# Comparing arrays of numbers.
== code
# instruction effective address register displacement immediate
# . op subop mod rm32 base index scale r32
# . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes
array-equal?: # a : (addr array int), b : (addr array int) -> eax : boolean
# pseudocode:
# lena = a->length
# if (lena != b->length) return false
# i = 0
# curra = a->data
# currb = b->data
# while i < lena
# i1 = *curra
# i2 = *currb
# if (c1 != c2) return false
# i+=4, curra+=4, currb+=4
# return true
#
# registers:
# i: ecx
# lena: edx
# curra: esi
# currb: edi
# i1: eax
# i2: ebx
#
# . prologue
55/push-ebp
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
# . save registers
51/push-ecx
52/push-edx
53/push-ebx
56/push-esi
57/push-edi
# esi = a
8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 8/disp8 . # copy *(ebp+8) to esi
# edi = b
8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 7/r32/edi 0xc/disp8 . # copy *(ebp+12) to edi
# var lena/edx : int = a->length
8b/copy 0/mod/indirect 6/rm32/esi . . . 2/r32/edx . . # copy *esi to edx
$array-equal?:lengths:
# if (lena != b->length) return false
39/compare 0/mod/indirect 7/rm32/edi . . . 2/r32/edx . . # compare *edi and edx
75/jump-if-not-equal $array-equal?:false/disp8
# var curra/esi : (addr byte) = a->data
81 0/subop/add 3/mod/direct 6/rm32/esi . . . . . 4/imm32 # add to esi
# var currb/edi : (addr byte) = b->data
81 0/subop/add 3/mod/direct 7/rm32/edi . . . . . 4/imm32 # add to edi
# var i/ecx : int = 0
31/xor 3/mod/direct 1/rm32/ecx . . . 1/r32/ecx . . # clear ecx
# var vala/eax : int
# var valb/ebx : int
$array-equal?:loop:
# if (i >= lena) return true
39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx
7d/jump-if-greater-or-equal $array-equal?:true/disp8
# vala = *curra
8b/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy *esi to eax
# valb = *currb
8b/copy 0/mod/indirect 7/rm32/edi . . . 3/r32/ebx . . # copy *edi to ebx
# if (vala != valb) return false
39/compare 3/mod/direct 0/rm32/eax . . . 3/r32/ebx . . # compare eax and ebx
75/jump-if-not-equal $array-equal?:false/disp8
# i += 4
81 0/subop/add 3/mod/direct 1/rm32/ecx . . . . . 4/imm32 # add to ecx
# currs += 4
81 0/subop/add 3/mod/direct 6/rm32/esi . . . . . 4/imm32 # add to esi
# currb += 4
81 0/subop/add 3/mod/direct 7/rm32/edi . . . . . 4/imm32 # add to edi
eb/jump $array-equal?:loop/disp8
$array-equal?:true:
b8/copy-to-eax 1/imm32
eb/jump $array-equal?:end/disp8
$array-equal?:false:
b8/copy-to-eax 0/imm32
$array-equal?:end:
# . restore registers
5f/pop-to-edi
5e/pop-to-esi
5b/pop-to-ebx
5a/pop-to-edx
59/pop-to-ecx
# . epilogue
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
5d/pop-to-ebp
c3/return
test-compare-empty-with-empty-array:
# . prologue
55/push-ebp
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
# var ecx : (array _) = []
68/push 0/imm32/size
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
# var edx : (array _) = []
68/push 0/imm32/size
89/copy 3/mod/direct 2/rm32/edx . . . 4/r32/esp . . # copy esp to edx
# eax = array-equal?(ecx, edx)
# . . push args
52/push-edx
51/push-ecx
# . . call
e8/call array-equal?/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
# check-ints-equal(eax, 1, msg)
# . . push args
68/push "F - test-compare-empty-with-empty-array"/imm32
68/push 1/imm32/true
50/push-eax
# . . call
e8/call check-ints-equal/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
# . epilogue
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
5d/pop-to-ebp
c3/return
test-compare-empty-with-non-empty-array: # also checks length-mismatch code path
# . prologue
55/push-ebp
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
# var ecx : (array int) = [1]
68/push 1/imm32
68/push 4/imm32/size
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
# var edx : (array int) = []
68/push 0/imm32/size
89/copy 3/mod/direct 2/rm32/edx . . . 4/r32/esp . . # copy esp to edx
# eax = array-equal?(ecx, edx)
# . . push args
52/push-edx
51/push-ecx
# . . call
e8/call array-equal?/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
# check-ints-equal(eax, 0, msg)
# . . push args
68/push "F - test-compare-empty-with-non-empty-array"/imm32
68/push 0/imm32/false
50/push-eax
# . . call
e8/call check-ints-equal/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
# . epilogue
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
