objpfx)tst-avx): Likewise.
($(objpfx)tst-avx512): Likewise.
(CFLAGS-tst-avx-aux.c): New.
(CFLAGS-tst-avxmod.c): Likewise.
(CFLAGS-tst-avx512-aux.c): Likewise.
(CFLAGS-tst-avx512mod.c): Likewise.
* sysdeps/x86_64/tst-avx-aux.c: New file.
* sysdeps/x86_64/tst-avx.c: Likewise.
* sysdeps/x86_64/tst-avx512-aux.c: Likewise.
* sysdeps/x86_64/tst-avx512.c: Likewise.
* sysdeps/x86_64/tst-avx512mod.c: Likewise.
* sysdeps/x86_64/tst-avxmod.c: Likewise.
* sysdeps/x86_64/tst-sse.c: Likewise.
* sysdeps/x86_64/tst-ssemod.c: Likewise.
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When I moved tests of csin and csinh to auto-libm-test-in, I didn't
move a few tests for which gen-auto-libm-tests was very slow because
of MPC slowness on certain inputs.
Now that auto-libm-test-out has been split up, such slowness only
affects regenerating the test expectations for the individual
functions in question, rather than any addition of tests for any
function to auto-libm-test-in. Thus, I no longer consider it a
problem to have these inputs in auto-libm-test-in, and this patch
moves them there. This results in test generation for csin and csinh
taking 5m43s (for each of csin and csinh) on my system, while other
functions are unaffected.
I expect the test generation to be much faster in MPC 1.1 (the
relevant performance improvements went in MPC mainline in Dec 2013,
but there hasn't been a release from mainline since then).
Tested for x86_64 and x86.
* math/auto-libm-test-in: Add more tests of csin and csinh.
* math/auto-libm-test-out-csin: Regenerated.
* math/auto-libm-test-out-csinh: Likewise.
* math/libm-test-csin.inc (csin_test_data): Remove tests moved to
auto-libm-test-in.
* math/libm-test-csinh.inc (csinh_test_data): Likewise.
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Both libm-compat-calls and libm-compat-calls-auto list the functions
that must be built for the types float, double, and long double, but
not for other floating-point types that get added to libm. Besides
that, the use of libm-compat-calls-ldouble-yes to select if
w_lgamma_compatl and k_standardl should be built for long-double (in
libm-compat-calls) has the same effect of the use of type-foreach
(in libm-compat-calls-auto).
This patch merges the contents of libm-compat-calls into
libm-compat-calls-auto, then renames the latter to libm-compat-calls.
Tested for powerpc64le, s390, and x86_64.
* math/Makefile (libm-compat-calls-ldouble-yes): Merge into
libm-compat-calls-auto.
(libm-compat-calls): Likewise.
(libm-compat-calls-auto): Rename to libm-compat-calls and add
w_lgamma_compatF and k_standardF (merged from the items above).
(libm-routines): Use libm-compat-calls, instead of
libm-compat-calls-auto, with type-foreach.
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The libm tests of inline functions undefine __NO_MATH_INLINES (from
math-CPPFLAGS) in test-math-inline.h, but __LIBC_INTERNAL_MATH_INLINES
via -U options in the makefile.
This is an odd inconsistency between the handling of the two macros.
It also depends on the ordering (in compilation commands) of the
various variables providing compiler options (which I think is why
it's using CPPFLAGS-*.c instead of CFLAGS-*.c).
This patch moves the undefine to test-math-inline.h, so improving
consistency and eliminating the dependency on the order in which
variables go in the compilation commands. The CPPFLAGS-*.c variables
are renamed to CFLAGS-*.c, matching those for the non-inline libm
function tests.
By moving the -U option to the header file, this should ensure that
ordering issues don't arise with a subsequent move of the options to
these tests to target-specific CFLAGS += ... variable settings (for
when tests for each function are build separately and so compilation
options need setting for many more makefile targets, for which
target-specific variable settings seem to be the most convenient form
to generate with iterators).
Tested for x86_64.
* math/test-math-inline.h (__LIBC_INTERNAL_MATH_INLINES): Undefine
macro.
* math/Makefile (CPPFLAGS-test-ifloat.c): Rename to ...
(CFLAGS-test-ifloat.c): ... this. Remove
-U__LIBC_INTERNAL_MATH_INLINES.
* math/Makefile (CPPFLAGS-test-idouble.c): Rename to ...
(CFLAGS-test-idouble.c): ... this. Remove
-U__LIBC_INTERNAL_MATH_INLINES.
* math/Makefile (CPPFLAGS-test-ildouble.c): Rename to ...
(CFLAGS-test-ildouble.c): ... this. Remove
-U__LIBC_INTERNAL_MATH_INLINES.
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libm-test-driver.c contains various functions used in the course of
libm testing, which are built as part of each test using this
machinery.
Currently, these functions get built for three tests for each type
(e.g. test-float, test-ifloat, test-float-finite), plus the vector
function tests. All these tests are huge and thus slow to build; the
output of gen-libm-test.pl totals around 40 MB across all functions.
To make the individual tests built from the Makefile smaller, it makes
sense to split these tests up so the tests for each function are built
separately (thus, three tests for each (function, type) pair, plus
vector tests built only for functions that actually have vector
versions). This improves parallelism and means that if tests fail,
the summary of failed tests makes it more obvious where the problem
might be without needing to look in the .out files to see which
functions' tests failed (though architecture maintainers still need to
keep libm-test-ulps up to date to avoid spurious failures of little
interest).
Simply including libm-test-driver.c as-is in such individual-function
tests does not work because of unused static check_* functions (those
functions only being used for the types of the outputs of the function
under test). It also means the common code gets built over 1000 times
instead of nine (plus vector tests). To avoid that issue, this patch
splits out the bulk of the libm-test-driver.c code into a separate
file libm-test-support.c (with a few functions made non-static). That
separate file is built only once for each floating-point type (so at
present three times, or twice on architectures with long double =
double). Definitions needed in both libm-test-support.c and
libm-test-driver.c go in libm-test-support.h (it's possible some of
those are in fact only needed in one of the two files).
libm-test-driver.c keeps definitions of a limited number of variables
used to configure how libm-test-support.c behaves, various macros and
structures needed by individual-function tests, and the main function.
This move is also consistent in spirit with the move away from
test-skeleton.c having all the test support code, to a small
support/test-driver.c included in individual tests with most of the
code built separately.
Tested for x86_64 and x86.
* math/libm-test-support.c: New file. Content from
math/libm-test-driver.c.
* math/libm-test-support.h: Likewise.
* math/libm-test-support-double.c: New file.
* math/libm-test-support-float.c: Likewise.
* math/libm-test-support-ldouble.c: Likewise.
* math/libm-test-driver.c: Remove main comment and header
includes. Include libm-test-support.h.
[!_GNU_SOURCE] (_GNU_SOURCE): Do not define.
(flag_test_errno): Remove static.
(flag_test_exceptions): Likewise.
(flag_test_finite): Likewise.
(flag_test_inline): Likewise.
(flag_test_mathvec): Likewise.
(test_msg): Likewise.
(NO_EXCEPTION): Remove.
(INVALID_EXCEPTION): Likewise.
(DIVIDE_BY_ZERO_EXCEPTION): Likewise.
(OVERFLOW_EXCEPTION): Likewise.
(UNDERFLOW_EXCEPTION): Likewise.
(INEXACT_EXCEPTION): Likewise.
(INVALID_EXCEPTION_OK): Likewise.
(DIVIDE_BY_ZERO_EXCEPTION_OK): Likewise.
(OVERFLOW_EXCEPTION_OK): Likewise.
(UNDERFLOW_EXCEPTION_OK): Likewise.
(NO_INEXACT_EXCEPTION): Likewise.
(EXCEPTIONS_OK): Likewise.
(IGNORE_ZERO_INF_SIGN): Likewise.
(TEST_NAN_SIGN): Likewise.
(TEST_NAN_PAYLOAD): Likewise.
(NO_TEST_INLINE): Likewise.
(XFAIL_TEST): Likewise.
(ERRNO_UNCHANGED): Likewise.
(ERRNO_EDOM): Likewise.
