[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Commits] r23134 - in /fsf/trunk/libc: ./ elf/ manual/ ports/ ports/sysdeps/aarch64/ sysdeps/powerpc/sys/platform/
- To: commits@xxxxxxxxxx
- Subject: [Commits] r23134 - in /fsf/trunk/libc: ./ elf/ manual/ ports/ ports/sysdeps/aarch64/ sysdeps/powerpc/sys/platform/
- From: eglibc@xxxxxxxxxx
- Date: Fri, 24 May 2013 00:01:44 -0000
Author: eglibc
Date: Fri May 24 00:01:43 2013
New Revision: 23134
Log:
Import glibc-mainline for 2013-05-24
Removed:
fsf/trunk/libc/ports/sysdeps/aarch64/machine-gmon.h
Modified:
fsf/trunk/libc/ChangeLog
fsf/trunk/libc/elf/dl-hwcaps.c
fsf/trunk/libc/elf/ldconfig.c
fsf/trunk/libc/manual/platform.texi
fsf/trunk/libc/ports/ChangeLog.aarch64
fsf/trunk/libc/sysdeps/powerpc/sys/platform/ppc.h
Modified: fsf/trunk/libc/ChangeLog
==============================================================================
--- fsf/trunk/libc/ChangeLog (original)
+++ fsf/trunk/libc/ChangeLog Fri May 24 00:01:43 2013
@@ -1,3 +1,17 @@
+2013-05-23 Edjunior Machado <emachado@xxxxxxxxxxxxxxxxxx>
+
+ [BZ #14894]
+ * sysdeps/powerpc/sys/platform/ppc.h: Add __ppc_yield,
+ __ppc_mdoio and __ppc_mdoom.
+ * manual/platform.texi: Document new functions __ppc_yield,
+ __ppc_mdoio and __ppc_mdoom.
+
+2013-05-22 Carlos O'Donell <carlos@xxxxxxxxxx>
+
+ * elf/ldconfig.c (is_hwcap_platform): Make comments full setences.
+ (main): Mention "tls" pseudo-hwcap is legacy.
+ * elf/dl-hwcaps.c (_dl_important_hwcaps): Correct rounding comment.
+
2013-05-22 Joseph Myers <joseph@xxxxxxxxxxxxxxxx>
* math/gen-libm-test.pl (parse_args): Output only string of
Modified: fsf/trunk/libc/elf/dl-hwcaps.c
==============================================================================
--- fsf/trunk/libc/elf/dl-hwcaps.c (original)
+++ fsf/trunk/libc/elf/dl-hwcaps.c Fri May 24 00:01:43 2013
@@ -68,9 +68,9 @@
+ GLRO(dl_sysinfo_map)->l_addr);
/* The standard ELF note layout is exactly as the anonymous struct.
The next element is a variable length vendor name of length
- VENDORLEN (with a real length rounded to ElfW(Addr)), followed
+ VENDORLEN (with a real length rounded to ElfW(Word)), followed
by the data of length DATALEN (with a real length rounded to
- ElfW(Addr)). */
+ ElfW(Word)). */
const struct
{
ElfW(Word) vendorlen;
Modified: fsf/trunk/libc/elf/ldconfig.c
==============================================================================
--- fsf/trunk/libc/elf/ldconfig.c (original)
+++ fsf/trunk/libc/elf/ldconfig.c Fri May 24 00:01:43 2013
@@ -174,17 +174,17 @@
{
int hwcap_idx = _dl_string_hwcap (name);
- /* Is this a normal hwcap for the machine e.g. fpu? */
+ /* Is this a normal hwcap for the machine like "fpu?" */
if (hwcap_idx != -1 && ((1 << hwcap_idx) & hwcap_mask))
return 1;
- /* ... Or is it a platform pseudo-hwcap e.g. i686? */
+ /* Is this a platform pseudo-hwcap like "i686?" */
hwcap_idx = _dl_string_platform (name);
if (hwcap_idx != -1)
return 1;
- /* ... Or is this one of the extra pseudo-hwcaps that we map beyond
- _DL_FIRST_EXTRA e.g. tls, or nosegneg? */
+ /* Is this one of the extra pseudo-hwcaps that we map beyond
+ _DL_FIRST_EXTRA like "tls", or "nosegneg?" */
for (hwcap_idx = _DL_FIRST_EXTRA; hwcap_idx < 64; ++hwcap_idx)
if (hwcap_extra[hwcap_idx - _DL_FIRST_EXTRA] != NULL
&& !strcmp (name, hwcap_extra[hwcap_idx - _DL_FIRST_EXTRA]))
@@ -1270,8 +1270,10 @@
add_dir (argv[i]);
}
- /* The last entry in hwcap_extra is reserved for the "tls"
- pseudo-hwcap which indicates support for TLS. */
+ /* The last entry in hwcap_extra is reserved for the "tls" pseudo-hwcap which
+ indicates support for TLS. This pseudo-hwcap is only used by old versions
+ under which TLS support was optional. The entry is no longer needed, but
+ must remain for compatibility. */
hwcap_extra[63 - _DL_FIRST_EXTRA] = "tls";
set_hwcap ();
Modified: fsf/trunk/libc/manual/platform.texi
==============================================================================
--- fsf/trunk/libc/manual/platform.texi (original)
+++ fsf/trunk/libc/manual/platform.texi Fri May 24 00:01:43 2013
@@ -34,3 +34,27 @@
It is also possible that this frequency is not constant. More information is
available in @cite{Power ISA 2.06b - Book II - Section 5.2}.
