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324 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Paul Eggert
|
5a82c74822 |
Prefer https to http for gnu.org and fsf.org URLs
Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:
sed -ri '
s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
$(find $(git ls-files) -prune -type f \
! -name '*.po' \
! -name 'ChangeLog*' \
! -path COPYING ! -path COPYING.LIB \
! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
! -path manual/texinfo.tex ! -path scripts/config.guess \
! -path scripts/config.sub ! -path scripts/install-sh \
! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
! -path INSTALL ! -path locale/programs/charmap-kw.h \
! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
! '(' -name configure \
-execdir test -f configure.ac -o -f configure.in ';' ')' \
! '(' -name preconfigure \
-execdir test -f preconfigure.ac ';' ')' \
-print)
and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:
chmod a+x sysdeps/unix/sysv/linux/riscv/configure
# Omit irrelevant whitespace and comment-only changes,
# perhaps from a slightly-different Autoconf version.
git checkout -f \
sysdeps/csky/configure \
sysdeps/hppa/configure \
sysdeps/riscv/configure \
sysdeps/unix/sysv/linux/csky/configure
# Omit changes that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
git checkout -f \
sysdeps/powerpc/powerpc64/ppc-mcount.S \
sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
# Omit change that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
|
||
Paul A. Clarke
|
0b3c9e57a4 |
[powerpc] fegetenv_status: simplify instruction generation
fegetenv_status() wants to use the lighter weight instruction 'mffsl'
for reading the Floating-Point Status and Control Register (FPSCR).
It currently will use it directly if compiled '-mcpu=power9', and will
perform a runtime check (cpu_supports("arch_3_00")) otherwise.
Nicely, it turns out that the 'mffsl' instruction will decode to
'mffs' on architectures older than "arch_3_00" because the additional
bits set for 'mffsl' are "don't care" for 'mffs'. 'mffs' is a superset
of 'mffsl'.
So, just generate 'mffsl'.
|
||
|
Paul A. Clarke
|
fec2bd2c2d |
[powerpc] fesetenv: optimize FPSCR access
fesetenv() reads the current value of the Floating-Point Status and Control
Register (FPSCR) to determine the difference between the current state of
exception enables and the newly requested state. All of these bits are also
returned by the lighter weight 'mffsl' instruction used by fegetenv_status().
Use that instead.
Also, remove a local macro _FPU_MASK_ALL in favor of a common macro,
FPU_ENABLES_MASK from fenv_libc.h.
Finally, use a local variable ('new') in favor of a pointer dereference
('*envp').
|
||
|
Paul A. Clarke
|
e905212627 |
[powerpc] SET_RESTORE_ROUND improvements
SET_RESTORE_ROUND uses libc_feholdsetround_ppc_ctx and
libc_feresetround_ppc_ctx to bracket a block of code where the floating point
rounding mode must be set to a certain value.
For the *prologue*, libc_feholdsetround_ppc_ctx is used and performs:
1. Read/save FPSCR.
2. Create new value for FPSCR with new rounding mode and enables cleared.
3. If new value is different than current value,
a. If transitioning from a state where some exceptions enabled,
enter "ignore exceptions / non-stop" mode.
b. Write new value to FPSCR.
c. Put a mark on the wall indicating the FPSCR was changed.
(1) uses the 'mffs' instruction. On POWER9, the lighter weight 'mffsl'
instruction can be used, but it doesn't return all of the bits in the FPSCR.
fegetenv_status uses 'mffsl' on POWER9, 'mffs' otherwise, and can thus be
used instead of fegetenv_register.
(3b) uses 'mtfsf 0b11111111' to write the entire FPSCR, so it must
instead use 'mtfsf 0b00000011' to write just the enables and the mode,
because some of the rest of the bits are not valid if 'mffsl' was used.
fesetenv_mode uses 'mtfsf 0b00000011' on POWER9, 'mtfsf 0b11111111'
otherwise.
For the *epilogue*, libc_feresetround_ppc_ctx checks the mark on the wall, then
calls libc_feresetround_ppc, which just calls __libc_femergeenv_ppc with
parameters such that it performs:
1. Retreive saved value of FPSCR, saved in prologue above.
2. Read FPSCR.
3. Create new value of FPSCR where:
- Summary bits and exception indicators = current OR saved.
- Rounding mode and enables = saved.
- Status bits = current.
4. If transitioning from some exceptions enabled to none,
enter "ignore exceptions / non-stop" mode.
5. If transitioning from no exceptions enabled to some,
enter "catch exceptions" mode.
6. Write new value to FPSCR.
The summary bits are hardwired to the exception indicators, so there is no
need to restore any saved summary bits.
The exception indicator bits, which are sticky and remain set unless
explicitly cleared, would only need to be restored if the code block
might explicitly clear any of them. This is certainly not expected.
So, the only bits that need to be restored are the enables and the mode.
If it is the case that only those bits are to be restored, there is no need to
read the FPSCR. Steps (2) and (3) are unnecessary, and step (6) only needs to
write the bits being restored.
We know we are transitioning out of "ignore exceptions" mode, so step (4) is
unnecessary, and in step (6), we only need to check the state we are
entering.
|
||
|
Paul A. Clarke
|
3c1766ea10 |
[powerpc] fe{en,dis}ableexcept, fesetmode: optimize FPSCR accesses
Since fe{en,dis}ableexcept() and fesetmode() read-modify-write just the
"mode" (exception enable and rounding mode) bits of the Floating Point Status
Control Register (FPSCR), the lighter weight 'mffsl' instruction can be used
to read the FPSCR (enables and rounding mode), and 'mtfsf 0b00000011' can be
used to write just those bits back to the FPSCR. The net is better performance.
In addition, fe{en,dis}ableexcept() read the FPSCR again after writing it, or
they determine that it doesn't need to be written because it is not changing.
In either case, the local variable holds the current values of the enable
bits in the FPSCR. This local variable can be used instead of again reading
the FPSCR.
Also, that value of the FPSCR which is read the second time is validated
against the requested enables. Since the write can't fail, this validation
step is unnecessary, and can be removed. Instead, the exceptions to be
enabled (or disabled) are transformed into available bits in the FPSCR,
then validated after being transformed back, to ensure that all requested
bits are actually being set. For example, FE_INVALID_SQRT can be
requested, but cannot actually be set. This bit is not mapped during the
transformations, so a test for that bit being set before and after
transformations will show the bit would not be set, and the function will
return -1 for failure.
Finally, convert the local macros in fesetmode.c to more generally useful
macros in fenv_libc.h.
|
||
|
Paul A. Clarke
|
cd7ce12a02 |
[powerpc] fe{en,dis}ableexcept optimize bit translations
The exceptions passed to fe{en,dis}ableexcept() are defined in the ABI
as a bitmask, a combination of FE_INVALID, FE_OVERFLOW, etc.
Within the functions, these bits must be translated to/from the corresponding
enable bits in the Floating Point Status Control Register (FPSCR).
This translation is currently done bit-by-bit. The compiler generates
a series of conditional bit operations. Nicely, the "FE" exception
bits are all a uniform offset from the FPSCR enable bits, so the bit-by-bit
operation can instead be performed by a shift with appropriate masking.
|
||
|
Paul A. Clarke
|
b5232c9f9e |
[powerpc] fenv_libc.h: protect use of __builtin_cpu_supports
Using __builtin_cpu_supports() requires support in GCC and Glibc.
My recent patch to fenv_libc.h added an unprotected use of
__builtin_cpu_supports(). Compilation of Glibc itself will fail
with a sufficiently new GCC and sufficiently old Glibc:
../sysdeps/powerpc/fpu/fegetexcept.c: In function ‘__fegetexcept’:
../sysdeps/powerpc/fpu/fenv_libc.h:52:20: error: builtin ‘__builtin_cpu_supports’ needs GLIBC (2.23 and newer) that exports hardware capability bits [-Werror]
Reviewed-by: Florian Weimer <fweimer@redhat.com>
Fixes
|
||
Adhemerval Zanella
|
6ea21bfe43 |
powerpc: refactor logb{f,l}
The power7 logb implementation does not show a performance gain on
ISA 2.07+ chips with faster floating-point to GRP instructions
(currently POWER8 and POWER9).
This patch moves the POWER7 implementation to generic one and enables
it for POWER7. It also add some cleanup to use inline floating-point
number instead of define them using static const.
The performance difference is for POWER9:
- Without patch:
"logb": {
"subnormal": {
"duration": 4.99202e+09,
"iterations": 8.83662e+08,
"max": 75.194,
"min": 5.501,
"mean": 5.64925
},
"normal": {
"duration": 4.97063e+09,
"iterations": 9.97094e+08,
"max": 46.489,
"min": 4.956,
"mean": 4.98512
}
}
- With patch:
"logb": {
"subnormal": {
"duration": 4.97226e+09,
"iterations": 9.92036e+08,
"max": 77.209,
"min": 4.892,
"mean": 5.01218
},
"normal": {
"duration": 4.96192e+09,
"iterations": 1.07545e+09,
"max": 12.361,
"min": 4.593,
"mean": 4.61382
}
}
The ifunc implementation is also enabled only for powerpc64.
Checked on powerpc-linux-gnu (built without --with-cpu, with
--with-cpu=power4 and with --with-cpu=power5+ and --disable-multi-arch),
powerpc64-linux-gnu (built without --with-cp and with --with-cpu=power5+
and --disable-multi-arch).
* sysdeps/powerpc/power7/fpu/s_logb.c: Move to ...
* sysdeps/powerpc/fpu/s_logb.c: ... here. Use inline FP constants.
* sysdeps/powerpc/power7/fpu/s_logbf.c: Move to ...
* sysdeps/powerpc/fpu/s_logbf.c: ... here. Use inline FP constants.
* sysdeps/powerpc/power7/fpu/s_logbl.c: Move to ...
* sysdeps/powerpc/fpu/s_logbl.c: ... here. Use inline FP constants.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logb-power7.c:
Adjust implementation path.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logbf-power7.c:
Adjust implementation path.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_logbl-power7.c:
Adjust implementation path.
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/Makefile
(libm-sysdep_routines): Add s_log* objects.
(CFLAGS-s_logbf-power7.c, CFLAGS-s_logbl-power7.c,
CFLAGS-s_logb-power7.c): New fule.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-power7.c: Move
to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_logb-power7.c:
... here.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb-ppc64.c: Move
to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_logb-ppc64.c:
... here.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logb.c: Move to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_logb.c: ... here.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-power7.c: Move
to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_logbf-power7.c:
... here.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf-ppc64.c: Move
to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_logbf-ppc64.c:
... here.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbf.c: Move to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_logbf.c: ... here.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-power7.c: Move
to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_logbl-power7.c:
... here.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl-ppc64.c: Move
to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_logbl-ppc64.c:
... here.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_logbl.c: Move to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_logbl.c: ... here.
* sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile: Remove file.
* sysdeps/powerpc/powerpc64/power7/fpu/s_logb.c: Remove file.
* sysdeps/powerpc/powerpc64/power7/fpu/s_logbf.c: Likewise.
* sysdeps/powerpc/powerpc64/power7/fpu/s_logbl.c: Likewise.
Reviewed-by: Gabriel F. T. Gomes <gabrielftg@linux.ibm.com>
|
||
|
Adhemerval Zanella
|
931c616eed |
powerpc: Refactor modf{f}
The modf{f} optimization is not an optimization for ISA 2.07+. This
patch move the IFUNC for powerpc64 only, move the power5+ to generic
location, and include the generic implementation for ISA 2.07+.
The performance changes are based on modf benchtests:
* POWER9 - ppc64
"modf": {
"": {
"duration": 4.97057e+09,
"iterations": 1.00688e+09,
"max": 28.76,
"min": 4.912,
"mean": 4.9366
}
}
* POWER9 - power5+
"modf": {
"": {
"duration": 4.98291e+09,
"iterations": 9.32818e+08,
"max": 15.058,
"min": 5.107,
"mean": 5.34178
}
}
* POWER8 - ppc64
"modf": {
"": {
"duration": 5.05329e+09,
"iterations": 8.38814e+08,
"max": 518.051,
"min": 5.79,
"mean": 6.02433
}
}
* POWER8 - power5+
"modf": {
"": {
"duration": 5.05573e+09,
"iterations": 8.35254e+08,
"max": 63.141,
"min": 5.873,
"mean": 6.05293
}
}
* POWER7 - ppc64
"modf": {
"": {
"duration": 4.89818e+09,
"iterations": 1.08408e+09,
"max": 57.556,
"min": 3.953,
"mean": 4.51827
}
}
* POWER7 - power5+
"modf": {
"": {
"duration": 4.83789e+09,
"iterations": 1.33409e+09,
"max": 46.608,
"min": 2.224,
"mean": 3.62636
}
}
Checked on powerpc-linux-gnu (built without --with-cpu, with
--with-cpu=power4 and with --with-cpu=power5+ and --disable-multi-arch),
powerpc64-linux-gnu (built without --with-cp and with --with-cpu=power5+
and --disable-multi-arch).
* sysdeps/powerpc/power5+/fpu/s_modf.c: Move to ...
* sysdeps/powerpc/fpu/s_modf.c: ... here. Add ISA 2.07 optimization.
* sysdeps/powerpc/power5+/fpu/s_modff.c: Move to ...
* sysdeps/powerpc/fpu/s_modff.c: ... here. Add ISA 2.07 optimization.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_modf-power5+.c:
Adjust include.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_modff-power5+.c:
Likewise.
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/Makefile (sysdep_calls,
sysdep_routines): Add s_modf* objects.
(CFLAGS-s_modf-power5+.c, CFLAGS-s_modff-power5+.c,
CFLAGS-s_modf-ppc64.c, CFLAGS-s_modff-ppc64.c): New rule.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_modf-power5+.c: Move
to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_modf-power5+.c:
... here.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_modf-power5+.c: Movo
to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_modf-power5+.c: Move
... here.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_modf.c: Move to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_modf.c: ... here.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_modff-power5+.c: Move
to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_modff-power5+.c:
... here.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_modff-ppc64.c: Move to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_modff-ppc64.c:
... here.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_modff.c: Move to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_modff.c: ... here.