5d/pop-to-ebp
c3/return
test-compare-equal-arrays:
# . prologue
55/push-ebp
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
# var ecx : (array int) = [1, 2, 3]
68/push 3/imm32
68/push 2/imm32
68/push 1/imm32
68/push 0xc/imm32/size
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
# var edx : (array int) = [1, 2, 3]
68/push 3/imm32
68/push 2/imm32
68/push 1/imm32
68/push 0xc/imm32/size
89/copy 3/mod/direct 2/rm32/edx . . . 4/r32/esp . . # copy esp to edx
# eax = array-equal?(ecx, edx)
# . . push args
52/push-edx
51/push-ecx
# . . call
e8/call array-equal?/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
# check-ints-equal(eax, 1, msg)
# . . push args
68/push "F - test-compare-equal-arrays"/imm32
68/push 1/imm32/true
50/push-eax
# . . call
e8/call check-ints-equal/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
# . epilogue
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
5d/pop-to-ebp
c3/return
test-compare-inequal-arrays-equal-lengths:
# . prologue
55/push-ebp
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
# var ecx : (array int) = [1, 4, 3]
68/push 3/imm32
68/push 4/imm32
68/push 1/imm32
68/push 0xc/imm32/size
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
# var edx : (array int) = [1, 2, 3]
68/push 3/imm32
68/push 2/imm32
68/push 1/imm32
68/push 0xc/imm32/size
89/copy 3/mod/direct 2/rm32/edx . . . 4/r32/esp . . # copy esp to edx
# eax = array-equal?(ecx, edx)
# . . push args
52/push-edx
51/push-ecx
# . . call
e8/call array-equal?/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
# check-ints-equal(eax, 0, msg)
# . . push args
68/push "F - test-compare-inequal-arrays-equal-lengths"/imm32
68/push 0/imm32/false
50/push-eax
# . . call
e8/call check-ints-equal/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
# . epilogue
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
5d/pop-to-ebp
c3/return
parse-array-of-ints: # ad : (addr allocation-descriptor), s : (addr string) -> result/eax : (handle array int)
# pseudocode
# end = &s->data[s->length]
# curr = s->data
# size = 0
# while true
# if (curr >= end) break
# curr = skip-chars-matching-in-slice(curr, end, ' ')
# if (curr >= end) break
# curr = skip-chars-not-matching-in-slice(curr, end, ' ')
# ++size
# result = allocate(ad, (size+1)*4)
# result->size = (size+1)*4
# var slice : slice = {s->data, 0}
# out = result->data
# while true
# if (slice->start >= end) break
# slice->start = skip-chars-matching-in-slice(slice->start, end, ' ')
# if (slice->start >= end) break
# slice->end = skip-chars-not-matching-in-slice(slice->start, end, ' ')
# *out = parse-hex-int(slice)
# out += 4
# slice->start = slice->end
# return result
#
# . prologue
55/push-ebp
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
# . save registers
51/push-ecx
52/push-edx
53/push-ebx
56/push-esi
57/push-edi
# esi = s
8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 0xc/disp8 . # copy *(ebp+12) to esi
# var curr/ecx : (addr byte) = s->data
8d/copy-address 1/mod/*+disp8 6/rm32/esi . . . 1/r32/ecx 4/disp8 . # copy esi+4 to ecx
# var end/edx : (addr byte) = &s->data[s->length]
# . edx = s->length
8b/copy 0/mod/indirect 6/rm32/esi . . . 2/r32/edx . . # copy *esi to edx
# . edx += curr
01/add 3/mod/direct 2/rm32/edx . . . 1/r32/ecx . . # add ecx to edx
# var size/ebx : int = 0
31/xor 3/mod/direct 3/rm32/ebx . . . 3/r32/ebx . . # clear ebx
$parse-array-of-ints:loop1:
# if (curr >= end) break
39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx
73/jump-if-greater-or-equal-unsigned $parse-array-of-ints:break1/disp8
# curr = skip-chars-matching-in-slice(curr, end, ' ')
# . eax = skip-chars-matching-in-slice(curr, end, ' ')
# . . push args
68/push 0x20/imm32/space
52/push-edx
51/push-ecx
# . . call
e8/call skip-chars-matching-in-slice/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
# . ecx = eax
89/copy 3/mod/direct 1/rm32/ecx . . . 0/r32/eax . . # copy eax to ecx
# if (curr >= end) break
39/compare 3/mod/direct 1/rm32/ecx . . . 2/r32/edx . . # compare ecx with edx
73/jump-if-greater-or-equal-unsigned $parse-array-of-ints:break1/disp8
# curr = skip-chars-not-matching-in-slice(curr, end, ' ')
# . eax = skip-chars-not-matching-in-slice(curr, end, ' ')
# . . push args
68/push 0x20/imm32/space
52/push-edx
51/push-ecx
