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Author SHA1 Message Date
Dmitriy Ivanov
280d54680d Fix bug number for linker related workarounds 
Bug: 24425865
Change-Id: I2021674a9df0e768f312ca024d906302db1c494f
 2015-09-28 10:31:12 -07:00
Dan Willemsen
208ae17e5f Add Android.bp for libc/libm/libdl 
Change-Id: I3537363849ba1244348996ff17c5ace1b95dbeee
 2015-09-16 16:50:01 -07:00
Elliott Hughes
a992004c9e Merge "Regenerate NOTICE files." 2015-08-29 04:00:21 +00:00
Elliott Hughes
44ead71726 Regenerate NOTICE files. 
Change-Id: Ia5c340220bb75e4e3166cc483ea77d19cfb08a71
 2015-08-28 20:23:52 -07:00
Elliott Hughes
8cff2f95d8 Sync with upstream FreeBSD libm. 
Change-Id: I97e9b23903f1d993d84825806065e85626007d31
 2015-08-28 20:21:43 -07:00
Elliott Hughes
f9f4a432ee Revert "Revert "Use compiler builtins for fabs."" 
Don't enable the inlines when building libm itself. Otherwise clang gets
upset by seeing both an inline and a non-inline definition.

This reverts commit c5deb0f883.

Change-Id: If7abdb351f5a5549d6a331b33af408e8fcfa9868
 2015-08-24 16:05:48 -07:00
Elliott Hughes
c5deb0f883 Revert "Use compiler builtins for fabs." 
Use of "extern inline" breaks clang build.

This reverts commit d76f16973a.

Change-Id: I995d0d38c3776f5c50b060f16770741c92a2acac
 2015-08-24 21:08:13 +00:00
Elliott Hughes
d76f16973a Use compiler builtins for fabs. 
Change-Id: Id3bf761d6dfc187f218b5215c53d76bddc83d50b
 2015-08-24 13:32:40 -07:00
Elliott Hughes
6816d8cc69 Merge "Use __builtin_* in <math.h>." 2015-08-14 22:57:10 +00:00
Elliott Hughes
b662280aaf Use __builtin_* in <math.h>. 
Also remove cruft meant to support long-obsolete compilers. More
benchmarks.

Bug: http://b/23195789
Change-Id: Ief538e41e77a77e8013b2f4f359584e8df2c47d8
 2015-08-14 15:20:57 -07:00
Jake Weinstein
8d959505bc libm: ARM: reorganize a bit to match ARM64 
* Cleaner naming, especially if there are more ARM-specific routines in
  the future.

Change-Id: Id29db728800ccd612a906e86ccb95c1e7620514d
 2015-08-13 23:02:10 +00:00
Chih-Hung Hsieh
e79d06b0e8 Use gcc to build and test x86_64 long double code. 
Clang/llvm x86_64 configuration of long double is still
incompatible with gcc.
https://llvm.org/bugs/show_bug.cgi?id=23897

BUG: 21899249
Change-Id: I47fd6d0ce2daa84ae0035e7885a4d90e4c3056f7
 2015-06-23 23:13:39 +00:00
Dmitriy Ivanov
f448ef491c Merge "Add versions to libm.so symbols" 2015-06-17 20:49:44 +00:00
Dan Albert
11ea08c5cb Use new sanitizer option. 
Change-Id: I21b04a1f3be3b10ee557bf9e0caa5db638686364
 2015-06-16 13:57:54 -07:00
Dmitriy Ivanov
636f5ddddc Add versions to libm.so symbols 
Bug: http://b/20139821
Change-Id: Ifdfcac62d59eb8f0985990aa8512046ecb87449e
 2015-06-15 18:52:20 -07:00
Elliott Hughes
173ad0a53e Always build libm with clang. 
Change-Id: I00df3b83dfa76a7e12f097fb622ceaec3e2bb5a4
 2015-06-10 22:55:09 -07:00
Dmitriy Ivanov
41c99cdbb9 Remove LOCAL_CONLY_FLAGS it is no-op. 
Change-Id: Ib52b85d176dc9d46d7550f01537b2635e873d6ad
 2015-05-26 11:38:59 -07:00
Dmitriy Ivanov
9185e04f72 Apply work around b/19059885 to x86 
Bug: http://b/19059885
Bug: http://b/21203348
Change-Id: Ic375e9f877d68de8f866d17362879a7dde638465
(cherry picked from commit 69a5fb951d)
 2015-05-15 18:42:14 -07:00
Elliott Hughes
7e54c762fc Update NOTICE files. 
(cherry-pick of f0bd92db8966b04062fda0986dacf80891e1a378.)
Change-Id: I4e170118abf452dd87ffe79d343ba1e2b53955de
 2015-05-12 10:33:20 -07:00
Dmitriy Ivanov
88e777d6f4 Switch libc/libcstdc++/libm to hash-style=both 
Bug: http://b/19059885
Change-Id: Ie42703d91f291fd689a1cf9c35bcab5c487b9a84
 2015-05-08 12:06:20 -07:00
Christopher Ferris
6e86146b85 Fix typo in alias symbol. 
Change-Id: I41d2c29bd4a9ba382bbe3440541c8e1506fc5809
 2015-03-14 12:17:45 -07:00
Christopher Ferris
995b813e91 For libm, use a macro for aliasing symbols. 
Change-Id: Ibd42ebc387c2bf3eba9aa96091770915b4b34184
 2015-03-13 23:57:15 -07:00
Dmitriy Ivanov
d7e091efc4 Merge "Switch libc and libm to sysv-only hash style" 2015-03-13 21:04:08 +00:00
Dmitriy Ivanov
2e16d2cf1e Switch libc and libm to sysv-only hash style 
Bug: 19059885
Change-Id: I60a23dc5f9c756994d566818332ca42b305b4a05
 2015-03-13 19:48:03 +00:00
Christopher Ferris
f074b531d2 Merge "Add the optimized implementation of 18 math functions for x86 and x86_64 respectively" 2015-03-13 17:18:21 +00:00
Goran Jakovljevic
1156508265 Generate gnu hash for arm only 
Fixes build failure caused by:
https://android-review.googlesource.com/#/c/139660