Reviewed-by: Gabriel F. T. Gomes <gabrielftg@linux.ibm.com>
|
||
|
Adhemerval Zanella
|
69461d9896 |
powerpc: hypot refactor and optimization
The powerpc hypot is slight optimized by:
- Commit
|
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|
Paul A. Clarke
|
3db85a9814 |
powerpc: Use faster means to access FPSCR when possible in some cases
Using 'mffs' instruction to read the Floating Point Status Control Register (FPSCR) can force a processor flush in some cases, with undesirable performance impact. If the values of the bits in the FPSCR which force the flush are not needed, an instruction that is new to POWER9 (ISA version 3.0), 'mffsl' can be used instead. Cases included: get_rounding_mode, fegetround, fegetmode, fegetexcept. * sysdeps/powerpc/bits/fenvinline.h (__fegetround): Use __fegetround_ISA300() or __fegetround_ISA2() as appropriate. (__fegetround_ISA300) New. (__fegetround_ISA2) New. * sysdeps/powerpc/fpu_control.h (IS_ISA300): New. (_FPU_MFFS): Move implementation... (_FPU_GETCW): Here. (_FPU_MFFSL): Move implementation.... (_FPU_GET_RC_ISA300): Here. New. (_FPU_GET_RC): Use _FPU_GET_RC_ISA300() or _FPU_GETCW() as appropriate. * sysdeps/powerpc/fpu/fenv_libc.h (fegetenv_status_ISA300): New. (fegetenv_status): New. * sysdeps/powerpc/fpu/fegetmode.c (fegetmode): Use fegetenv_status() instead of fegetenv_register(). * sysdeps/powerpc/fpu/fegetexcept.c (__fegetexcept): Likewise. Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com> |
||
|
Paul A. Clarke
|
49bc41b642 |
[powerpc] add 'volatile' to asm
Add 'volatile' keyword to a few asm statements, to force the compiler to generate the instructions therein. Some instances were implicitly volatile, but adding keyword for consistency. 2019-06-19 Paul A. Clarke <pc@us.ibm.com> * sysdeps/powerpc/fpu/fenv_libc.h (relax_fenv_state): Add 'volatile'. * sysdeps/powerpc/fpu/fpu_control.h (__FPU_MFFS): Likewise. (__FPU_MFFSL): Likewise. (_FPU_SETCW): Likewise. |
||
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Adhemerval Zanella
|
2166283fcc |
powerpc: Refactor powerpc32 lrint/lrintf/llrint/llrintf
This patches consolidates all the powerpc llrint{f} implementations on
the generic sysdeps/powerpc/powerpc32/fpu/s_llrint{f}.
Checked on powerpc-linux-gnu (built without --with-cpu, with
--with-cpu=power4 and with --with-cpu=power5+ and --disable-multi-arch),
powerpc64-linux-gnu (built without --with-cpu and with --with-cpu=power5+
and --disable-multi-arch).
* sysdeps/powerpc/fpu/s_lrintf.S: Remove file.
* sysdeps/powerpc/powerpc64/fpu/s_lrintf.c: Move to ...
* sysdeps/powerpc/fpu/s_lrintf.c: ... here.
* sysdeps/powerpc/powerpc32/fpu/Makefile
[$(subdir) == math] (CFLAGS-s_lrint.c): New rule.
* sysdeps/powerpc/powerpc32/fpu/s_llrint.c (__llrint): Add power4
optimization.
* sysdeps/powerpc/powerpc32/fpu/s_llrintf.c (__llrintf): Likewise.
* sysdeps/powerpc/powerpc32/fpu/s_lrint.S: Remove file.
* sysdeps/powerpc/powerpc32/fpu/s_lrint.c: New file.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/Makefile
(CFLAGS-s_llrintf-power6.c, CFLAGS-s_llrintf-ppc32.c,
CFLAGS-s_llrint-power6.c, CFLAGS-s_llrint-ppc32.c,
CFLAGS-s_lrint-ppc32.c): New rule.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_llrint-power6.S:
Remove file.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_llrint-ppc32.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_llrintf-power6.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_llrintf-ppc32.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrint-ppc32.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/s_llrint.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/s_llrintf.S: Likewise.
* sysdeps/powerpc/powerpc32/power6/fpu/s_llrint.S: Likewise.
* sysdeps/powerpc/powerpc32/power6/fpu/s_llrintf.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_llrint-power6.c:
New file.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_llrint-ppc32.c:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_llrintf-power6.c:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_llrintf-ppc32.c:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_lrint-ppc32.c:
Likewise.
Reviewed-by: Gabriel F. T. Gomes <gabrielftg@linux.ibm.com>
|
||
|
Adhemerval Zanella
|
2666f96390 |
powerpc: Remove optimized isnan
The powerpc isnan optimizations are not really a gain:
- GCC will call libm iff -fsignaling-nans is used. This usage pattern
is usually not performance oriented and for such calls PLT overhead
should dominate execution time.
- The power5, power6, and power6x are just micro-optimization to
improve the Load-Hit-Store hazards from floating-point to general
register transfer, and current GCC already has support to minimize
it by inserting either extra nops or group dispatch instructions.
- The power7 uses ftdiv to optimize for some input patterns, but at
cost of others. Comparing against generic C implementation built
for powerpc-linux-gnu-power4 (which uses the hp-timing support on
benchtests):
- Generic sysdeps/ieee754 implementation:
"isnan": {
"": {
"duration": 4.98415e+09,
"iterations": 2.34516e+09,
"max": 45.925,
"min": 2.052,
"mean": 2.12529
},
"INF": {
"duration": 4.74057e+09,
"iterations": 1.69761e+09,
"max": 91.01,
"min": 2.052,
"mean": 2.79249
},
"NAN": {
"duration": 4.74071e+09,
"iterations": 1.68768e+09,
"max": 282.343,
"min": 2.052,
"mean": 2.809
}
}
- power7 optimized one:
$ ./testrun.sh benchtests/bench-isnan
"isnan": {
"": {
"duration": 4.96842e+09,
"iterations": 2.56297e+09,
"max": 50.048,
"min": 1.872,
"mean": 1.93854
},
"INF": {
"duration": 4.76648e+09,
"iterations": 1.54213e+09,
"max": 373.408,
"min": 2.661,
"mean": 3.09084
},
"NAN": {
"duration": 4.76845e+09,
"iterations": 1.54515e+09,
"max": 51.016,
"min": 2.736,
"mean": 3.08607
}
}
So it basically optimizes marginally for normal numbers while
increasing the latency for other kind of FP.
- The generic implementation requires getting the floating point
status, disable the invalid operation bit, and restore the
floating-point status. Each operation is costly and requires
flushing the FP pipeline.
Using the same scenarion for the previous analysis:
"isnan": {
"": {
"duration": 5.08284e+09,
"iterations": 6.2898e+08,
"max": 41.844,
"min": 8.057,
"mean": 8.08108
},
"INF": {
"duration": 4.97904e+09,
"iterations": 6.16176e+08,
"max": 39.661,
"min": 8.057,
"mean": 8.08055
},
"NAN": {
"duration": 4.98695e+09,
"iterations": 5.95866e+08,
"max": 29.728,
"min": 8.345,
"mean": 8.36925
}
}
- The power8 implementation is just the generic implementation using
ISA 2.07 mfvsrd instruction (which GCC uses for generic implementation).
So generic implementation is the best option for powerpc64le.
Checked on powerpc-linux-gnu (built without --with-cpu, with
--with-cpu=power4 and with --with-cpu=power5+ and --disable-multi-arch),
powerpc64-linux-gnu (built without --with-cp and with --with-cpu=power5+
and --disable-multi-arch).
* sysdeps/powerpc/fpu/s_isnan.c: Remove file.
* sysdeps/powerpc/fpu/s_isnanf.S: Likewise.
* sysdeps/powerpc/powerpc32/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/Makefile
(sysdeps_routines, libm-sysdep_routines): Remove s_isnan-* and
s_isnanf-* objects.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan-power5.S:
Remove file
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan-power6.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan-power7.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan-ppc32.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnan.c: Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnanf-power5.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnanf-power6.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_isnanf.c: Likewise.
* sysdeps/powerpc/powerpc32/power5/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc32/power5/fpu/s_isnanf.S: Likewise.
* sysdeps/powerpc/powerpc32/power6/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc32/power6/fpu/s_isnanf.S: Likewise.
* sysdeps/powerpc/powerpc32/power7/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc32/power7/fpu/s_isnanf.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile (sysdep_calls):
Remove s_isnan-* and s_isnanf-* objects.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power5.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power6.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power6x.S:
Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power7.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-power8.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnan.c: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_isnanf.c: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc64/power5/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc64/power6/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc64/power6x/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc64/power7/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc64/power7/fpu/s_isnanf.S: Likewise.
* sysdeps/powerpc/powerpc64/power8/fpu/s_isnan.S: Likewise.
* sysdeps/powerpc/powerpc64/power8/fpu/s_isnanf.S: Likewise.
Reviewed-by: Gabriel F. T. Gomes <gabrielftg@linux.ibm.com>
|
||
|
Adhemerval Zanella
|
e41d66e41a |
powerpc: copysign cleanup
GCC always expand copysign{f} for all possible cpus, so calling the libm
is only done if user explicitly states to disable the builtin (which is
done usually not for performance reason). So to provide ifunc variant
for copysign is just unrequired complexity, since libm will be called
on non-performance critical code.
This patch removes both powerpc32 and powerpc64 ifunc variants and
consolidates the powerpc implementation on
sysdeps/powerpc/fpu/s_copysign{f}.c using compiler builtins.
Checked on powerpc-linux-gnu (built without --with-cpu, with
--with-cpu=power4 and with --with-cpu=power5+ and --disable-multi-arch),
powerpc64-linux-gnu (built without --with-cp and with --with-cpu=power5+
and --disable-multi-arch).
* sysdeps/powerpc/fpu/s_copysign.c: New file.
* sysdeps/powerpc/fpu/s_copysignf.c: Likewise.
* sysdeps/powerpc/powerpc32/fpu/s_copysign.S: Remove file.
* sysdeps/powerpc/powerpc32/fpu/s_copysignf.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/Makefile
(sysdep_routines, libm-sysdep_routines): Remove s_copysign-power6 and
s_copysign-ppc32.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_copysign-power6.S:
Remove file.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_copysign-ppc32.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_copysign.c:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_copysignf.c:
Likewise.
* sysdeps/powerpc/powerpc32/power6/fpu/s_copysign.S: Likewise.
* sysdeps/powerpc/powerpc32/power6/fpu/s_copysignf.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile (sysdeps_calls):
Remove s_copysign-power6 s_copysign-ppc64.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysign-power6.S:
Remove file.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysign-ppc64.S:
Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysign.c: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_copysignf.c: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_copysign.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_copysignf.S: Likewise.
* sysdeps/powerpc/powerpc64/power6/fpu/s_copysign.S: Likewise.
* sysdeps/powerpc/powerpc64/power6/fpu/s_copysignf.S: Likewise.
Reviewed-by: Gabriel F. T. Gomes <gabrielftg@linux.ibm.com>
|
||
|
Adhemerval Zanella
|
21bd039bb4 |
powerpc: consolidate rint
This patches consolidates all the powerpc rint{f} implementations on
the generic sysdeps/powerpc/fpu/s_rint{f}.
Checked on powerpc-linux-gnu (built without --with-cpu, with
--with-cpu=power4 and with --with-cpu=power5+ and --disable-multi-arch),
powerpc64-linux-gnu (built without --with-cp and with --with-cpu=power5+
and --disable-multi-arch).
* sysdeps/powerpc/fpu/round_to_integer.h (set_fenv_mode,
round_to_integer_float, round_mode): Add RINT handling.
(reset_fenv_mode): New symbol.
* sysdeps/powerpc/fpu/s_rint.c (__rint): Use generic implementation.
* sysdeps/powerpc/fpu/s_rintf.c (__rintf): Likewise.
* sysdeps/powerpc/powerpc32/fpu/s_rint.S: Remove file.
* sysdeps/powerpc/powerpc32/fpu/s_rintf.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_rint.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_rintf.S: Likewise.
Reviewed-by: Gabriel F. T. Gomes <gabrielftg@linux.ibm.com>
|
||
|
Paul A. Clarke
|
de751ebc9e |
[powerpc] get_rounding_mode: utilize faster method to get rounding mode
Add support to use 'mffsl' instruction if compiled for POWER9 (or later). Also, mask the result to avoid bleeding unrelated bits into the result of _FPU_GET_RC(). Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com> |
||
|
Paul A. Clarke
|
0158473d8f |
[powerpc] fegetexcept: utilize function instead of duplicating code
fegetexcept() included code which exactly duplicates the code in fenv_reg_to_exceptions(). Replace with a call to that function. 2019-06-05 Paul A. Clarke <pc@us.ibm.com> * sysdeps/powerpc/fpu/fegetexcept.c (__fegetexcept): Replace code with call to equivalent function. |
||
|
Adhemerval Zanella
|
e47308c98d |
powerpc: generic nearbyint/nearbyintf
This patches consolidates all the powerpc nearbyint{f} implementations
on the generic sysdeps/powerpc/fpu/s_nearbyint{f}.
* sysdeps/powerpc/fpu/round_to_integer.h (set_fenv_mode): Add
NEARBYINT handling.
* sysdeps/powerpc/fpu/s_nearbyint.c: New file.
* sysdeps/powerpc/fpu/s_nearbyintf.c: Likewise.
* sysdeps/powerpc/powerpc32/fpu/s_nearbyint.S: Remove file.
