summaryrefslogtreecommitdiff
path: root/tests/inlineasm/rv32/asmstack.py
blob: 9035f87284b391ea1b1810ed5f681b78d952a2b7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
# test stack manipulation


@micropython.asm_rv32
def l():
    li(a2, 3)
    addi(sp, sp, -8)
    li(a0, 0x123)
    sw(a0, 0(sp))
    addi(a1, a0, 0x111)
    sw(a1, 4(sp))
    c_lwsp(a3, 0)
    bne(a3, a0, END)
    addi(a2, a2, -1)
    c_lwsp(a3, 4)
    bne(a3, a1, END)
    addi(a2, a2, -1)
    label(END)
    addi(sp, sp, 8)
    mv(a0, a2)


print(l())


@micropython.asm_rv32
def s():
    li(a2, 3)
    addi(sp, sp, -8)
    li(a0, 0x123)
    c_swsp(a0, 0)
    addi(a1, a0, 0x111)
    c_swsp(a1, 4)
    lw(a3, 0(sp))
    bne(a3, a0, END)
    addi(a2, a2, -1)
    lw(a3, 4(sp))
    bne(a3, a1, END)
    addi(a2, a2, -1)
    label(END)
    addi(sp, sp, 8)
    mv(a0, a2)


print(s())


@micropython.asm_rv32
def a():
    li(a2, 3)
    addi(sp, sp, -8)
    li(a0, 0x123)
    sw(a0, 0(sp))
    addi(a1, a0, 0x111)
    sw(a1, 4(sp))
    c_addi4spn(a3, 4)
    lw(a3, -4(a3))
    bne(a3, a0, END)
    addi(a2, a2, -1)
    label(END)
    addi(sp, sp, 8)
    mv(a0, a2)


print(a())