From 91ed4e4450ceabd71493e0bf80e7455df414bebf Mon Sep 17 00:00:00 2001
From: Zhang Xianyi <traits.zhang@gmail.com>
Date: Sun, 23 Dec 2012 23:14:17 +0800
Subject: [PATCH] Refs #171. Prevent loading the dirty number from the buffer
 in sgemv_t x86 kernel.

---
 kernel/x86/gemv_t_sse.S | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/kernel/x86/gemv_t_sse.S b/kernel/x86/gemv_t_sse.S
index c72febe3d..42ed19998 100644
--- a/kernel/x86/gemv_t_sse.S
+++ b/kernel/x86/gemv_t_sse.S
@@ -236,6 +236,20 @@
 	jg	.L06
 	ALIGN_4
 
+//Padding zero to prevent loading the dirty number from buffer.
+	movl	M,  I
+	movl	$8, J
+	andl	$7, I
+	xorps	%xmm0, %xmm0
+	subl	I, J
+	ALIGN_2
+.L07:
+	movss	%xmm0, 0 * SIZE(Y1)
+	addl	$SIZE, Y1
+	decl	J
+	jg	.L07
+	ALIGN_4
+
 .L10:
 	movl	Y, Y1