As previously discussed [1], MIPS does not support GNU-style ELF hashes.

[1] https://android-review.googlesource.com/#/c/49282/2/tests/Android.mk

Change-Id: I9a7966eebfd1ef0a587a20b71faefde38e84ab62
 2015-03-10 10:01:50 -07:00
Dmitriy Ivanov
4a55c46d30 Generate sysv hash for libc, libstdc++ and libm 
Bug: 19059885
Change-Id: I35e2a9cd0bb3914d9d0c82d163bfaf0fff844667
 2015-03-09 19:38:56 -07:00
Jingwei Zhang
5d4f0e6a26 Add the optimized implementation of 18 math functions for x86 and x86_64 respectively 
Change-Id: I31bf601448a9427f825517f3a0ff24de47f49bfa
Signed-off-by: Jingwei Zhang <jingwei.zhang@intel.com>
Signed-off-by: Mingwei Shi <mingwei.shi@intel.com>
 2015-03-09 13:19:08 -07:00
James Rose
45789b63db libm: Add hardware sqrt, ceil, floor and trunc for x86 & x86_64 
Add hardware implementations for sqrt, ceil, floor and trunc for
x86 and x86_64. These routines, and in particular sqrt are much
faster than the BSD C language versions of these functions.

Fixed whitespace errors.

Revised x86 versions with respect to alignment.
Rebased for Android 5.0

Change-Id: I86bdb520ce5e589b0cf63778f353fbd3263c8f0e
Author: James Rose <james.rose@intel.com>
Signed-off-by: James Rose <james.rose@intel.com>
 2015-03-06 16:48:30 -08:00
Shu Zhang
c78fa26d47 libm: arm: add arm specific sqrt and sqrtf 
Add arm specific optimized sqrt and sqrtf.

Change-Id: I8ea417fc98a800c8cf4f47a0c6668c51d927b1dc
 2015-03-04 14:07:35 -08:00
Amaury Le Leyzour
32936c895d Add aarch64 instructions wherever possible 
fma, sqrt and various rounding functions have aarch64 instruction equivalent

Change-Id: I1284f31b9f78f914281e5563b8d44db8362b627d
 2015-03-04 12:18:52 -08:00
Shu Zhang
3a629af0ad libm: arm: Add arm specific floor() optimization 
Add arm specific floor() implementation which avoids VMSR and VMRS
instructions.

Change-Id: Ibd4cd7147aa2f98c9b5bbaf74948843ea619dba4
 2015-02-12 18:27:58 -08:00
Duane Sand
3d535d2312 [MIPS] Fix Mips64 build of libm 
Change-Id: Ib742b408d4f21d5ec8d455a3fea7c08165c7f321
 2015-02-11 12:51:42 -08:00
Christopher Ferris
d40d1a08cd Cleanup the libm makefile. 
Change-Id: I3d95f75da24ee3b064a9cce67586b0e6f32272d8
 2015-02-09 14:09:49 -08:00
Elliott Hughes
998f2d5a50 Remove more BSD cruft from the public headers. 
Change-Id: I1e3097f745b526db448bf72fbc05fb2ba23929a0
 2014-12-19 19:30:11 -08:00
Elliott Hughes
6b2b5856d9 Update bionic NOTICE files. 
Change-Id: Ic280872ef3137febd9d4a87d5c7662e264692071
 2014-12-18 16:27:30 -08:00
Dan Albert
da194780b1 Disable ASAN for more of our libraries. 
Since ASAN depends on these libraries, we need to exclude them from
being instrumented.

