[PATCH] Add IFUNC test lists for memcpy/mempcpy/memset on sparc.

[David Miller <davem at davemloft dot net>]

Committed to master.

	* sysdeps/sparc/sparc64/multiarch/memcpy.S: Add comments for
	ifunc-impl-list.c
	* sysdeps/sparc/sparc64/multiarch/memset.S: Likewise.
	* sysdeps/sparc/sparc64/multiarch/ifunc-impl-list.c: New file.
	* sysdeps/sparc/sparc32/sparcv9/multiarch/ifunc-impl-list.c: New
	file.
---
 ChangeLog                                          |  7 ++
 .../sparc32/sparcv9/multiarch/ifunc-impl-list.c    |  1 +
 sysdeps/sparc/sparc64/multiarch/ifunc-impl-list.c  | 75 ++++++++++++++++++++++
 sysdeps/sparc/sparc64/multiarch/memcpy.S           |  1 +
 sysdeps/sparc/sparc64/multiarch/memset.S           |  1 +
 5 files changed, 85 insertions(+)
 create mode 100644 sysdeps/sparc/sparc32/sparcv9/multiarch/ifunc-impl-list.c
 create mode 100644 sysdeps/sparc/sparc64/multiarch/ifunc-impl-list.c

diff --git a/ChangeLog b/ChangeLog
index f812784..a43b583 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,6 +4,13 @@
 	(__get_clockfreq_via_proc_openprom): Use strtoumax instead
 	of strtoull.
 
+	* sysdeps/sparc/sparc64/multiarch/memcpy.S: Add comments for
+	ifunc-impl-list.c
+	* sysdeps/sparc/sparc64/multiarch/memset.S: Likewise.
+	* sysdeps/sparc/sparc64/multiarch/ifunc-impl-list.c: New file.
+	* sysdeps/sparc/sparc32/sparcv9/multiarch/ifunc-impl-list.c: New
+	file.
+
 2012-10-25  Roland McGrath  <roland@hack.frob.com>
 
 	* sysdeps/unix/sysv/linux/sparc/sparc64/get_clockfreq.c
diff --git a/sysdeps/sparc/sparc32/sparcv9/multiarch/ifunc-impl-list.c b/sysdeps/sparc/sparc32/sparcv9/multiarch/ifunc-impl-list.c
new file mode 100644
index 0000000..a04aa0f
--- /dev/null
+++ b/sysdeps/sparc/sparc32/sparcv9/multiarch/ifunc-impl-list.c
@@ -0,0 +1 @@
+#include <sparc64/multiarch/ifunc-impl-list.c>
diff --git a/sysdeps/sparc/sparc64/multiarch/ifunc-impl-list.c b/sysdeps/sparc/sparc64/multiarch/ifunc-impl-list.c
new file mode 100644
index 0000000..65a8a9a
--- /dev/null
+++ b/sysdeps/sparc/sparc64/multiarch/ifunc-impl-list.c
@@ -0,0 +1,75 @@
+/* Enumerate available IFUNC implementations of a function.  sparc version.
+   Copyright (C) 2012 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/>.  */
+
+#include <assert.h>
+#include <string.h>
+#include <wchar.h>
+#include <ldsodefs.h>
+#include <sysdep.h>
+#include <ifunc-impl-list.h>
+
+/* Fill ARRAY of MAX elements with IFUNC implementations for function
+   NAME and return the number of valid entries.  */
+
+size_t
+__libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
+			size_t max)
+{
+  size_t i = 0;
+  int hwcap;
+
+  hwcap = GLRO(dl_hwcap);
+
+  IFUNC_IMPL (i, name, memcpy,
+	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & HWCAP_SPARC_CRYPTO,
+			      __memcpy_niagara4)
+	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & HWCAP_SPARC_N2,
+			      __memcpy_niagara2)
+	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & HWCAP_SPARC_BLKINIT,
+			      __memcpy_niagara1)
+	      IFUNC_IMPL_ADD (array, i, memcpy, hwcap & HWCAP_SPARC_ULTRA3,
+			      __memcpy_ultra3)
+	      IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_ultra1));
+
+  IFUNC_IMPL (i, name, mempcpy,
+	      IFUNC_IMPL_ADD (array, i, mempcpy, hwcap & HWCAP_SPARC_CRYPTO,
+			      __mempcpy_niagara4)
+	      IFUNC_IMPL_ADD (array, i, mempcpy, hwcap & HWCAP_SPARC_N2,
+			      __mempcpy_niagara2)
+	      IFUNC_IMPL_ADD (array, i, mempcpy, hwcap & HWCAP_SPARC_BLKINIT,
+			      __mempcpy_niagara1)
+	      IFUNC_IMPL_ADD (array, i, mempcpy, hwcap & HWCAP_SPARC_ULTRA3,
+			      __mempcpy_ultra3)
+	      IFUNC_IMPL_ADD (array, i, mempcpy, 1, __mempcpy_ultra1));
+
+  IFUNC_IMPL (i, name, bzero,
+	      IFUNC_IMPL_ADD (array, i, bzero, hwcap & HWCAP_SPARC_CRYPTO,
+			      __bzero_niagara4)
+	      IFUNC_IMPL_ADD (array, i, bzero, hwcap & HWCAP_SPARC_BLKINIT,
+			      __bzero_niagara1)
+	      IFUNC_IMPL_ADD (array, i, bzero, 1, __bzero_ultra1));
+
+  IFUNC_IMPL (i, name, memset,
+	      IFUNC_IMPL_ADD (array, i, memset, hwcap & HWCAP_SPARC_CRYPTO,
+			      __memset_niagara4)
+	      IFUNC_IMPL_ADD (array, i, memset, hwcap & HWCAP_SPARC_BLKINIT,
+			      __memset_niagara1)
+	      IFUNC_IMPL_ADD (array, i, memset, 1, __memset_ultra1));
+
+  return i;
+}
diff --git a/sysdeps/sparc/sparc64/multiarch/memcpy.S b/sysdeps/sparc/sparc64/multiarch/memcpy.S
index 50a4088..51cb88c 100644
--- a/sysdeps/sparc/sparc64/multiarch/memcpy.S
+++ b/sysdeps/sparc/sparc64/multiarch/memcpy.S
@@ -1,4 +1,5 @@
 /* Multiple versions of memcpy
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2010, 2011, 2012 Free Software Foundation, Inc.
    Contributed by David S. Miller (davem@davemloft.net)
    This file is part of the GNU C Library.
diff --git a/sysdeps/sparc/sparc64/multiarch/memset.S b/sysdeps/sparc/sparc64/multiarch/memset.S
index 8b3faee..3a637c7 100644
--- a/sysdeps/sparc/sparc64/multiarch/memset.S
+++ b/sysdeps/sparc/sparc64/multiarch/memset.S
@@ -1,4 +1,5 @@
 /* Multiple versions of memset and bzero
+   All versions must be listed in ifunc-impl-list.c.
    Copyright (C) 2010, 2011, 2012 Free Software Foundation, Inc.
    Contributed by David S. Miller (davem@davemloft.net)
    This file is part of the GNU C Library.
-- 
1.7.12.2.dirty