| Commit message (Collapse) | Author | Age | Files | Lines |
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The powerpc and sparc bits/mathinline.h include inlines of fdim and
fdimf. These are not restricted to -fno-math-errno, but do not set
errno, and wrongly use ordered <= comparisons instead of the required
islessequal comparisons (this latter issue is latent on powerpc
because GCC wrongly uses unordered comparison instructions for
operations that should use ordered comparison instructions).
Since we wish to avoid such header inlines anyway, leaving it to the
compiler to inline such standard functions under appropriate
conditions, this patch fixes those issues by removing the inlines in
question (and thus removing the sparc bits/mathinline.h header which
had no other inlines left in it). I've filed
<https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85003> for adding
correct fdim inlines to GCC, since the function is simple enough that
a correct inline is a perfectly reasonable architecture-independent
optimization with -fno-math-errno and in the absence of implicit
excess precision.
Tested with build-many-glibcs.py for all its powerpc and sparc
configurations.
[BZ #22987]
* sysdeps/powerpc/bits/mathinline.h (fdim): Remove inline
function.
(fdimf): Likewise.
* sysdeps/sparc/fpu/bits/mathinline.h: Remove file.
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Remove the now unused target specific__ieee754_sqrt(f/l) inlines.
Also remove inlines of sqrt which are for really old GCC versions.
Removing these is desirable, under the general principle of leaving
such inlining to the compiler rather than trying to do it in installed
headers, especially when only very old compilers are affected.
Note that removing inlines for __ieee754_sqrt disables inlining in the
sqrt wrapper functions. Given the sqrt function will typically only be
called for negative arguments, it doesn't matter whether the inlining
happens or not.
* sysdeps/aarch64/fpu/math_private.h (__ieee754_sqrt): Remove.
(__ieee754_sqrtf): Remove.
* sysdeps/alpha/fpu/math_private.h (__ieee754_sqrt): Remove.
(__ieee754_sqrtf): Remove.
* sysdeps/generic/math-type-macros.h (M_SQRT): Use sqrt.
* sysdeps/m68k/m680x0/fpu/mathimpl.h (__ieee754_sqrt): Remove.
* sysdeps/powerpc/fpu/math_private.h (__ieee754_sqrt): Remove.
(__ieee754_sqrtf): Remove.
* sysdeps/s390/fpu/bits/mathinline.h: Remove file.
* sysdeps/sparc/fpu/bits/mathinline.h (sqrt) Remove.
(sqrtf): Remove.
(sqrtl): Remove.
(__ieee754_sqrt): Remove.
(__ieee754_sqrtf): Remove.
(__ieee754_sqrtl): Remove.
* sysdeps/m68k/m680x0/fpu/mathimpl.h (__ieee754_sqrt): Remove.
* sysdeps/x86/fpu/math_private.h (__ieee754_sqrt): Remove.
* sysdeps/x86_64/fpu/math_private.h (__ieee754_sqrt): Remove.
(__ieee754_sqrtf): Remove.
(__ieee754_sqrtl): Remove.
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* elf/dl-support.c [!THREAD_GSCOPE_IN_TCB] (_dl_thread_gscope_count):
Define variable.
* sysdeps/generic/ldsodefs.h [!THREAD_GSCOPE_IN_TCB] (struct
rtld_global): Add _dl_thread_gscope_count member.
* sysdeps/mach/hurd/tls.h: Include <atomic.h>.
[!defined __ASSEMBLER__] (THREAD_GSCOPE_GLOBAL, THREAD_GSCOPE_SET_FLAG,
THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_WAIT): Define macros.
* sysdeps/generic/tls.h: Document THREAD_GSCOPE_IN_TCB.
* sysdeps/aarch64/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/alpha/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/arm/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/hppa/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/i386/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/ia64/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/m68k/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/microblaze/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/mips/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/nios2/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/powerpc/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/riscv/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/s390/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/sh/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/sparc/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/tile/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
* sysdeps/x86_64/nptl/tls.h: Define THREAD_GSCOPE_IN_TCB to 1.
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* sysdeps/sparc/fpu/libm-test-ulps: Update.
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Since start.o may be compiled as PIC, we should check PIC instead of
SHARED.
[BZ #22638]
* sysdeps/sparc/sparc32/start.S (_start): Check PIC instead of
SHARED.
* sysdeps/sparc/sparc64/start.S (_start): Likewise.
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* sysdeps/sparc/fpu/libm-test-ulps: Update
cpow, ctan, ctanh, j0, j1, y0, yn ulps.
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* All files with FSF copyright notices: Update copyright dates
using scripts/update-copyrights.
* locale/programs/charmap-kw.h: Regenerated.
* locale/programs/locfile-kw.h: Likewise.
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While working on another patch I noticed that (a)
sysdeps/sparc/sparc32/Makefile is the only place with special
realclean settings, apart from po/, and (b) the generated files with a
rule in that Makefile to generate them (using m4) had been patched
manually so no longer corresponded with the output of the generator -
so if the timestamps were wrong, a build would result in changes to
the files in the source directory. (They also didn't correspond
because of changes in make 3.81 to how make handles whitespace at the
start of a line in a sequence of backslash-newline continuation lines
within a recipe.)
This patch fixes the generation and output files to match. The issue
with make and whitespace at start of continuation lines is fixed by
putting those newlines outside of arguments to echo, so the number of
spaces in the argument matches the number in the existing generated
files. Then divrem.m4 is changed to avoid generating whitespace-only
lines (my fix to the outputs from 2013; this fix to the generator also
changes the indentation of a label in the output files) and to
generate an alias in udiv.S (Adhemerval's fix from March).
build-many-glibcs.py doesn't have a non-v9 SPARC configuration,
because non-v9 32-bit SPARC didn't build when I set up
build-many-glibcs.py but sparcv9 did build. Whether or not non-v9
32-bit SPARC now builds (or indeed whether or not support for it is
obsolete), I tested by removing the sparcv8 and sparcv9 versions of
the four files in question, so forcing the generated files to be built
and used, and the compilation parts of the glibc testsuite passed.