# . . call
e8/call skip-chars-not-matching-in-slice/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
# . ecx = eax
89/copy 3/mod/direct 1/rm32/ecx . . . 0/r32/eax . . # copy eax to ecx
# size += 4
81 0/subop/add 3/mod/direct 3/rm32/ebx . . . . . 4/imm32 # add to ebx
eb/jump $parse-array-of-ints:loop1/disp8
$parse-array-of-ints:break1:
# var result/edi : (handle array int) = allocate(ad, size+4)
# . eax = allocate(ad, size+4)
# . . push args
89/copy 3/mod/direct 0/rm32/eax . . . 3/r32/ebx . . # copy ebx to eax
05/add-to-eax 4/imm32
50/push-eax
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
# . . call
e8/call allocate/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
# . edi = eax
89/copy 3/mod/direct 7/rm32/edi . . . 0/r32/eax . . # copy eax to edi
# result->size = size
89/copy 0/mod/indirect 0/rm32/eax . . . 3/r32/ebx . . # copy ebx to *eax
$parse-array-of-ints:pass2:
# var slice/ecx : slice = {s->data, 0}
# . push 0
68/push 0/imm32/end
# . push s->data
8d/copy-address 1/mod/*+disp8 6/rm32/esi . . . 1/r32/ecx 4/disp8 . # copy esi+4 to ecx
51/push-ecx
# . bookmark
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
# var out/ebx : (addr byte) = result->data
8d/copy-address 1/mod/*+disp8 0/rm32/eax . . . 3/r32/ebx 4/disp8 . # copy eax+4 to ebx
$parse-array-of-ints:loop2:
# if (slice->start >= end) break
39/compare 0/mod/indirect 1/rm32/ecx . . . 2/r32/edx . . # compare *ecx with edx
73/jump-if-greater-or-equal-unsigned $parse-array-of-ints:end/disp8
# slice->start = skip-chars-matching-in-slice(slice->start, end, ' ')
# . eax = skip-chars-matching-in-slice(slice->start, end, ' ')
# . . push args
68/push 0x20/imm32/space
52/push-edx
ff 6/subop/push 0/mod/indirect 1/rm32/ecx . . . . . . # push *ecx
# . . call
e8/call skip-chars-matching-in-slice/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
# . slice->start = eax
89/copy 0/mod/indirect 1/rm32/ecx . . . 0/r32/eax . . # copy eax to *ecx
# if (slice->start >= end) break
39/compare 0/mod/indirect 1/rm32/ecx . . . 2/r32/edx . . # compare *ecx with edx
73/jump-if-greater-or-equal-unsigned $parse-array-of-ints:end/disp8
# slice->end = skip-chars-not-matching-in-slice(slice->start, end, ' ')
# . eax = skip-chars-not-matching-in-slice(curr, end, ' ')
# . . push args
68/push 0x20/imm32/space
52/push-edx
50/push-eax
# . . call
e8/call skip-chars-not-matching-in-slice/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
# . slice->end = eax
89/copy 1/mod/direct 1/rm32/ecx . . . 0/r32/eax 4/disp8 . # copy eax to *(ecx+4)
# *out = parse-hex-int(slice)
# . eax = parse-hex-int(slice)
# . . push args
51/push-ecx
# . . call
e8/call parse-hex-int/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp
# . *out = eax
89/copy 0/mod/indirect 3/rm32/ebx . . . 0/r32/eax . . # copy eax to *ebx
# out += 4
81 0/subop/add 3/mod/direct 3/rm32/ebx . . . . . 4/imm32 # add to ebx
# slice->start = slice->end
8b/copy 1/mod/direct 1/rm32/ecx . . . 0/r32/eax 4/disp8 . # copy *(ecx+4) to eax
89/copy 0/mod/indirect 1/rm32/ecx . . . 0/r32/eax . . # copy eax to *ecx
81 0/subop/add 3/mod/direct 1/rm32/ecx . . . . . 4/imm32 # add to ecx
eb/jump $parse-array-of-ints:loop2/disp8
$parse-array-of-ints:end:
# return edi
89/copy 3/mod/direct 0/rm32/eax . . . 7/r32/edi . . # copy edi to eax
# . reclaim locals
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
# . restore registers
5f/pop-to-edi
5e/pop-to-esi
5b/pop-to-ebx
5a/pop-to-edx
59/pop-to-ecx
# . epilogue
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
5d/pop-to-ebp
c3/return
test-parse-array-of-ints:
# . prologue
55/push-ebp
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
# var ecx : (array int) = [1, 2, 3]
68/push 3/imm32
68/push 2/imm32
68/push 1/imm32
68/push 0xc/imm32/size
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
# eax = parse-array-of-ints(Heap, "1 2 3")
# . . push args
68/push "1 2 3"/imm32
68/push Heap/imm32
# . . call
e8/call parse-array-of-ints/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
# eax = array-equal?(ecx, eax)
# . . push args
50/push-eax
51/push-ecx
# . . call
e8/call array-equal?/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
# check-ints-equal(eax, 1, msg)
# . . push args
68/push "F - test-parse-array-of-ints"/imm32
68/push 1/imm32/true
50/push-eax
# . . call
e8/call check-ints-equal/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
