From: "H.J. Lu" <hjl.tools@gmail.com>
To: Noah Goldstein <goldstein.w.n@gmail.com>
Cc: GNU C Library <libc-alpha@sourceware.org>,
"Carlos O'Donell" <carlos@systemhalted.org>
Subject: Re: [PATCH v12 1/4] String: Add support for __memcmpeq() ABI on all targets
Date: Fri, 22 Oct 2021 13:28:25 -0700 [thread overview]
Message-ID: <CAMe9rOrtOiCipPwXywc4_4BkO2NPCZOWA2MfFOCM3670FvubaQ@mail.gmail.com> (raw)
In-Reply-To: <20211022194658.1919295-1-goldstein.w.n@gmail.com>
..On Fri, Oct 22, 2021 at 12:47 PM Noah Goldstein
<goldstein.w.n@gmail.com> wrote:
>
> 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.
> ---
> string/Versions | 3 +++
> string/memcmp.c | 2 ++
> string/string.h | 16 ++++++++++++++++
> string/tester.c | 16 ++++++++++++++++
> sysdeps/aarch64/memcmp.S | 2 ++
> sysdeps/csky/abiv2/memcmp.S | 1 +
> sysdeps/i386/i686/memcmp.S | 8 ++++++++
> sysdeps/i386/i686/multiarch/memcmp.c | 1 +
> sysdeps/i386/memcmp.S | 2 ++
> sysdeps/ia64/memcmp.S | 1 +
> sysdeps/mach/hurd/i386/libc.abilist | 1 +
> sysdeps/powerpc/powerpc32/405/memcmp.S | 1 +
> sysdeps/powerpc/powerpc32/power4/memcmp.S | 1 +
> sysdeps/powerpc/powerpc32/power7/memcmp.S | 1 +
> sysdeps/powerpc/powerpc64/le/power10/memcmp.S | 1 +
> sysdeps/powerpc/powerpc64/power4/memcmp.S | 1 +
> sysdeps/powerpc/powerpc64/power7/memcmp.S | 1 +
> sysdeps/powerpc/powerpc64/power8/memcmp.S | 1 +
> sysdeps/s390/memcmp-z900.S | 1 +
> sysdeps/s390/memcmp.c | 1 +
> sysdeps/sparc/sparc64/memcmp.S | 2 ++
> sysdeps/unix/sysv/linux/aarch64/libc.abilist | 1 +
> sysdeps/unix/sysv/linux/alpha/libc.abilist | 1 +
> sysdeps/unix/sysv/linux/arc/libc.abilist | 1 +
> sysdeps/unix/sysv/linux/arm/be/libc.abilist | 1 +
> sysdeps/unix/sysv/linux/arm/le/libc.abilist | 1 +
> sysdeps/unix/sysv/linux/csky/libc.abilist | 1 +
> sysdeps/unix/sysv/linux/hppa/libc.abilist | 1 +
> sysdeps/unix/sysv/linux/i386/libc.abilist | 1 +
> sysdeps/unix/sysv/linux/ia64/libc.abilist | 1 +
> .../unix/sysv/linux/m68k/coldfire/libc.abilist | 1 +
> sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist | 1 +
> .../unix/sysv/linux/microblaze/be/libc.abilist | 1 +
> .../unix/sysv/linux/microblaze/le/libc.abilist | 1 +
> .../unix/sysv/linux/mips/mips32/fpu/libc.abilist | 1 +
> .../sysv/linux/mips/mips32/nofpu/libc.abilist | 1 +
> .../unix/sysv/linux/mips/mips64/n32/libc.abilist | 1 +
> .../unix/sysv/linux/mips/mips64/n64/libc.abilist | 1 +
> sysdeps/unix/sysv/linux/nios2/libc.abilist | 1 +
> .../linux/powerpc/powerpc32/fpu/libc.abilist | 1 +
> .../linux/powerpc/powerpc32/nofpu/libc.abilist | 1 +
> .../sysv/linux/powerpc/powerpc64/be/libc.abilist | 1 +
> .../sysv/linux/powerpc/powerpc64/le/libc.abilist | 1 +
> sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist | 1 +
> sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist | 1 +
> .../unix/sysv/linux/s390/s390-32/libc.abilist | 1 +
> .../unix/sysv/linux/s390/s390-64/libc.abilist | 1 +
> sysdeps/unix/sysv/linux/sh/be/libc.abilist | 1 +
> sysdeps/unix/sysv/linux/sh/le/libc.abilist | 1 +
> .../unix/sysv/linux/sparc/sparc32/libc.abilist | 1 +
> .../unix/sysv/linux/sparc/sparc64/libc.abilist | 1 +
> sysdeps/unix/sysv/linux/x86_64/64/libc.abilist | 1 +
> sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist | 1 +
> sysdeps/x86_64/memcmp.S | 7 +++++++
> sysdeps/x86_64/multiarch/memcmp.c | 2 ++
> 55 files changed, 105 insertions(+)
>
> diff --git a/string/Versions b/string/Versions
> index 298ecd401a..864c4cf7a4 100644
> --- a/string/Versions
> +++ b/string/Versions
> @@ -89,4 +89,7 @@ libc {
> sigdescr_np; sigabbrev_np;
> strerrordesc_np; strerrorname_np;
> }
> + GLIBC_2.35 {
> + __memcmpeq;
> + }
> }
> diff --git a/string/memcmp.c b/string/memcmp.c
> index 9b46d7a905..6e93a3128f 100644
> --- a/string/memcmp.c
> +++ b/string/memcmp.c
> @@ -358,4 +358,6 @@ libc_hidden_builtin_def(memcmp)
