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Merge pull request #1583 from martin-frbg/issue1575 

Handle INCX=0,INCY=0 case
This commit is contained in:
Martin Kroeker 2018-05-31 21:55:26 +02:00 committed by GitHub
parent 93f1eb09c3 7df8c4f76f
commit 8562d5787a
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 8 additions and 2 deletions
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2
kernel/x86/KERNEL.NEHALEM
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@ -1,3 +1 @@
include $(KERNELDIR)/KERNEL.PENRYN include $(KERNELDIR)/KERNEL.PENRYN
SSWAPKERNEL = ../arm/swap.c
DSWAPKERNEL = ../arm/swap.c

8
kernel/x86/swap.S
View File

@ -138,6 +138,14 @@
/* INCX != 1 or INCY != 1 */ /* INCX != 1 or INCY != 1 */
.L14: .L14:
cmpl $0, %ebx
jne .L141
cmpl $0, %ecx
jne .L141
/* INCX == 0 and INCY == 0 */
jmp .L27
.L141:
movl %edx, %eax movl %edx, %eax
sarl $2, %eax sarl $2, %eax
jle .L28 jle .L28