* sysdeps/powerpc/powerpc32/fpu/s_nearbyintf.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_nearbyint.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_nearbyintf.S: Likewise.
|
||
|
Adhemerval Zanella
|
ae45cf84af |
powerpc: trunc/truncf refactor
This patches consolidates all the powerpc trunc{f} implementations on
the generic sysdeps/powerpc/fpu/s_trunc{f}. The generic implementation
uses either the compiler builts for ISA 2.03+ (which generates the
frim instruction) or a generic implementation which uses FP only
operations.
The IFUNC organization for powerpc64 is also change to be enabled only
for powerpc64 and not for powerpc64le (since minium ISA of 2.08 does not
require the fallback generic implementation).
Checked on powerpc-linux-gnu (built without --with-cpu, with
--with-cpu=power4 and with --with-cpu=power5+ and --disable-multi-arch),
powerpc64-linux-gnu (built without --with-cp and with --with-cpu=power5+
and --disable-multi-arch).
* sysdeps/powerpc/fpu/trunc_to_integer.h (set_fenv_mode): Add
TRUNC handling.
(round_mode): Add definition for TRUNC.
* sysdeps/powerpc/fpu/s_trunc.c: New file.
* sysdeps/powerpc/fpu/s_truncf.c: New file.
* sysdeps/powerpc/powerpc32/fpu/s_trunc.S: Remove file.
* sysdeps/powerpc/powerpc32/fpu/s_truncf.S: Likewise.
* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_trunc-power5+.S:
Likewise.
* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_trunc-ppc32.S:
Likewise.
* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_truncf-power5+.S:
Likewise.
* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_truncf-ppc32.S:
Likewise.
* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_trunc-power5+.c: New
file.
* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_trunc-ppc32.c:
Likewise.
* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_truncf-power5+.c:
Likewise.
* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_truncf-ppc32.c:
Likewise.
* sysdep/powerpc/powerpc32/power5+/fpu/s_trunc.S: Remove file.
* sysdep/powerpc/powerpc32/power5+/fpu/s_truncf.S: Likewise.
* sysdep/powerpc/powerpc64/be/fpu/multiarch/Makefile
(libm-sysdep_routines): Add s_trunc-power5+, s_trunc-ppc64,
s_truncf-power5+, and s_truncf-ppc64.
(CFLAGS-s_trunc-power5+.c, CFLAGS-s_truncf-power5+.c): New rule.
* sysdep/powerpc/powercp64/be/fpu/multiarch/s_trunc-power5+.c: New
file.
* sysdep/powerpc/powercp64/be/fpu/multiarch/s_trunc-ppc64.c: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_trunc.c: Move to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_trunc.c: ... here.
* sysdep/powerpc/powercp64/be/fpu/multiarch/s_truncf-power5+.c: New
file.
* sysdep/powerpc/powercp64/be/fpu/multiarch/s_truncf-ppc64.c:
Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_truncf.c: Move to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_truncf.c: ... here.
* sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
(libm-sysdep_routines): Remove s_trunc-power5+, s_trunc-ppc64,
s_truncf-power5+, and s_truncf-ppc64.
* sysdep/powerpc/powerpc64/fpu/multiarch/s_trunc-power5+.S: Remove
file.
* sysdep/powerpc/powerpc64/fpu/multiarch/s_trunc-ppc64.S: Likewise.
* sysdep/powerpc/powerpc64/fpu/multiarch/s_truncf-power5+.S:
Likewise.
* sysdep/powerpc/powerpc64/fpu/multiarch/s_truncf-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_trunc.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_truncf.S: Likewise.
* sysdep/powerpc/powerpc64/power5+/fpu/s_trunc.S: Likewise.
* sysdep/powerpc/powerpc64/power5+/fpu/s_truncf.S: Likewise.
Reviewed-by: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
|
||
|
Adhemerval Zanella
|
a1cb1888b7 |
powerpc: round/roundf refactor
This patches consolidates all the powerpc round{f} implementations on
the generic sysdeps/powerpc/fpu/s_round{f}. The generic implementation
uses either the compiler builts for ISA 2.03+ (which generates the
frim instruction) or a generic implementation which uses FP only
operations.
The IFUNC organization for powerpc64 is also change to be enabled only
for powerpc64 and not for powerpc64le (since minium ISA of 2.08 does not
require the fallback generic implementation).
Checked on powerpc-linux-gnu (built without --with-cpu, with
--with-cpu=power4 and with --with-cpu=power5+ and --disable-multi-arch),
powerpc64-linux-gnu (built without --with-cp and with --with-cpu=power5+
and --disable-multi-arch).
* sysdeps/powerpc/fpu/round_to_integer.h (set_fenv_mode): Add
ROUND handling.
(round_mode): Add definition for ROUND.
(round_to_integer_float): Likewise.
* sysdeps/powerpc/fpu/s_round.c: New file.
* sysdeps/powerpc/fpu/s_roundf.c: New file.
* sysdeps/powerpc/powerpc32/fpu/s_round.S: Remove file.
* sysdeps/powerpc/powerpc32/fpu/s_roundf.S: Likewise.
* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_round-power5+.S:
Likewise.
* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_round-ppc32.S:
Likewise.
* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_roundf-power5+.S:
Likewise.
* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_roundf-ppc32.S:
Likewise.
* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_round-power5+.c: New
file.
* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_round-ppc32.c:
Likewise.
* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_roundf-power5+.c:
Likewise.
* sysdep/powerpc/powepc32/power4/fpu/multiarch/s_roundf-ppc32.c:
Likewise.
* sysdep/powerpc/powerpc32/power5+/fpu/s_round.S: Remove file.
* sysdep/powerpc/powerpc32/power5+/fpu/s_roundf.S: Likewise.
* sysdep/powerpc/powerpc64/be/fpu/multiarch/Makefile
(libm-sysdep_routines): Add s_round-power5+, s_round-ppc64,
s_roundf-power5+, and s_roundf-ppc64.
(CFLAGS-s_round-power5+.c, CFLAGS-s_roundf-power5+.c): New rule.
* sysdep/powerpc/powercp64/be/fpu/multiarch/s_round-power5+.c: New
file.
* sysdep/powerpc/powercp64/be/fpu/multiarch/s_round-ppc64.c: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_round.c: Move to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_round.c: ... here.
* sysdep/powerpc/powercp64/be/fpu/multiarch/s_roundf-power5+.c: New
file.
* sysdep/powerpc/powercp64/be/fpu/multiarch/s_roundf-ppc64.c:
Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_roundf.c: Move to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_roundf.c: ... here.
* sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
(libm-sysdep_routines): Remove s_round-power5+, s_round-ppc64,
s_roundf-power5+, and s_roundf-ppc64.
* sysdep/powerpc/powerpc64/fpu/multiarch/s_round-power5+.S: Remove
file.
* sysdep/powerpc/powerpc64/fpu/multiarch/s_round-ppc64.S: Likewise.
* sysdep/powerpc/powerpc64/fpu/multiarch/s_roundf-power5+.S:
Likewise.
* sysdep/powerpc/powerpc64/fpu/multiarch/s_roundf-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_round.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_roundf.S: Likewise.
* sysdep/powerpc/powerpc64/power5+/fpu/s_round.S: Likewise.
* sysdep/powerpc/powerpc64/power5+/fpu/s_roundf.S: Likewise.
Reviewed-by: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
|
||
|
Adhemerval Zanella
|
252296c625 |
powerpc: floor/floorf refactor
This patches consolidates all the powerpc floor{f} implementations on
the generic sysdeps/powerpc/fpu/s_floor{f}. The generic implementation
uses either the compiler builts for ISA 2.03+ (which generates the
frim instruction) or a generic implementation which uses FP only
operations.
The IFUNC organization for powerpc64 is also change to be enabled only
for powerpc64 and not for powerpc64le (since minium ISA of 2.08 does not
require the fallback generic implementation).
Checked on powerpc-linux-gnu (built without --with-cpu, with
--with-cpu=power4 and with --with-cpu=power5+ and --disable-multi-arch),
powerpc64-linux-gnu (built without --with-cp and with --with-cpu=power5+
and --disable-multi-arch).
* sysdeps/powerpc/fpu/round_to_integer.h (set_fenv_mode):
Add FLOOR option.
(round_mode): Add definition for FLOOR.
* sysdeps/powerpc/fpu/s_floor.c: New file.
* sysdeps/powerpc/fpu/s_floorf.c: Likewise.
* sysdeps/powerpc/powerpc32/fpu/s_floor.S: Remove file.
* sysdeps/powerpc/powerpc32/fpu/s_floorf.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_floor-power5+.S:
Remove file.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_floor-ppc32.S:
Likewise
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_floorf-power5+.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_floorf-ppc32.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_floor-power5+.c:
New file.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_floor-ppc32.c:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_floorf-power5+.c:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_floorf-ppc32.c:
Likewise.
* sysdeps/powerpc/powerpc32/power5+/fpu/s_floor.S: Remove file.
* sysdeps/powerpc/powerpc32/power5+/fpu/s_floorf.S: Remove file.
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/Makefile
(libm-sysdep_routines): Add s_floor-power5+, s_floor-ppc64,
s_floorf-power5+, and s_floorf-ppc64.
(CFLAGS-s_floor-power5+.c, CFLAGS-s_floorf-power5+.c): New rule.
* sysdep/powerpc/powerpc64/be/fpu/multiarch/s_floor-power5+.c: New
file.
* sysdep/powerpc/powerpc64/be/fpu/multiarch/s_floor-ppc64.c: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_floor.c: Move to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_floor.c: ... here.
* sysdep/powerpc/powerpc64/be/fpu/multiarch/s_floorf-power5+.c: New
file.
* sysdep/powerpc/powerpc64/be/fpu/multiarch/s_floorf-ppc64.c:
Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_floorf.c: Move to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_floorf.c: ... here.
* sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
(libm-sysdep_routines): Remove s_floor-power5+, s_floor-ppc64,
s_floorf-power5+, and s_floorf-ppc64.
* sysdep/powerpc/powerpc64/fpu/multiarch/s_floor-power5+.S: Remove
file.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_floor-ppc64.S: Remove
file.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_floorf-power5+.S:
Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_floorf-ppc64.S:
Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_floor.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_floorf.S: Likewise.
* sysdeps/powerpc/powerpc64/power5+/fpu/s_floor.S: Likewise.
* sysdeps/powerpc/powerpc64/power5+/fpu/s_floorf.S: Likewise.
Reviewed-by: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
|
||
|
Adhemerval Zanella
|
6cac323c8d |
powerpc: ceil/ceilf refactor
This patches consolidates all the powerpc ceil{f} implementations on
the generic sysdeps/powerpc/fpu/s_ceil{f}. The generic implementation
uses either the compiler builts for ISA 2.03+ (which generates the frip
instruction) or a generic implementation which uses FP only operations.
It adds a generic implementation (round_to_integer.h) which is shared
with other rounding to integer routines. The resulting code should be
similar in term os performance to previous assembly one.
The IFUNC organization for powerpc64 is also change to be enabled only
for powerpc64 and not for powerpc64le (since minium ISA of 2.08 does not
require the fallback generic implementation).
Checked on powerpc-linux-gnu (built without --with-cpu, with
--with-cpu=power4 and with --with-cpu=power5+ and --disable-multi-arch),
powerpc64-linux-gnu (built without --with-cp and with --with-cpu=power5+
and --disable-multi-arch).
* sysdeps/powerpc/fpu/fenv_libc.h (__fesetround_inline_nocheck): New
function.
* sysdeps/powerpc/fpu/round_to_integer.h: New file.
* sysdeps/powerpc/fpu/s_ceil.c: Likewise.
* sysdeps/powerpc/fpu/s_ceilf.c: Likewise.
* sysdeps/powerpc/powerpc32/fpu/s_ceil.S: Remove file.
* sysdeps/powerpc/powerpc32/fpu/s_ceilf.S: Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/Makefile
(CFLAGS-s_ceil-power5+.c, CFLAGS-s_ceilf-power5+.c): New rule.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_ceil-power5+.S:
Remove file.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_ceil-ppc32.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_ceilf-power5+.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_ceilf-ppc32.S:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_ceil-power5+.c:
New file.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_ceil-ppc32.c:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_ceilf-power5+.c:
Likewise.
* sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_ceilf-ppc32.c:
Likewise.
* sysdeps/powerpc/powerpc32/power5+/fpu/s_ceil.S: Remove file.
* sysdeps/powerpc/powerpc32/power5+/fpu/s_ceilf.S: Likewise.
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/Makefile: New file.
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_ceil-power5+.c:
Likewise.
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_ceil-ppc64.c:
Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_ceil.c: Move to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_ceil.c: ... here.
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_ceilf-power5+.c: New
file.
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_ceilf-ppc64.c:
Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_ceilf.c: Move to ...
* sysdeps/powerpc/powerpc64/be/fpu/multiarch/s_ceilf.c: ...
* here.
* sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile
(libm-sysdep_routines): Remove s_ceil-power5+, s_ceil-ppc64,
s_ceilf-power5+, and s_ceilf-ppc64.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_ceil-power5+.S: Remove
file.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_ceil-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_ceilf-power5+.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/multiarch/s_ceilf-ppc64.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_ceil.S: Likewise.
* sysdeps/powerpc/powerpc64/fpu/s_ceilf.S: Likewise.
* sysdeps/powerpc/powerpc64/power5+/fpu/s_ceil.S: Likewise.
* sysdeps/powerpc/powerpc64/power5+/fpu/s_ceilf.S: Likewise.