> #ifdef weak_alias
> # undef bcmp
> weak_alias (memcmp, bcmp)
> +# undef __memcmpeq
> +strong_alias (memcmp, __memcmpeq)
> #endif
> diff --git a/string/string.h b/string/string.h
> index b1b083edce..e70feeaeea 100644
> --- a/string/string.h
> +++ b/string/string.h
> @@ -64,6 +64,22 @@ extern void *memset (void *__s, int __c, size_t __n) __THROW __nonnull ((1));
> extern int memcmp (const void *__s1, const void *__s2, size_t __n)
> __THROW __attribute_pure__ __nonnull ((1, 2));
>
> +/* Compare N bytes of S1 and S2. Return zero if S1 and S2 are equal.
> + Return some non-zero value otherwise.
> +
> + Essentially __memcmpeq has the exact same semantics as memcmp
> + except the return value is less constrained. memcmp is always a
> + correct implementation of __memcmpeq. As well !!memcmp, -memcmp,
> + or bcmp are correct implementations.
> +
> + __memcmpeq is meant to be used by compilers when memcmp return is
> + only used for its bolean value.
> +
> + __memcmpeq is declared only for use by compilers. Programs should
> + continue to use memcmp. */
> +extern int __memcmpeq (const void *__s1, const void *__s2, size_t __n)
> + __THROW __attribute_pure__ __nonnull ((1, 2));
> +
> /* Search N bytes of S for C. */
> #ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
> extern "C++"
> diff --git a/string/tester.c b/string/tester.c
> index 778160ae6e..605b3f00f9 100644
> --- a/string/tester.c
> +++ b/string/tester.c
> @@ -1449,6 +1449,19 @@ test_bcmp (void)
> check(bcmp("abc", "def", 0) == 0, 8); /* Zero count. */
> }
>
> +static void
> +test_memcmpeq (void)
> +{
> + it = "__memcmpeq";
> + check (__memcmpeq ("a", "a", 1) == 0, 1); /* Identity. */
> + check (__memcmpeq ("abc", "abc", 3) == 0, 2); /* Multicharacter. */
> + check (__memcmpeq ("abcd", "abce", 4) != 0, 3); /* Honestly unequal. */
> + check (__memcmpeq ("abce", "abcd", 4) != 0, 4);
> + check (__memcmpeq ("alph", "beta", 4) != 0, 5);
> + check (__memcmpeq ("abce", "abcd", 3) == 0, 6); /* Count limited. */
> + check (__memcmpeq ("abc", "def", 0) == 0, 8); /* Zero count. */
> +}
> +
> static void
> test_strerror (void)
> {
> @@ -1611,6 +1624,9 @@ main (void)
> /* bcmp - somewhat like memcmp. */
> test_bcmp ();
>
> + /* __memcmpeq - somewhat like memcmp. */
> + test_memcmpeq ();
> +
> /* strndup. */
> test_strndup ();
>
> diff --git a/sysdeps/aarch64/memcmp.S b/sysdeps/aarch64/memcmp.S
> index c1937f6f5c..37f37b9191 100644
> --- a/sysdeps/aarch64/memcmp.S
> +++ b/sysdeps/aarch64/memcmp.S
> @@ -177,4 +177,6 @@ L(ret_0):
> END (memcmp)
> #undef bcmp
> weak_alias (memcmp, bcmp)
> +#undef __memcmpeq
> +strong_alias (memcmp, __memcmpeq)
> libc_hidden_builtin_def (memcmp)
> diff --git a/sysdeps/csky/abiv2/memcmp.S b/sysdeps/csky/abiv2/memcmp.S
> index 1560387618..2a4ae577b0 100644
> --- a/sysdeps/csky/abiv2/memcmp.S
> +++ b/sysdeps/csky/abiv2/memcmp.S
> @@ -138,5 +138,6 @@ ENTRY (memcmp)
> br .L_s1_aligned
> END (memcmp)
> weak_alias (memcmp, bcmp)
> +strong_alias (memcmp, __memcmpeq)
> libc_hidden_def (memcmp)
> .weak memcmp
> diff --git a/sysdeps/i386/i686/memcmp.S b/sysdeps/i386/i686/memcmp.S
> index b26b124fad..acc702bd34 100644
> --- a/sysdeps/i386/i686/memcmp.S
> +++ b/sysdeps/i386/i686/memcmp.S
> @@ -405,4 +405,12 @@ L(table_32bytes) :
>
> #undef bcmp
> weak_alias (memcmp, bcmp)
> +#undef __memcmpeq
> +#ifdef USE_MULTIARCH
> +/* Weak alias for __memcmpeq here as it will be preempted by
> + definition coming from IFUNC in multiarch/memcmp.c. */
> +weak_alias (memcmp, __memcmpeq)
> +#else
> +strong_alias (memcmp, __memcmpeq)
> +#endif
> libc_hidden_builtin_def (memcmp)
> diff --git a/sysdeps/i386/i686/multiarch/memcmp.c b/sysdeps/i386/i686/multiarch/memcmp.c
> index 6e058a8857..3b2815edbc 100644
> --- a/sysdeps/i386/i686/multiarch/memcmp.c
> +++ b/sysdeps/i386/i686/multiarch/memcmp.c
