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authorMarcus Shawcroft <marcus.shawcroft@linaro.org>2013-01-16 13:29:05 +0000
committerMarcus Shawcroft <marcus.shawcroft@linaro.org>2013-01-17 10:56:49 +0000
commit7ac4d962399145b6a913d9d39a38514a7ffc0e9f (patch)
tree10dd1f4997ee7a2f296bbbc79749ed55337cf985
parentc2b6221ed3be421c2f7a8ad32e70ad501340b55b (diff)
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AArch64: Implement optimized bzero.
-rw-r--r--ports/ChangeLog.aarch644
-rw-r--r--ports/sysdeps/aarch64/bzero.S27
2 files changed, 31 insertions, 0 deletions
diff --git a/ports/ChangeLog.aarch64 b/ports/ChangeLog.aarch64
index baee87683a..3f8821c38e 100644
--- a/ports/ChangeLog.aarch64
+++ b/ports/ChangeLog.aarch64
@@ -1,5 +1,9 @@
2013-01-17 Marcus Shawcroft <marcus.shawcroft@linaro.org>
+ * sysdeps/aarch64/bzero.S: New file.
+
+2013-01-17 Marcus Shawcroft <marcus.shawcroft@linaro.org>
+
* sysdeps/aarch64/memmove.S: New file.
2013-01-17 Marcus Shawcroft <marcus.shawcroft@linaro.org>
diff --git a/ports/sysdeps/aarch64/bzero.S b/ports/sysdeps/aarch64/bzero.S
new file mode 100644
index 0000000000..228c0a5f35
--- /dev/null
+++ b/ports/sysdeps/aarch64/bzero.S
@@ -0,0 +1,27 @@
+/* Copyright (C) 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/>. */
+
+#include <sysdep.h>
+
+ .text
+ENTRY(__bzero)
+ mov x2, x1
+ mov x1, xzr
+ b __memset
+END(__bzero)
+weak_alias (__bzero, bzero)