Reviewed-by: Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
|
||
|
Adhemerval Zanella
|
52faba65f8 |
powerpc: Fix format issue from 3a16dd780e
* sysdeps/powerpc/fpu/s_fma.c: Fix format. * sysdeps/powerpc/fpu/s_fmaf.c: Likewise. |
||
|
Adhemerval Zanella
|
3a16dd780e |
powerpc: fma using builtins
This patch just refactor the assembly implementation to use compiler builtins instead. Checked on powerpc-linux-gnu (built without --with-cpu, with --with-cpu=power4 and with --with-cpu=power5+ and --disable-multi-arch), powerpc64-linux-gnu (built without --with-cp and with --with-cpu=power5+ and --disable-multi-arch). * sysdeps/powerpc/fpu/s_fma.S: Remove file. * sysdeps/powerpc/fpu/s_fmaf.S: Likewise. * sysdeps/powerpc/fpu/s_fma.c: New file. * sysdeps/powerpc/fpu/s_fmaf.c: Likewise. |
||
|
Adhemerval Zanella
|
1dac8bd6f2 |
powerpc: Use generic fabs{f} implementations
Since
|
||
|
Paul A. Clarke
|
10cce66930 |
[powerpc] Use __builtin_{mffs,mtfsf}
Replace inline asm uses of the "mffs" and "mtfsf" instructions with the analogous GCC builtins. __builtin_mffs and __builtin_mtfsf are both available in GCC 5 and above. Given the minimum GCC level for GLibC is now GCC 6.2, it is safe to use these builtins without restriction. 2019-03-29 Paul A. Clarke <pc@us.ibm.com> * sysdeps/powerpc/fpu/fenv_libc.h (fegetenv_register): Replace inline asm with builtin. * sysdeps/powerpc/powerpc64/le/fpu/sfp-machine.h (FP_INIT_ROUNDMODE): Likewise. * sysdeps/powerpc/fpu/tst-setcontext-fpscr.c (_GET_DI_FPSCR): Likewise. (_GET_SI_FPSCR): Likewise. (_SET_SI_FPSCR): Likewise. |
||
|
Adhemerval Zanella
|
019638910e |
powerpc: Remove ununsed s_float_bitwise.h
This file is not used anywhere since removal of {k,e}_rem_pio2f.c
(commit
|
||
Joseph Myers
|
c4f50205e1 |
Add some spaces before '('.
This patch fixes various places where a space should have been present
before '(' in accordance with the GNU Coding Standards. Most but not
all of the fixes in this patch are for calls to sizeof (but it's not
exhaustive regarding such calls that should be fixed).
Tested for x86_64, and with build-many-glibcs.py.
* benchtests/bench-strcpy.c (do_test): Use space before '('.
* benchtests/bench-string.h (cmdline_process_function): Likewise.
* benchtests/bench-strlen.c (do_test): Likewise.
(test_main): Likewise.
* catgets/gencat.c (read_old): Likewise.
* elf/cache.c (load_aux_cache): Likewise.
* iconvdata/bug-iconv8.c (do_test): Likewise.
* math/test-tgmath-ret.c (do_test): Likewise.
* nis/nis_call.c (rec_dirsearch): Likewise.
* nis/nis_findserv.c (__nis_findfastest_with_timeout): Likewise.
* nptl/tst-audit-threads.c (do_test): Likewise.
* nptl/tst-cancel4-common.h (set_socket_buffer): Likewise.
* nss/nss_test1.c (init): Likewise.
* nss/test-netdb.c (test_hosts): Likewise.
* posix/execvpe.c (maybe_script_execute): Likewise.
* stdio-common/tst-fmemopen4.c (do_test): Likewise.
* stdio-common/tst-printf.c (do_test): Likewise.
* stdio-common/vfscanf-internal.c (__vfscanf_internal): Likewise.
* stdlib/fmtmsg.c (NKEYWORDS): Likewise.
* stdlib/qsort.c (STACK_SIZE): Likewise.
* stdlib/test-canon.c (do_test): Likewise.
* stdlib/tst-swapcontext1.c (do_test): Likewise.
* string/memcmp.c (OPSIZ): Likewise.
* string/test-strcpy.c (do_test): Likewise.
(do_random_tests): Likewise.
* string/test-strlen.c (do_test): Likewise.
(test_main): Likewise.
* string/test-strrchr.c (do_test): Likewise.
(do_random_tests): Likewise.
* string/tester.c (test_memrchr): Likewise.
(test_memchr): Likewise.
* sysdeps/generic/memcopy.h (OPSIZ): Likewise.
* sysdeps/generic/unwind-dw2.c (execute_stack_op): Likewise.
* sysdeps/generic/unwind-pe.h (read_sleb128): Likewise.
(read_encoded_value_with_base): Likewise.
* sysdeps/hppa/dl-machine.h (elf_machine_runtime_setup): Likewise.
* sysdeps/hppa/fpu/feupdateenv.c (__feupdateenv): Likewise.
* sysdeps/ia64/fpu/sfp-machine.h (TI_BITS): Likewise.
* sysdeps/mach/hurd/spawni.c (__spawni): Likewise.
* sysdeps/posix/spawni.c (maybe_script_execute): Likewise.
* sysdeps/powerpc/fpu/tst-setcontext-fpscr.c (query_auxv):
Likewise.
* sysdeps/unix/sysv/linux/aarch64/bits/procfs.h (ELF_NGREG):
Likewise.
* sysdeps/unix/sysv/linux/arm/bits/procfs.h (ELF_NGREG): Likewise.
* sysdeps/unix/sysv/linux/arm/ioperm.c (init_iosys): Likewise.
* sysdeps/unix/sysv/linux/csky/bits/procfs.h (ELF_NGREG):
Likewise.
* sysdeps/unix/sysv/linux/m68k/bits/procfs.h (ELF_NGREG):
Likewise.
* sysdeps/unix/sysv/linux/nios2/bits/procfs.h (ELF_NGREG):
Likewise.
* sysdeps/unix/sysv/linux/spawni.c (maybe_script_execute):
Likewise.
* sysdeps/unix/sysv/linux/x86/bits/procfs.h (ELF_NGREG): Likewise.
* sysdeps/unix/sysv/linux/x86/bits/sigcontext.h
(FP_XSTATE_MAGIC2_SIZE): Likewise.
* sysdeps/x86/fpu/sfp-machine.h (TI_BITS): Likewise.
* time/test_time.c (main): Likewise.
|
||
|
Paul Clarke
|
a51bc4fe9d |
Use float in e_sqrt.c
The type used within e_sqrt.c(__slow_ieee754_sqrtf) was, unnecessarily and
likely inadvertently, double. float is not only appropriate, but also
more efficient, avoiding the need for the compiler to emit a
round-to-single-precision instruction.
This is the difference in compiled code:
0000000000000000 <__ieee754_sqrtf>:
0: 2c 08 20 ec fsqrts f1,f1
- 4: 18 08 20 fc frsp f1,f1
- 8: 20 00 80 4e blr
+ 4: 20 00 80 4e blr
(Found by Anton Blanchard.)
|
||
|
Joseph Myers
|
04277e02d7 |
Update copyright dates with scripts/update-copyrights.
* 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. |
||
|
Joseph Myers
|
9755bc4686 |
Use round functions not __round functions in glibc libm.
Continuing the move to use, within libm, public names for libm functions that can be inlined as built-in functions on many architectures, this patch moves calls to __round functions to call the corresponding round names instead, with asm redirection to __round when the calls are not inlined. An additional complication arises in sysdeps/ieee754/ldbl-128ibm/e_expl.c, where a call to roundl, with the result converted to int, gets converted by the compiler to call lroundl in the case of 32-bit long, so resulting in localplt test failures. It's logically correct to let the compiler make such an optimization; an appropriate asm redirection of lroundl to __lroundl is thus added to that file (it's not needed anywhere else). Tested for x86_64, and with build-many-glibcs.py. * include/math.h [!_ISOMAC && !(__FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0) && !NO_MATH_REDIRECT] (round): Redirect using MATH_REDIRECT. * sysdeps/aarch64/fpu/s_round.c: Define NO_MATH_REDIRECT before header inclusion. * sysdeps/aarch64/fpu/s_roundf.c: Likewise. * sysdeps/ieee754/dbl-64/s_round.c: Likewise. * sysdeps/ieee754/dbl-64/wordsize-64/s_round.c: Likewise. * sysdeps/ieee754/float128/s_roundf128.c: Likewise. * sysdeps/ieee754/flt-32/s_roundf.c: Likewise. * sysdeps/ieee754/ldbl-128/s_roundl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_roundl.c: Likewise. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_round.c: Likewise. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_roundf.c: Likewise. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_round.c: Likewise. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_roundf.c: Likewise. * sysdeps/riscv/rv64/rvd/s_round.c: Likewise. * sysdeps/riscv/rvf/s_roundf.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_roundl.c: Likewise. (round): Redirect to __round. (__roundl): Call round instead of __round. * sysdeps/powerpc/fpu/math_private.h [_ARCH_PWR5X] (__round): Remove macro. [_ARCH_PWR5X] (__roundf): Likewise. * sysdeps/ieee754/dbl-64/e_gamma_r.c (gamma_positive): Use round functions instead of __round variants. * sysdeps/ieee754/flt-32/e_gammaf_r.c (gammaf_positive): Likewise. * sysdeps/ieee754/ldbl-128/e_gammal_r.c (gammal_positive): Likewise. * sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c (gammal_positive): Likewise. * sysdeps/ieee754/ldbl-96/e_gammal_r.c (gammal_positive): Likewise. * sysdeps/x86/fpu/powl_helper.c (__powl_helper): Likewise. * sysdeps/ieee754/ldbl-128ibm/e_expl.c (lroundl): Redirect to __lroundl. (__ieee754_expl): Call roundl instead of __roundl. |
||
|
Joseph Myers
|
7abf97bed9 |
Use trunc functions not __trunc functions in glibc libm.
Continuing the move to use, within libm, public names for libm functions that can be inlined as built-in functions on many architectures, this patch moves calls to __trunc functions to call the corresponding trunc names instead, with asm redirection to __trunc when the calls are not inlined. Tested for x86_64, and with build-many-glibcs.py. * include/math.h [!_ISOMAC && !(__FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0) && !NO_MATH_REDIRECT] (trunc): Redirect using MATH_REDIRECT. * sysdeps/aarch64/fpu/s_trunc.c: Define NO_MATH_REDIRECT before header inclusion. * sysdeps/aarch64/fpu/s_truncf.c: Likewise. * sysdeps/ieee754/dbl-64/wordsize-64/s_trunc.c: Likewise. * sysdeps/ieee754/float128/s_truncf128.c: Likewise. * sysdeps/ieee754/dbl-64/s_trunc.c: Likewise. * sysdeps/ieee754/flt-32/s_truncf.c: Likewise. * sysdeps/ieee754/ldbl-128/s_truncl.c: Likewise. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_trunc.c: Likewise. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_truncf.c: Likewise. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_trunc.c: Likewise. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_truncf.c: Likewise. * sysdeps/riscv/rv64/rvd/s_trunc.c: Likewise. * sysdeps/riscv/rvf/s_truncf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_trunc.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_truncf.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_trunc.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_truncf.c: Likewise. * sysdeps/m68k/m680x0/fpu/s_trunc_template.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_truncl.c: Likewise. (ceil): Redirect to __ceil. (floor): Redirect to __floor. (trunc): Redirect to __trunc. (__truncl): Call trunc instead of __trunc. * sysdeps/powerpc/fpu/math_private.h [_ARCH_PWR5X] (__trunc): Remove macro. [_ARCH_PWR5X] (__truncf): Likewise. * sysdeps/ieee754/dbl-64/e_gamma_r.c (__ieee754_gamma_r): Use trunc functions instead of __trunc variants. * sysdeps/ieee754/flt-32/e_gammaf_r.c (__ieee754_gammaf_r): Likewise. * sysdeps/ieee754/ldbl-128/e_gammal_r.c (__ieee754_gammal_r): Likewise. * sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c (__ieee754_gammal_r): Likewise. * sysdeps/ieee754/ldbl-96/e_gammal_r.c (__ieee754_gammal_r): Likewise. |
||
|
Joseph Myers
|
71223ef909 |
Use ceil functions not __ceil functions in glibc libm.
Continuing the move to use, within libm, public names for libm functions that can be inlined as built-in functions on many architectures, this patch moves calls to __ceil functions to call the corresponding ceil names instead, with asm redirection to __ceil when the calls are not inlined. Tested for x86_64, and with build-many-glibcs.py. * include/math.h [!_ISOMAC && !(__FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0) && !NO_MATH_REDIRECT] (ceil): Redirect using MATH_REDIRECT. * sysdeps/aarch64/fpu/s_ceil.c: Define NO_MATH_REDIRECT before header inclusion. * sysdeps/aarch64/fpu/s_ceilf.c: Likewise. * sysdeps/ieee754/dbl-64/s_ceil.c: Likewise. * sysdeps/ieee754/dbl-64/wordsize-64/s_ceil.c: Likewise. * sysdeps/ieee754/float128/s_ceilf128.c: Likewise. * sysdeps/ieee754/flt-32/s_ceilf.c: Likewise. * sysdeps/ieee754/ldbl-128/s_ceill.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_ceill.c: Likewise. * sysdeps/m68k/m680x0/fpu/s_ceil_template.c: Likewise. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_ceil.c: Likewise. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_ceilf.c: Likewise. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_ceil.c: Likewise. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_ceilf.c: Likewise. * sysdeps/riscv/rv64/rvd/s_ceil.c: Likewise. * sysdeps/riscv/rvf/s_ceilf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceil.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_ceilf.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_ceil.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_ceilf.c: Likewise. * sysdeps/powerpc/fpu/math_private.h [_ARCH_PWR5X] (__ceil): Remove macro. * sysdeps/ieee754/dbl-64/e_gamma_r.c (gamma_positive): Use ceil functions instead of __ceil variants. * sysdeps/ieee754/flt-32/e_gammaf_r.c (gammaf_positive): Likewise. * sysdeps/ieee754/ldbl-128/e_gammal_r.c (gammal_positive): Likewise. * sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c (gammal_positive): Likewise. * sysdeps/ieee754/ldbl-128ibm/s_truncl.c (__truncl): Likewise. * sysdeps/ieee754/ldbl-96/e_gammal_r.c (gammal_positive): Likewise. * sysdeps/powerpc/power5+/fpu/s_modf.c (__modf): Likewise. * sysdeps/powerpc/power5+/fpu/s_modff.c (__modff): Likewise. |
||
|
Joseph Myers
|
f29b6f17e4 |
Use rint functions not __rint functions in glibc libm.