* sysdeps/sparc/sparc32/Makefile
($(divrem:%=$(sysdep_dir)/sparc/sparc32/%.S)): Do not include
start-of-line whitespace in argument of echo.
* sysdeps/sparc/sparc32/divrem.m4: Avoid generating lines starting
with whitespace. Generate __wrap_.udiv alias.
* sysdeps/sparc/sparc32/rem.S: Regenerated.
* sysdeps/sparc/sparc32/sdiv.S: Likewise.
* sysdeps/sparc/sparc32/udiv.S: Likewise.
* sysdeps/sparc/sparc32/urem.S: Likewise.
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Support added to identify Sparc M7/T7/S7/M8/T8 processor capability.
Performance tests run on Sparc S7 using new code and old niagara4 code.
Optimizations for memset also apply to bzero as they share code.
For memset/bzero, performance comparison with niagara4 code:
For memset nonzero data,
256-1023 bytes - 60-90% gain (in cache); 5% gain (out of cache)
1K+ bytes - 80-260% gain (in cache); 40-80% gain (out of cache)
For memset zero data (and bzero),
256-1023 bytes - 80-120% gain (in cache), 0% gain (out of cache)
1024+ bytes - 2-4x gain (in cache), 10-35% gain (out of cache)
Tested in sparcv9-*-* and sparc64-*-* targets in both multi and
non-multi arch configurations.
Patrick McGehearty <patrick.mcgehearty@oracle.com>
Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/sparc/sparc32/sparcv9/multiarch/Makefile
(sysdeps_routines): Add memset-niagara7.
* sysdeps/sparc/sparc64/multiarch/Makefile (sysdes_rotuines):
Likewise.
* sysdeps/sparc/sparc32/sparcv9/multiarch/memset-niagara7.S: New
file.
* sysdeps/sparc/sparc64/multiarch/memset-niagara7.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/ifunc-impl-list.c
(__libc_ifunc_impl_list): Add __bzero_niagara7 and __memset_niagara7.
* sysdeps/sparc/sparc64/multiarch/ifunc-memset.h (IFUNC_SELECTOR):
Add niagara7 option.
* NEWS: Mention sparc m7 optimized memcpy, mempcpy, memmove, and
memset.
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Support added to identify Sparc M7/T7/S7/M8/T8 processor capability.
Performance tests run on Sparc S7 using new code and old niagara4 code.
Optimizations for memcpy also apply to mempcpy and memmove
where they share code. Optimizations for memset also apply
to bzero as they share code.
For memcpy/mempcpy/memmove, performance comparison with niagara4 code:
Long word aligned data
0-127 bytes - minimal changes
128-1023 bytes - 7-30% gain
1024+ bytes - 1-7% gain (in cache); 30-100% gain (out of cache)
Word aligned data
0-127 bytes - 50%+ gain
128-1023 bytes - 10-200% gain
1024+ bytes - 0-15% gain (in cache); 5-50% gain (out of cache)
Unaligned data
0-127 bytes - 0-70%+ gain
128-447 bytes - 40-80%+ gain
448-511 bytes - 1-3% loss
512-4096 bytes - 2-3% gain (in cache); 0-20% gain (out of cache)
4096+ bytes - ± 3% (in cache); 20-50% gain (out of cache)
Tested in sparcv9-*-* and sparc64-*-* targets in both multi and
non-multi arch configurations.
Patrick McGehearty <patrick.mcgehearty@oracle.com>
Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/sparc/sparc32/sparcv9/multiarch/Makefile
(sysdeps_routines): Add memcpy-memmove-niagara7 and memmove-ultra1.
* sysdeps/sparc/sparc64/multiarch/Makefile (sysdeps_routines):
Likewise.
* sysdeps/sparc/sparc32/sparcv9/multiarch/memcpy-memmove-niagara7.S:
New file.
* sysdeps/sparc/sparc32/sparcv9/multiarch/memmove-ultra1.S: Likewise.
* sysdeps/sparc/sparc32/sparcv9/multiarch/rtld-memmove.c: Likewise.
* sysdeps/sparc/sparc64/multiarch/ifunc-impl-list.c
(__libc_ifunc_impl_list): Add __memcpy_niagara7, __mempcpy_niagara7,
and __memmove_niagara7.
* sysdeps/sparc/sparc64/multiarch/ifunc-memcpy.h (IFUNC_SELECTOR):
Add niagara7 option.
* sysdeps/sparc/sparc64/multiarch/memmove.c: New file.
* sysdeps/sparc/sparc64/multiarch/ifunc-memmove.h: Likewise.
* sysdeps/sparc/sparc64/multiarch/memcpy-memmove-niagara7.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memmove-ultra1.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/rtld-memmove.c: Likewise.
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Tested in sparcv9-*-* and sparc64-*-* targets in both non-multi-arch and
multi-arch configurations.
* sysdeps/sparc/sparc32/sparcv9/memmove.S: New file.
* sysdeps/sparc/sparc32/sparcv9/rtld-memmove.c: Likewise.
* sysdeps/sparc/sparc64/memmove.S: Likewise.
* sysdeps/sparc/sparc64/rtld-memmove.c: Likewise.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch adds support for the ADP (also known as adi) hardware
capability, as reported by the kernel sparc port when running on M7
machines.
Tested in both sparcv9-*-* and sparc64-*-* targets.
* sysdeps/sparc/bits/hwcap.h (HWCAP_SPARC_ADP): Defined.
* sysdeps/sparc/dl-procinfo.c: Added "adp" to the
_dl_sparc_cap_flags array.
* sysdeps/sparc/dl-procinfo.h (_DL_HWCAP_COUNT): Increment.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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* sysdeps/sparc/fpu/libm-test-ulps: Update
exp_{downward,towardzero,upward} ulps.
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Now that all SPARC ifunc converted to C implementation there is no need
for both C and assembly macros. This patch removes the assembly ones.