> @@ -29,4 +29,5 @@
> libc_ifunc_redirected (__redirect_memcmp, memcmp, IFUNC_SELECTOR ());
>
> weak_alias (memcmp, bcmp)
> +strong_alias (memcmp, __memcmpeq)
> #endif
> diff --git a/sysdeps/i386/memcmp.S b/sysdeps/i386/memcmp.S
> index 1f212b0f6d..02473c2c0c 100644
> --- a/sysdeps/i386/memcmp.S
> +++ b/sysdeps/i386/memcmp.S
> @@ -70,4 +70,6 @@ END (memcmp)
>
> #undef bcmp
> weak_alias (memcmp, bcmp)
> +#undef __memcmpeq
> +strong_alias (memcmp, __memcmpeq)
> libc_hidden_builtin_def (memcmp)
> diff --git a/sysdeps/ia64/memcmp.S b/sysdeps/ia64/memcmp.S
> index 97539c23fd..7722908751 100644
> --- a/sysdeps/ia64/memcmp.S
> +++ b/sysdeps/ia64/memcmp.S
> @@ -160,4 +160,5 @@ ENTRY(memcmp)
> END(memcmp)
>
> weak_alias (memcmp, bcmp)
> +strong_alias (memcmp, __memcmpeq)
> libc_hidden_builtin_def (memcmp)
> diff --git a/sysdeps/mach/hurd/i386/libc.abilist b/sysdeps/mach/hurd/i386/libc.abilist
> index c5da10a0cd..e849d6fa35 100644
> --- a/sysdeps/mach/hurd/i386/libc.abilist
> +++ b/sysdeps/mach/hurd/i386/libc.abilist
> @@ -2285,6 +2285,7 @@ GLIBC_2.34 res_send F
> GLIBC_2.34 shm_open F
> GLIBC_2.34 shm_unlink F
> GLIBC_2.34 timespec_getres F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 __confstr_chk F
> GLIBC_2.4 __fgets_chk F
> GLIBC_2.4 __fgets_unlocked_chk F
> diff --git a/sysdeps/powerpc/powerpc32/405/memcmp.S b/sysdeps/powerpc/powerpc32/405/memcmp.S
> index 6a6a54d90f..c2836040a7 100644
> --- a/sysdeps/powerpc/powerpc32/405/memcmp.S
> +++ b/sysdeps/powerpc/powerpc32/405/memcmp.S
> @@ -126,3 +126,4 @@ L(st2):
> END (memcmp)
> libc_hidden_builtin_def (memcmp)
> weak_alias (memcmp,bcmp)
> +strong_alias (memcmp, __memcmpeq)
> diff --git a/sysdeps/powerpc/powerpc32/power4/memcmp.S b/sysdeps/powerpc/powerpc32/power4/memcmp.S
> index 814d2f211d..f58e34aba5 100644
> --- a/sysdeps/powerpc/powerpc32/power4/memcmp.S
> +++ b/sysdeps/powerpc/powerpc32/power4/memcmp.S
> @@ -1373,3 +1373,4 @@ END (memcmp)
>
> libc_hidden_builtin_def (memcmp)
> weak_alias (memcmp, bcmp)
> +strong_alias (memcmp, __memcmpeq)
> diff --git a/sysdeps/powerpc/powerpc32/power7/memcmp.S b/sysdeps/powerpc/powerpc32/power7/memcmp.S
> index 8a19953e2d..f8deb4e32c 100644
> --- a/sysdeps/powerpc/powerpc32/power7/memcmp.S
> +++ b/sysdeps/powerpc/powerpc32/power7/memcmp.S
> @@ -1373,3 +1373,4 @@ END (memcmp)
>
> libc_hidden_builtin_def (memcmp)
> weak_alias (memcmp, bcmp)
> +strong_alias (memcmp, __memcmpeq)
> diff --git a/sysdeps/powerpc/powerpc64/le/power10/memcmp.S b/sysdeps/powerpc/powerpc64/le/power10/memcmp.S
> index 52f244e7e7..f81c73a29c 100644
> --- a/sysdeps/powerpc/powerpc64/le/power10/memcmp.S
> +++ b/sysdeps/powerpc/powerpc64/le/power10/memcmp.S
> @@ -177,3 +177,4 @@ L(tail8):
> END (MEMCMP)
> libc_hidden_builtin_def (memcmp)
> weak_alias (memcmp, bcmp)
> +strong_alias (memcmp, __memcmpeq)
> diff --git a/sysdeps/powerpc/powerpc64/power4/memcmp.S b/sysdeps/powerpc/powerpc64/power4/memcmp.S
> index dc1be3a0d8..cc82be115f 100644
> --- a/sysdeps/powerpc/powerpc64/power4/memcmp.S
> +++ b/sysdeps/powerpc/powerpc64/power4/memcmp.S
> @@ -1374,3 +1374,4 @@ L(duzeroLength):
> END (MEMCMP)
> libc_hidden_builtin_def (memcmp)
> weak_alias (memcmp, bcmp)
> +strong_alias (memcmp, __memcmpeq)
> diff --git a/sysdeps/powerpc/powerpc64/power7/memcmp.S b/sysdeps/powerpc/powerpc64/power7/memcmp.S
> index bc034a55bc..3044f7ede9 100644
> --- a/sysdeps/powerpc/powerpc64/power7/memcmp.S
> +++ b/sysdeps/powerpc/powerpc64/power7/memcmp.S
> @@ -1059,3 +1059,4 @@ L(duzeroLength):
> END (MEMCMP)
> libc_hidden_builtin_def (memcmp)
> weak_alias (memcmp, bcmp)
> +strong_alias (memcmp, __memcmpeq)
> diff --git a/sysdeps/powerpc/powerpc64/power8/memcmp.S b/sysdeps/powerpc/powerpc64/power8/memcmp.S
> index b676b09a9b..0c6a154502 100644
> --- a/sysdeps/powerpc/powerpc64/power8/memcmp.S