Continuing the move to use, within libm, public names for libm functions that can be inlined as built-in functions on many architectures, this patch moves calls to __rint functions to call the corresponding rint names instead, with asm redirection to __rint when the calls are not inlined. The x86_64 math_private.h is removed as no longer useful after this patch. This patch is relative to a tree with my floor patch <https://sourceware.org/ml/libc-alpha/2018-09/msg00148.html> applied, and much the same considerations arise regarding possibly replacing an IFUNC call with a direct inline expansion. Tested for x86_64, and with build-many-glibcs.py. * include/math.h [!_ISOMAC && !(__FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0) && !NO_MATH_REDIRECT] (rint): Redirect using MATH_REDIRECT. * sysdeps/aarch64/fpu/s_rint.c: Define NO_MATH_REDIRECT before header inclusion. * sysdeps/aarch64/fpu/s_rintf.c: Likewise. * sysdeps/alpha/fpu/s_rint.c: Likewise. * sysdeps/alpha/fpu/s_rintf.c: Likewise. * sysdeps/i386/fpu/s_rintl.c: Likewise. * sysdeps/ieee754/dbl-64/s_rint.c: Likewise. * sysdeps/ieee754/dbl-64/wordsize-64/s_rint.c: Likewise. * sysdeps/ieee754/float128/s_rintf128.c: Likewise. * sysdeps/ieee754/flt-32/s_rintf.c: Likewise. * sysdeps/ieee754/ldbl-128/s_rintl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_rintl.c: Likewise. * sysdeps/m68k/coldfire/fpu/s_rint.c: Likewise. * sysdeps/m68k/coldfire/fpu/s_rintf.c: Likewise. * sysdeps/m68k/m680x0/fpu/s_rint.c: Likewise. * sysdeps/m68k/m680x0/fpu/s_rintf.c: Likewise. * sysdeps/m68k/m680x0/fpu/s_rintl.c: Likewise. * sysdeps/powerpc/fpu/s_rint.c: Likewise. * sysdeps/powerpc/fpu/s_rintf.c: Likewise. * sysdeps/riscv/rv64/rvd/s_rint.c: Likewise. * sysdeps/riscv/rvf/s_rintf.c: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rint.c: Likewise. * sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_rintf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_rint.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_rintf.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_rint.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_rintf.c: Likewise. * sysdeps/x86_64/fpu/math_private.h: Remove file. * math/e_scalb.c (invalid_fn): Use rint functions instead of __rint variants. * math/e_scalbf.c (invalid_fn): Likewise. * math/e_scalbl.c (invalid_fn): Likewise. * sysdeps/ieee754/dbl-64/e_gamma_r.c (__ieee754_gamma_r): Likewise. * sysdeps/ieee754/flt-32/e_gammaf_r.c (__ieee754_gammaf_r): Likewise. * sysdeps/ieee754/k_standard.c (__kernel_standard): Likewise. * sysdeps/ieee754/k_standardl.c (__kernel_standard_l): Likewise. * sysdeps/ieee754/ldbl-128/e_gammal_r.c (__ieee754_gammal_r): Likewise. * sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c (__ieee754_gammal_r): Likewise. * sysdeps/ieee754/ldbl-96/e_gammal_r.c (__ieee754_gammal_r): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_llrint.c (__llrint): Likewise. * sysdeps/powerpc/powerpc32/fpu/s_llrintf.c (__llrintf): Likewise. |
||
|
Joseph Myers
|
e44acb2063 |
Use floor functions not __floor functions in glibc libm.
Similar to the changes that were made to call sqrt functions directly in glibc, instead of __ieee754_sqrt variants, so that the compiler could inline them automatically without needing special inline definitions in lots of math_private.h headers, this patch makes libm code call floor functions directly instead of __floor variants, removing the inlines / macros for x86_64 (SSE4.1) and powerpc (POWER5). The redirection used to ensure that __ieee754_sqrt does still get called when the compiler doesn't inline a built-in function expansion is refactored so it can be applied to other functions; the refactoring is arranged so it's not limited to unary functions either (it would be reasonable to use this mechanism for copysign - removing the inline in math_private_calls.h but also eliminating unnecessary local PLT entry use in the cases (powerpc soft-float and e500v1, for IBM long double) where copysign calls don't get inlined). The point of this change is that more architectures can get floor calls inlined where they weren't previously (AArch64, for example), without needing special inline definitions in their math_private.h, and existing such definitions in math_private.h headers can be removed. Note that it's possible that in some cases an inline may be used where an IFUNC call was previously used - this is the case on x86_64, for example. I think the direct calls to floor are still appropriate; if there's any significant performance cost from inline SSE2 floor instead of an IFUNC call ending up with SSE4.1 floor, that indicates that either the function should be doing something else that's faster than using floor at all, or it should itself have IFUNC variants, or that the compiler choice of inlining for generic tuning should change to allow for the possibility that, by not inlining, an SSE4.1 IFUNC might be called at runtime - but not that glibc should avoid calling floor internally. (After all, all the same considerations would apply to any user program calling floor, where it might either be inlined or left as an out-of-line call allowing for a possible IFUNC.) Tested for x86_64, and with build-many-glibcs.py. * include/math.h [!_ISOMAC && !(__FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0) && !NO_MATH_REDIRECT] (MATH_REDIRECT): New macro. [!_ISOMAC && !(__FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0) && !NO_MATH_REDIRECT] (MATH_REDIRECT_LDBL): Likewise. [!_ISOMAC && !(__FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0) && !NO_MATH_REDIRECT] (MATH_REDIRECT_F128): Likewise. [!_ISOMAC && !(__FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0) && !NO_MATH_REDIRECT] (MATH_REDIRECT_UNARY_ARGS): Likewise. [!_ISOMAC && !(__FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0) && !NO_MATH_REDIRECT] (sqrt): Redirect using MATH_REDIRECT. [!_ISOMAC && !(__FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0) && !NO_MATH_REDIRECT] (floor): Likewise. * sysdeps/aarch64/fpu/s_floor.c: Define NO_MATH_REDIRECT before header inclusion. * sysdeps/aarch64/fpu/s_floorf.c: Likewise. * sysdeps/ieee754/dbl-64/s_floor.c: Likewise. * sysdeps/ieee754/dbl-64/wordsize-64/s_floor.c: Likewise. * sysdeps/ieee754/float128/s_floorf128.c: Likewise. * sysdeps/ieee754/flt-32/s_floorf.c: Likewise. * sysdeps/ieee754/ldbl-128/s_floorl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_floorl.c: Likewise. * sysdeps/m68k/m680x0/fpu/s_floor_template.c: Likewise. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_floor.c: Likewise. * sysdeps/powerpc/powerpc32/power4/fpu/multiarch/s_floorf.c: Likewise. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_floor.c: Likewise. * sysdeps/powerpc/powerpc64/fpu/multiarch/s_floorf.c: Likewise. * sysdeps/riscv/rv64/rvd/s_floor.c: Likewise. * sysdeps/riscv/rvf/s_floorf.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floor.c: Likewise. * sysdeps/sparc/sparc64/fpu/multiarch/s_floorf.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_floor.c: Likewise. * sysdeps/x86_64/fpu/multiarch/s_floorf.c: Likewise. * sysdeps/powerpc/fpu/math_private.h [_ARCH_PWR5X] (__floor): Remove macro. [_ARCH_PWR5X] (__floorf): Likewise. * sysdeps/x86_64/fpu/math_private.h [__SSE4_1__] (__floor): Remove inline function. [__SSE4_1__] (__floorf): Likewise. * math/w_lgamma_main.c (LGFUNC (__lgamma)): Use floor functions instead of __floor variants. * math/w_lgamma_r_compat.c (__lgamma_r): Likewise. * math/w_lgammaf_main.c (LGFUNC (__lgammaf)): Likewise. * math/w_lgammaf_r_compat.c (__lgammaf_r): Likewise. * math/w_lgammal_main.c (LGFUNC (__lgammal)): Likewise. * math/w_lgammal_r_compat.c (__lgammal_r): Likewise. * math/w_tgamma_compat.c (__tgamma): Likewise. * math/w_tgamma_template.c (M_DECL_FUNC (__tgamma)): Likewise. * math/w_tgammaf_compat.c (__tgammaf): Likewise. * math/w_tgammal_compat.c (__tgammal): Likewise. * sysdeps/ieee754/dbl-64/e_lgamma_r.c (sin_pi): Likewise. * sysdeps/ieee754/dbl-64/k_rem_pio2.c (__kernel_rem_pio2): Likewise. * sysdeps/ieee754/dbl-64/lgamma_neg.c (__lgamma_neg): Likewise. * sysdeps/ieee754/flt-32/e_lgammaf_r.c (sin_pif): Likewise. * sysdeps/ieee754/flt-32/lgamma_negf.c (__lgamma_negf): Likewise. * sysdeps/ieee754/ldbl-128/e_lgammal_r.c (__ieee754_lgammal_r): Likewise. * sysdeps/ieee754/ldbl-128/e_powl.c (__ieee754_powl): Likewise. * sysdeps/ieee754/ldbl-128/lgamma_negl.c (__lgamma_negl): Likewise. * sysdeps/ieee754/ldbl-128/s_expm1l.c (__expm1l): Likewise. * sysdeps/ieee754/ldbl-128ibm/e_lgammal_r.c (__ieee754_lgammal_r): Likewise. * sysdeps/ieee754/ldbl-128ibm/e_powl.c (__ieee754_powl): Likewise. * sysdeps/ieee754/ldbl-128ibm/lgamma_negl.c (__lgamma_negl): Likewise. * sysdeps/ieee754/ldbl-128ibm/s_expm1l.c (__expm1l): Likewise. * sysdeps/ieee754/ldbl-128ibm/s_truncl.c (__truncl): Likewise. * sysdeps/ieee754/ldbl-96/e_lgammal_r.c (sin_pi): Likewise. * sysdeps/ieee754/ldbl-96/lgamma_negl.c (__lgamma_negl): Likewise. * sysdeps/powerpc/power5+/fpu/s_modf.c (__modf): Likewise. * sysdeps/powerpc/power5+/fpu/s_modff.c (__modff): Likewise. |
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Szabolcs Nagy
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e70c176825 |
Add new exp and exp2 implementations
Optimized exp and exp2 implementations using a lookup table for fractional powers of 2. There are several variants, see e_exp_data.c, they can be selected by modifying math_config.h allowing different tradeoffs. The default selection should be acceptable as generic libm code. Worst case error is 0.509 ULP for exp and 0.507 ULP for exp2, on aarch64 the rodata size is 2160 bytes, shared between exp and exp2. On aarch64 .text + .rodata size decreased by 24912 bytes. The non-nearest rounding error is less than 1 ULP even on targets without efficient round implementation (although the error rate is higher in that case). Targets with single instruction, rounding mode independent, to nearest integer rounding and conversion can use them by setting TOINT_INTRINSICS and adding the necessary code to their math_private.h. The __exp1 code uses the same algorithm, so the error bound of pow increased a bit. New double precision error handling code was added following the style of the single precision error handling code. Improvements on Cortex-A72 compared to current glibc master: exp thruput: 1.61x in [-9.9 9.9] exp latency: 1.53x in [-9.9 9.9] exp thruput: 1.13x in [0.5 1] exp latency: 1.30x in [0.5 1] exp2 thruput: 2.03x in [-9.9 9.9] exp2 latency: 1.64x in [-9.9 9.9] For small (< 1) inputs the current exp code uses a separate algorithm so the speed up there is less. Was tested on aarch64-linux-gnu (TOINT_INTRINSICS, fma contraction) and arm-linux-gnueabihf (!TOINT_INTRINSICS, no fma contraction) and x86_64-linux-gnu (!TOINT_INTRINSICS, no fma contraction) and powerpc64le-linux-gnu (!TOINT_INTRINSICS, fma contraction) targets, only non-nearest rounding ulp errors increase and they are within acceptable bounds (ulp updates are in separate patches). * NEWS: Mention exp and exp2 improvements. * math/Makefile (libm-support): Remove t_exp. (type-double-routines): Add math_err and e_exp_data. * sysdeps/aarch64/libm-test-ulps: Update. * sysdeps/arm/libm-test-ulps: Update. * sysdeps/i386/fpu/e_exp_data.c: New file. * sysdeps/i386/fpu/math_err.c: New file. * sysdeps/i386/fpu/t_exp.c: Remove. * sysdeps/ia64/fpu/e_exp_data.c: New file. * sysdeps/ia64/fpu/math_err.c: New file. * sysdeps/ia64/fpu/t_exp.c: Remove. * sysdeps/ieee754/dbl-64/e_exp.c: Rewrite. * sysdeps/ieee754/dbl-64/e_exp2.c: Rewrite. * sysdeps/ieee754/dbl-64/e_exp_data.c: New file. * sysdeps/ieee754/dbl-64/e_pow.c (__ieee754_pow): Update error bound. * sysdeps/ieee754/dbl-64/eexp.tbl: Remove. * sysdeps/ieee754/dbl-64/math_config.h: New file. * sysdeps/ieee754/dbl-64/math_err.c: New file. * sysdeps/ieee754/dbl-64/t_exp.c: Remove. * sysdeps/ieee754/dbl-64/t_exp2.h: Remove. * sysdeps/ieee754/dbl-64/uexp.h: Remove. * sysdeps/ieee754/dbl-64/uexp.tbl: Remove. * sysdeps/m68k/m680x0/fpu/e_exp_data.c: New file. * sysdeps/m68k/m680x0/fpu/math_err.c: New file. * sysdeps/m68k/m680x0/fpu/t_exp.c: Remove. * sysdeps/powerpc/fpu/libm-test-ulps: Update. * sysdeps/x86_64/fpu/libm-test-ulps: Update. |
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|
Joseph Myers
|
418d99e622 |
Move fenv.h soft-float inlines from fenv_private.h to include/fenv.h.
