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path: root/tests/xtensa/test_loop.S
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.include "macros.inc"

test_suite loop

test loop
    movi    a2, 0
    movi    a3, 5
    loop    a3, 1f
    addi    a2, a2, 1
1:
    assert  eqi, a2, 5
test_end

test loop0
    movi    a2, 0
    loop    a2, 1f
    rsr     a2, lcount
    assert  eqi, a2, -1
    j       1f
1:
test_end

test loop_jump
    movi    a2, 0
    movi    a3, 5
    loop    a3, 1f
    addi    a2, a2, 1
    j       1f
1:
    assert  eqi, a2, 1
test_end

test loop_branch
    movi    a2, 0
    movi    a3, 5
    loop    a3, 1f
    addi    a2, a2, 1
    beqi    a2, 3, 1f
1:
    assert  eqi, a2, 3
test_end

test loop_manual
    movi    a2, 0
    movi    a3, 5
    movi    a4, 1f
    movi    a5, 2f
    wsr     a3, lcount
    wsr     a4, lbeg
    wsr     a5, lend
    isync
    j       1f
.align 4
1:
    addi    a2, a2, 1
2:
    assert  eqi, a2, 6
test_end

test loop_excm
    movi    a2, 0
    movi    a3, 5
    rsr     a4, ps
    movi    a5, 0x10
    or      a4, a4, a5
    wsr     a4, ps
    isync
    loop    a3, 1f
    addi    a2, a2, 1
1:
    xor     a4, a4, a5
    isync
    wsr     a4, ps
    assert  eqi, a2, 1
test_end

test_suite_end