Checked on sparcv9-linux-gnu and sparc64-linux-gnu.
* sysdeps/sparc/sparc-ifunc.h (SPARC_ASM_IFUNC_DFLT,
SPARC_ASM_IFUNC1, SPARC_ASM_IFUNC2, SET, SPARC_ASM_VIS2_IFUNC,
SPARC_ASM_VIS3_IFUNC, SPARC_ASM_VIS3_VIS2_IFUNC): Remove macros.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Fix build caused by 5b4e5e78690c4938de312a8b176f4b14eb7bea4a.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign.c: Fix build
due redirect macro.
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* sysdeps/sparc/sparc64/cpu_relax.c: New file.
* sysdeps/sparc/sparc32/sparcv9/cpu_relax.c: Likewise.
* sysdeps/sparc/sparc64/cpu_relax.S: Remove file.
* sysdeps/sparc/sparc32/sparcv9/cpu_relax.S: Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch refactors the sparc32 ifunc selector to a C implementation.
Also, the generic symbol is moved to its own implementation file
s_nearbyint{f}-generic.S).
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile
(libm-sysdep_routines): Add s_nearbyintf-generic and
s_nearbyint-generic.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyint-generic.S:
New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyint.c: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyintf-generic.S:
Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyintf.c:
Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyint.S: Remove
file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyintf.S:
Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch refactors the sparc32 ifunc selector to a C implementation.
Also, the generic symbol is moved to its own implementation file
s_rint{f}-generic.S).
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile
(libm-sysdep_routines): Add s_rintf-generic and s_rint-generic.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rint-generic.S: New
file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rint.c: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rintf-generic.S:
Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rintf.c: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rint.S: Remove file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rintf.S: Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch refactors the sparc32 ifunc selector to a C implementation.
Also, the generic symbol is moved to its own implementation file
s_llrint{f}-generic.S).
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile
(libm-sysdep_routines): Add s_llrintf-generic and s_llrint-generic.
* sysdeps/sparc/sparcv9/fpu/multiarch/s_llrint-generic.S: New
file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrint.c: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrintf-generic.S:
Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrintf.c: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrint.S: Remove file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrintf.S: Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch refactors the sparc32 ifunc selector to a C implementation.
Also, the generic symbol is moved to its own implementation file
s_fabs{f}-generic.S).
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile
(libm-sysdep_routines): Add s_fabsf-generic and s_fabs-generic.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs-generic.S: New
file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.c: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf-generic.S:
Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.c: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S: Remove file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.S: Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch refactors the sparc32 ifunc selector to a C implementation.
Also, the generic symbol is moved to its own implementation file
s_copysign{f}-generic.S).
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile
(sysdep_calls): New rule.
(sysdep_routines): Use sysdep_calls as base.
(libm-sysdep_routines): Add generic rule for symbols shared with
libc. Add s_copysign-generic and s_copysign-generic objects.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign-generic.S:
New file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign.c: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysignf-generic.S:
Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysignf.c: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign.S: Remove file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysignf.S: Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch refactors the sparc64 ifunc selector to a C implementation.
Also, the generic symbol is moved to its own implementation file
add_n-generic.S).
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
* sysdeps/sparc/sparc64/multiarch/Makefile (sysdep_routines):
Add add_n-generic.
* sysdeps/sparc/sparc64/multiarch/add_n-generic.S: New file.
* sysdeps/sparc/sparc64/multiarch/add_n.c: Likewise.
* sysdeps/sparc/sparc64/multiarch/add_n.S: Remove file.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch refactors the sparc64 ifunc selector to a C implementation.
Also, the generic symbol is moved to its own implementation file
submul_1-generic.S).
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
* sysdeps/sparc/sparc64/multiarch/Makefile (sysdep_routines):
Add submul_1-generic.
* sysdeps/sparc/sparc64/multiarch/submul_1-generic.S: New file.
* sysdeps/sparc/sparc64/multiarch/submul_1.c: Likewise.
* sysdeps/sparc/sparc64/multiarch/submul_1.S: Remove file.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch refactors the sparc64 ifunc selector to a C implementation.
Also, the generic symbol is moved to its own implementation file
addmul_1-generic.S).
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
* sysdeps/sparc/sparc64/multiarch/Makefile (sysdep_routines):
Add addmul_1-generic.
* sysdeps/sparc/sparc64/multiarch/addmul_1-generic.S: New file.
* sysdeps/sparc/sparc64/multiarch/addmul_1.c: Likewise.
* sysdeps/sparc/sparc64/multiarch/addmul_1.S: Remove file.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch refactors the sparc64 ifunc selector to a C implementation.
Also, the generic symbol is moved to its own implementation file
sub_n-generic.S).
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
* sysdeps/sparc/sparc64/multiarch/Makefile (sysdep_routines):
Add sub_n-generic.
* sysdeps/sparc/sparc64/multiarch/sub_n-generic.S: New file.
* sysdeps/sparc/sparc64/multiarch/sub_n.c: Likewise.
* sysdeps/sparc/sparc64/multiarch/sub_n.S: Remove file.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch refactors the sparc64 ifunc selector to a C implementation.
Also, the generic symbol is moved to its own implementation file
mul_1-generic.S).
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
* sysdeps/sparc/sparc64/multiarch/Makefile (sysdep_routines):
Add mul_1-generic.
* sysdeps/sparc/sparc64/multiarch/mul_1-generic.S: New file.
* sysdeps/sparc/sparc64/multiarch/mul_1.c: Likewise.
* sysdeps/sparc/sparc64/multiarch/mul_1.S: Remove file.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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The sparc32/sparcv9/fpu/multiarch implementations of llrint / llrintf
have aliases lllrint / lllrintf. No such function is exported from or
used in libm and these aliases should not be there; I expect they
arose accidentally in the course of converting a 64-bit implementation
(where lrint and llrint can be aliases) to a 32-bit llrint
implementation. This patch removes those spurious aliases.
