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Add fizzbuzz operand size suffixes

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dwrz
2026-10-22 14:14:59 +00:00
parent b81e48bfa1
commit 1735b80e24
1 changed files with 6 additions and 6 deletions
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fizzbuzz/fizzbuzz.s
+6 -6
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@@ -51,7 +51,7 @@ test_fizz:
div %rbx div %rbx
cmp $0, %rdx # Was the remainder 0? cmp $0, %rdx # Was the remainder 0?
jne test_buzz # If not, test division by 5. jne test_buzz # If not, test division by 5.
add $1, 8(%rsp) # Otherwise, increment the print case. addq $1, 8(%rsp) # Otherwise, increment the print case.
test_buzz: test_buzz:
mov 24(%rsp), %rax # Retrieve the counter again. mov 24(%rsp), %rax # Retrieve the counter again.
movq $5, %rbx # Use 5 as the divisor for "buzz" test. movq $5, %rbx # Use 5 as the divisor for "buzz" test.
@@ -59,7 +59,7 @@ test_buzz:
div %rbx div %rbx
cmp $0, %rdx # Was the remainder 0? cmp $0, %rdx # Was the remainder 0?
jne return_print_case # If not, return. jne return_print_case # If not, return.
add $2, 8(%rsp) # Otherwise, increment the print case by two. addq $2, 8(%rsp) # Otherwise, increment the print case by two.
return_print_case: return_print_case:
mov 8(%rsp), %rax # Put the print case in %rax. mov 8(%rsp), %rax # Put the print case in %rax.
mov %rbp, %rsp mov %rbp, %rsp
@@ -136,13 +136,13 @@ _print:
# %rcx will hold the address of the buffer to be printed. # %rcx will hold the address of the buffer to be printed.
# %rdx will hold the number of bytes to write. # %rdx will hold the number of bytes to write.
# How these are set depends on the print case: # How these are set depends on the print case:
cmp $0, 16(%rsp) cmpq $0, 16(%rsp)
je print_counter je print_counter
cmp $1, 16(%rsp) cmpq $1, 16(%rsp)
je print_fizz je print_fizz
cmp $2, 16(%rsp) cmpq $2, 16(%rsp)
je print_buzz je print_buzz
cmp $3, 16(%rsp) cmpq $3, 16(%rsp)
je print_fizzbuzz je print_fizzbuzz
print_counter: print_counter:
# We need to convert the counter to ASCII. # We need to convert the counter to ASCII.