# . epilogue
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
5d/pop-to-ebp
c3/return
test-parse-array-of-ints-empty:
# - empty string = empty array
# . prologue
55/push-ebp
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
# eax = parse-array-of-ints(Heap, "")
# . . push args
68/push ""/imm32
68/push Heap/imm32
# . . call
e8/call parse-array-of-ints/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
# check-ints-equal(*eax, 0, msg)
# . . push args
68/push "F - test-parse-array-of-ints-empty"/imm32
68/push 0/imm32/size
ff 6/subop/push 0/mod/indirect 0/rm32/eax . . . . . . # push *eax
# . . call
e8/call check-ints-equal/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
# . epilogue
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
5d/pop-to-ebp
c3/return
test-parse-array-of-ints-just-whitespace:
# - just whitespace = empty array
# . prologue
55/push-ebp
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
# eax = parse-array-of-ints(Heap, " ")
# . . push args
68/push Space/imm32
68/push Heap/imm32
# . . call
e8/call parse-array-of-ints/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
# check-ints-equal(*eax, 0, msg)
# . . push args
68/push "F - test-parse-array-of-ints-empty"/imm32
68/push 0/imm32/size
ff 6/subop/push 0/mod/indirect 0/rm32/eax . . . . . . # push *eax
# . . call
e8/call check-ints-equal/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
# . epilogue
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
5d/pop-to-ebp
c3/return
test-parse-array-of-ints-extra-whitespace:
# . prologue
55/push-ebp
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
# var ecx : (array int) = [1, 2, 3]
68/push 3/imm32
68/push 2/imm32
68/push 1/imm32
68/push 0xc/imm32/size
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
# eax = parse-array-of-ints(Heap, " 1 2 3 ")
# . . push args
68/push " 1 2 3 "/imm32
68/push Heap/imm32
# . . call
e8/call parse-array-of-ints/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
# eax = array-equal?(ecx, eax)
# . . push args
50/push-eax
51/push-ecx
# . . call
e8/call array-equal?/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
# check-ints-equal(eax, 1, msg)
# . . push args
68/push "F - test-parse-array-of-ints-extra-whitespace"/imm32
68/push 1/imm32/true
50/push-eax
# . . call
e8/call check-ints-equal/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
# . epilogue
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
5d/pop-to-ebp
c3/return
# helper for later tests
# compare an array with a string representation of an array literal
check-array-equal: # a : (addr array int), expected : (addr string), msg : (addr string)
# . prologue
55/push-ebp
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
# . save registers
50/push-eax
# var b/ecx : (handle array int) = parse-array-of-ints(Heap, expected)
# . eax = parse-array-of-ints(Heap, expected)
# . . push args
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12)
68/push Heap/imm32
# . . call
e8/call parse-array-of-ints/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
# . b = eax
89/copy 3/mod/direct 1/rm32/ecx . . . 0/r32/eax . . # copy eax to ecx
# eax = array-equal?(a, b)
# . . push args
51/push-ecx
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8)
# . . call
e8/call array-equal?/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
# check-ints-equal(eax, 1, msg)
# . . push args
ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0x10/disp8 . # push *(ebp+16)
68/push 1/imm32
50/push-eax
# . . call
e8/call check-ints-equal/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp
$check-array-equal:end:
# . restore registers
58/pop-to-eax
# . epilogue
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
5d/pop-to-ebp
c3/return
test-check-array-equal:
# . prologue
55/push-ebp
89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp
# var ecx : (array int) = [1, 2, 3]
68/push 3/imm32
68/push 2/imm32
68/push 1/imm32
68/push 0xc/imm32/size
89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx
# check-array-equal(ecx, "1 2 3", "msg")
# . . push args
68/push "F - test-check-array-equal"/imm32
68/push "1 2 3"/imm32
51/push-ecx
# . . call
e8/call check-array-equal/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp
# . epilogue
89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp
5d/pop-to-ebp
c3/return
# . . vim:nowrap:textwidth=0