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Save/restore rdi to r10 instead of stack in strcat(),puts()

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Kwarde
2025-06-24 15:06:21 +02:00
parent f4162ed21a
commit f10b2f3c88
2 changed files with 4 additions and 8 deletions
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6
console.asm
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@ -27,11 +27,9 @@ puts:
push rbp push rbp
mov rbp, rsp mov rbp, rsp
push rdi mov r10, rdi
sub rsp, 8
call print call print
add rsp, 8 mov rdi, r10
pop rdi
mov rax, 1 mov rax, 1
mov rdi, 1 mov rdi, 1
mov rsi, NL mov rsi, NL

6
string.asm
View File

@ -54,13 +54,11 @@ strcat:
push rbp push rbp
mov rbp, rsp mov rbp, rsp
push rdi mov r10, rdi
sub rsp, 8
call strlen call strlen
add rdi, rax add rdi, rax
call strcpy call strcpy
add rsp, 8 mov rax, r10
pop rax
leave leave
ret ret