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fixed a bug in drot whe incx or incy equals to zero.

This commit is contained in:
Xianyi Zhang 2011-02-16 00:18:45 +08:00
parent 1dd1bba66c
commit 84ba64e65b
1 changed files with 4 additions and 0 deletions
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4
kernel/x86_64/rot_sse2.S
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@ -887,6 +887,10 @@
.L50: .L50:
movq N, %rax movq N, %rax
cmpq $0, INCX
je .L56
cmpq $0, INCY
je .L56
sarq $2, %rax sarq $2, %rax
jle .L55 jle .L55
ALIGN_3 ALIGN_3