From: Xianyi <traits.zhang@gmail.com>
Date: Thu, 17 Feb 2011 19:00:58 +0000 (+0800)
Subject: fixed #4 csrot & drot returned the wrong result when incx==incy==0 on i686 arch.
X-Git-Tag: v0.1alpha1~24
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bfaa80c3164ae757ef8541f00d30f8300dda5ae0;p=platform%2Fupstream%2Fopenblas.git

fixed #4 csrot & drot returned the wrong result when incx==incy==0 on i686 arch.
---

diff --git a/kernel/x86/rot_sse2.S b/kernel/x86/rot_sse2.S
index 8ec1d44..e9c5ba1 100644
--- a/kernel/x86/rot_sse2.S
+++ b/kernel/x86/rot_sse2.S
@@ -859,6 +859,10 @@
 
 .L50:
 	movl	N,  I
+	cmpl	$0, INCX
+	je  .L56
+	cmpl	$0, INCY
+	je  .L56
 	sarl	$2, I
 	jle	.L55
 	ALIGN_3
diff --git a/kernel/x86/zrot_sse.S b/kernel/x86/zrot_sse.S
index d8d0100..d10183f 100644
--- a/kernel/x86/zrot_sse.S
+++ b/kernel/x86/zrot_sse.S
@@ -1285,6 +1285,12 @@
 
 .L50:
 	movl	N,  I
+//if incx ==0 || incy==0 jump to the tail	
+	cmpl	$0, INCX
+	je  .L56
+	cmpl	$0, INCY
+	je  .L56
+	
 	sarl	$2, I
 	jle	.L55
 	ALIGN_3