> +++ b/sysdeps/powerpc/powerpc64/power8/memcmp.S
> @@ -1442,3 +1442,4 @@ L(duzeroLength):
> END (MEMCMP)
> libc_hidden_builtin_def (memcmp)
> weak_alias (memcmp, bcmp)
> +strong_alias (memcmp, __memcmpeq)
> diff --git a/sysdeps/s390/memcmp-z900.S b/sysdeps/s390/memcmp-z900.S
> index 995d52e47d..d625bf90dd 100644
> --- a/sysdeps/s390/memcmp-z900.S
> +++ b/sysdeps/s390/memcmp-z900.S
> @@ -164,6 +164,7 @@ END(MEMCMP_Z196)
> Otherwise see sysdeps/s390/memcmp.c. */
> strong_alias (MEMCMP_DEFAULT, memcmp)
> weak_alias (memcmp, bcmp)
> +strong_alias (memcmp, __memcmpeq)
> #endif
>
> #if defined SHARED && IS_IN (libc)
> diff --git a/sysdeps/s390/memcmp.c b/sysdeps/s390/memcmp.c
> index 0b4e9da717..52c20af772 100644
> --- a/sysdeps/s390/memcmp.c
> +++ b/sysdeps/s390/memcmp.c
> @@ -46,4 +46,5 @@ s390_libc_ifunc_expr (__redirect_memcmp, memcmp,
> })
> )
> weak_alias (memcmp, bcmp);
> +strong_alias (memcmp, __memcmpeq)
> #endif
> diff --git a/sysdeps/sparc/sparc64/memcmp.S b/sysdeps/sparc/sparc64/memcmp.S
> index d8d9ff9b24..fefeee5f5d 100644
> --- a/sysdeps/sparc/sparc64/memcmp.S
> +++ b/sysdeps/sparc/sparc64/memcmp.S
> @@ -137,4 +137,6 @@ END(memcmp)
>
> #undef bcmp
> weak_alias (memcmp, bcmp)
> +#undef __memcmpeq
> +strong_alias (memcmp, __memcmpeq)
> libc_hidden_builtin_def (memcmp)
> diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
> index 21a2e50a88..f227ae6cee 100644
> --- a/sysdeps/unix/sysv/linux/aarch64/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
> @@ -2612,3 +2612,4 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist b/sysdeps/unix/sysv/linux/alpha/libc.abilist
> index a201fd69ba..0ccc3fc73e 100644
> --- a/sysdeps/unix/sysv/linux/alpha/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist
> @@ -2709,6 +2709,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 _IO_fprintf F
> GLIBC_2.4 _IO_printf F
> GLIBC_2.4 _IO_sprintf F
> diff --git a/sysdeps/unix/sysv/linux/arc/libc.abilist b/sysdeps/unix/sysv/linux/arc/libc.abilist
> index 2611436937..fd80704787 100644
> --- a/sysdeps/unix/sysv/linux/arc/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/arc/libc.abilist
> @@ -2373,3 +2373,4 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> diff --git a/sysdeps/unix/sysv/linux/arm/be/libc.abilist b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
> index a426241965..2ae6c58b8a 100644
> --- a/sysdeps/unix/sysv/linux/arm/be/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
> @@ -491,6 +491,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 _Exit F
> GLIBC_2.4 _IO_2_1_stderr_ D 0xa0
> GLIBC_2.4 _IO_2_1_stdin_ D 0xa0
> diff --git a/sysdeps/unix/sysv/linux/arm/le/libc.abilist b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
> index 02f80418cc..fcfd1e8594 100644
> --- a/sysdeps/unix/sysv/linux/arm/le/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
> @@ -488,6 +488,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 _Exit F
> GLIBC_2.4 _IO_2_1_stderr_ D 0xa0
> GLIBC_2.4 _IO_2_1_stdin_ D 0xa0
> diff --git a/sysdeps/unix/sysv/linux/csky/libc.abilist b/sysdeps/unix/sysv/linux/csky/libc.abilist
> index b7676eb372..ba034b8541 100644
> --- a/sysdeps/unix/sysv/linux/csky/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/csky/libc.abilist
> @@ -2647,3 +2647,4 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist
> index f6965c9d95..b7460bec8a 100644
> --- a/sysdeps/unix/sysv/linux/hppa/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist
> @@ -2596,6 +2596,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 __confstr_chk F
> GLIBC_2.4 __fgets_chk F
> GLIBC_2.4 __fgets_unlocked_chk F
> diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist
> index 2e7603d9ed..a4dc341ded 100644
> --- a/sysdeps/unix/sysv/linux/i386/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/i386/libc.abilist
