From d106235f5eebe280f4f820fc29bb5d8708e2f54d Mon Sep 17 00:00:00 2001
From: Matt Turner <mattst88@gmail.com>
Date: Mon, 23 May 2016 18:10:11 -0700
Subject: Initial import

---
 ev6-clear_page-prefetch_m.S | 54 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 ev6-clear_page-prefetch_m.S

(limited to 'ev6-clear_page-prefetch_m.S')

diff --git a/ev6-clear_page-prefetch_m.S b/ev6-clear_page-prefetch_m.S
new file mode 100644
index 0000000..7b39954
--- /dev/null
+++ b/ev6-clear_page-prefetch_m.S
@@ -0,0 +1,54 @@
+/*
+ * arch/alpha/lib/ev6-clear_page.S
+ *
+ * Zero an entire page.
+ */
+
+        .text
+        .align 4
+        .global clear_page
+        .ent clear_page
+clear_page:
+        .prologue 0
+
+	lda	$0,128
+	lda	$1,125
+	addq	$16,192,$17
+	nop
+
+	lds	$f31,0($16)
+	lds	$f31,64($16)
+	lds	$f31,128($16)
+	nop
+
+1:	lds	$f31,0($17)
+	stq	$31,0($16)
+	subq	$0,1,$0
+	subq	$1,1,$1
+
+	stq	$31,8($16)
+	stq	$31,16($16)
+	addq	$17,64,$2
+	nop
+
+	stq	$31,24($16)
+	stq	$31,32($16)
+	cmovgt	$1,$2,$17
+	nop
+
+	stq	$31,40($16)
+	stq	$31,48($16)
+	nop
+	nop
+
+	stq	$31,56($16)
+	addq	$16,64,$16
+	nop
+	bne	$0,1b
+
+	ret
+	nop
+	nop
+	nop
+
+	.end clear_page
-- 
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