Tested (compilation only) with build-many-glibcs.py for
sparcv9-linux-gnu.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrint.S
(__lllrint): Remove alias.
(lllrint): Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrintf.S
(__lllrintf): Likewise.
(lllrintf): Likewise.
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Continuing the preparation for additional _FloatN / _FloatNx function
aliases, this patch makes sparc libm function implementations use
libm_alias_float to define function aliases.
Tested with build-many-glibcs.py for all its sparc configurations that
installed stripped shared libraries are unchanged by the patch.
* sysdeps/sparc/sparc32/fpu/s_copysignf.S: Include
<libm-alias-float.h>.
(copysignf): Define using libm_alias_float.
* sysdeps/sparc/sparc32/fpu/s_fabsf.S: Include
<libm-alias-float.h>.
(fabsf): Define using libm_alias_float.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysignf.S:
Include <libm-alias-float.h>.
(copysignf): Define using libm_alias_float.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabsf.S: Include
<libm-alias-float.h>.
(fabsf): Define using libm_alias_float.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf.c: Include
<libm-alias-float.h>.
(fdimf): Define using libm_alias_float.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf.c: Include
<libm-alias-float.h>.
(fmaf): Define using libm_alias_float.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrintf.S: Include
<libm-alias-float.h>.
(llrintf): Define using libm_alias_float.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyintf.S:
Include <libm-alias-float.h>.
(nearbyintf): Define using libm_alias_float.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rintf.S: Include
<libm-alias-float.h>.
(rintf): Define using libm_alias_float.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_llrintf.S: Include
<libm-alias-float.h>.
(llrintf): Define using libm_alias_float.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_lrintf.S: Include
<libm-alias-float.h>.
(lrintf): Define using libm_alias_float.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_nearbyintf.S: Include
<libm-alias-float.h>.
(nearbyintf): Define using libm_alias_float.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_rintf.S: Include
<libm-alias-float.h>.
(rintf): Define using libm_alias_float.
* sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf.c: Include
<libm-alias-float.h>.
(ceilf): Define using libm_alias_float.
* sysdeps/sparc/sparc64/fpu/multiarch/s_floorf.c: Include
<libm-alias-float.h>.
(floorf): Define using libm_alias_float.
* sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf.c: Include
<libm-alias-float.h>.
(fmaf): Define using libm_alias_float.
* sysdeps/sparc/sparc64/fpu/multiarch/s_lrintf.c: Include
<libm-alias-float.h>.
(lrintf): Define using libm_alias_float.
(llrintf): Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyintf.c: Include
<libm-alias-float.h>.
(nearbyintf): Define using libm_alias_float.
* sysdeps/sparc/sparc64/fpu/multiarch/s_rintf.c: Include
<libm-alias-float.h>.
(rintf): Define using libm_alias_float.
* sysdeps/sparc/sparc64/fpu/multiarch/s_truncf.c: Include
<libm-alias-float.h>.
(truncf): Define using libm_alias_float.
* sysdeps/sparc/sparc64/fpu/s_copysignf.S: Include
<libm-alias-float.h>.
(copysignf): Define using libm_alias_float.
* sysdeps/sparc/sparc64/fpu/s_fabsf.c: Include
<libm-alias-float.h>.
(fabsf): Define using libm_alias_float.
* sysdeps/sparc/sparc64/fpu/s_lrintf.S: Include
<libm-alias-float.h>.
(lrintf): Define using libm_alias_float.
(llrintf): Likewise.
* sysdeps/sparc/sparc64/fpu/s_nearbyintf.S: Include
<libm-alias-float.h>.
(nearbyintf): Define using libm_alias_float.
* sysdeps/sparc/sparc64/fpu/s_rintf.S: Include
<libm-alias-float.h>.
(rintf): Define using libm_alias_float.
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Continuing the preparation for additional _FloatN / _FloatNx function
aliases, this patch makes sparc libm function implementations use
libm_alias_double to define function aliases (with consequent
simplification where compat symbol handling is now done by those
macros rather than locally in architecture-specific code).
Tested with build-many-glibcs.py for all its sparc configurations that
installed stripped shared libraries are unchanged by the patch.
* sysdeps/sparc/sparc32/fpu/s_copysign.S: Include
<libm-alias-double.h>.
(copysign): Define using libm_alias_double.
* sysdeps/sparc/sparc32/fpu/s_fabs.S: Include
<libm-alias-double.h>.
(fabs): Define using libm_alias_double.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign.S:
Include <libm-alias-double.h>.
(copysign): Define using libm_alias_double.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S: Include
<libm-alias-double.h>.
(fabs): Define using libm_alias_double.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.c: Include
<libm-alias-double.h>.
(fdim): Define using libm_alias_double.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma.c: Include
<libm-alias-double.h>.
(fma): Define using libm_alias_double.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_llrint.S: Include
<libm-alias-double.h>.
(llrint): Define using libm_alias_double.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_nearbyint.S:
Include <libm-alias-double.h>.
(nearbyint): Define using libm_alias_double.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rint.S: Include
<libm-alias-double.h>.
(rint): Define using libm_alias_double.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S: Include
<libm-alias-double.h>.
(fabs): Define using libm_alias_double.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_llrint.S: Include
<libm-alias-double.h>.
(llrint): Define using libm_alias_double.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_nearbyint.S: Include
<libm-alias-double.h>.
(nearbyint): Define using libm_alias_double.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_rint.S: Include
<libm-alias-double.h>.
(rint): Define using libm_alias_double.
* sysdeps/sparc/sparc64/fpu/multiarch/s_ceil.c: Include
<libm-alias-double.h>.
(ceil): Define using libm_alias_double.
* sysdeps/sparc/sparc64/fpu/multiarch/s_floor.c: Include
<libm-alias-double.h>.
(floor): Define using libm_alias_double.
* sysdeps/sparc/sparc64/fpu/multiarch/s_fma.c: Include
<libm-alias-double.h>.
(fma): Define using libm_alias_double.