(ERRNO_ERANGE): Likewise.
(IGNORE_RESULT): Likewise.
(NON_FINITE): Likewise.
(TEST_SNAN): Likewise.
(NO_TEST_MATHVEC): Likewise.
(__CONCATX): Likewise.
(TYPE_MIN): Likewise.
(TYPE_TRUE_MIN): Likewise.
(TYPE_MAX): Likewise.
(MIN_EXP): Likewise.
(MAX_EXP): Likewise.
(MANT_DIG): Likewise.
(FSTR_MAX): Likewise.
(ulp_idx): Likewise.
(qtype_str): Remove static.
(TEST_COND_binary32): Remove.
(TEST_COND_binary64): Likewise.
(TEST_COND_binary128): Likewise.
(TEST_COND_ibm128): Likewise.
(TEST_COND_intel96): Likewise.
(TEST_COND_m68k96): Likewise.
(TEST_COND_ibm128_libgcc): Likewise.
(XFAIL_IBM128_LIBGCC): Likewise.
(PAYLOAD_DIG): Likewise.
(UNDERFLOW_EXCEPTION_FLOAT): Likewise.
(UNDERFLOW_EXCEPTION_OK_FLOAT): Likewise.
(UNDERFLOW_EXCEPTION_DOUBLE): Likewise.
(UNDERFLOW_EXCEPTION_OK_DOUBLE): Likewise.
(UNDERFLOW_EXCEPTION_LDOUBLE_IBM): Likewise.
(UNDERFLOW_EXCEPTION_BEFORE_ROUNDING): Likewise.
(TEST_COND_long32): Likewise.
(TEST_COND_long64): Likewise.
(TEST_COND_before_rounding): Likewise.
(TEST_COND_after_rounding): Likewise.
(ulps_file_name): Likewise.
(ulps_file): Likewise.
(output_ulps): Likewise.
(output_dir): Likewise.
(noErrors): Likewise.
(noTests): Likewise.
(noExcTests): Likewise.
(noErrnoTests): Likewise.
(verbose): Likewise.
(output_max_error): Likewise.
(output_points): Likewise.
(ignore_max_ulp): Likewise.
(max_error): Likewise.
(real_max_error): Likewise.
(imag_max_error): Likewise.
(prev_max_error): Likewise.
(prev_real_max_error): Likewise.
(prev_imag_max_error): Likewise.
(max_valid_error): Likewise.
(TYPE_DECIMAL_DIG): Likewise.
(TYPE_HEX_DIG): Likewise.
(fmt_ftostr): Likewise.
(compare_ulp_data): Likewise.
(find_ulps): Likewise.
(init_max_error): Likewise.
(set_max_error): Likewise.
(print_float): Likewise.
(print_screen): Likewise.
(print_screen_max_error): Likewise.
(update_stats): Likewise.
(print_function_ulps): Likewise.
(print_complex_function_ulps): Likewise.
(fpstack_test): Likewise.
(print_max_error): Likewise.
(print_complex_max_error): Likewise.
(test_single_exception): Likewise.
(test_exceptions): Likewise.
(test_single_errno): Likewise.
(test_errno): Likewise.
(ULPDIFF): Likewise.
(ulp): Likewise.
(check_float_internal): Likewise.
(check_float): Likewise.
(check_complex): Likewise.
(check_int): Likewise.
(check_long): Likewise.
(check_bool): Likewise.
(check_longlong): Likewise.
(check_intmax_t): Likewise.
(check_uintmax_t): Likewise.
(enable_test): Likewise.
(matherr): Likewise.
(initialize): Likewise.
(options): Likewise.
(doc): Remove static.
(argp): Likewise.
(parse_opt): Remove.
(check_ulp): Likewise.
(libm_test_init): Likewise.
(libm_test_finish): Likewise.
* math/Makefile (libm-test-support): New variable.
(test-extras): Add libm-test-support files.
(extra-test-objs): Likewise.
(CFLAGS-libm-test-support-float.c): New variable.
(CFLAGS-libm-test-support-double.c): Likewise.
(CFLAGS-libm-test-support-ldouble.c): Likewise.
($(addprefix $(objpfx),$(libm-tests)): Depend on appropriate
libm-test-support objects.
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This patch adds the "_compat" suffix to the wrappers of the function
exp, which use _LIB_VERSION / matherr / __kernel_standard
functionality.
Tested for powerpc64le, s390, and x86_64.
* math/Makefile (libm-calls): Move w_exp...
(libm-compat-calls-auto): Here.
* math/w_expl.c: Add suffix "_compat" to filename.
* sysdeps/ia64/fpu/w_expl.c: Likewise.
* sysdeps/ia64/fpu/w_expf.c: Likewise.
* sysdeps/ia64/fpu/w_exp.c: Likewise.
* sysdeps/ieee754/dbl-64/w_exp.c: Likewise.
* sysdeps/ieee754/flt-32/w_expf.c: Likewise.
* sysdeps/ieee754/ldbl-128/w_expl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/w_expl.c: Likewise.
* sysdeps/ieee754/ldbl-96/w_expl.c: Likewise.
* math/w_expl_compat.c: New file, copied from above.
* sysdeps/ia64/fpu/w_exp_compat.c: Likewise.
* sysdeps/ia64/fpu/w_expf_compat.c: Likewise.
* sysdeps/ia64/fpu/w_expl_compat.c: Likewise.
* sysdeps/ieee754/dbl-64/w_exp_compat.c: Likewise.
* sysdeps/ieee754/flt-32/w_expf_compat.c: Likewise.
* sysdeps/ieee754/ldbl-128/w_expl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/w_expl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-96/w_expl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/w_expl.c: Add suffix "_compat"
to filename.
* sysdeps/ieee754/ldbl-opt/w_exp.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/w_expl_compat.c: New file,
copied from above and adjusted for the new filenames.
* sysdeps/ieee754/ldbl-opt/w_exp_compat.c: Likewise.
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This patch adds the suffix "_compat2" to the wrappers for lgamma,
which use _LIB_VERSION / matherr / __kernel_standard functionality.
The suffix "_compat2" is used because the suffix "_compat" is already
used.
Tested for powerpc64le, s390, and x86_64.
* math/Makefile (libm-calls): Move w_lgammaF...
(libm-compat-calls-auto): Here.
* math/w_lgamma.c: Add suffix "_compat2" to filename.
* math/w_lgammaf.c: Likewise.
* math/w_lgammal.c: Likewise.
* math/w_lgamma_compat2.c: New file, copied from above.
* math/w_lgammaf_compat2.c: Likewise.
* math/w_lgammal_compat2.c: Likewise.
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This patch adds the suffix "_compat" to lgamma_r wrappers and make
some adjustments to #includes and Makefiles. This is a step towards
deprecation of wrappers that use _LIB_VERSION / matherr /
__kernel_standard functionality.
Tested for powerpc64le, s390, and x86_64.
* math/Makefile (libm-calls): Move w_lgammaF_r...
(libm-compat-calls-auto): Here.
* math/w_lgamma_r.c: Add suffix "_compat" to filename.
* math/w_lgammaf_r.c: Likewise.
* math/w_lgammal_r.c: Likewise.
* sysdeps/ia64/fpu/w_lgammal_r.c: Likewise.
* sysdeps/ia64/fpu/w_lgammaf_r.c: Likewise.
* sysdeps/ia64/fpu/w_lgamma_r.c: Likewise.
* math/w_lgamma_r_compat.c: New file, copied from above.
* math/w_lgammaf_r_compat.c: Likewise.
* math/w_lgammal_r_compat.c: Likewise.
* sysdeps/ia64/fpu/w_lgamma_r_compat.c: Likewise.
* sysdeps/ia64/fpu/w_lgammaf_r_compat.c: Likewise.
* sysdeps/ia64/fpu/w_lgammal_r_compat.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_lgamma_r.c: Add suffix "_compat"
to filename.
* sysdeps/ieee754/ldbl-opt/w_lgammal_r.c: Likewise.
* sysdeps/ieee754/ldbl-opt/w_lgamma_r_compat.c: New file
copied from above and adjusted for the new filenames.
* sysdeps/ieee754/ldbl-opt/w_lgammal_r_compat.c: Likewise.