<fenv_private.h> has inline versions of various <fenv.h> functions, and their __fe* variants, for systems (generally soft-float) without support for floating-point exceptions, rounding modes or both. Having these inlines in a separate header introduces a risk of a source file including <fenv.h> and compiling OK on x86_64, but failing to compile (because the feraiseexcept inline is actually a macro that discards its argument, to avoid the need for #ifdef FE_INVALID conditionals), or not being properly optimized, on systems without the exceptions and rounding modes support (when these inlines were in math_private.h, we had a few cases where this broke the build because there was no obvious reason for a file to need math_private.h and it didn't need that header on x86_64). By moving those inlines to include/fenv.h, this risk can be avoided, and fenv_private.h becomes more clearly defined as specifically the header for the internal libc_fe* and SET_RESTORE_ROUND* interfaces. This patch makes that move, removing fenv_private.h includes that are no longer needed (or replacing them by fenv.h includes in a few cases that didn't already have such an include). Tested for x86_64 and x86, and tested with build-many-glibcs.py that installed stripped shared libraries are unchanged by the patch. * sysdeps/generic/fenv_private.h [FE_ALL_EXCEPT == 0]: Move this code .... [!FE_HAVE_ROUNDING_MODES]: And this code .... * include/fenv.h [!_ISOMAC]: ... to here. * math/fraiseexcpt.c (__feraiseexcept): Undefine as macro. (feraiseexcept): Likewise. * math/fromfp.h: Do not include <fenv_private.h>. * math/s_cexp_template.c: Likewise. * math/s_csin_template.c: Likewise. * math/s_csinh_template.c: Likewise. * math/s_ctan_template.c: Likewise. * math/s_ctanh_template.c: Likewise. * math/s_iseqsig_template.c: Likewise. * math/w_acos_compat.c: Likewise. * math/w_acosf_compat.c: Likewise. * math/w_acosl_compat.c: Likewise. * math/w_asin_compat.c: Likewise. * math/w_asinf_compat.c: Likewise. * math/w_asinl_compat.c: Likewise. * math/w_j0_compat.c: Likewise. * math/w_j0f_compat.c: Likewise. * math/w_j0l_compat.c: Likewise. * math/w_j1_compat.c: Likewise. * math/w_j1f_compat.c: Likewise. * math/w_j1l_compat.c: Likewise. * math/w_jn_compat.c: Likewise. * math/w_jnf_compat.c: Likewise. * math/w_log10_compat.c: Likewise. * math/w_log10f_compat.c: Likewise. * math/w_log10l_compat.c: Likewise. * math/w_log2_compat.c: Likewise. * math/w_log2f_compat.c: Likewise. * math/w_log2l_compat.c: Likewise. * math/w_log_compat.c: Likewise. * math/w_logf_compat.c: Likewise. * math/w_logl_compat.c: Likewise. * sysdeps/ieee754/dbl-64/s_llrint.c: Likewise. * sysdeps/ieee754/dbl-64/s_llround.c: Likewise. * sysdeps/ieee754/dbl-64/s_lrint.c: Likewise. * sysdeps/ieee754/dbl-64/s_lround.c: Likewise. * sysdeps/ieee754/dbl-64/wordsize-64/s_lround.c: Likewise. * sysdeps/ieee754/flt-32/s_llrintf.c: Likewise. * sysdeps/ieee754/flt-32/s_llroundf.c: Likewise. * sysdeps/ieee754/flt-32/s_lrintf.c: Likewise. * sysdeps/ieee754/flt-32/s_lroundf.c: Likewise. * sysdeps/ieee754/k_standardl.c: Likewise. * sysdeps/ieee754/ldbl-128/e_expl.c: Likewise. * sysdeps/ieee754/ldbl-128/s_fmal.c: Likewise. * sysdeps/ieee754/ldbl-128/s_llrintl.c: Likewise. * sysdeps/ieee754/ldbl-128/s_llroundl.c: Likewise. * sysdeps/ieee754/ldbl-128/s_lrintl.c: Likewise. * sysdeps/ieee754/ldbl-128/s_lroundl.c: Likewise. * sysdeps/ieee754/ldbl-128/s_nearbyintl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_llrintl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_llroundl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_lrintl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_lroundl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_fma.c: Likewise. * sysdeps/ieee754/ldbl-96/s_fmal.c: Likewise. * sysdeps/ieee754/ldbl-96/s_llrintl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_llroundl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_lrintl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_lroundl.c: Likewise. * math/w_ilogb_template.c: Include <fenv.h> instead of <fenv_private.h>. * math/w_llogb_template.c: Likewise. * sysdeps/powerpc/fpu/e_sqrt.c: Likewise. * sysdeps/powerpc/fpu/e_sqrtf.c: Likewise. |
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|
Joseph Myers
|
70e2ba332f |
Do not include fenv_private.h in math_private.h.
Continuing the clean-up related to the catch-all math_private.h header, this patch stops math_private.h from including fenv_private.h. Instead, fenv_private.h is included directly from those users of math_private.h that also used interfaces from fenv_private.h. No attempt is made to remove unused includes of math_private.h, but that is a natural followup. (However, since math_private.h sometimes defines optimized versions of math.h interfaces or __* variants thereof, as well as defining its own interfaces, I think it might make sense to get all those optimized versions included from include/math.h, not requiring a separate header at all, before eliminating unused math_private.h includes - that avoids a file quietly becoming less-optimized if someone adds a call to one of those interfaces without restoring a math_private.h include to that file.) There is still a pitfall that if code uses plain fe* and __fe* interfaces, but only includes fenv.h and not fenv_private.h or (before this patch) math_private.h, it will compile on platforms with exceptions and rounding modes but not get the optimized versions (and possibly not compile) on platforms without exception and rounding mode support, so making it easy to break the build for such platforms accidentally. I think it would be most natural to move the inlines / macros for fe* and __fe* in the case of no exceptions and rounding modes into include/fenv.h, so that all code including fenv.h with _ISOMAC not defined automatically gets them. Then fenv_private.h would be purely the header for the libc_fe*, SET_RESTORE_ROUND etc. internal interfaces and the risk of breaking the build on other platforms than the one you tested on because of a missing fenv_private.h include would be much reduced (and there would be some unused fenv_private.h includes to remove along with unused math_private.h includes). Tested for x86_64 and x86, and tested with build-many-glibcs.py that installed stripped shared libraries are unchanged by this patch. * sysdeps/generic/math_private.h: Do not include <fenv_private.h>. * math/fromfp.h: Include <fenv_private.h>. * math/math-narrow.h: Likewise. * math/s_cexp_template.c: Likewise. * math/s_csin_template.c: Likewise. * math/s_csinh_template.c: Likewise. * math/s_ctan_template.c: Likewise. * math/s_ctanh_template.c: Likewise. * math/s_iseqsig_template.c: Likewise. * math/w_acos_compat.c: Likewise. * math/w_acosf_compat.c: Likewise. * math/w_acosl_compat.c: Likewise. * math/w_asin_compat.c: Likewise. * math/w_asinf_compat.c: Likewise. * math/w_asinl_compat.c: Likewise. * math/w_ilogb_template.c: Likewise. * math/w_j0_compat.c: Likewise. * math/w_j0f_compat.c: Likewise. * math/w_j0l_compat.c: Likewise. * math/w_j1_compat.c: Likewise. * math/w_j1f_compat.c: Likewise. * math/w_j1l_compat.c: Likewise. * math/w_jn_compat.c: Likewise. * math/w_jnf_compat.c: Likewise. * math/w_llogb_template.c: Likewise. * math/w_log10_compat.c: Likewise. * math/w_log10f_compat.c: Likewise. * math/w_log10l_compat.c: Likewise. * math/w_log2_compat.c: Likewise. * math/w_log2f_compat.c: Likewise. * math/w_log2l_compat.c: Likewise. * math/w_log_compat.c: Likewise. * math/w_logf_compat.c: Likewise. * math/w_logl_compat.c: Likewise. * sysdeps/aarch64/fpu/feholdexcpt.c: Likewise. * sysdeps/aarch64/fpu/fesetround.c: Likewise. * sysdeps/aarch64/fpu/fgetexcptflg.c: Likewise. * sysdeps/aarch64/fpu/ftestexcept.c: Likewise. * sysdeps/ieee754/dbl-64/e_atan2.c: Likewise. * sysdeps/ieee754/dbl-64/e_exp.c: Likewise. * sysdeps/ieee754/dbl-64/e_exp2.c: Likewise. * sysdeps/ieee754/dbl-64/e_gamma_r.c: Likewise. * sysdeps/ieee754/dbl-64/e_jn.c: Likewise. * sysdeps/ieee754/dbl-64/e_pow.c: Likewise. * sysdeps/ieee754/dbl-64/e_remainder.c: Likewise. * sysdeps/ieee754/dbl-64/e_sqrt.c: Likewise. * sysdeps/ieee754/dbl-64/gamma_product.c: Likewise. * sysdeps/ieee754/dbl-64/lgamma_neg.c: Likewise. * sysdeps/ieee754/dbl-64/s_atan.c: Likewise. * sysdeps/ieee754/dbl-64/s_fma.c: Likewise. * sysdeps/ieee754/dbl-64/s_fmaf.c: Likewise. * sysdeps/ieee754/dbl-64/s_llrint.c: Likewise. * sysdeps/ieee754/dbl-64/s_llround.c: Likewise. * sysdeps/ieee754/dbl-64/s_lrint.c: Likewise. * sysdeps/ieee754/dbl-64/s_lround.c: Likewise. * sysdeps/ieee754/dbl-64/s_nearbyint.c: Likewise. * sysdeps/ieee754/dbl-64/s_sin.c: Likewise. * sysdeps/ieee754/dbl-64/s_sincos.c: Likewise. * sysdeps/ieee754/dbl-64/s_tan.c: Likewise. * sysdeps/ieee754/dbl-64/wordsize-64/s_lround.c: Likewise. * sysdeps/ieee754/dbl-64/wordsize-64/s_nearbyint.c: Likewise. * sysdeps/ieee754/dbl-64/x2y2m1.c: Likewise. * sysdeps/ieee754/float128/float128_private.h: Likewise. * sysdeps/ieee754/flt-32/e_gammaf_r.c: Likewise. * sysdeps/ieee754/flt-32/e_j1f.c: Likewise. * sysdeps/ieee754/flt-32/e_jnf.c: Likewise. * sysdeps/ieee754/flt-32/lgamma_negf.c: Likewise. * sysdeps/ieee754/flt-32/s_llrintf.c: Likewise. * sysdeps/ieee754/flt-32/s_llroundf.c: Likewise. * sysdeps/ieee754/flt-32/s_lrintf.c: Likewise. * sysdeps/ieee754/flt-32/s_lroundf.c: Likewise. * sysdeps/ieee754/flt-32/s_nearbyintf.c: Likewise. * sysdeps/ieee754/k_standardl.c: Likewise. * sysdeps/ieee754/ldbl-128/e_expl.c: Likewise. * sysdeps/ieee754/ldbl-128/e_gammal_r.c: Likewise. * sysdeps/ieee754/ldbl-128/e_j1l.c: Likewise. * sysdeps/ieee754/ldbl-128/e_jnl.c: Likewise. * sysdeps/ieee754/ldbl-128/gamma_productl.c: Likewise. * sysdeps/ieee754/ldbl-128/lgamma_negl.c: Likewise. * sysdeps/ieee754/ldbl-128/s_fmal.c: Likewise. * sysdeps/ieee754/ldbl-128/s_llrintl.c: Likewise. * sysdeps/ieee754/ldbl-128/s_llroundl.c: Likewise. * sysdeps/ieee754/ldbl-128/s_lrintl.c: Likewise. * sysdeps/ieee754/ldbl-128/s_lroundl.c: Likewise. * sysdeps/ieee754/ldbl-128/s_nearbyintl.c: Likewise. * sysdeps/ieee754/ldbl-128/x2y2m1l.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/e_expl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/e_j1l.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/e_jnl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/lgamma_negl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_fmal.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_llrintl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_llroundl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_lrintl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_lroundl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_rintl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/x2y2m1l.c: Likewise. * sysdeps/ieee754/ldbl-96/e_gammal_r.c: Likewise. * sysdeps/ieee754/ldbl-96/e_jnl.c: Likewise. * sysdeps/ieee754/ldbl-96/gamma_productl.c: Likewise. * sysdeps/ieee754/ldbl-96/lgamma_negl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_fma.c: Likewise. * sysdeps/ieee754/ldbl-96/s_fmal.c: Likewise. * sysdeps/ieee754/ldbl-96/s_llrintl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_llroundl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_lrintl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_lroundl.c: Likewise. * sysdeps/ieee754/ldbl-96/x2y2m1l.c: Likewise. * sysdeps/powerpc/fpu/e_sqrt.c: Likewise. * sysdeps/powerpc/fpu/e_sqrtf.c: Likewise. * sysdeps/riscv/rv64/rvd/s_ceil.c: Likewise. * sysdeps/riscv/rv64/rvd/s_floor.c: Likewise. * sysdeps/riscv/rv64/rvd/s_nearbyint.c: Likewise. * sysdeps/riscv/rv64/rvd/s_round.c: Likewise. * sysdeps/riscv/rv64/rvd/s_roundeven.c: Likewise. * sysdeps/riscv/rv64/rvd/s_trunc.c: Likewise. * sysdeps/riscv/rvd/s_finite.c: Likewise. * sysdeps/riscv/rvd/s_fmax.c: Likewise. * sysdeps/riscv/rvd/s_fmin.c: Likewise. * sysdeps/riscv/rvd/s_fpclassify.c: Likewise. * sysdeps/riscv/rvd/s_isinf.c: Likewise. * sysdeps/riscv/rvd/s_isnan.c: Likewise. * sysdeps/riscv/rvd/s_issignaling.c: Likewise. * sysdeps/riscv/rvf/fegetround.c: Likewise. * sysdeps/riscv/rvf/feholdexcpt.c: Likewise. * sysdeps/riscv/rvf/fesetenv.c: Likewise. * sysdeps/riscv/rvf/fesetround.c: Likewise. * sysdeps/riscv/rvf/feupdateenv.c: Likewise. * sysdeps/riscv/rvf/fgetexcptflg.c: Likewise. * sysdeps/riscv/rvf/ftestexcept.c: Likewise. * sysdeps/riscv/rvf/s_ceilf.c: Likewise. * sysdeps/riscv/rvf/s_finitef.c: Likewise. * sysdeps/riscv/rvf/s_floorf.c: Likewise. * sysdeps/riscv/rvf/s_fmaxf.c: Likewise. * sysdeps/riscv/rvf/s_fminf.c: Likewise. * sysdeps/riscv/rvf/s_fpclassifyf.c: Likewise. * sysdeps/riscv/rvf/s_isinff.c: Likewise. * sysdeps/riscv/rvf/s_isnanf.c: Likewise. * sysdeps/riscv/rvf/s_issignalingf.c: Likewise. * sysdeps/riscv/rvf/s_nearbyintf.c: Likewise. * sysdeps/riscv/rvf/s_roundevenf.c: Likewise. * sysdeps/riscv/rvf/s_roundf.c: Likewise. * sysdeps/riscv/rvf/s_truncf.c: Likewise. |
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|
Joseph Myers
|
ff6b24501f |
Split fenv_private.h out of math_private.h more consistently.