* sysdeps/sparc/sparc64/fpu/multiarch/s_lrint.c: Include
<libm-alias-double.h>.
(lrint): Define using libm_alias_double.
(llrint): Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyint.c: Include
<libm-alias-double.h>.
(nearbyint): Define using libm_alias_double.
* sysdeps/sparc/sparc64/fpu/multiarch/s_rint.c: Include
<libm-alias-double.h>.
(rint): Define using libm_alias_double.
* sysdeps/sparc/sparc64/fpu/multiarch/s_trunc.c: Include
<libm-alias-double.h>.
(trunc): Define using libm_alias_double.
* sysdeps/sparc/sparc64/fpu/s_copysign.S: Include
<libm-alias-double.h>.
(copysign): Define using libm_alias_double.
* sysdeps/sparc/sparc64/fpu/s_fabs.c: Include
<libm-alias-double.h>.
(fabs): Define using libm_alias_double.
* sysdeps/sparc/sparc64/fpu/s_lrint.S: Include
<libm-alias-double.h>.
(lrint): Define using libm_alias_double.
(llrint): Likewise.
* sysdeps/sparc/sparc64/fpu/s_nearbyint.S: Include
<libm-alias-double.h>.
(nearbyint): Define using libm_alias_double.
* sysdeps/sparc/sparc64/fpu/s_rint.S: Include
<libm-alias-double.h>.
(rint): Define using libm_alias_double.
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The --disable-multi-arch case of sparcv9 libm is missing a fabsl
compat symbol for when long double had the same ABI as double. This
patch adds the missing compat symbol to this implementation. As my
fix for other instances of this missing compat symbol postdates the
last release, I'm considering this as being part of bug 22229 that was
missing from my previous fix rather than as a separate issue, and so
as not needing a new bug report in Bugzilla.
Tested (compilation only) with build-many-glibcs.py for
sparcv9-linux-gnu --disable-multi-arch.
[BZ #22229]
* sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S: Include
<math_ldbl_opt.h>.
(fabsl): Define as compat symbol at version GLIBC_2_0 for libm.
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This patch refactors the sparc64 ifunc selector to a C implementation.
Also, the generic symbol is moved to its own implementation file
s_rint{f}-generic.S).
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
* sysdeps/sparc/sparc64/fpu/multiarch/Makefile
(libm-sysdep_routines): Add s_rintf-generic and s_rint-generic
objects.
* sysdeps/sparc/sparc64/fpu/multiarch/s_rint-generic.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_rint.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_rintf-generic.S: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_rintf.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_rint.S: Remove file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_rintf.S: Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch refactors the sparc64 ifunc selector to a C implementation.
Also, the generic symbol is moved to its own implementation file
s_lrint{f}-generic.S).
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
* sysdeps/sparc/sparc64/fpu/multiarch/Makefile
(libm-sysdep_routines): Add s_lrint-generic and s_lrint-generic
objects.
* sysdeps/sparc/sparc64/fpu/multiarch/s_lrint-generic.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_lrint.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_lrintf-generic.S: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_lrintf.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_lrint.S: Remove file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_lrintf.S: Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch refactors the sparc64 ifunc selector to a C implementation.
Also, the generic symbol is moved to its own implementation file
s_nearbyint{f}-generic.S).
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
* sysdeps/sparc/sparc64/fpu/multiarch/Makefile
(libm-sysdep_routines): Add s_nearbyint-generic and
s_nearbyintf-generic objects.
* sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyint-generic.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyint.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyintf-generic.S: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyintf.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyint.S: Remove file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_nearbyintf.S: Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch refactors the sparc64 ifunc selector to a C implementation.
Also, the generic symbol is moved to its own implementation file
s_finite{f}-generic.S).
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
* sysdeps/sparc/sparc64/fpu/multiarch/Makefile (sysdeps_calls):
Add s_finitef-generic and s_finite-generic objects.
* sysdeps/sparc/sparc64/fpu/multiarch/s_finite-generic.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_finite.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_finitef-generic.S: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_finitef.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_finite.S: Remove file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_finitef.S: Remove file.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch refactors the sparc64 ifunc selector to a C implementation.
Also, the generic symbol is moved to its own implementation file
s_isinf{f}-generic.S).
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
* sysdeps/sparc/sparc64/fpu/multiarch/Makefile (sysdeps_calls):
Add isinff-generic and s_isinf-generic objects.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isinf-generic.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isinf.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isinff-generic.S: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isinff.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isinf.S: Remove file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isinff.S: Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch refactors the sparc64 ifunc selector to a C implementation.
Also, the generic symbol is moved to its own implementation file
(s_isnan{f}-generic.S).
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
* sysdeps/sparc/sparc64/fpu/multiarch/Makefile (sysdeps_calls):
Add s_isnanf-generic and s_isnan-generic objects.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isnan-generic.S: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isnanf-generic.S: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isnan.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isnanf.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isnan.S: Remove file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_isnanf.S: Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch refactors the sparc64 ifunc selector to a C implementation.
Also, the generic symbol is moved to its own implementation file
(s_signbit{f}-generic.S).
It also simplifies the multiarch Makefile by moving the common objects
from libm-sysdeps_routines and sysdeps_routines to a new sysdeps_call
rule and including it where required with the correct prefix.
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
* sysdeps/sparc/sparc-ifunc.h (sparc_libm_ifunc_redirected): New
macro.
* sysdeps/sparc/sparc64/fpu/multiarch/Makefile (sysdep_calls): New
rule.
(sysdep_routines): Use sysdep_calls as base.
(libm-sysdep_routines): Add generic rule for symbols shared with
libc. Add s_signbit-generic and s_signbitf-generic objects.
* sysdeps/sparc/sparc64/fpu/multiarch/s_signbit.c: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_signbit-generic.S: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf-generic.S: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_signbit.S: Remove file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_signbitf.S: Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch assumes VIS3 support by binutils, which is supported since
version 2.22. This leads to some code simplification, mostly on
multiarch build where there is only one variant instead of previously
two (whether binutils supports VIS3 instructions or not).