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This patch fixes the last regression in LTP lite scenario (mmap16) comparing
to lp64 in my source trees [1, 2]. The fix has been suggested back in 2015 [3]
but was never applied.
Checked on aarch64-linux-gnu.
* sysdeps/unix/sysv/linux/aarch64/sysdep.h: use PTR_REG() for offset
calculation in SYSCALL_ERROR_HANDLER().
[1] https://github.com/norov/glibc/tree/dev9
[2] https://github.com/norov/linux/tree/ilp32-20170203
[3] https://sourceware.org/ml/libc-alpha/2015-03/msg00587.html
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I only caught this because I saw a file in manual/ change. Oh, the
irony... and thank you!
* manual/contrib.texi: Fix typo.
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The code to set value passed a tunable_val_t, which when cast to
int32_t on big-endian gives the wrong value. Instead, use
tunable_val_t.numval instead, which can then be safely cast into
int32_t.
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Add PTRACE_EVENT_STOP value to Linux's sys/ptrace.h, modify related
comments accordingly.
This constant initially appeared in Linux 3.1 (kernel commit 3544d72a,
"ptrace: implement PTRACE_SEIZE") but its value has changed later
in Linux 3.4 (kernel commit 5cdf389a, "ptrace: renumber
PTRACE_EVENT_STOP so that future new options and events can match").
The comment is also taken from the above commit.
This constant is used by e.g. strace, CRIU, Mozilla RR.
* sysdeps/unix/sysv/linux/aarch64/sys/ptrace.h (__ptrace_eventcodes):
Add PTRACE_EVENT_STOP.
* sysdeps/unix/sysv/linux/ia64/sys/ptrace.h: Likewise.
* sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h: Likewise.
* sysdeps/unix/sysv/linux/s390/sys/ptrace.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/sys/ptrace.h: Likewise.
* sysdeps/unix/sysv/linux/sys/ptrace.h: Likewise.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.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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Bug 21112 reports a case where powf is substantially inaccurate. This
results from a multiplication where cp_h*p_h is required to be exact,
and p_h is masked to have only 12 leading nonzero bits in its
mantissa, but the value of cp_h has the 13th bit nonzero, leading to
inexact multiplication results in some cases that can result in large
errors in the final result of powf. This patch fixes this by using a
value of cp_h correctly rounded to nearest to 12 bits, with a
corresponding updated value of cp_l.
Tested for x86_64 and x86.
[BZ #21112]
* sysdeps/ieee754/flt-32/e_powf.c (cp_h): Use value with trailing
12 bits zero.
(cp_l): Update for new value of cp_h.
* math/auto-libm-test-in: Add another test of pow.
* math/auto-libm-test-out-pow: Regenerated.
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Apparently, implementating is not a word; who would have thunk it...
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This patch sets the minimum kernel version required for ppc64le as 3.10.0.
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Some of the power8 strings optimizations are not updated to use the latest
version of other string optimizations
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For strings >16B and <32B existing algorithm takes more time than default
implementation when strings are placed closed to end of page. This is due
to byte by byte access for handling page cross. This is improved by
following >32B code path where the address is adjusted to aligned memory
before doing load doubleword operation instead of loading bytes.
Tested on powerpc64 and powerpc64le.
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Splitting libm tests by function will mean about a thousand such tests
built separately instead of the present nine (plus vector variants).
When this is done, it's desirable to avoid needing to build all the
test infrastructure so many times. Also, simply including
libm-test-driver.c as-is into per-function tests doesn't actually
work, because the various check_* functions are not used by all tests
and so generate errors for unused static functions.
Although some pieces of infrastructure depend on the type being tested
while others don't, building once per type seems the simplest
approach. This patch makes changes to libm-test-driver.c in
preparation for that. Various cases where functions directly use
macros such as TEST_ERRNO (that may vary depending on things other
than the type under test) are changed to use variables initialized
using those macros, while most of the code in main is moved out to
functions libm_test_init and libm_test_fini.
The idea is that all the functions in libm-test-driver.c will be moved
out in a subsequent patch to be built once per type (and be no longer
static when they are used from per-function tests), while
libm-test-driver.c remains containing definitions of various variables
(no longer static, of course, because they'll be used in the per-type
code) and the main function. Declarations / macros relevant to both
the once-per-type code and the per-function tests will go in a shared
header.
Tested for x86_64.
* math/libm-test-driver.c (flag_test_errno): New variable.
(flag_test_exceptions): Likewise.
(flag_test_finite): Likewise.
(flag_test_inline): Likewise.
(flag_test_mathvec): Likewise.
(test_msg): Likewise.
(ulp_idx): Likewise.
(qtype_str): Likewise.
(ULP_IDX): Remove macro.
(QTYPE_STR): Likewise.
(find_ulps): Use ulp_idx not ULP_IDX.
(print_function_ulps): Use qtype_str, printed with %s, not
QTYPE_STR, printed with concatentation to format string.
(print_complex_function_ulps): Likewise.
(test_exceptions): Use flag_test_exceptions not TEST_EXCEPTIONS.
(test_errno): Use flag_test_errno not TEST_ERRNO.
(enable_test): Use flag_test_inline, flag_test_finite and
flag_test_mathvec instead of TEST_INLINE, TEST_FINITE and
TEST_MATHVEC.
(libm_test_init): New function. Factored out of main.
(libm_test_finish): Likewise.
(main): Call libm_test_init and libm_test_finish and move most
code to those functions.
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Various files using the libm-test infrastructure define a TEST_MSG
macro with an informal description of the tests being run.
This patch moves this macro to libm-test-driver.c (the definition
depending on other macros already defined), so files specific to
(type, choice of whether to test inline functions or finite-math-only
functions, vector length) no longer need to define it. This is in
preparation for replacing files such as test-float.c with per-function
test-float-<func>.c etc. automatically generated in the build
directory when tests are run.
Tested for x86_64.
* math/libm-test-driver.c (STRX): New macro.
(STR): Likewise.
(STR_FLOAT): Likewise.
(STR_VEC_LEN): Likewise.
(TEST_MSG): Likewise. Define here instead of expecting to be
defined by including file.
* math/test-double-finite.c (TEST_MSG): Remove macro.
* math/test-double-vlen2.h (TEST_MSG): Likewise.
* math/test-double-vlen4.h (TEST_MSG): Likewise.
* math/test-double-vlen8.h (TEST_MSG): Likewise.
* math/test-double.c (TEST_MSG): Likewise.
* math/test-float-finite.c (TEST_MSG): Likewise.
* math/test-float-vlen16.h (TEST_MSG): Likewise.
* math/test-float-vlen4.h (TEST_MSG): Likewise.
* math/test-float-vlen8.h (TEST_MSG): Likewise.
* math/test-float.c (TEST_MSG): Likewise.
* math/test-idouble.c (TEST_MSG): Likewise.
* math/test-ifloat.c (TEST_MSG): Likewise.
* math/test-ildouble.c (TEST_MSG): Likewise.
* math/test-ldouble-finite.c (TEST_MSG): Likewise.
* math/test-ldouble.c (TEST_MSG): Likewise.
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Continuing the process of splitting up libm tests into more reasonably
sized units, this patch splits libm-test.inc into 121 separate
libm-test-<function>.inc files, one per array of test data. (There
are 126 libm *_test functions, but five of those are for functions
that are aliases for test purposes and so share arrays of test data.)
In the present patch, the 121 files get processed separately by
gen-libm-test.pl, each using only the auto-libm-test-out-<function>
file that is relevant (/dev/null for functions not using
auto-libm-test-* at all). This effectively eliminates the
serialization on running gen-libm-test.pl. However, the resulting .c
files still all get #included together, so compiling the limited
number of libm tests using libm-test.inc may still act as a
serialization point (the compilations still all have 40 MB of code to
process). libm-test.inc doesn't actually have anything in it any more
that needs gen-libm-test.pl processing, but is left as a .inc file
that gets processed to produce a .c file, rather than being renamed,
since the intent of this patch is as an intermediate step before
libm-test.inc gets removed and tests get compiled separately for each
function being tested.
Tested for x86_64.
* math/libm-test.inc: Move all tests of individual functions to
libm-test-*.inc and #include libm-test-*.c files.