Change-Id: I62005b6d04ee7b2283c4bd54ace5304386c67358
 2014-12-18 08:03:49 -08:00
Elliott Hughes
1b66f6e9d7 Move a private x86-64 header file out of the limelight. 
Currently this is on everyone's include path and is getting exported
via the NDK.

Change-Id: Ia417839fb65c7e0afddcd9fae3438665dae8e752
 2014-11-26 19:31:19 -08:00
Elliott Hughes
b8ee16f1dc Fix our <complex.h> support. 
We build libm with -fvisibility=hidden, so we weren't exporting any
of the <complex.h> functions.

We also weren't building many of the functions anyway.

We were also missing the complex inverse trigonometric functions.

And because we didn't even have perfunctory "call each function once"
tests, we didn't notice that we weren't exporting any symbols, so this
patch adds at least that level of testing.

Change-Id: Ibcf2843f507126c51d134cc5fc8d67747e033a0d
 2014-11-06 11:16:55 -08:00
Dan Albert
e91d9cd4ad Don't use an STL for libm. 
The default is none right now, but this will be needed when the
default becomes libc++.

Change-Id: Ib022adac2b9dc08fbfae830908128043cfffb91e
 2014-10-16 07:44:47 -07:00
Elliott Hughes
14538ca75e Catch up on upstream's round/roundf/roundl. 
Not sure how we missed these, but better late than never...

Change-Id: Ib08d1bb6e340a1907cbeb1cbe220e33f70642bdc
 2014-10-10 10:21:43 -07:00
Elliott Hughes
488268b134 Sync libm with upstream. 
Change-Id: I3b4e2c9c6ce6c5934f270a51ce5eb9154c5805d5
 2014-10-09 16:20:37 -07:00
Dan Albert
12e3f22c7c Add coverage flag for libm. 
Change-Id: I195d38c5e1f50d1cc6d4353dc8857f11b803b7a3
 2014-09-30 16:56:43 -07:00
Elliott Hughes
755318548d Fix lgamma_r/lgammaf_r/lgammal_r for -0. 
Upstream has implemented lgammal/lgammal_r for ld128, and fixed the
sign problem we reported with all the lgamma*_r functions and -0.

Bug: 17471883
Change-Id: Ibb175d9cab67efae75f1010796fd44c9ba6ce4fc
 2014-09-18 11:23:58 -07:00
Elliott Hughes
c729d4f237 Get new coshl, sinhl, and tanhl implementations from upstream. 
Change-Id: I92f9cd53d12efb2e0f4f8a9590b9fe42398233f6
 2014-09-12 16:09:40 -07:00
Elliott Hughes
460ad7454a Sync libm with upstream. 
Change-Id: I8ac8ee52122ee19a2e423c3211092023cb4896eb
 2014-09-12 14:00:02 -07:00
Chih-Hung Hsieh
356a6249d8 Disable Clang, due to x86 LDBL_MANT_DIG errors. 
Clang -m32 has incorrect sizeof(long double) = 12.
With -m64, LDBL_MANT_DIG is incorrect 64.

BUG: 17163651
Change-Id: I4b157aa1a8572c3a10aece6070e119a292ab8e83
 2014-09-04 12:35:19 -07:00
Elliott Hughes
e0c56efddf Use __GNUC_PREREQ rather than __GNUC_PREREQ__ to match glibc. 
Bug: 16874785
Change-Id: I8512f8be3fd149d8720c5c3b4657bedd5ce2b1d1
 2014-08-29 15:54:11 -07:00
Elliott Hughes
f4c948a9e9 Move the meat of <features.h> into <sys/cdefs.h>. 
This way it's a lot harder for us to screw up (since we should always
be including <sys/cdefs.h> anyway).

Bug: 14659579
Change-Id: I23070fff3296b0d1c683bb5e3a6e214146327d53
 2014-08-19 11:18:20 -07:00
Elliott Hughes
5f5cc45cf0 Fix <features.h> (_BSD_SOURCE and _GNU_SOURCE). 
<features.h> is supposed to take user-settable stuff like _GNU_SOURCE
and _BSD_SOURCE and turn them into __USE_GNU and __USE_BSD for use in
the C library headers. Instead, bionic used to unconditionally define
_BSD_SOURCE and _GNU_SOURCE, and then test _GNU_SOURCE in the header
files (which makes no sense whatsoever).

Bug: 14659579
Change-Id: Ice4cf21a364ea2e559071dc8329e995277d5b987
 2014-08-18 16:04:03 -07:00