For multiarch files where HAVE_AS_VIS3_SUPPORT was checked and
the default implementation was built with a different name, a new
file with (implementation with -generic appended) is added.
Checked on sparc64-linux-gnu and sparcv9-linux-gnu.
* config.h.in (HAVE_AS_VIS3_SUPPORT): Remove check for VIS3 support.
* sysdeps/sparc/configure.ac (HAVE_AS_VIS3_SUPPORT): Likewise.
* sysdeps//sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.c: Likewise.
* sysdeps//sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf.c: Likewise.
* sysdeps//sparc/sparc32/sparcv9/fpu/multiarch/s_fma.c: Likewise.
* sysdeps//sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_ceil.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_floor.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_floorf.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_fma.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_trunc.c: Likewise.
* sysdeps/sparc/sparc64/fpu/multiarch/s_truncf.c: Likewise.
* sysdeps/sparc/sparc-ifunc.h [!HAVE_AS_VIS3_SUPPORT]
(SPARC_ASM_VIS3_IFUNC, SPARC_ASM_VIS3_VIS2_IFUNC): Remove macros.
* sysdeps/sparc/sparc32/sparcv9/Makefile [$(have-as-vis3) != yes]
(ASFLAGS.o, ASFLAGS-.os, ASFLAGS-.op, ASFLAGS-.oS): Remove rules.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile
($(have-as-vis3) == yes): Remove conditional.
* sysdeps/sparc/sparc64/Makefile (($(have-as-vis3) == yes)):
Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-generic.c: New
file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf-generic.c: New
file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma-generic.c: New
file.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fmaf-generic.c: New
file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-generic.c: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf-generic.c: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_floor-generic.c: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_floorf-generic.c: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_fma-generic.c: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_fmaf-generic.c: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_trunc-generic.c: New file.
* sysdeps/sparc/sparc64/fpu/multiarch/s_truncf-generic.c: New file.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch refactor the SPARC64 ifunc selector to a C implementation.
No functional change is expected, including ifunc resolution rules.
Checked on sparc64-linux-gnu, sparcv9-linux-gnu and x86_64-linux-gnu.
* sysdeps/sparc/sparc32/sparcv9/multiarch/Makefile
[$(subdir) = string] (sysdep_routines): Add memset-ultra1.
* sysdeps/sparc/sparc64/multiarch/Makefile [$(subdir) = string]
(sysdep_routines): Add memset-ultra1.
* sysdeps/sparc/sparc32/sparcv9/multiarch/memset-ultra1.S: New
file.
* sysdeps/sparc/sparc32/sparcv9/multiarch/memset.c: Likewise.
* sysdeps/sparc/sparc32/sparcv9/multiarch/bzero.c: Likewise.
* sysdeps/sparc/sparc64/multiarch/ifunc-memset.h: Likewise.
* sysdeps/sparc/sparc64/multiarch/memset-ultra1.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memset.c: Likewise.
* sysdeps/sparc/sparc64/multiarch/bzero.c: Likewise.
* sysdeps/sparc/sparc32/sparcv9/multiarch/memset.S: Remove file.
* sysdeps/sparc/sparc64/multiarch/memset.S: Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch refactor the SPARC64 ifunc selector to a C implementation.
The x86_64 implementation is used as default, which resulted in common
definitions (ifunc-init.h) used on both architectures. No functional
change is expected, including ifunc resolution rules.
Checked on sparc64-linux-gnu, sparcv9-linux-gnu and x86_64-linux-gnu.
* sysdeps/sparc/sparc32/sparcv9/multiarch/memcpy-ultra1.S: New
file.
* sysdeps/sparc/sparc32/sparcv9/multiarch/memcpy.c: Likewise.
* sysdeps/sparc/sparc32/sparcv9/multiarch/mempcpy.c: Likewise.
* sysdeps/sparc/sparc64/multiarch/ifunc-memcpy.h: Likewise.
* sysdeps/sparc/sparc64/multiarch/memcpy-ultra1.S: Likewise.
* sysdeps/sparc/sparc64/multiarch/memcpy.c: Likewise.
* sysdeps/sparc/sparc64/multiarch/mempcpy.c: Likewise.
* sysdeps/sparc/sparc-ifunc.h (sparc_libc_ifunc_redirected): New
macro.
* sysdeps/sparc/sparc32/sparcv9/multiarch/Makefile
[$(subdir) = string] (sysdep_routines): Add memcpy-ultra1.
* sysdeps/sparc/sparc64/multiarch/Makefile [$(subdir) = string]
(sysdep_routines): Add memcpy-ultra1.
* sysdeps/sparc/sparc64/multiarch/memcpy.S: Remove file.
* sysdeps/sparc/sparc32/sparcv9/multiarch/memcpy.S: Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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sysdeps/sparc/sparc64/soft-fp has files s_frexpl.c, s_scalblnl.c and
s_scalbnl.c that are never used because the ldbl-128 versions always
come first in the sysdeps directory ordering. This patch removes the
unused files.
Tested with build-many-glibcs.py that installed stripped shared
libraries are unchanged by this patch.
* sysdeps/sparc/sparc64/soft-fp/s_frexpl.c: Remove file.
* sysdeps/sparc/sparc64/soft-fp/s_scalblnl.c: Likewise.
* sysdeps/sparc/sparc64/soft-fp/s_scalbnl.c: Likewise.
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This patch adds two new internal defines to set the internal
pthread_mutex_t layout required by the supported ABIS:
1. __PTHREAD_MUTEX_NUSERS_AFTER_KIND which control whether to define
__nusers fields before or after __kind. The preferred value for
is 0 for new ports and it sets __nusers before __kind.
2. __PTHREAD_MUTEX_USE_UNION which control whether internal __spins and
__list members will be place inside an union for linuxthreads
compatibility. The preferred value is 0 for ports and it sets
to not use an union to define both fields.
