1 files changed, 59 insertions, 0 deletions
diff --git a/lib/libc/powerpc64/string/bcopy_vsx.S b/lib/libc/powerpc64/string/bcopy_vsx.S
new file mode 100644
index 000000000000..f1740d3db7b5
--- /dev/null
+++ b/lib/libc/powerpc64/string/bcopy_vsx.S
@@ -0,0 +1,59 @@
+/*-
+ * Copyright (c) 2018 Instituto de Pesquisas Eldorado
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the author nor the names of its contributors may
+ *    be used to endorse or promote products derived from this software
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef FN_NAME
+#define FN_NAME		__bcopy_vsx
+#endif
+
+/*
+ * r3: dst
+ * r4: src
+ * r5: block increment
+ * r6: blocks to copy
+ * r7/r8/r9/r10: 16-byte offsets to copy
+ */
+
+#define FN_PHASE2 \
+	mtctr	%r6			;\
+	.align 5			;\
+.Lphase2_loop:				;\
+	lxvd2x  %vs6, %r7,  %r4		;\
+	lxvd2x  %vs7, %r8,  %r4		;\
+	lxvd2x  %vs8, %r9,  %r4		;\
+	lxvd2x  %vs9, %r10, %r4		;\
+	stxvd2x %vs6, %r7,  %r3		;\
+	stxvd2x %vs7, %r8,  %r3		;\
+	stxvd2x %vs8, %r9,  %r3		;\
+	stxvd2x %vs9, %r10, %r3		;\
+	/* phase 2 increment */		;\
+	add	%r4, %r4, %r5		;\
+	add	%r3, %r3, %r5		;\
+					 \
+	bdnz	.Lphase2_loop		;\
+
+#include "bcopy.S"