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fixed a bug in drot whe incx or incy equals to zero.
authorXianyi Zhang <xianyi@iscas.ac.cn>
Tue, 15 Feb 2011 16:18:45 +0000 (00:18 +0800)
committerXianyi Zhang <xianyi@iscas.ac.cn>
Wed, 16 Feb 2011 15:35:41 +0000 (23:35 +0800)
kernel/x86_64/rot_sse2.S patch | blob | history

diff --git a/kernel/x86_64/rot_sse2.S b/kernel/x86_64/rot_sse2.S
index 5055547..5029403 100644 (file)
--- a/kernel/x86_64/rot_sse2.S
+++ b/kernel/x86_64/rot_sse2.S
@@ -887,6 +887,10 @@
 
 .L50:
        movq    N,  %rax
+       cmpq    $0, INCX
+       je  .L56
+       cmpq    $0, INCY
+       je  .L56
        sarq    $2, %rax
        jle     .L55
        ALIGN_3
Domain: Machine Learning / ML Framework;