It fixes the wrong offsets value for __kind value on x86_64-linux-gnu-x32.
Checked with a make check run-built-tests=no on all afected ABIs.
[BZ #22298]
* nptl/allocatestack.c (allocate_stack): Check if
__PTHREAD_MUTEX_HAVE_PREV is non-zero, instead if
__PTHREAD_MUTEX_HAVE_PREV is defined.
* nptl/descr.h (pthread): Likewise.
* nptl/nptl-init.c (__pthread_initialize_minimal_internal):
Likewise.
* nptl/pthread_create.c (START_THREAD_DEFN): Likewise.
* sysdeps/nptl/fork.c (__libc_fork): Likewise.
* sysdeps/nptl/pthread.h (PTHREAD_MUTEX_INITIALIZER): Likewise.
* sysdeps/nptl/bits/thread-shared-types.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): New
defines.
(__pthread_internal_list): Check __PTHREAD_MUTEX_USE_UNION instead
of __WORDSIZE for internal layout.
(__pthread_mutex_s): Check __PTHREAD_MUTEX_NUSERS_AFTER_KIND instead
of __WORDSIZE for internal __nusers layout and __PTHREAD_MUTEX_USE_UNION
instead of __WORDSIZE whether to use an union for __spins and __list
fields.
(__PTHREAD_MUTEX_HAVE_PREV): Define also for __PTHREAD_MUTEX_USE_UNION
case.
* sysdeps/aarch64/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION): New
defines.
* sysdeps/alpha/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/arm/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/hppa/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/ia64/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/m68k/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/microblaze/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/mips/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/nios2/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/powerpc/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/s390/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/sh/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/sparc/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/tile/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
* sysdeps/x86/nptl/bits/pthreadtypes-arch.h
(__PTHREAD_MUTEX_NUSERS_AFTER_KIND, __PTHREAD_MUTEX_USE_UNION):
Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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This patch adds a new build test to check for internal fields
offsets for user visible internal field. Although currently
the only field which is statically initialized to a non zero value
is pthread_mutex_t.__data.__kind value, the tests also check the
offset of __kind, __spins, __elision (if supported), and __list
internal member. A internal header (pthread-offset.h) is added
to each major ABI with the reference value.
Checked on x86_64-linux-gnu and with a build check for all affected
ABIs (aarch64-linux-gnu, alpha-linux-gnu, arm-linux-gnueabihf,
hppa-linux-gnu, i686-linux-gnu, ia64-linux-gnu, m68k-linux-gnu,
microblaze-linux-gnu, mips64-linux-gnu, mips64-n32-linux-gnu,
mips-linux-gnu, powerpc64le-linux-gnu, powerpc-linux-gnu,
s390-linux-gnu, s390x-linux-gnu, sh4-linux-gnu, sparc64-linux-gnu,
sparcv9-linux-gnu, tilegx-linux-gnu, tilegx-linux-gnu-x32,
tilepro-linux-gnu, x86_64-linux-gnu, and x86_64-linux-x32).
* nptl/pthreadP.h (ASSERT_PTHREAD_STRING,
ASSERT_PTHREAD_INTERNAL_OFFSET): New macro.
* nptl/pthread_mutex_init.c (__pthread_mutex_init): Add build time
checks for internal pthread_mutex_t offsets.
* sysdeps/aarch64/nptl/pthread-offsets.h
(__PTHREAD_MUTEX_NUSERS_OFFSET, __PTHREAD_MUTEX_KIND_OFFSET,
__PTHREAD_MUTEX_SPINS_OFFSET, __PTHREAD_MUTEX_ELISION_OFFSET,
__PTHREAD_MUTEX_LIST_OFFSET): New macro.
* sysdeps/alpha/nptl/pthread-offsets.h: Likewise.
* sysdeps/arm/nptl/pthread-offsets.h: Likewise.
* sysdeps/hppa/nptl/pthread-offsets.h: Likewise.
* sysdeps/i386/nptl/pthread-offsets.h: Likewise.
* sysdeps/ia64/nptl/pthread-offsets.h: Likewise.
* sysdeps/m68k/nptl/pthread-offsets.h: Likewise.
* sysdeps/microblaze/nptl/pthread-offsets.h: Likewise.
* sysdeps/mips/nptl/pthread-offsets.h: Likewise.
* sysdeps/nios2/nptl/pthread-offsets.h: Likewise.
* sysdeps/powerpc/nptl/pthread-offsets.h: Likewise.
* sysdeps/s390/nptl/pthread-offsets.h: Likewise.
* sysdeps/sh/nptl/pthread-offsets.h: Likewise.
* sysdeps/sparc/nptl/pthread-offsets.h: Likewise.
* sysdeps/tile/nptl/pthread-offsets.h: Likewise.
* sysdeps/x86_64/nptl/pthread-offsets.h: Likewise.
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Normally, TLS relocations against local symbols are optimised by the linker
to be absolute. However, gold does not do this, and so it is possible to
end up with, for example, R_SPARC_TLS_DTPMOD64 referring to a local symbol.
Since sym_map is left as null in elf_machine_rela for the special local
symbol case, the relocation handling thinks it has nothing to do, and so
the module gets left as 0. Havoc then ensues when the variable in question
is accessed.
Before this fix, the main_local_gold program would receive a SIGBUS on
sparc64, and SIGSEGV on powerpc32. With this fix applied, that test now
passes like the rest of them.
* sysdeps/powerpc/powerpc32/dl-machine.h (elf_machine_rela):
Assign sym_map to be map for local symbols, as TLS relocations
use sym_map to determine whether the symbol is defined and to
extract the TLS information.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela): Likewise.
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This patch makes SPARC fabsl implementation use libm_alias_ldouble, to
prepare them for also defining _Float128 function aliases.
Tested with build-many-glibcs.py that installed stripped shared
libraries (sparc64-linux-gnu and sparcv9-linux-gnu) are unchanged by
the patch.
* sysdeps/sparc/sparc32/fpu/s_fabsl.c: Include
<libm-alias-ldouble.h>.