> @@ -2780,6 +2780,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 __confstr_chk F
> GLIBC_2.4 __fgets_chk F
> GLIBC_2.4 __fgets_unlocked_chk F
> diff --git a/sysdeps/unix/sysv/linux/ia64/libc.abilist b/sysdeps/unix/sysv/linux/ia64/libc.abilist
> index dd3a56d3fe..94b222dbc7 100644
> --- a/sysdeps/unix/sysv/linux/ia64/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/ia64/libc.abilist
> @@ -2547,6 +2547,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 __confstr_chk F
> GLIBC_2.4 __fgets_chk F
> GLIBC_2.4 __fgets_unlocked_chk F
> diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
> index c1e0ea9c10..12fd3b6310 100644
> --- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
> @@ -492,6 +492,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 _Exit F
> GLIBC_2.4 _IO_2_1_stderr_ D 0x98
> GLIBC_2.4 _IO_2_1_stdin_ D 0x98
> diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
> index 93161048ca..4d2296007a 100644
> --- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
> @@ -2723,6 +2723,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 __confstr_chk F
> GLIBC_2.4 __fgets_chk F
> GLIBC_2.4 __fgets_unlocked_chk F
> diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
> index 0aaeec8a27..a223278a3d 100644
> --- a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
> @@ -2696,3 +2696,4 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
> index bec5f456c9..780a4f5b0b 100644
> --- a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
> @@ -2693,3 +2693,4 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
> index 97d2127f78..cd65136062 100644
> --- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
> @@ -2688,6 +2688,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 __confstr_chk F
> GLIBC_2.4 __fgets_chk F
> GLIBC_2.4 __fgets_unlocked_chk F
> diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
> index acb0756c11..b5b9902db5 100644
> --- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
> @@ -2686,6 +2686,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 __confstr_chk F
> GLIBC_2.4 __fgets_chk F
> GLIBC_2.4 __fgets_unlocked_chk F
> diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
> index ebc21dde1e..57593d5f94 100644
> --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
> @@ -2694,6 +2694,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 __confstr_chk F
> GLIBC_2.4 __fgets_chk F
> GLIBC_2.4 __fgets_unlocked_chk F
> diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
> index c68f7e3c6c..e944d76bed 100644
> --- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
> @@ -2598,6 +2598,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 __confstr_chk F
> GLIBC_2.4 __fgets_chk F
> GLIBC_2.4 __fgets_unlocked_chk F
> diff --git a/sysdeps/unix/sysv/linux/nios2/libc.abilist b/sysdeps/unix/sysv/linux/nios2/libc.abilist
> index e5b6834f14..8af5a3a90d 100644
> --- a/sysdeps/unix/sysv/linux/nios2/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/nios2/libc.abilist
> @@ -2735,3 +2735,4 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
> index 132707c8ad..3a0213b39f 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
> @@ -2750,6 +2750,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 _IO_fprintf F
> GLIBC_2.4 _IO_printf F
> GLIBC_2.4 _IO_sprintf F
> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
> index 0af2be31a0..f57df0234b 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
> @@ -2783,6 +2783,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 _IO_fprintf F
> GLIBC_2.4 _IO_printf F
> GLIBC_2.4 _IO_sprintf F
> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
> index cf864632d0..259a0cfc51 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
> @@ -2506,6 +2506,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 _IO_fprintf F
> GLIBC_2.4 _IO_printf F
