glibc/sysdeps/unix/sysv/linux/nios2
Noah Goldstein 44829b3ddb String: Add support for __memcmpeq() ABI on all targets
No bug.

This commit adds support for __memcmpeq() as a new ABI for all
targets. In this commit __memcmpeq() is implemented only as an alias
to the corresponding targets memcmp() implementation. __memcmpeq() is
added as a new symbol starting with GLIBC_2.35 and defined in string.h
with comments explaining its behavior. Basic tests that it is callable
and works where added in string/tester.c

As discussed in the proposal "Add new ABI '__memcmpeq()' to libc"
__memcmpeq() is essentially a reserved namespace for bcmp(). The means
is shares the same specifications as memcmp() except the return value
for non-equal byte sequences is any non-zero value. This is less
strict than memcmp()'s return value specification and can be better
optimized when a boolean return is all that is needed.

__memcmpeq() is meant to only be called by compilers if they can prove
that the return value of a memcmp() call is only used for its boolean
value.

All tests in string/tester.c passed. As well build succeeds on
x86_64-linux-gnu target.
2021-10-26 16:51:29 -05:00
..
bits
sys
Implies
Makefile
Versions
arch-syscall.h Update syscall lists for Linux 5.14 2021-09-08 12:42:06 +00:00
atomic-machine.h
c++-types.data
cacheflush.c
clone.S Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
configure
configure.ac
getcontext.S
jmp_buf-macros.h
kernel_rt_sigframe.h
kernel_sigaction.h
kernel_stat.h Remove "Contributed by" lines 2021-09-03 22:06:44 +05:30
ld.abilist
libBrokenLocale.abilist
libanl.abilist resolv: Move libanl into libc (if libpthread is in libc) 2021-07-02 11:45:00 +02:00
libc.abilist String: Add support for __memcmpeq() ABI on all targets 2021-10-26 16:51:29 -05:00
libc_malloc_debug.abilist Move malloc_{g,s}et_state to libc_malloc_debug 2021-07-22 18:38:10 +05:30
libcrypt.abilist
libdl.abilist dlfcn: Move dlopen into libc 2021-06-03 08:26:04 +02:00
libm.abilist Add fmaximum, fminimum functions 2021-09-28 23:31:35 +00:00
libnsl.abilist
libpthread.abilist nptl: Remove remaining code from libpthread 2021-05-21 22:35:01 +02:00
libresolv.abilist resolv: Move res_query functions into libc 2021-07-19 07:56:57 +02:00
librt.abilist Linux: Move timer_settime, __timer_settime64 from librt to libc 2021-06-28 09:51:01 +02:00
libthread_db.abilist
libutil.abilist login: Move libutil into libc 2021-06-30 08:43:37 +02:00
localplt.data Fix nios2 localplt failure 2021-10-11 21:47:32 +00:00
makecontext.c
send.c
setcontext.S
shlib-versions
sigcontextinfo.h
swapcontext.S
syscall.S
sysdep.S
sysdep.h
time64-compat.h y2038: Add support for 64-bit time on legacy ABIs 2021-06-15 10:42:11 -03:00
ucontext_i.sym
vfork.S