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glibc/sysdeps/aarch64
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Vineet Gupta c9feb1be93 aarch/fpu: use generic builtins based math functions 
introduce sysdep header math-use-builtins.h to replace aarch64
implementations with corresponding generic ones.

 - newly inroduced generic sqrt{,f}, fma{,f}
 - existing floor{,f}, nearbyint{,f}, rint{,f}, round{,f}, trunc{,f}
 - Note that generic copysign was already enabled (via generic
   math-use-builtins.h) now thru sysdep header

Tested with build-many-glibcs for aarch64-linux-gnu

This is a non functional change and aarch64 libm before/after was
byte invariant as compared below:

| cd /SCRATCH/vgupta/gnu/install-glibc-A-baseline
| for i in `find . -name libm-2.31.9000.so`; do
|   echo $i; diff $i /SCRATCH/vgupta/gnu/install-glibc-C-reduce-scope/$i ;
|   echo $?;
| done

| ./aarch64-linux-gnu/lib64/libm-2.31.9000.so
| 0
| ./arm-linux-gnueabi/lib/libm-2.31.9000.so
| 0
| ./x86_64-linux-gnu/lib64/libm-2.31.9000.so
| 0
| ./arm-linux-gnueabihf/lib/libm-2.31.9000.so
| 0
| ./riscv64-linux-gnu-rv64imac-lp64/lib64/lp64/libm-2.31.9000.so
| 0
| ./riscv64-linux-gnu-rv64imafdc-lp64/lib64/lp64/libm-2.31.9000.so
| 0
| ./powerpc-linux-gnu/lib/libm-2.31.9000.so
| 0
| ./microblaze-linux-gnu/lib/libm-2.31.9000.so
| 0
| ./nios2-linux-gnu/lib/libm-2.31.9000.so
| 0
| ./hppa-linux-gnu/lib/libm-2.31.9000.so
| 0
| ./s390x-linux-gnu/lib64/libm-2.31.9000.so
| 0

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2020-06-03 10:23:33 -07:00
..
bits Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
fpu aarch/fpu: use generic builtins based math functions 2020-06-03 10:23:33 -07:00
multiarch Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
nptl nptl: add missing pthread-offsets.h 2020-02-10 17:01:21 +01:00
sys Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
__longjmp.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
abort-instr.h
atomic-machine.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
bsd-_setjmp.S
bsd-setjmp.S
configure Require autoconf 2.69 2014-09-29 07:53:36 -07:00
configure.ac
crti.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
crtn.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-dtprocnum.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-irel.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-link.sym
dl-machine.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-sysdep.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-tls.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-tlsdesc.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-tlsdesc.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-trampoline.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
dl-tunables.list Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
e_sqrtl.c Add libm_alias_finite for _finite symbols 2020-01-03 10:02:04 -03:00
elf-initfini.h Introduce <elf-initfini.h> and ELF_INITFINI for all architectures 2020-02-18 15:12:25 +01:00
Implies Remove sysdeps/aarch64/soft-fp directory. 2018-05-22 17:23:34 +00:00
jmpbuf-offsets.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
jmpbuf-unwind.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
ldsodefs.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
libc-tls.c Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
libm-test-ulps Update aarch64 libm-test-ulps 2020-04-08 13:52:44 -03:00
libm-test-ulps-name Do not hardcode platform names in manual/libm-err-tab.pl (bug 14139). 2016-11-04 16:49:06 +00:00
linkmap.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
machine-gmon.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
Makefile aarch64: new ifunc resolver ABI 2019-07-04 11:13:32 +01:00
math-tests-trap.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
mcount.c Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
memchr.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
memcmp.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
memcpy.S [AArch64] Improve integer memcpy 2020-03-11 17:15:25 +00:00
memmove.S This is an optimized memcpy/memmove for AArch64. Copies are split into 3 main 2016-06-20 17:41:33 +01:00
memrchr.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
memset-reg.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
memset.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
memusage.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
preconfigure Remove relro configure test. 2014-06-27 16:51:22 +00:00
rawmemchr.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
setjmp.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
sfp-machine.h Break more lines before not after operators. 2019-02-25 13:19:19 +00:00
sotruss-lib.c Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
stackinfo.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
start.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
stpcpy.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
strchr.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
strchrnul.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
strcmp.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
strcpy.S aarch64: fix strcpy and strnlen for big-endian [BZ #25824] 2020-05-15 12:15:56 +01:00
string_private.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
strlen.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
strncmp.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
strnlen.S aarch64: fix strcpy and strnlen for big-endian [BZ #25824] 2020-05-15 12:15:56 +01:00
strrchr.S Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
sysdep.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
tls-macros.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
tlsdesc.c Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
tlsdesc.sym aarch64: Use explicit offsets in _dl_tlsdesc_dynamic 2016-12-02 16:52:57 +01:00
tst-audit.h Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
tst-ifunc-arg-1.c Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
tst-ifunc-arg-2.c Update copyright dates with scripts/update-copyrights. 2020-01-01 00:14:33 +00:00
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