On some architectures, the parts of math_private.h relating to the floating-point environment are in a separate file fenv_private.h included from math_private.h. As this is purely an architecture-specific convention used by several architectures, however, all such architectures still need their own math_private.h, even if it has nothing to do beyond #include <fenv_private.h> and peculiarity of including the i386 file directly instead of having a shared file in sysdeps/x86. This patch makes the fenv_private.h name an architecture-independent convention in glibc. The include of fenv_private.h from math_private.h becomes architecture-independent (until callers are updated to include fenv_private.h directly so the include from math_private.h is no longer needed). Some architecture math_private.h headers are removed if no longer needed, or renamed to fenv_private.h if all they define belongs in that header; architecture fenv_private.h headers now do require #include_next <fenv_private.h>. The i386 fenv_private.h file moves to sysdeps/x86/fpu/ to reflect how it is actually shared with x86_64. The generic math_private.h gets a new include of <stdbool.h>, as needed for bool in some prototypes in that header (previously that was indirectly included via include/fenv.h, which now only gets included too late in math_private.h, after those prototypes). Tested for x86_64 and x86, and tested with build-many-glibcs.py that installed stripped shared libraries are unchanged by the patch. * sysdeps/aarch64/fpu/fenv_private.h: New file. Based on .... * sysdeps/aarch64/fpu/math_private.h: ... this file. All contents moved to fenv_private.h except for ... (TOINT_INTRINSICS): Kept in math_private.h. (roundtoint): Likewise. (converttoint): Likewise. * sysdeps/arm/fenv_private.h: Change multiple-include guard to [ARM_FENV_PRIVATE_H]. Include next <fenv_private.h>. * sysdeps/arm/math_private.h: Remove. * sysdeps/generic/fenv_private.h: New file. Contents moved from .... * sysdeps/generic/math_private.h: ... this file. Include <stdbool.h>. Do not include <fenv.h> or <get-rounding-mode.h>. Include <fenv_private.h>. Remove functions and macros moved to fenv_private.h. * sysdeps/i386/fpu/math_private.h: Remove. * sysdeps/mips/math_private.h: Move to .... * sysdeps/mips/fpu/fenv_private.h: ... here. Change multiple-include guard to [MIPS_FENV_PRIVATE_H]. Remove [__mips_hard_float] conditional. Include next <fenv_private.h>. * sysdeps/powerpc/fpu/fenv_private.h: Change multiple-include guard to [POWERPC_FENV_PRIVATE_H]. Include next <fenv_private.h>. * sysdeps/powerpc/fpu/math_private.h: Do not include <fenv_private.h>. * sysdeps/riscv/rvf/math_private.h: Move to .... * sysdeps/riscv/rvf/fenv_private.h: ... here. Change multiple-include guard to [RISCV_FENV_PRIVATE_H]. Include next <fenv_private.h>. * sysdeps/sparc/fpu/fenv_private.h: Change multiple-include guard to [SPARC_FENV_PRIVATE_H]. Include next <fenv_private.h>. * sysdeps/sparc/fpu/math_private.h: Remove. * sysdeps/i386/fpu/fenv_private.h: Move to .... * sysdeps/x86/fpu/fenv_private.h: ... here. Change multiple-include guard to [X86_FENV_PRIVATE_H]. Include next <fenv_private.h>. * sysdeps/x86_64/fpu/math_private.h: Do not include <sysdeps/i386/fpu/fenv_private.h>. |
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|
Joseph Myers
|
c3ab211099 |
Move EXCEPTION_SET_FORCES_TRAP out of math-tests.h.
Completing the move of macros out of math-tests.h to smaller headers following typo-proof conventions instead of using #ifndef, this patch moves the EXCEPTION_SET_FORCES_TRAP macro out to its own math-tests-trap-force.h header. Tested with build-many-glibcs.py. * sysdeps/generic/math-tests-trap-force.h: New file. * sysdeps/generic/math-tests.h: Include <math-tests-trap-force.h>. (EXCEPTION_SET_FORCES_TRAP): Do not define here. * sysdeps/powerpc/math-tests.h: Remove file. * sysdeps/powerpc/fpu/math-tests-trap-force.h: New file. |
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Wilco Dijkstra
|
ca3aac57ef |
Remove unused math files
Remove empty files due to the sin/cos improvements: k_sinf.c, k_cosf.c, k_cos.c, k_sin.c. After the tanf change s_rem_pio2f.c and k_rem_pio2f.c (and the ia64, m68k and powerpc equivalents) are no longer used, so remove them. All e_rem_pio2.c files were already empty or commented out, so remove them too. Passes build-many-glibcs. * math/Makefile: Remove empty files k_sin(f).c, k_cos(f).c. Remove unused files e_rem_pio2(f).c, k_rem_pio2f.c. * sysdeps/i386/fpu/e_rem_pio2.c: Delete file. * sysdeps/ia64/fpu/e_rem_pio2.c: Likewise. * sysdeps/ia64/fpu/e_rem_pio2f.c: Likewise. * sysdeps/ia64/fpu/k_rem_pio2f.c: Likewise. * sysdeps/ieee754/dbl-64/e_rem_pio2.c: Likewise. * sysdeps/ieee754/dbl-64/k_cos.c: Likewise. * sysdeps/ieee754/dbl-64/k_sin.c: Likewise. * sysdeps/ieee754/flt-32/e_rem_pio2f.c: Likewise. * sysdeps/ieee754/flt-32/k_cosf.c: Likewise. * sysdeps/ieee754/flt-32/k_rem_pio2f.c: Likewise. * sysdeps/ieee754/flt-32/k_sinf.c: Likewise. * sysdeps/m68k/m680x0/fpu/e_rem_pio2.c: Likewise * sysdeps/m68k/m680x0/fpu/e_rem_pio2f.c: Likewise * sysdeps/m68k/m680x0/fpu/k_rem_pio2f.c: Likewise * sysdeps/powerpc/fpu/e_rem_pio2f.c: Likewise. * sysdeps/powerpc/fpu/k_rem_pio2f.c: Likewise. |
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Rajalakshmi Srinivasaraghavan
|
fa78896b1f |
powerpc: Remove powerpc specific sinf and cosf optimization
New generic optimization of sinf and cosf introduced by commit
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Joseph Myers
|
632a6cbe44 |
Add narrowing divide functions.
This patch adds the narrowing divide functions from TS 18661-1 to glibc's libm: fdiv, fdivl, ddivl, f32divf64, f32divf32x, f32xdivf64 for all configurations; f32divf64x, f32divf128, f64divf64x, f64divf128, f32xdivf64x, f32xdivf128, f64xdivf128 for configurations with _Float64x and _Float128; __nldbl_ddivl for ldbl-opt. The changes are mostly essentially the same as for the other narrowing functions, so the description of those generally applies to this patch as well. Tested for x86_64, x86, mips64 (all three ABIs, both hard and soft float) and powerpc, and with build-many-glibcs.py. * math/Makefile (libm-narrow-fns): Add div. (libm-test-funcs-narrow): Likewise. * math/Versions (GLIBC_2.28): Add narrowing divide functions. * math/bits/mathcalls-narrow.h (div): Use __MATHCALL_NARROW. * math/gen-auto-libm-tests.c (test_functions): Add div. * math/math-narrow.h (CHECK_NARROW_DIV): New macro. (NARROW_DIV_ROUND_TO_ODD): Likewise. (NARROW_DIV_TRIVIAL): Likewise. * sysdeps/ieee754/float128/float128_private.h (__fdivl): New macro. (__ddivl): Likewise. * sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Add fdiv and ddiv. (CFLAGS-nldbl-ddiv.c): New variable. (CFLAGS-nldbl-fdiv.c): Likewise. * sysdeps/ieee754/ldbl-opt/Versions (GLIBC_2.28): Add __nldbl_ddivl. * sysdeps/ieee754/ldbl-opt/nldbl-compat.h (__nldbl_ddivl): New prototype. * manual/arith.texi (Misc FP Arithmetic): Document fdiv, fdivl, ddivl, fMdivfN, fMdivfNx, fMxdivfN and fMxdivfNx. * math/auto-libm-test-in: Add tests of div. * math/auto-libm-test-out-narrow-div: New generated file. * math/libm-test-narrow-div.inc: New file. * sysdeps/i386/fpu/s_f32xdivf64.c: Likewise. * sysdeps/ieee754/dbl-64/s_f32xdivf64.c: Likewise. * sysdeps/ieee754/dbl-64/s_fdiv.c: Likewise. * sysdeps/ieee754/float128/s_f32divf128.c: Likewise. * sysdeps/ieee754/float128/s_f64divf128.c: Likewise. * sysdeps/ieee754/float128/s_f64xdivf128.c: Likewise. * sysdeps/ieee754/ldbl-128/s_ddivl.c: Likewise. * sysdeps/ieee754/ldbl-128/s_f64xdivf128.c: Likewise. * sysdeps/ieee754/ldbl-128/s_fdivl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_ddivl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_fdivl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_ddivl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_fdivl.c: Likewise. * sysdeps/ieee754/ldbl-opt/nldbl-ddiv.c: Likewise. * sysdeps/ieee754/ldbl-opt/nldbl-fdiv.c: Likewise. * sysdeps/ieee754/soft-fp/s_ddivl.c: Likewise. * sysdeps/ieee754/soft-fp/s_fdiv.c: Likewise. * sysdeps/ieee754/soft-fp/s_fdivl.c: Likewise. * sysdeps/powerpc/fpu/libm-test-ulps: Update. * sysdeps/mach/hurd/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise. |
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|
Joseph Myers
|
69a01461ee |
Add narrowing multiply functions.
This patch adds the narrowing multiply functions from TS 18661-1 to glibc's libm: fmul, fmull, dmull, f32mulf64, f32mulf32x, f32xmulf64 for all configurations; f32mulf64x, f32mulf128, f64mulf64x, f64mulf128, f32xmulf64x, f32xmulf128, f64xmulf128 for configurations with _Float64x and _Float128; __nldbl_dmull for ldbl-opt. The changes are mostly essentially the same as for the narrowing add functions, so the description of those generally applies to this patch as well. f32xmulf64 for i386 cannot use precision control as used for add and subtract, because that would result in double rounding for subnormal results, so that uses round-to-odd with long double intermediate result instead. The soft-fp support involves adding a new FP_TRUNC_COOKED since soft-fp multiplication uses cooked inputs and outputs. Tested for x86_64, x86, mips64 (all three ABIs, both hard and soft float) and powerpc, and with build-many-glibcs.py. * math/Makefile (libm-narrow-fns): Add mul. (libm-test-funcs-narrow): Likewise. * math/Versions (GLIBC_2.28): Add narrowing multiply functions. * math/bits/mathcalls-narrow.h (mul): Use __MATHCALL_NARROW. * math/gen-auto-libm-tests.c (test_functions): Add mul. * math/math-narrow.h (CHECK_NARROW_MUL): New macro. (NARROW_MUL_ROUND_TO_ODD): Likewise. (NARROW_MUL_TRIVIAL): Likewise. * soft-fp/op-common.h (FP_TRUNC_COOKED): Likewise. * sysdeps/ieee754/float128/float128_private.h (__fmull): New macro. (__dmull): Likewise. * sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Add fmul and dmul. (CFLAGS-nldbl-dmul.c): New variable. (CFLAGS-nldbl-fmul.c): Likewise. * sysdeps/ieee754/ldbl-opt/Versions (GLIBC_2.28): Add __nldbl_dmull. * sysdeps/ieee754/ldbl-opt/nldbl-compat.h (__nldbl_dmull): New prototype. * manual/arith.texi (Misc FP Arithmetic): Document fmul, fmull, dmull, fMmulfN, fMmulfNx, fMxmulfN and fMxmulfNx. * math/auto-libm-test-in: Add tests of mul. * math/auto-libm-test-out-narrow-mul: New generated file. * math/libm-test-narrow-mul.inc: New file. * sysdeps/i386/fpu/s_f32xmulf64.c: Likewise. * sysdeps/ieee754/dbl-64/s_f32xmulf64.c: Likewise. * sysdeps/ieee754/dbl-64/s_fmul.c: Likewise. * sysdeps/ieee754/float128/s_f32mulf128.c: Likewise. * sysdeps/ieee754/float128/s_f64mulf128.c: Likewise. * sysdeps/ieee754/float128/s_f64xmulf128.c: Likewise. * sysdeps/ieee754/ldbl-128/s_dmull.c: Likewise. * sysdeps/ieee754/ldbl-128/s_f64xmulf128.c: Likewise. * sysdeps/ieee754/ldbl-128/s_fmull.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_dmull.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_fmull.c: Likewise. * sysdeps/ieee754/ldbl-96/s_dmull.c: Likewise. * sysdeps/ieee754/ldbl-96/s_fmull.c: Likewise. * sysdeps/ieee754/ldbl-opt/nldbl-dmul.c: Likewise. * sysdeps/ieee754/ldbl-opt/nldbl-fmul.c: Likewise. * sysdeps/ieee754/soft-fp/s_dmull.c: Likewise. * sysdeps/ieee754/soft-fp/s_fmul.c: Likewise. * sysdeps/ieee754/soft-fp/s_fmull.c: Likewise. * sysdeps/powerpc/fpu/libm-test-ulps: Update. * sysdeps/mach/hurd/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise. |
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|
Joseph Myers
|
8f5b00d375 |
Move math_check_force_underflow macros to separate math-underflow.h.
