diff options
| -rw-r--r-- | assembler/gcd-x86_64-linux.s | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/assembler/gcd-x86_64-linux.s b/assembler/gcd-x86_64-linux.s index 5a76aac..9ea9460 100644 --- a/assembler/gcd-x86_64-linux.s +++ b/assembler/gcd-x86_64-linux.s @@ -109,14 +109,13 @@ _start: xor %rax, %rax gcd_loop: pop %rsi # get next command line argument - # Well, we used all rrgisters, now we DO NEED stack :-) - push %rcx # save argument counter - push %rax # save current GCD + mov %rcx, %r8 # save argument counter + mov %rax, %r9 # save current GCD call str2uint # convert string at rsi to integer at rbx - pop %rax # restore current GCD + mov %r9, %rax # restore current GCD call gcd2 # gcd of rax and rbx (returned by str2uint) # now rax is a GCD - pop %rcx # restore argument counter + mov %r8, %rcx # restore argument counter loop gcd_loop call print # print rax with GCD |