> GLIBC_2.4 _IO_sprintf F
> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
> index d566d675d0..126541daf1 100644
> --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
> @@ -2808,3 +2808,4 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> diff --git a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
> index c9a7eacb32..05df4d13d2 100644
> --- a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
> @@ -2375,3 +2375,4 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
> index 8299131cb2..8e349cbff8 100644
> --- a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
> @@ -2575,3 +2575,4 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
> index c3fe78f77f..e9de402766 100644
> --- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
> @@ -2748,6 +2748,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 _IO_fprintf F
> GLIBC_2.4 _IO_printf F
> GLIBC_2.4 _IO_sprintf F
> diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
> index 83e542aa8c..1a010c745d 100644
> --- a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
> @@ -2543,6 +2543,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 _IO_fprintf F
> GLIBC_2.4 _IO_printf F
> GLIBC_2.4 _IO_sprintf F
> diff --git a/sysdeps/unix/sysv/linux/sh/be/libc.abilist b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
> index dc502f6833..22ce530975 100644
> --- a/sysdeps/unix/sysv/linux/sh/be/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
> @@ -2603,6 +2603,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 __confstr_chk F
> GLIBC_2.4 __fgets_chk F
> GLIBC_2.4 __fgets_unlocked_chk F
> diff --git a/sysdeps/unix/sysv/linux/sh/le/libc.abilist b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
> index cba1abb556..960df07b83 100644
> --- a/sysdeps/unix/sysv/linux/sh/le/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
> @@ -2600,6 +2600,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 __confstr_chk F
> GLIBC_2.4 __fgets_chk F
> GLIBC_2.4 __fgets_unlocked_chk F
> diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
> index d4a516fb47..eedb376f3d 100644
> --- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
> @@ -2743,6 +2743,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 _IO_fprintf F
> GLIBC_2.4 _IO_printf F
> GLIBC_2.4 _IO_sprintf F
> diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
> index 6268875ba3..86e0c92bef 100644
> --- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
> @@ -2570,6 +2570,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 __confstr_chk F
> GLIBC_2.4 __fgets_chk F
> GLIBC_2.4 __fgets_unlocked_chk F
> diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
> index 095e914b73..5e59d90623 100644
> --- a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
> @@ -2521,6 +2521,7 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> GLIBC_2.4 __confstr_chk F
> GLIBC_2.4 __fgets_chk F
> GLIBC_2.4 __fgets_unlocked_chk F
> diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
> index dd910f7fe9..94412dc134 100644
> --- a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
> +++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
> @@ -2627,3 +2627,4 @@ GLIBC_2.34 tss_create F
> GLIBC_2.34 tss_delete F
> GLIBC_2.34 tss_get F
> GLIBC_2.34 tss_set F
> +GLIBC_2.35 __memcmpeq F
> diff --git a/sysdeps/x86_64/memcmp.S b/sysdeps/x86_64/memcmp.S
> index 870e15c5a0..2fa79edd47 100644
> --- a/sysdeps/x86_64/memcmp.S
> +++ b/sysdeps/x86_64/memcmp.S
> @@ -358,4 +358,11 @@ END(memcmp)
>
> #undef bcmp
> weak_alias (memcmp, bcmp)
> +#ifdef USE_MULTIARCH
> +/* Weak alias for __memcmpeq here as it will be preempted by
> + definition coming from IFUNC in multiarch/memcmp.c. */
> +weak_alias (memcmp, __memcmpeq)
> +#else
> +strong_alias (memcmp, __memcmpeq)
> +#endif
No need to do that. Just always use strong_alias.
