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add and apply sparcv9v memset patch

This commit is contained in:
Dennis Gilmore 2008-10-11 00:58:22 +00:00
parent 0cfc9dbd82
commit afa452c3fd
2 changed files with 81 additions and 1 deletions
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75
glibc-sparcv9v-memset.patch Normal file
View File

@ -0,0 +1,75 @@
2008-10-09 Jakub Jelinek <jakub@redhat.com>,
David S. Miller <davem@davemloft.net>
* sysdeps/sparc/sparc64/sparcv9v/memcpy.S,
sysdeps/sparc/sparc64/sparcv9v/memset.S,
sysdeps/sparc/sparc64/sparcv9v2/memcpy.S: When not USE_BPR,
make sure any registers used with 64-bit 'branch-on-register'
instructions have their top 32-bits clear.
diff --git a/sysdeps/sparc/sparc64/sparcv9v/memcpy.S b/sysdeps/sparc/sparc64/sparcv9v/memcpy.S
index 05c837f..ad2b0f7 100644
--- a/sysdeps/sparc/sparc64/sparcv9v/memcpy.S
+++ b/sysdeps/sparc/sparc64/sparcv9v/memcpy.S
@@ -1,5 +1,5 @@
/* Copy SIZE bytes from SRC to DEST. For SUN4V Niagara.
- Copyright (C) 2006 Free Software Foundation, Inc.
+ Copyright (C) 2006, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David S. Miller (davem@davemloft.net)
@@ -61,6 +61,9 @@ END(bcopy)
.align 32
ENTRY(memcpy)
+#ifndef USE_BPR
+ srl %o2, 0, %o2
+#endif
100: /* %o0=dst, %o1=src, %o2=len */
mov %o0, %g5
cmp %o2, 0
diff --git a/sysdeps/sparc/sparc64/sparcv9v/memset.S b/sysdeps/sparc/sparc64/sparcv9v/memset.S
index ac0a50c..64817b8 100644
--- a/sysdeps/sparc/sparc64/sparcv9v/memset.S
+++ b/sysdeps/sparc/sparc64/sparcv9v/memset.S
@@ -1,5 +1,5 @@
/* Set a block of memory to some byte value. For SUN4V Niagara.
- Copyright (C) 2006 Free Software Foundation, Inc.
+ Copyright (C) 2006, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David S. Miller (davem@davemloft.net)
@@ -49,7 +49,11 @@ END(memset)
ENTRY(__bzero)
clr %o2
-1: brz,pn %o1, 90f
+1:
+#ifndef USE_BRP
+ srl %o1, 0, %o1
+#endif
+ brz,pn %o1, 90f
mov %o0, %o3
wr %g0, ASI_P, %asi
diff --git a/sysdeps/sparc/sparc64/sparcv9v2/memcpy.S b/sysdeps/sparc/sparc64/sparcv9v2/memcpy.S
index d94dd47..b261f46 100644
--- a/sysdeps/sparc/sparc64/sparcv9v2/memcpy.S
+++ b/sysdeps/sparc/sparc64/sparcv9v2/memcpy.S
@@ -1,5 +1,5 @@
/* Copy SIZE bytes from SRC to DEST. For SUN4V Niagara-2.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David S. Miller (davem@davemloft.net)
@@ -163,6 +163,9 @@ END(bcopy)
.align 32
ENTRY(memcpy)
+#ifndef USE_BPR
+ srl %o2, 0, %o2
+#endif
100: /* %o0=dst, %o1=src, %o2=len */
mov %o0, %g5
cmp %o2, 0

7
glibc.spec
View File

@ -23,7 +23,7 @@
Summary: The GNU libc libraries
Name: glibc
Version: 2.8.90
Release: 12
Release: 13
# GPLv2+ is used in a bunch of programs, LGPLv2+ is used for libraries.
# Things that are linked directly into dynamically linked programs
# and shared libraries (e.g. crt files, lib*_nonshared.a) have an additional
@ -41,6 +41,7 @@ Source2: %(echo %{glibcsrcdir} | sed s/glibc-/glibc-libidn-/).tar.bz2
Source3: %{glibcname}-fedora-%{glibcdate}.tar.bz2
Patch0: %{glibcname}-fedora.patch
Patch1: %{name}-ia64-lib64.patch
Patch2: glibc-sparcv9v-memset.patch
Buildroot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
Obsoletes: glibc-profile < 2.4
Provides: ldconfig
@ -220,6 +221,7 @@ package or when debugging this package.
%patch1 -p1
%endif
%endif
%patch2 -p1
# A lot of programs still misuse memcpy when they have to use
# memmove. The memcpy implementation below is not tolerant at
@ -980,6 +982,9 @@ rm -f *.filelist*
%endif
%changelog
* Fri Oct 10 2008 Dennis Gilmore <dennis@ausil.us> 2.8.90-13
- apply sparcv9v memset patch from jakub and davem
* Fri Aug 29 2008 Jakub Jelinek <jakub@redhat.com> 2.8.90-12
- update from trunk
- revert origin changes (#457849)