(acos_test_data): Remove.
(acos_test): Likewise.
(acosh_test_data): Likewise.
(acosh_test): Likewise.
(asin_test_data): Likewise.
(asin_test): Likewise.
(asinh_test_data): Likewise.
(asinh_test): Likewise.
(atan_test_data): Likewise.
(atan_test): Likewise.
(atanh_test_data): Likewise.
(atanh_test): Likewise.
(atan2_test_data): Likewise.
(atan2_test): Likewise.
(cabs_test_data): Likewise.
(cabs_test): Likewise.
(cacos_test_data): Likewise.
(cacos_test): Likewise.
(cacosh_test_data): Likewise.
(cacosh_test): Likewise.
(canonicalize_test_data): Likewise.
(canonicalize_test): Likewise.
(carg_test_data): Likewise.
(carg_test): Likewise.
(casin_test_data): Likewise.
(casin_test): Likewise.
(casinh_test_data): Likewise.
(casinh_test): Likewise.
(catan_test_data): Likewise.
(catan_test): Likewise.
(catanh_test_data): Likewise.
(catanh_test): Likewise.
(cbrt_test_data): Likewise.
(cbrt_test): Likewise.
(ccos_test_data): Likewise.
(ccos_test): Likewise.
(ccosh_test_data): Likewise.
(ccosh_test): Likewise.
(ceil_test_data): Likewise.
(ceil_test): Likewise.
(cexp_test_data): Likewise.
(cexp_test): Likewise.
(cimag_test_data): Likewise.
(cimag_test): Likewise.
(clog_test_data): Likewise.
(clog_test): Likewise.
(clog10_test_data): Likewise.
(clog10_test): Likewise.
(conj_test_data): Likewise.
(conj_test): Likewise.
(copysign_test_data): Likewise.
(copysign_test): Likewise.
(cos_test_data): Likewise.
(cos_test): Likewise.
(cosh_test_data): Likewise.
(cosh_test): Likewise.
(cpow_test_data): Likewise.
(cpow_test): Likewise.
(cproj_test_data): Likewise.
(cproj_test): Likewise.
(creal_test_data): Likewise.
(creal_test): Likewise.
(csin_test_data): Likewise.
(csin_test): Likewise.
(csinh_test_data): Likewise.
(csinh_test): Likewise.
(csqrt_test_data): Likewise.
(csqrt_test): Likewise.
(ctan_test_data): Likewise.
(ctan_test): Likewise.
(ctanh_test_data): Likewise.
(ctanh_test): Likewise.
(erf_test_data): Likewise.
(erf_test): Likewise.
(erfc_test_data): Likewise.
(erfc_test): Likewise.
(exp_test_data): Likewise.
(exp_test): Likewise.
(exp10_test_data): Likewise.
(exp10_test): Likewise.
(pow10_test): Likewise.
(exp2_test_data): Likewise.
(exp2_test): Likewise.
(expm1_test_data): Likewise.
(expm1_test): Likewise.
(fabs_test_data): Likewise.
(fabs_test): Likewise.
(fdim_test_data): Likewise.
(fdim_test): Likewise.
(floor_test_data): Likewise.
(floor_test): Likewise.
(fma_test_data): Likewise.
(fma_test): Likewise.
(fmax_test_data): Likewise.
(fmax_test): Likewise.
(fmaxmag_test_data): Likewise.
(fmaxmag_test): Likewise.
(fmin_test_data): Likewise.
(fmin_test): Likewise.
(fminmag_test_data): Likewise.
(fminmag_test): Likewise.
(fmod_test_data): Likewise.
(fmod_test): Likewise.
(fpclassify_test_data): Likewise.
(fpclassify_test): Likewise.
(frexp_test_data): Likewise.
(frexp_test): Likewise.
(fromfp_test_data): Likewise.
(fromfp_test): Likewise.
(fromfpx_test_data): Likewise.
(fromfpx_test): Likewise.
(getpayload_test_data): Likewise.
(getpayload_test): Likewise.
(hypot_test_data): Likewise.
(hypot_test): Likewise.
(ilogb_test_data): Likewise.
(ilogb_test): Likewise.
(iscanonical_test_data): Likewise.
(iscanonical_test): Likewise.
(iseqsig_test_data): Likewise.
(iseqsig_test): Likewise.
(isfinite_test_data): Likewise.
(isfinite_test): Likewise.
(finite_test): Likewise.
(isgreater_test_data): Likewise.
(isgreater_test): Likewise.
(isgreaterequal_test_data): Likewise.
(isgreaterequal_test): Likewise.
(isinf_test_data): Likewise.
(isinf_test): Likewise.
(isless_test_data): Likewise.
(isless_test): Likewise.
(islessequal_test_data): Likewise.
(islessequal_test): Likewise.
(islessgreater_test_data): Likewise.
(islessgreater_test): Likewise.
(isnan_test_data): Likewise.
(isnan_test): Likewise.
(isnormal_test_data): Likewise.
(isnormal_test): Likewise.
(issignaling_test_data): Likewise.
(issignaling_test): Likewise.
(issubnormal_test_data): Likewise.
(issubnormal_test): Likewise.
(isunordered_test_data): Likewise.
(isunordered_test): Likewise.
(iszero_test_data): Likewise.
(iszero_test): Likewise.
(j0_test_data): Likewise.
(j0_test): Likewise.
(j1_test_data): Likewise.
(j1_test): Likewise.
(jn_test_data): Likewise.
(jn_test): Likewise.
(lgamma_test_data): Likewise.
(lgamma_test): Likewise.
(gamma_test): Likewise.
(llogb_test_data): Likewise.
(llogb_test): Likewise.
(lrint_test_data): Likewise.
(lrint_test): Likewise.
(llrint_test_data): Likewise.
(llrint_test): Likewise.
(log_test_data): Likewise.
(log_test): Likewise.
(log10_test_data): Likewise.
(log10_test): Likewise.
(log1p_test_data): Likewise.
(log1p_test): Likewise.
(log2_test_data): Likewise.
(log2_test): Likewise.
(logb_test_data): Likewise.
(logb_test): Likewise.
(lround_test_data): Likewise.
(lround_test): Likewise.
(llround_test_data): Likewise.
(llround_test): Likewise.
(modf_test_data): Likewise.
(modf_test): Likewise.
(nearbyint_test_data): Likewise.
(nearbyint_test): Likewise.
(nextafter_test_data): Likewise.
(nextafter_test): Likewise.
(nextup_test_data): Likewise.
(nextup_test): Likewise.
(nextdown_test_data): Likewise.
(nextdown_test): Likewise.
(nexttoward_test_data): Likewise.
(nexttoward_test): Likewise.
(pow_test_data): Likewise.
(pow_test): Likewise.
(remainder_test_data): Likewise.
(remainder_test): Likewise.
(drem_test): Likewise.
(remquo_test_data): Likewise.
(remquo_test): Likewise.
(rint_test_data): Likewise.
(rint_test): Likewise.
(round_test_data): Likewise.
(round_test): Likewise.
(roundeven_test_data): Likewise.
(roundeven_test): Likewise.
(scalb_test_data): Likewise.
(scalb_test): Likewise.
(scalbn_test_data): Likewise.
(scalbn_test): Likewise.
(ldexp_test): Likewise.
(scalbln_test_data): Likewise.
(scalbln_test): Likewise.
(setpayload_test_data): Likewise.
(setpayload_test): Likewise.
(setpayloadsig_test_data): Likewise.
(setpayloadsig_test): Likewise.
(signbit_test_data): Likewise.
(signbit_test): Likewise.
(sin_test_data): Likewise.
(sin_test): Likewise.
(sincos_test_data): Likewise.
(sincos_test): Likewise.
(sinh_test_data): Likewise.
(sinh_test): Likewise.
(sqrt_test_data): Likewise.
(sqrt_test): Likewise.
(tan_test_data): Likewise.
(tan_test): Likewise.
(tanh_test_data): Likewise.
(tanh_test): Likewise.
(tgamma_test_data): Likewise.
(tgamma_test): Likewise.
(totalorder_test_data): Likewise.
(totalorder_test): Likewise.
