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PUBLIC Baseline_Add
PUBLIC Baseline_Sub
.CODE
ALIGN 8
Baseline_Add PROC
lea rdx, [rdx+8*rcx]
lea r8, [r8+8*rcx]
lea r9, [r9+8*rcx]
neg rcx ; rcx is negative index
jz $1@Baseline_Add
mov rax,[r8+8*rcx]
add rax,[r9+8*rcx]
mov [rdx+8*rcx],rax
$0@Baseline_Add:
mov rax,[r8+8*rcx+8]
adc rax,[r9+8*rcx+8]
mov [rdx+8*rcx+8],rax
lea rcx,[rcx+2] ; advance index, avoid inc which causes slowdown on Intel Core 2
jrcxz $1@Baseline_Add ; loop until rcx overflows and becomes zero
mov rax,[r8+8*rcx]
adc rax,[r9+8*rcx]
mov [rdx+8*rcx],rax
jmp $0@Baseline_Add
$1@Baseline_Add:
mov rax, 0
adc rax, rax ; store carry into rax (return result register)
ret
Baseline_Add ENDP
ALIGN 8
Baseline_Sub PROC
lea rdx, [rdx+8*rcx]
lea r8, [r8+8*rcx]
lea r9, [r9+8*rcx]
neg rcx ; rcx is negative index
jz $1@Baseline_Sub
mov rax,[r8+8*rcx]
sub rax,[r9+8*rcx]
mov [rdx+8*rcx],rax
$0@Baseline_Sub:
mov rax,[r8+8*rcx+8]
sbb rax,[r9+8*rcx+8]
mov [rdx+8*rcx+8],rax
lea rcx,[rcx+2] ; advance index, avoid inc which causes slowdown on Intel Core 2
jrcxz $1@Baseline_Sub ; loop until rcx overflows and becomes zero
mov rax,[r8+8*rcx]
sbb rax,[r9+8*rcx]
mov [rdx+8*rcx],rax
jmp $0@Baseline_Sub
$1@Baseline_Sub:
mov rax, 0
adc rax, rax ; store carry into rax (return result register)
ret
Baseline_Sub ENDP
_TEXT ENDS
END
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