> libc_hidden_builtin_def (memcmp)
> diff --git a/sysdeps/x86_64/multiarch/memcmp.c b/sysdeps/x86_64/multiarch/memcmp.c
> index fe725f3563..4a3aad2c9c 100644
> --- a/sysdeps/x86_64/multiarch/memcmp.c
> +++ b/sysdeps/x86_64/multiarch/memcmp.c
> @@ -29,6 +29,8 @@
> libc_ifunc_redirected (__redirect_memcmp, memcmp, IFUNC_SELECTOR ());
> # undef bcmp
> weak_alias (memcmp, bcmp)
> +# undef __memcmpeq
> +strong_alias (memcmp, __memcmpeq)
>
> # ifdef SHARED
> __hidden_ver1 (memcmp, __GI_memcmp, __redirect_memcmp)
> --
> 2.25.1
>
--
H.J.
next prev parent reply other threads:[~2021-10-22 20:29 UTC|newest]
Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-27 20:38 [PATCH v1] " Noah Goldstein
2021-09-27 20:43 ` Joseph Myers
2021-09-27 21:06 ` Noah Goldstein
2021-09-27 21:06 ` [PATCH v2] " Noah Goldstein
2021-09-27 21:52 ` Joseph Myers
2021-09-28 1:24 ` Noah Goldstein
2021-09-28 1:24 ` [PATCH v3] " Noah Goldstein
2021-09-28 8:15 ` Andreas Schwab
2021-09-28 16:47 ` Noah Goldstein
2021-09-28 8:40 ` Florian Weimer
2021-09-28 16:47 ` Noah Goldstein
2021-09-28 16:51 ` Florian Weimer
2021-09-28 16:46 ` [PATCH v4] " Noah Goldstein
2021-09-28 16:50 ` [PATCH v5] " Noah Goldstein
2021-09-28 16:53 ` [PATCH v6] " Noah Goldstein
2021-09-29 8:36 ` Florian Weimer
2021-09-29 15:17 ` Noah Goldstein
2021-09-29 8:52 ` Andreas Schwab
2021-09-29 9:18 ` Florian Weimer
2021-09-29 9:31 ` Andreas Schwab
2021-09-29 9:44 ` Florian Weimer
2021-09-28 16:57 ` [PATCH v1] " Noah Goldstein
2021-09-29 15:17 ` [PATCH v7] " Noah Goldstein
2021-09-30 19:31 ` Noah Goldstein
2021-10-11 2:33 ` Noah Goldstein
2021-10-18 14:47 ` Noah Goldstein
2021-10-21 19:28 ` H.J. Lu
2021-10-21 19:58 ` Noah Goldstein
2021-10-21 20:00 ` H.J. Lu
2021-10-21 21:04 ` Noah Goldstein
2021-10-21 20:02 ` Adhemerval Zanella
2021-10-21 20:23 ` Noah Goldstein
2021-10-21 20:26 ` Adhemerval Zanella
2021-10-21 19:33 ` Adhemerval Zanella
2021-10-21 20:01 ` Noah Goldstein
2021-10-21 20:06 ` Adhemerval Zanella
2021-10-21 21:18 ` Florian Weimer
2021-10-21 20:07 ` H.J. Lu
2021-10-21 20:11 ` Noah Goldstein
2021-10-21 22:38 ` [PATCH v8 1/3] " Noah Goldstein
2021-10-21 22:38 ` [PATCH v8 2/3] String: Add hidden defs for __memcmpeq() to enable internal usage Noah Goldstein
2021-10-21 22:52 ` H.J. Lu
2021-10-21 23:08 ` Joseph Myers
2021-10-21 23:10 ` H.J. Lu
2021-10-21 23:14 ` Joseph Myers
2021-10-21 23:39 ` Noah Goldstein
2021-10-21 23:45 ` Noah Goldstein
2021-10-22 0:19 ` Joseph Myers
2021-10-22 0:40 ` H.J. Lu
2021-10-25 16:41 ` Joseph Myers
2021-10-22 0:18 ` Joseph Myers
2021-10-21 22:38 ` [PATCH v8 3/3] String: Add tests for __memcmpeq Noah Goldstein
2021-10-21 22:57 ` H.J. Lu
2021-10-21 23:47 ` Noah Goldstein
2021-10-22 0:41 ` H.J. Lu
2021-10-22 1:01 ` Noah Goldstein
2021-10-21 22:50 ` [PATCH v8 1/3] String: Add support for __memcmpeq() ABI on all targets H.J. Lu
2021-10-21 23:42 ` Noah Goldstein
2021-10-22 2:38 ` H.J. Lu
2021-10-22 4:04 ` Noah Goldstein