(totalordermag_test_data): Likewise.
(totalordermag_test): Likewise.
(trunc_test_data): Likewise.
(trunc_test): Likewise.
(ufromfp_test_data): Likewise.
(ufromfp_test): Likewise.
(ufromfpx_test_data): Likewise.
(ufromfpx_test): Likewise.
(y0_test_data): Likewise.
(y0_test): Likewise.
(y1_test_data): Likewise.
(y1_test): Likewise.
(yn_test_data): Likewise.
(yn_test): Likewise.
(significand_test_data): Likewise.
(significand_test): Likewise.
* math/Makefile (auto-libm-test-out-files): Remove variable.
(libm-test-funcs-noauto): New variable.
(libm-test-funcs-all): Likewise.
(libm-test-c-auto): Likewise.
(libm-test-c-noauto): Likewise.
(libm-tests-generated): Add $(libm-test-c-auto) and
$(libm-test-c-noauto).
(generated): Do not add auto-libm-test-out.
(libm-test-c-auto-obj): New variable.
(libm-test-c-noauto-obj): Likewise.
($(objpfx)libm-test.c): Do not generate or use auto-libm-test-out.
($(libm-test-c-noauto-obj)): New static pattern rule.
($(libm-test-c-auto-obj)): Likewise.
(libm-test-incs): New variable.
($(objpfx)libm-have-vector-test.h): Depend on $(libm-test-incs)
and pass it to gen-libm-have-vector-test.sh.
* math/gen-libm-have-vector-test.sh: Expect list of .inc files to
be passed on command line.
* math/libm-test-acos.inc: New file. Content from
math/libm-test.inc.
* math/libm-test-acosh.inc: Likewise.
* math/libm-test-asin.inc: Likewise.
* math/libm-test-asinh.inc: Likewise.
* math/libm-test-atan.inc: Likewise.
* math/libm-test-atan2.inc: Likewise.
* math/libm-test-atanh.inc: Likewise.
* math/libm-test-cabs.inc: Likewise.
* math/libm-test-cacos.inc: Likewise.
* math/libm-test-cacosh.inc: Likewise.
* math/libm-test-canonicalize.inc: Likewise.
* math/libm-test-carg.inc: Likewise.
* math/libm-test-casin.inc: Likewise.
* math/libm-test-casinh.inc: Likewise.
* math/libm-test-catan.inc: Likewise.
* math/libm-test-catanh.inc: Likewise.
* math/libm-test-cbrt.inc: Likewise.
* math/libm-test-ccos.inc: Likewise.
* math/libm-test-ccosh.inc: Likewise.
* math/libm-test-ceil.inc: Likewise.
* math/libm-test-cexp.inc: Likewise.
* math/libm-test-cimag.inc: Likewise.
* math/libm-test-clog.inc: Likewise.
* math/libm-test-clog10.inc: Likewise.
* math/libm-test-conj.inc: Likewise.
* math/libm-test-copysign.inc: Likewise.
* math/libm-test-cos.inc: Likewise.
* math/libm-test-cosh.inc: Likewise.
* math/libm-test-cpow.inc: Likewise.
* math/libm-test-cproj.inc: Likewise.
* math/libm-test-creal.inc: Likewise.
* math/libm-test-csin.inc: Likewise.
* math/libm-test-csinh.inc: Likewise.
* math/libm-test-csqrt.inc: Likewise.
* math/libm-test-ctan.inc: Likewise.
* math/libm-test-ctanh.inc: Likewise.
* math/libm-test-erf.inc: Likewise.
* math/libm-test-erfc.inc: Likewise.
* math/libm-test-exp.inc: Likewise.
* math/libm-test-exp10.inc: Likewise.
* math/libm-test-exp2.inc: Likewise.
* math/libm-test-expm1.inc: Likewise.
* math/libm-test-fabs.inc: Likewise.
* math/libm-test-fdim.inc: Likewise.
* math/libm-test-floor.inc: Likewise.
* math/libm-test-fma.inc: Likewise.
* math/libm-test-fmax.inc: Likewise.
* math/libm-test-fmaxmag.inc: Likewise.
* math/libm-test-fmin.inc: Likewise.
* math/libm-test-fminmag.inc: Likewise.
* math/libm-test-fmod.inc: Likewise.
* math/libm-test-fpclassify.inc: Likewise.
* math/libm-test-frexp.inc: Likewise.
* math/libm-test-fromfp.inc: Likewise.
* math/libm-test-fromfpx.inc: Likewise.
* math/libm-test-getpayload.inc: Likewise.
* math/libm-test-hypot.inc: Likewise.
* math/libm-test-ilogb.inc: Likewise.
* math/libm-test-iscanonical.inc: Likewise.
* math/libm-test-iseqsig.inc: Likewise.
* math/libm-test-isfinite.inc: Likewise.
* math/libm-test-isgreater.inc: Likewise.
* math/libm-test-isgreaterequal.inc: Likewise.
* math/libm-test-isinf.inc: Likewise.
* math/libm-test-isless.inc: Likewise.
* math/libm-test-islessequal.inc: Likewise.
* math/libm-test-islessgreater.inc: Likewise.
* math/libm-test-isnan.inc: Likewise.
* math/libm-test-isnormal.inc: Likewise.
* math/libm-test-issignaling.inc: Likewise.
* math/libm-test-issubnormal.inc: Likewise.
* math/libm-test-isunordered.inc: Likewise.
* math/libm-test-iszero.inc: Likewise.
* math/libm-test-j0.inc: Likewise.
* math/libm-test-j1.inc: Likewise.
* math/libm-test-jn.inc: Likewise.
* math/libm-test-lgamma.inc: Likewise.
* math/libm-test-llogb.inc: Likewise.
* math/libm-test-llrint.inc: Likewise.
* math/libm-test-llround.inc: Likewise.
* math/libm-test-log.inc: Likewise.
* math/libm-test-log10.inc: Likewise.
* math/libm-test-log1p.inc: Likewise.
* math/libm-test-log2.inc: Likewise.
* math/libm-test-logb.inc: Likewise.
* math/libm-test-lrint.inc: Likewise.
* math/libm-test-lround.inc: Likewise.
* math/libm-test-modf.inc: Likewise.
* math/libm-test-nearbyint.inc: Likewise.
* math/libm-test-nextafter.inc: Likewise.
* math/libm-test-nextdown.inc: Likewise.
* math/libm-test-nexttoward.inc: Likewise.
* math/libm-test-nextup.inc: Likewise.
* math/libm-test-pow.inc: Likewise.
* math/libm-test-remainder.inc: Likewise.
* math/libm-test-remquo.inc: Likewise.
* math/libm-test-rint.inc: Likewise.
* math/libm-test-round.inc: Likewise.
* math/libm-test-roundeven.inc: Likewise.
* math/libm-test-scalb.inc: Likewise.
* math/libm-test-scalbln.inc: Likewise.
* math/libm-test-scalbn.inc: Likewise.
* math/libm-test-setpayload.inc: Likewise.
* math/libm-test-setpayloadsig.inc: Likewise.
* math/libm-test-signbit.inc: Likewise.
* math/libm-test-significand.inc: Likewise.
* math/libm-test-sin.inc: Likewise.
* math/libm-test-sincos.inc: Likewise.
* math/libm-test-sinh.inc: Likewise.
* math/libm-test-sqrt.inc: Likewise.
* math/libm-test-tan.inc: Likewise.
* math/libm-test-tanh.inc: Likewise.
* math/libm-test-tgamma.inc: Likewise.
* math/libm-test-totalorder.inc: Likewise.
* math/libm-test-totalordermag.inc: Likewise.
* math/libm-test-trunc.inc: Likewise.
* math/libm-test-ufromfp.inc: Likewise.
* math/libm-test-ufromfpx.inc: Likewise.
* math/libm-test-y0.inc: Likewise.
* math/libm-test-y1.inc: Likewise.
* math/libm-test-yn.inc: Likewise.
* math/README.libm-test: Update.
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math/auto-libm-test-out is, at over 30 MB, by far the largest file in
the glibc source tree. This patch splits it by function, so reducing
it to auto-libm-test-out-<func> files that are all under 5 MB in size.
