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use shortcut only when both incx and incy are zero

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Martin Kroeker 2023-08-04 12:25:34 +02:00 committed by GitHub
parent c2f4bdbbb4
commit 4664b57e6e
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1 changed files with 2 additions and 2 deletions
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4
kernel/x86_64/zaxpy_sse2.S
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@ -1418,10 +1418,10 @@
movq M, %rax movq M, %rax
//If incx==0 || incy==0, avoid unloop and jump to end. //If incx==0 || incy==0, avoid unloop and jump to end.
cmpq $0, INCX cmpq $0, INCX
je .L58 jne .L59
cmpq $0, INCY cmpq $0, INCY
je .L58 je .L58
.L59:
sarq $3, %rax sarq $3, %rax
jle .L55 jle .L55