(fabsl): Define using libm_alias_ldouble.
* sysdeps/sparc/sparc64/fpu/s_fabsl.c: Include
<libm-alias-ldouble.h>.
(fabsl): Define using libm_alias_ldouble.
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This patch makes dbl-64 fma use libm_alias_double. The ldbl-opt
version is removed. The sparc32 version no longer needs to handle
compat symbols, while alpha needs a new wrapper to avoid getting the
ldbl-128 version (where ldbl-opt is earlier in the list of sysdeps
directories, so previously fma came from there).
Tested for x86_64, and tested with build-many-glibcs.py that installed
stripped shared libraries are unchanged by the patch.
* sysdeps/ieee754/dbl-64/s_fma.c: Include <libm-alias-double.h>.
(fma): Define using libm_alias_double.
* sysdeps/ieee754/ldbl-opt/s_fma.c: Remove file.
* sysdeps/sparc/sparc32/fpu/s_fma.c: Do not include
<math_ldbl_opt.h>.
(fmal): Do not define as compat symbol here.
* sysdeps/alpha/fpu/s_fma.c: New file.
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32-bit SPARC libm should have compat symbols for copysignl
(GLIBC_2.0), fabsl (GLIBC_2.0), fmal (GLIBC_2.1), pointing to the
double functions; they were present in glibc 2.8, for example, but are
now missing, probably when optimized SPARC function implementations
were added without appropriate compat symbol handling. The same
applies to copysignl in libc. This patch restores those compat
symbols.
Tested with build-many-glibcs.py for sparcv9-linux-gnu.
[BZ #22229]
* sysdeps/sparc/sparc32/fpu/s_copysign.S: Include
<math_ldbl_opt.h>
(copysignl): Define as compat symbol at version GLIBC_2_0 for libm
and libc.
* sysdeps/sparc/sparc32/fpu/s_fabs.S: Include <math_ldbl_opt.h>.
(fabsl): Define as compat symbol at version GLIBC_2_0 for libm.
* sysdeps/sparc/sparc32/fpu/s_fma.c: Include <math_ldbl_opt.h>.
(fmal): Define as compat symbol at version GLIBC_2_1 for libm.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_copysign.S:
Include <math_ldbl_opt.h>
(copysignl): Define as compat symbol at version GLIBC_2_0 for libm
and libc.
(compat_symbol): Undefine and redefine.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fabs.S: Include
<math_ldbl_opt.h>
(fabsl): Define as compat symbol at version GLIBC_2_0 for libm.
(compat_symbol): Undefine and redefine.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma.c
[HAVE_AS_VIS3_SUPPORT]: Include <math_ldbl_opt.h>.
[HAVE_AS_VIS3_SUPPORT] (fmal): Define as compat symbol at version
GLIBC_2_1 for libm.
* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Add
GLIBC_2.0 copysignl symbol.
* sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Add
GLIBC_2.0 copysignl and fabsl and GLIBC_2.1 fmal symbols.
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Remove __signbit inlines from mathinline.h. Math.h already uses
the builtin when supported, so additional inlines are only used
on pre 4.0 GCCs. Similarly remove ancient copysign and fabs
inlines.
* sysdeps/alpha/fpu/bits/mathinline.h: Delete file.
* sysdeps/ia64/fpu/bits/mathinline.h: Delete file.
* sysdeps/m68k/coldfire/fpu/bits/mathinline.h: Delete file.
* sysdeps/m68k/m680x0/fpu/bits/mathinline.h: (__signbitf): Remove.
(__signbit): Remove.
(__signbitl): Remove.
* sysdeps/powerpc/bits/mathinline.h (__signbitf): Remove.
(__signbit): Remove.
(__signbitl): Remove.
* sysdeps/s390/fpu/bits/mathinline.h: (__signbitf): Remove.
(__signbit): Remove.
(__signbitl): Remove
* sysdeps/sparc/fpu/bits/mathinline.h (__signbitf): Remove.
(__signbit): Remove.
(__signbitl): Remove.
* sysdeps/tile/bits/mathinline.h: Delete file.
* sysdeps/x86/fpu/bits/mathinline.h (__signbitf): Remove.
(__signbit): Remove.
(__signbitl): Remove.
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Simplify the C99 isgreater macros. Although some support was added
in GCC 2.97, not all targets added support until GCC 3.1. Therefore
only use the builtins in math.h from GCC 3.1 onwards, and defer to
generic macros otherwise. Improve the generic isunordered macro
to use compares rather than call fpclassify twice - this is not only
faster but also correct for signaling NaNs.
* math/math.h: Improve handling of C99 isgreater macros.
* sysdeps/alpha/fpu/bits/mathinline.h: Remove isgreater macros.
* sysdeps/m68k/m680x0/fpu/bits/mathinline.h: Likewise.
* sysdeps/powerpc/bits/mathinline.h: Likewise.
* sysdeps/sparc/fpu/bits/mathinline.h: Likewise.
* sysdeps/x86/fpu/bits/mathinline.h: Likewise.
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glibc fails to build with GCC mainline for SPARC because of the use of
manually-created IFUNCs, which fail the tests of compatibility of
function alias types. This patch changes sparc-ifunc.h to use the
generic __ifunc in defining sparc_libm_ifunc. The generic __ifunc can
use the GCC ifunc attribute when available, so ensuring
type-correctness as well as better debug info than when setting symbol
types in asm statements.
Note that for this to fix the build with GCC mainline the GCC patch
<https://gcc.gnu.org/ml/gcc-patches/2017-09/msg01779.html>, or
building GCC with --enable-gnu-indirect-function, is also needed.
Tested (compilation only) with build-many-glibcs.py (sparc64-linux-gnu
and sparcv9-linux-gnu, with GCC 8 with the above patch, and also with
GCC 7).
* sysdeps/sparc/sparc-ifunc.h [!__ASSEMBLER__] (sparc_libm_ifunc):
Define using __ifunc.
|