2021-10-22 5:49 ` [PATCH v9 " Noah Goldstein
2021-10-22 12:38 ` H.J. Lu
2021-10-22 16:07 ` Noah Goldstein
2021-10-22 17:19 ` Noah Goldstein
2021-10-22 17:40 ` Noah Goldstein
2021-10-22 17:44 ` H.J. Lu
2021-10-22 18:09 ` Noah Goldstein
2021-10-22 18:33 ` H.J. Lu
2021-10-22 5:49 ` [PATCH v9 2/3] String: Add hidden defs for __memcmpeq() to enable internal usage Noah Goldstein
2021-10-22 12:44 ` H.J. Lu
2021-10-22 5:49 ` [PATCH v9 3/3] String: Add tests for __memcmpeq Noah Goldstein
2021-10-22 12:42 ` H.J. Lu
2021-10-22 16:06 ` [PATCH v10 1/4] String: Add support for __memcmpeq() ABI on all targets Noah Goldstein
2021-10-22 16:06 ` [PATCH v10 2/4] String: Add hidden defs for __memcmpeq() to enable internal usage Noah Goldstein
2021-10-22 16:06 ` [PATCH v10 3/4] String: Add tests for __memcmpeq Noah Goldstein
2021-10-22 16:06 ` [PATCH v10 4/4] NEWS: Add item " Noah Goldstein
2021-10-22 16:12 ` H.J. Lu
2021-10-22 16:12 ` [PATCH v10 1/4] String: Add support for __memcmpeq() ABI on all targets H.J. Lu
2021-10-22 16:18 ` Noah Goldstein
2021-10-22 18:37 ` [PATCH v11 " Noah Goldstein
2021-10-22 18:37 ` [PATCH v11 2/4] String: Add hidden defs for __memcmpeq() to enable internal usage Noah Goldstein
2021-10-22 18:37 ` [PATCH v11 3/4] String: Add tests for __memcmpeq Noah Goldstein
2021-10-22 18:37 ` [PATCH v11 4/4] NEWS: Add item " Noah Goldstein
2021-10-22 19:46 ` [PATCH v12 1/4] String: Add support for __memcmpeq() ABI on all targets Noah Goldstein
2021-10-22 19:46 ` [PATCH v12 2/4] String: Add hidden defs for __memcmpeq() to enable internal usage Noah Goldstein
2021-10-22 19:46 ` [PATCH v12 3/4] String: Add tests for __memcmpeq Noah Goldstein
2021-10-22 19:46 ` [PATCH v12 4/4] NEWS: Add item " Noah Goldstein
2021-10-22 20:28 ` H.J. Lu [this message]
2021-10-22 20:33 ` [PATCH v12 1/4] String: Add support for __memcmpeq() ABI on all targets Noah Goldstein
2021-10-22 20:45 ` H.J. Lu
2021-10-22 21:24 ` Noah Goldstein
2021-10-22 21:23 ` [PATCH v13 " Noah Goldstein
2021-10-22 21:23 ` [PATCH v13 2/4] String: Add hidden defs for __memcmpeq() to enable internal usage Noah Goldstein
2021-10-22 21:23 ` [PATCH v13 3/4] String: Add tests for __memcmpeq Noah Goldstein
2021-10-22 21:23 ` [PATCH v13 4/4] NEWS: Add item " Noah Goldstein
2021-10-23 23:23 ` [PATCH v13 1/4] String: Add support for __memcmpeq() ABI on all targets Noah Goldstein
2021-10-23 23:24 ` [PATCH v14 " Noah Goldstein
2021-10-23 23:24 ` [PATCH v14 2/4] String: Add hidden defs for __memcmpeq() to enable internal usage Noah Goldstein
2021-10-26 18:56 ` H.J. Lu
2021-10-23 23:24 ` [PATCH v14 3/4] String: Add tests for __memcmpeq Noah Goldstein
2021-10-26 18:57 ` H.J. Lu
2021-10-23 23:24 ` [PATCH v14 4/4] NEWS: Add item " Noah Goldstein
2021-10-26 18:58 ` H.J. Lu
2021-10-25 2:45 ` [PATCH v14 1/4] String: Add support for __memcmpeq() ABI on all targets Noah Goldstein
2021-10-26 18:55 ` H.J. Lu
2021-10-26 22:29 ` Noah Goldstein
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