This is preliminary to splitting up libm-test.inc as well so that each
function's tests can also be processed separately by
gen-libm-test.pl. As a preliminary patch it doesn't actually
implement that step; rather, all the separate files get concatenated
by the Makefile to produce the monolithic auto-libm-test-out file
again as an input to gen-libm-test.pl. (The concatentation is
identical to the file in the source tree before this patch.)
Even this preliminary step, however, is of use independent of
splitting up libm-test.inc: some tests for csin and csinh have not
been moved to auto-libm-test-in because they result in
auto-libm-test-out generation taking several minutes rather than a few
seconds (all released MPC versions are very slow for certain sin /
sinh inputs; there are some old improvements in MPC mainline which
should eventually become MPC 1.1, but the complex inverse trig and
hyperbolic functions are slow even in MPC mainline and have yet to be
moved to auto-libm-test-in at all), and it seems much more reasonable
to add such inputs to auto-libm-test-in when it will only slow down
regeneration for particular functions than when it will slow down
regeneration globally.
gen-auto-libm-tests still parses the whole input file, but only
generates output for the requested function. This ensures bad syntax
in the file is always detected, and parsing the whole file is quick;
it's output generation that is comparatively slow for some functions.
Tested for x86_64.
* math/gen-auto-libm-tests.c: Update comment about use of program.
(generate_output): Add argument FUNCTION.
(main): Require extra argument. Pass function name to
generate_output.
* math/Makefile (generated): Add auto-libm-test-out.
(libm-test-funcs-auto): New variable.
(auto-libm-test-out-files): New variable.
($(objpfx)libm-test.c): Depend on $(auto-libm-test-out-files).
Concatenate those files to form $(objpfx)auto-libm-test-out and
use it as input to gen-libm-test.pl.
* math/README.libm-test: Update.
* math/auto-libm-test-out: Remove.
* math/auto-libm-test-out-acos: New generated file.
* math/auto-libm-test-out-acosh: Likewise.
* math/auto-libm-test-out-asin: Likewise.
* math/auto-libm-test-out-asinh: Likewise.
* math/auto-libm-test-out-atan: Likewise.
* math/auto-libm-test-out-atan2: Likewise.
* math/auto-libm-test-out-atanh: Likewise.
* math/auto-libm-test-out-cabs: Likewise.
* math/auto-libm-test-out-carg: Likewise.
* math/auto-libm-test-out-cbrt: Likewise.
* math/auto-libm-test-out-ccos: Likewise.
* math/auto-libm-test-out-ccosh: Likewise.
* math/auto-libm-test-out-cexp: Likewise.
* math/auto-libm-test-out-clog: Likewise.
* math/auto-libm-test-out-clog10: Likewise.
* math/auto-libm-test-out-cos: Likewise.
* math/auto-libm-test-out-cosh: Likewise.
* math/auto-libm-test-out-cpow: Likewise.
* math/auto-libm-test-out-csin: Likewise.
* math/auto-libm-test-out-csinh: Likewise.
* math/auto-libm-test-out-csqrt: Likewise.
* math/auto-libm-test-out-ctan: Likewise.
* math/auto-libm-test-out-ctanh: Likewise.
* math/auto-libm-test-out-erf: Likewise.
* math/auto-libm-test-out-erfc: Likewise.
* math/auto-libm-test-out-exp: Likewise.
* math/auto-libm-test-out-exp10: Likewise.
* math/auto-libm-test-out-exp2: Likewise.
* math/auto-libm-test-out-expm1: Likewise.
* math/auto-libm-test-out-fma: Likewise.
* math/auto-libm-test-out-hypot: Likewise.
* math/auto-libm-test-out-j0: Likewise.
* math/auto-libm-test-out-j1: Likewise.
* math/auto-libm-test-out-jn: Likewise.
* math/auto-libm-test-out-lgamma: Likewise.
* math/auto-libm-test-out-log: Likewise.
* math/auto-libm-test-out-log10: Likewise.
* math/auto-libm-test-out-log1p: Likewise.
* math/auto-libm-test-out-log2: Likewise.
* math/auto-libm-test-out-pow: Likewise.
* math/auto-libm-test-out-sin: Likewise.
* math/auto-libm-test-out-sincos: Likewise.
* math/auto-libm-test-out-sinh: Likewise.
* math/auto-libm-test-out-sqrt: Likewise.
* math/auto-libm-test-out-tan: Likewise.
* math/auto-libm-test-out-tanh: Likewise.
* math/auto-libm-test-out-tgamma: Likewise.
* math/auto-libm-test-out-y0: Likewise.
* math/auto-libm-test-out-y1: Likewise.
* math/auto-libm-test-out-yn: Likewise.
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math/Makefile uses libm-test.stmp to handle dependencies involving
multiple generated files all generated by a single sequence of
commands in a single Makefile rule.
Having separated the libm-test-ulps.h and libm-test.c generation into
separate runs of gen-libm-test.pl, there is now no need for a single
rule to generate multiple target files; each of the three target files
involved can be generated by a separate Makefile rule, meaning normal
dependencies on the individual files can be used and so libm-test.stmp
is not needed at all. This patch does just that, eliminating the
.stmp file, in further preparation for when there are many separate
libm-test-<func>.c files generated from libm-test-<func>.inc and the
dependencies are on just the relevant .c file in each case.
Tested for x86_64.
* math/Makefile (generated): Do not include libm-test.stmp.
($(addprefix $(objpfx), $(libm-tests-generated))): Do not depend
on $(objpfx)libm-test.stmp.
($(objpfx)libm-test.stmp): Remove rule.
($(objpfx)libm-test-ulps.h): New rule.
($(objpfx)libm-test.c): Likewise.
($(objpfx)libm-have-vector-test.h): Likewise.
($(addprefix $(objpfx), $(libm-tests.o)): Depend directly on
individual generated files, not libm-test.stmp.
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This patch reworks how input and output files are specified for
gen-libm-test.pl.
Previously, the script had names of various inputs and outputs
hardcoded, with a -o option to specify an output directory. This
patch replaces this with all inputs and outputs being specified
explicitly as the arguments of options passed to the script. Outputs
are only generated if the relevant option is passed, and only the
processing required for the indicated outputs is done. The Makefile
is made to pass options for generating libm-test-ulps.h in a separate
invocation of gen-libm-test.pl from that generating libm-test.c.
This is all in preparation for splitting up libm-test.inc and
auto-libm-test-out and running tests separately for each function,
when gen-libm-test.pl will be run separately for each function to
generate the .c file but only once to generate libm-test-ulps.h (and
those runs will be able to be in parallel).
Tested for x86_64. The generated libm-test.c and libm-test-ulps.h are
identical before and after the patch. Also tested the "make
regen-ulps" case.
* math/gen-libm-test.pl ($output_dir): Remove variable.
($srcdir): Likewise.
($opt_a): New variable.
($opt_c): Likewise.
($opt_C): Likewise.
($opt_H): Likewise.
(-n): Make option take argument and use it as NewUlps output.
(-a): New option. Use its argument for auto-libm-test-out input.
(-c): New option. Use its argument for libm-test.inc input.
(-C): New option. Use its argument for libm-test.c output.
(-H): New option. Use its argument for libm-test-ulps.h output.
(top level): Only process inputs needed to generate outputs
specified by command-line options. Only generate outputs
specified by command-line options.
* math/README.libm-test: Update example gen-libm-test.pl command.
* math/Makefile ($(objpfx)libm-test.stmp): Update gen-libm-test.pl
commands.
(regen-ulps): Likewise.
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they are only used internally in a few places. Rename all uses that
occur in GLIBC.
* hurd/path-lookup.c (file_name_path_scan): Rename index to strchr.
* include/string.h (index): Remove define.
(rindex): Likewise.
* misc/getttyent.c (__getttyent): Rename index to strchr.
* misc/ttyslot.c (ttyslot): Rename rindex to strrchr.
* sunrpc/rpc_main.c (mkfile_output): Likewise.
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libm-test.inc contains both test infrastructure and tests of
individual functions.