This patch continues cleaning up math_private.h by moving the math_check_force_underflow set of macros to a separate header math-underflow.h. This header is included by the files that need it rather than from math_private.h. Moving these macros to a separate file removes the math_private.h uses of macros from float.h, so the inclusion of float.h in math_private.h is also removed; files that were depending on that inclusion are fixed to include float.h directly. The inclusion of math-barriers.h from math_private.h will be removed in a separate patch. Tested for x86_64 and x86. Also tested with build-many-glibcs.py that installed stripped shared libraries are unchanged by this patch. * math/math-underflow.h: New file. * sysdeps/generic/math_private.h: Do not include <float.h>. (fabs_tg): Remove macro. Moved to math-underflow.h. (min_of_type_f): Likewise. (min_of_type_): Likewise. (min_of_type_l): Likewise. (min_of_type_f128): Likewise. (min_of_type): Likewise. (math_check_force_underflow): Likewise. (math_check_force_underflow_nonneg): Likewise. (math_check_force_underflow_complex): Likewise. * math/e_exp2_template.c: Include <math-underflow.h>. * math/k_casinh_template.c: Likewise. * math/s_catan_template.c: Likewise. * math/s_catanh_template.c: Likewise. * math/s_ccosh_template.c: Likewise. * math/s_cexp_template.c: Likewise. * math/s_clog10_template.c: Likewise. * math/s_clog_template.c: Likewise. * math/s_csin_template.c: Likewise. * math/s_csinh_template.c: Likewise. * math/s_csqrt_template.c: Likewise. * math/s_ctan_template.c: Likewise. * math/s_ctanh_template.c: Likewise. * sysdeps/ieee754/dbl-64/e_asin.c: Likewise. * sysdeps/ieee754/dbl-64/e_atanh.c: Likewise. * sysdeps/ieee754/dbl-64/e_exp2.c: Likewise. * sysdeps/ieee754/dbl-64/e_gamma_r.c: Likewise. * sysdeps/ieee754/dbl-64/e_hypot.c: Likewise. * sysdeps/ieee754/dbl-64/e_j1.c: Likewise. * sysdeps/ieee754/dbl-64/e_jn.c: Likewise. * sysdeps/ieee754/dbl-64/e_pow.c: Likewise. * sysdeps/ieee754/dbl-64/e_sinh.c: Likewise. * sysdeps/ieee754/dbl-64/s_asinh.c: Likewise. * sysdeps/ieee754/dbl-64/s_atan.c: Likewise. * sysdeps/ieee754/dbl-64/s_erf.c: Likewise. * sysdeps/ieee754/dbl-64/s_expm1.c: Likewise. * sysdeps/ieee754/dbl-64/s_log1p.c: Likewise. * sysdeps/ieee754/dbl-64/s_sin.c: Likewise. * sysdeps/ieee754/dbl-64/s_sincos.c: Likewise. * sysdeps/ieee754/dbl-64/s_tan.c: Likewise. * sysdeps/ieee754/dbl-64/s_tanh.c: Likewise. * sysdeps/ieee754/flt-32/e_asinf.c: Likewise. * sysdeps/ieee754/flt-32/e_atanhf.c: Likewise. * sysdeps/ieee754/flt-32/e_gammaf_r.c: Likewise. * sysdeps/ieee754/flt-32/e_j1f.c: Likewise. * sysdeps/ieee754/flt-32/e_jnf.c: Likewise. * sysdeps/ieee754/flt-32/e_sinhf.c: Likewise. * sysdeps/ieee754/flt-32/k_sinf.c: Likewise. * sysdeps/ieee754/flt-32/k_tanf.c: Likewise. * sysdeps/ieee754/flt-32/s_asinhf.c: Likewise. * sysdeps/ieee754/flt-32/s_atanf.c: Likewise. * sysdeps/ieee754/flt-32/s_erff.c: Likewise. * sysdeps/ieee754/flt-32/s_expm1f.c: Likewise. * sysdeps/ieee754/flt-32/s_log1pf.c: Likewise. * sysdeps/ieee754/flt-32/s_tanhf.c: Likewise. * sysdeps/ieee754/ldbl-128/e_asinl.c: Likewise. * sysdeps/ieee754/ldbl-128/e_atanhl.c: Likewise. * sysdeps/ieee754/ldbl-128/e_expl.c: Likewise. * sysdeps/ieee754/ldbl-128/e_gammal_r.c: Likewise. * sysdeps/ieee754/ldbl-128/e_hypotl.c: Likewise. * sysdeps/ieee754/ldbl-128/e_j1l.c: Likewise. * sysdeps/ieee754/ldbl-128/e_jnl.c: Likewise. * sysdeps/ieee754/ldbl-128/e_sinhl.c: Likewise. * sysdeps/ieee754/ldbl-128/k_sincosl.c: Likewise. * sysdeps/ieee754/ldbl-128/k_sinl.c: Likewise. * sysdeps/ieee754/ldbl-128/k_tanl.c: Likewise. * sysdeps/ieee754/ldbl-128/s_asinhl.c: Likewise. * sysdeps/ieee754/ldbl-128/s_atanl.c: Likewise. * sysdeps/ieee754/ldbl-128/s_erfl.c: Likewise. * sysdeps/ieee754/ldbl-128/s_expm1l.c: Likewise. * sysdeps/ieee754/ldbl-128/s_log1pl.c: Likewise. * sysdeps/ieee754/ldbl-128/s_tanhl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/e_asinl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/e_atanhl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/e_hypotl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/e_j1l.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/e_jnl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/e_powl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/e_sinhl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/k_sincosl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/k_sinl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/k_tanl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_asinhl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_atanl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_erfl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_fmal.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_tanhl.c: Likewise. * sysdeps/ieee754/ldbl-96/e_asinl.c: Likewise. * sysdeps/ieee754/ldbl-96/e_atanhl.c: Likewise. * sysdeps/ieee754/ldbl-96/e_gammal_r.c: Likewise. * sysdeps/ieee754/ldbl-96/e_hypotl.c: Likewise. * sysdeps/ieee754/ldbl-96/e_j1l.c: Likewise. * sysdeps/ieee754/ldbl-96/e_jnl.c: Likewise. * sysdeps/ieee754/ldbl-96/e_sinhl.c: Likewise. * sysdeps/ieee754/ldbl-96/k_sinl.c: Likewise. * sysdeps/ieee754/ldbl-96/k_tanl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_asinhl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_erfl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_tanhl.c: Likewise. * sysdeps/powerpc/fpu/e_hypot.c: Likewise. * sysdeps/x86/fpu/powl_helper.c: Likewise. * sysdeps/ieee754/dbl-64/s_nextup.c: Include <float.h>. * sysdeps/ieee754/flt-32/s_nextupf.c: Likewise. * sysdeps/ieee754/ldbl-128/s_nextupl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_nextupl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_nextupl.c: Likewise. |
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|
Joseph Myers
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9ed2e15ff4 |
Move math_opt_barrier, math_force_eval to separate math-barriers.h.
This patch continues cleaning up math_private.h by moving the math_opt_barrier and math_force_eval macros to a separate header math-barriers.h. At present, those macros are inside a "#ifndef math_opt_barrier" in math_private.h to allow architectures to override them and then use a separate math-barriers.h header, no such #ifndef or #include_next is needed; architectures just have their own alternative version of math-barriers.h when providing their own optimized versions that avoid going through memory unnecessarily. The generic math-barriers.h has a comment added to document these two macros. In this patch, math_private.h is made to #include <math-barriers.h>, so files using these macros do not need updating yet. That is because of uses of math_force_eval in math_check_force_underflow and math_check_force_underflow_nonneg, which are still defined in math_private.h. Once those are moved out to a separate header, that separate header can be made to include <math-barriers.h>, as can the other files directly using these barrier macros, and then the include of <math-barriers.h> from math_private.h can be removed. Tested for x86_64 and x86. Also tested with build-many-glibcs.py that installed stripped shared libraries are unchanged by this patch. * sysdeps/generic/math-barriers.h: New file. * sysdeps/generic/math_private.h [!math_opt_barrier] (math_opt_barrier): Move to math-barriers.h. [!math_opt_barrier] (math_force_eval): Likewise. * sysdeps/aarch64/fpu/math-barriers.h: New file. * sysdeps/aarch64/fpu/math_private.h (math_opt_barrier): Move to math-barriers.h. (math_force_eval): Likewise. * sysdeps/alpha/fpu/math-barriers.h: New file. * sysdeps/alpha/fpu/math_private.h (math_opt_barrier): Move to math-barriers.h. (math_force_eval): Likewise. * sysdeps/x86/fpu/math-barriers.h: New file. * sysdeps/i386/fpu/fenv_private.h (math_opt_barrier): Move to math-barriers.h. (math_force_eval): Likewise. * sysdeps/m68k/m680x0/fpu/math_private.h: Move to.... * sysdeps/m68k/m680x0/fpu/math-barriers.h: ... here. Adjust multiple-include guard for rename. * sysdeps/powerpc/fpu/math-barriers.h: New file. * sysdeps/powerpc/fpu/math_private.h (math_opt_barrier): Move to math-barriers.h. (math_force_eval): Likewise. |
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Tulio Magno Quites Machado Filho
|
b2fd61ca9b |
powerpc: Update sin, cos and sincos ULPs
* sysdeps/powerpc/fpu/libm-test-ulps: Increase double-precision sin, cos and sincos to 1 ULP. Signed-off-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com> |
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|
Joseph Myers
|
8d3f9e85cf |
Add narrowing subtract functions.
This patch adds the narrowing subtract functions from TS 18661-1 to glibc's libm: fsub, fsubl, dsubl, f32subf64, f32subf32x, f32xsubf64 for all configurations; f32subf64x, f32subf128, f64subf64x, f64subf128, f32xsubf64x, f32xsubf128, f64xsubf128 for configurations with _Float64x and _Float128; __nldbl_dsubl for ldbl-opt. The changes are essentially the same as for the narrowing add functions, so the description of those generally applies to this patch as well. Tested for x86_64, x86, mips64 (all three ABIs, both hard and soft float) and powerpc, and with build-many-glibcs.py. * math/Makefile (libm-narrow-fns): Add sub. (libm-test-funcs-narrow): Likewise. * math/Versions (GLIBC_2.28): Add narrowing subtract functions. * math/bits/mathcalls-narrow.h (sub): Use __MATHCALL_NARROW. * math/gen-auto-libm-tests.c (test_functions): Add sub. * math/math-narrow.h (CHECK_NARROW_SUB): New macro. (NARROW_SUB_ROUND_TO_ODD): Likewise. (NARROW_SUB_TRIVIAL): Likewise. * sysdeps/ieee754/float128/float128_private.h (__fsubl): New macro. (__dsubl): Likewise. * sysdeps/ieee754/ldbl-opt/Makefile (libnldbl-calls): Add fsub and dsub. (CFLAGS-nldbl-dsub.c): New variable. (CFLAGS-nldbl-fsub.c): Likewise. * sysdeps/ieee754/ldbl-opt/Versions (GLIBC_2.28): Add __nldbl_dsubl. * sysdeps/ieee754/ldbl-opt/nldbl-compat.h (__nldbl_dsubl): New prototype. * manual/arith.texi (Misc FP Arithmetic): Document fsub, fsubl, dsubl, fMsubfN, fMsubfNx, fMxsubfN and fMxsubfNx. * math/auto-libm-test-in: Add tests of sub. * math/auto-libm-test-out-narrow-sub: New generated file. * math/libm-test-narrow-sub.inc: New file. * sysdeps/i386/fpu/s_f32xsubf64.c: Likewise. * sysdeps/ieee754/dbl-64/s_f32xsubf64.c: Likewise. * sysdeps/ieee754/dbl-64/s_fsub.c: Likewise. * sysdeps/ieee754/float128/s_f32subf128.c: Likewise. * sysdeps/ieee754/float128/s_f64subf128.c: Likewise. * sysdeps/ieee754/float128/s_f64xsubf128.c: Likewise. * sysdeps/ieee754/ldbl-128/s_dsubl.c: Likewise. * sysdeps/ieee754/ldbl-128/s_f64xsubf128.c: Likewise. * sysdeps/ieee754/ldbl-128/s_fsubl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_dsubl.c: Likewise. * sysdeps/ieee754/ldbl-128ibm/s_fsubl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_dsubl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_fsubl.c: Likewise. * sysdeps/ieee754/ldbl-opt/nldbl-dsub.c: Likewise. * sysdeps/ieee754/ldbl-opt/nldbl-fsub.c: Likewise. * sysdeps/ieee754/soft-fp/s_dsubl.c: Likewise. * sysdeps/ieee754/soft-fp/s_fsub.c: Likewise. * sysdeps/ieee754/soft-fp/s_fsubl.c: Likewise. * sysdeps/powerpc/fpu/libm-test-ulps: Update. * sysdeps/mach/hurd/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/riscv/rv64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise. |
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|
Wilco Dijkstra
|
700593fdd7 |
Remove all target specific __ieee754_sqrt(f/l) inlines
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. |