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optimize archlab

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This commit is contained in:
18218461270@163.com 2025-08-24 20:07:39 +08:00
parent bdc4667503
commit 55ddbc6b41
1 changed files with 16 additions and 20 deletions
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36
arch/sim/pipe/ncopy.ys
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@ -17,7 +17,7 @@ ncopy:
# You can modify this portion
xorq %rax, %rax
iaddq $0xfffffffffffffff7, %rdx
iaddq $-9, %rdx
jle Remaining
Loop:
@ -83,28 +83,24 @@ F9:
F10:
iaddq $80, %rdi
iaddq $80, %rsi
iaddq $0xfffffffffffffff6, %rdx
iaddq $-10, %rdx
jg Loop
Remaining:
addq %rdx, %rdx
addq %rdx, %rdx
addq %rdx, %rdx
mrmovq JT(%rdx), %rdx
pushq %rdx
ret
.quad Done
.quad J1
.quad J2
.quad J3
.quad J4
.quad J5
.quad J6
.quad J7
.quad J8
JT:
.quad J9
iaddq $8, %rdx
jl Done
je J1
iaddq $-2, %rdx
jl J2
je J3
iaddq $-2, %rdx
jl J4
je J5
iaddq $-2, %rdx
jl J6
je J7
iaddq $-1, %rdx
je J8
J9:
mrmovq 64(%rdi), %r10