This patch moves the infrastructure to a separate file
libm-test-driver.c. This is in preparation for splitting the tests of
individual functions into separate source files, which will be
processed individually by gen-libm-test.pl (so e.g. libm-test-acos.inc
and auto-libm-test-out-acos will be processed by gen-libm-test.pl to
produce libm-test-acos.c, and files such as test-double-acos.c will be
generated by the Makefile to include appropriate headers,
libm-test-driver.c and libm-test-acos.c so tests of each function get
run separately).
It is no doubt possible to split things up further, so that functions
not depending on the type being tested only get compiled once and most
of those depending on the type being tested get compiled once per type
(rather than separately for variants such as inline / no-inline, and
separately for each function being tested after that split), but this
rearrangement as-is seems a useful incremental step towards splitting
these tests by function.
* math/libm-test-driver.c: New file. Based on math/libm-test.inc.
* math/libm-test.inc: Move all contents, other than tests of
individual functions, to libm-test-driver.c.
[!FE_TONEAREST] (FE_TONEAREST): Move to libm-test-driver.c.
[!FE_TOWARDZERO] (FE_TOWARDZERO): Likewise.
[!FE_UPWARD] (FE_UPWARD): Likewise.
[!FE_DOWNWARD] (FE_DOWNWARD): Likewise.
(NO_EXCEPTION): Likewise.
(INVALID_EXCEPTION): Likewise.
(DIVIDE_BY_ZERO_EXCEPTION): Likewise.
(OVERFLOW_EXCEPTION): Likewise.
(UNDERFLOW_EXCEPTION): Likewise.
(INEXACT_EXCEPTION): Likewise.
(INVALID_EXCEPTION_OK): Likewise.
(DIVIDE_BY_ZERO_EXCEPTION_OK): Likewise.
(OVERFLOW_EXCEPTION_OK): Likewise.
(UNDERFLOW_EXCEPTION_OK): Likewise.
(NO_INEXACT_EXCEPTION): Likewise.
(EXCEPTIONS_OK): Likewise.
(IGNORE_ZERO_INF_SIGN): Likewise.
(TEST_NAN_SIGN): Likewise.
(TEST_NAN_PAYLOAD): Likewise.
(NO_TEST_INLINE): Likewise.
(XFAIL_TEST): Likewise.
(ERRNO_UNCHANGED): Likewise.
(ERRNO_EDOM): Likewise.
(ERRNO_ERANGE): Likewise.
(IGNORE_RESULT): Likewise.
(NON_FINITE): Likewise.
(TEST_SNAN): Likewise.
(NO_TEST_MATHVEC): Likewise.
(TEST_NAN_PAYLOAD_CANONICALIZE): Likewise.
(__CONCATX): Likewise.
(TYPE_MIN): Likewise.
(TYPE_TRUE_MIN): Likewise.
(TYPE_MAX): Likewise.
(MIN_EXP): Likewise.
(MAX_EXP): Likewise.
(MANT_DIG): Likewise.
(FSTR_MAX): Likewise.
(ULP_IDX): Likewise.
(QTYPE_STR): Likewise.
(TEST_COND_binary32): Likewise.
(TEST_COND_binary64): Likewise.
(TEST_COND_binary128): Likewise.
(TEST_COND_ibm128): Likewise.
(TEST_COND_intel96): Likewise.
(TEST_COND_m68k96): Likewise.
(TEST_COND_ibm128_libgcc): Likewise.
(XFAIL_IBM128_LIBGCC): Likewise.
(PAYLOAD_DIG): Likewise.
(UNDERFLOW_EXCEPTION_FLOAT): Likewise.
(UNDERFLOW_EXCEPTION_OK_FLOAT): Likewise.
(UNDERFLOW_EXCEPTION_DOUBLE): Likewise.
(UNDERFLOW_EXCEPTION_OK_DOUBLE): Likewise.
(UNDERFLOW_EXCEPTION_LDOUBLE_IBM): Likewise.
(UNDERFLOW_EXCEPTION_BEFORE_ROUNDING): Likewise.
(TEST_COND_long32): Likewise.
(TEST_COND_long64): Likewise.
(TEST_COND_before_rounding): Likewise.
(TEST_COND_after_rounding): Likewise.
(lit_pi_3_m_4_d): Likewise.
(lit_pi_3_m_4_ln10_m_d): Likewise.
(lit_pi_2_ln10_m_d): Likewise.
(lit_pi_4_ln10_m_d): Likewise.
(lit_pi_ln10_d): Likewise.
(lit_pi_2_d): Likewise.
(lit_pi_4_d): Likewise.
(lit_pi): Likewise.
(lit_e): Likewise.
(ulps_file_name): Likewise.
(ulps_file): Likewise.
(output_ulps): Likewise.
(output_dir): Likewise.
(noErrors): Likewise.
(noTests): Likewise.
(noExcTests): Likewise.
(noErrnoTests): Likewise.
(verbose): Likewise.
(output_max_error): Likewise.
(output_points): Likewise.
(ignore_max_ulp): Likewise.
(plus_zero): Likewise.
(minus_zero): Likewise.
(plus_infty): Likewise.
(minus_infty): Likewise.
(qnan_value_pl): Likewise.
(qnan_value): Likewise.
(snan_value_pl): Likewise.
(snan_value): Likewise.
(max_value): Likewise.
(min_value): Likewise.
(min_subnorm_value): Likewise.
(snan_value_ld): Likewise.
(max_error): Likewise.
(real_max_error): Likewise.
(imag_max_error): Likewise.
(prev_max_error): Likewise.
(prev_real_max_error): Likewise.
(prev_imag_max_error): Likewise.
(max_valid_error): Likewise.
(TYPE_DECIMAL_DIG): Likewise.
(TYPE_HEX_DIG): Likewise.
(fmt_ftostr): Likewise.
(compare_ulp_data): Likewise.
(find_ulps): Likewise.
(init_max_error): Likewise.
(set_max_error): Likewise.
(print_float): Likewise.
(print_screen): Likewise.
(print_screen_max_error): Likewise.
(update_stats): Likewise.
(print_function_ulps): Likewise.
(print_complex_function_ulps): Likewise.
(fpstack_test): Likewise.
(print_max_error): Likewise.
(print_complex_max_error): Likewise.
(test_single_exception): Likewise.
(test_exceptions): Likewise.
(test_single_errno): Likewise.
(test_errno): Likewise.
(ULPDIFF): Likewise.
(ulp): Likewise.
(check_float_internal): Likewise.
(check_float): Likewise.
(check_complex): Likewise.
(check_int): Likewise.
(check_long): Likewise.
(check_bool): Likewise.
(check_longlong): Likewise.
(check_intmax_t): Likewise.
(check_uintmax_t): Likewise.
(enable_test): Likewise.
(struct test_f_f_data): Likewise.
(struct test_ff_f_data): Likewise.
(struct test_fj_f_data): Likewise.
(struct test_fi_f_data): Likewise.
(struct test_fl_f_data): Likewise.
(struct test_if_f_data): Likewise.
(struct test_fff_f_data): Likewise.
(struct test_fiu_M_data): Likewise.
(struct test_fiu_U_data): Likewise.
(struct test_c_f_data): Likewise.
(struct test_f_f1_data): Likewise.
(struct test_fF_f1_data): Likewise.
(struct test_ffI_f1_data): Likewise.
(struct test_c_c_data): Likewise.
(struct test_cc_c_data): Likewise.
(struct test_f_i_data): Likewise.
(struct test_ff_i_data): Likewise.
(struct test_f_l_data): Likewise.
(struct test_f_L_data): Likewise.
(struct test_fFF_11_data): Likewise.
(struct test_Ff_b1_data): Likewise.
(IF_ROUND_INIT_): Likewise.
(IF_ROUND_INIT_FE_DOWNWARD): Likewise.
(IF_ROUND_INIT_FE_TONEAREST): Likewise.
(IF_ROUND_INIT_FE_TOWARDZERO): Likewise.
(IF_ROUND_INIT_FE_UPWARD): Likewise.
(ROUND_RESTORE_): Likewise.
(ROUND_RESTORE_FE_DOWNWARD): Likewise.
(ROUND_RESTORE_FE_TONEAREST): Likewise.
(ROUND_RESTORE_FE_TOWARDZERO): Likewise.