@end deftypefun
+
+The following functions provide hints about the usage of resources that are
+shared with other processors. They can be used, for example, if a program
+waiting on a lock intends to divert the shared resources to be used by other
+processors. More information is available in @cite{Power ISA 2.06b - Book II -
+Section 3.2}.
+
+@deftypefun {void} __ppc_yield (void)
+Provide a hint that performance will probably be improved if shared resources
+dedicated to the executing processor are released for use by other processors.
+@end deftypefun
+
+@deftypefun {void} __ppc_mdoio (void)
+Provide a hint that performance will probably be improved if shared resources
+dedicated to the executing processor are released until all outstanding storage
+accesses to caching-inhibited storage have been completed.
+@end deftypefun
+
+@deftypefun {void} __ppc_mdoom (void)
+Provide a hint that performance will probably be improved if shared resources
+dedicated to the executing processor are released until all outstanding storage
+accesses to cacheable storage for which the data is not in the cache have been
+completed.
+@end deftypefun
Modified: fsf/trunk/libc/ports/ChangeLog.aarch64
==============================================================================
--- fsf/trunk/libc/ports/ChangeLog.aarch64 (original)
+++ fsf/trunk/libc/ports/ChangeLog.aarch64 Fri May 24 00:01:43 2013
@@ -1,3 +1,7 @@
+2013-05-23 Venkataranmanan Kumar <venkataramanan.kumar@xxxxxxxxxx>
+
+ * sysdeps/aarch64/machine-gmon.h: Remove.
+
2013-05-22 Joseph Myers <joseph@xxxxxxxxxxxxxxxx>
* sysdeps/aarch64/libm-test-ulps: Update test names.
Removed: fsf/trunk/libc/ports/sysdeps/aarch64/machine-gmon.h
==============================================================================
--- fsf/trunk/libc/ports/sysdeps/aarch64/machine-gmon.h (original)
+++ fsf/trunk/libc/ports/sysdeps/aarch64/machine-gmon.h (removed)
@@ -1,25 +1,0 @@
-/* Copyright (C) 2011-2013 Free Software Foundation, Inc.
-
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library. If not, see
- <http://www.gnu.org/licenses/>. */
-
-#define _MCOUNT_DECL(from, self) \
- void __mcount_internal (u_long from, u_long self)
-
-/* Call __mcount_internal with our the return PC for our caller, and
- the return PC our caller will return to. Empty since we use an
- assembly stub instead. */
-#define MCOUNT
Modified: fsf/trunk/libc/sysdeps/powerpc/sys/platform/ppc.h
==============================================================================
--- fsf/trunk/libc/sysdeps/powerpc/sys/platform/ppc.h (original)
+++ fsf/trunk/libc/sysdeps/powerpc/sys/platform/ppc.h Fri May 24 00:01:43 2013
@@ -50,4 +50,36 @@
#endif
}
+/* The following functions provide hints about the usage of shared processor
+ resources, as defined in ISA 2.06 and newer. */
+
+/* Provides a hint that performance will probably be improved if shared
+ resources dedicated to the executing processor are released for use by other
+ processors. */
+static inline void
+__ppc_yield (void)
+{
+ __asm__ volatile ("or 27,27,27");
+}
+
+/* Provides a hint that performance will probably be improved if shared
+ resources dedicated to the executing processor are released until
+ all outstanding storage accesses to caching-inhibited storage have been
+ completed. */
+static inline void
+__ppc_mdoio (void)
+{
+ __asm__ volatile ("or 29,29,29");
+}
+
+/* Provides a hint that performance will probably be improved if shared
+ resources dedicated to the executing processor are released until all
+ outstanding storage accesses to cacheable storage for which the data is not
+ in the cache have been completed. */
+static inline void
+__ppc_mdoom (void)
+{
+ __asm__ volatile ("or 30,30,30");
+}
+
#endif /* sys/platform/ppc.h */
_______________________________________________
Commits mailing list
Commits@xxxxxxxxxx
http://eglibc.org/cgi-bin/mailman/listinfo/commits