(ROUND_RESTORE_FE_UPWARD): Likewise.
(RM_): Likewise.
(RM_FE_DOWNWARD): Likewise.
(RM_FE_TONEAREST): Likewise.
(RM_FE_TOWARDZERO): Likewise.
(RM_FE_UPWARD): Likewise.
(COMMON_TEST_SETUP): Likewise.
(EXTRA_OUTPUT_TEST_SETUP): Likewise.
(COMMON_TEST_CLEANUP): Likewise.
(EXTRA_OUTPUT_TEST_CLEANUP): Likewise.
(RUN_TEST_f_f): Likewise.
(RUN_TEST_LOOP_f_f): Likewise.
(RUN_TEST_fp_f): Likewise.
(RUN_TEST_LOOP_fp_f): Likewise.
(RUN_TEST_2_f): Likewise.
(RUN_TEST_LOOP_2_f): Likewise.
(RUN_TEST_ff_f): Likewise.
(RUN_TEST_LOOP_ff_f): Likewise.
(RUN_TEST_LOOP_fj_f): Likewise.
(RUN_TEST_fi_f): Likewise.
(RUN_TEST_LOOP_fi_f): Likewise.
(RUN_TEST_fl_f): Likewise.
(RUN_TEST_LOOP_fl_f): Likewise.
(RUN_TEST_if_f): Likewise.
(RUN_TEST_LOOP_if_f): Likewise.
(RUN_TEST_fff_f): Likewise.
(RUN_TEST_LOOP_fff_f): Likewise.
(RUN_TEST_fiu_M): Likewise.
(RUN_TEST_LOOP_fiu_M): Likewise.
(RUN_TEST_fiu_U): Likewise.
(RUN_TEST_LOOP_fiu_U): Likewise.
(RUN_TEST_c_f): Likewise.
(RUN_TEST_LOOP_c_f): Likewise.
(RUN_TEST_f_f1): Likewise.
(RUN_TEST_LOOP_f_f1): Likewise.
(RUN_TEST_fF_f1): Likewise.
(RUN_TEST_LOOP_fF_f1): Likewise.
(RUN_TEST_fI_f1): Likewise.
(RUN_TEST_LOOP_fI_f1): Likewise.
(RUN_TEST_ffI_f1_mod8): Likewise.
(RUN_TEST_LOOP_ffI_f1_mod8): Likewise.
(RUN_TEST_Ff_b1): Likewise.
(RUN_TEST_LOOP_Ff_b1): Likewise.
(RUN_TEST_Ffp_b1): Likewise.
(RUN_TEST_LOOP_Ffp_b1): Likewise.
(RUN_TEST_c_c): Likewise.
(RUN_TEST_LOOP_c_c): Likewise.
(RUN_TEST_cc_c): Likewise.
(RUN_TEST_LOOP_cc_c): Likewise.
(RUN_TEST_f_i): Likewise.
(RUN_TEST_LOOP_f_i): Likewise.
(RUN_TEST_f_i_tg): Likewise.
(RUN_TEST_LOOP_f_i_tg): Likewise.
(RUN_TEST_ff_b): Likewise.
(RUN_TEST_LOOP_ff_b): Likewise.
(RUN_TEST_ff_i_tg): Likewise.
(RUN_TEST_LOOP_ff_i_tg): Likewise.
(RUN_TEST_f_b): Likewise.
(RUN_TEST_LOOP_f_b): Likewise.
(RUN_TEST_f_b_tg): Likewise.
(RUN_TEST_LOOP_f_b_tg): Likewise.
(RUN_TEST_f_l): Likewise.
(RUN_TEST_LOOP_f_l): Likewise.
(RUN_TEST_f_L): Likewise.
(RUN_TEST_LOOP_f_L): Likewise.
(RUN_TEST_fFF_11): Likewise.
(RUN_TEST_LOOP_fFF_11): Likewise.
(VEC_SUFF): Likewise.
(STR_CONCAT): Likewise.
(STR_CON3): Likewise.
(HAVE_VECTOR): Likewise.
(START): Likewise.
(END): Likewise.
(END_COMPLEX): Likewise.
(ALL_RM_TEST): Likewise.
(matherr): Likewise.
(initialize): Likewise.
(options): Likewise.
(doc): Likewise.
(parse_opt): Likewise.
(argp): Likewise.
(check_ulp): Likewise.
(main): Likewise.
(do_test): New function. Call tests of individual functions
previously called from main.
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math/libm-test.inc has a comment listing the functions tested and not
tested. The list of functions tested duplicates what is immediately
obvious from the rest of the file and adds another place to update
when adding a function. I've put the information about functions not
tested on the wiki todo list; this patch removes that comment, in
preparation for splitting tests of each function into separate .inc
files with common code staying in a separate .c file.
Tested for x86_64.
* math/libm-test.inc: Remove comment listing functions tested and
not tested.
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This patch removes the COLORING_INCREMENT define and usage on allocatestack.c.
It has not been used since 564cd8b67ec487f (glibc-2.3.3) by any architecture.
The idea is to simplify the code by removing obsolete code.
* nptl/allocatestack.c [COLORING_INCREMENT] (nptl_ncreated): Remove.
(allocate_stack): Remove COLORING_INCREMENT usage.
* nptl/stack-aliasing.h (COLORING_INCREMENT). Likewise.
* sysdeps/i386/i686/stack-aliasing.h (COLORING_INCREMENT): Likewise.
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manual/libm-err-tab.pl contains a hardcoded list of libm functions for
which ulps are listed in the manual, and another hardcoded list in a
comment of functions deliberately excluded because of an expected lack
of ulps (and the two together are not in fact an exhaustive list of
libm functions tested through the libm-test machinery).
This patch removes these hardcoded lists, so eliminating this from the
places needing updating when a new libm function is added. Instead,
ulps are tabulated for functions for which they are seen in
libm-test-ulps files, in alphabetical order. The pseudo-function
names such as *_downward and *_vlen* are excluded since they are
excluded from the existing lists, and the description in the manual is
updated to explain how those entries are excluded and if a function is
not listed at all it does not have known errors.
Tested for x86_64.
* manual/libm-err-tab.pl (@all_functions): Change to
%all_functions. Initialize as empty.
(parse_ulps): Add to %all_functions based on functions found in
ulps files. Ignore results for non-default rounding modes and
vector functions.
(print_platforms): Use %all_platforms.
* manual/math.texi (Errors in Math Functions): Document omissions
from the table.
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In <https://sourceware.org/ml/libc-alpha/2015-12/msg00543.html>,
Florian noted highly parallel builds being slowed down by
gen-libm-test.pl running during the build, when it should only run for
testing, not for building glibc itself.
This is a consequence of libm-test.c being listed in before-compile.
That listing in before-compile arose from the error reported in
<https://sourceware.org/ml/libc-hacker/1999-10/msg00054.html> when
building dependencies: at that time, dependencies were generated
separation from compilation, so if a source file included a generated
file it wasn't enough for the dependencies for the .o file to be
correct, the generated file needed to be listed in before-compile.
Since <https://sourceware.org/ml/libc-hacker/2003-05/msg00001.html>,
dependencies are generated as a side-effect of compilation. This
means that having the right dependencies for the .o files for the
tests fully suffices to ensure that libm-test.c is generated by the
time it's needed; no entry in before-compile is needed. And we indeed
have such a dependency for all the tests using libm-test.c:
$(addprefix $(objpfx), $(libm-tests.o)): $(objpfx)libm-test.stmp
Thus, the before-compile definition is unnecessary, and this patch
removes it. (This may of course move serialization from the glibc
build to glibc testing, but I intend to split up libm-test.inc so that
tests for each (floating-point type, libm function) pair are built and
run separately, which should reduce that serialization.)
Tested for x86_64.
* math/Makefile (before-compile): Remove.
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It is no longer needed to preserve the flags parameter to `clone' since
the commit c579f48edba88380635ab98cb612030e3ed8691e (Remove cached
PID/TID in clone).
Testing was performed successfully on sparcv9/Linux.
[BZ #21075]
* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S (__clone): Remove
unused assignment.
* sysdeps/unix/sysv/linux/sparc/sparc32/clone.S (__clone): Likewise.
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