xemu/tests/tcg/hexagon/test_hwloops.S

/* Purpose: simple C Program to test hardware loops. */

    .text
    .globl _start

_start:
    {
        loop0(.LBB0_1, #10)
        r2 = #0
    }
.LBB0_1:
    {
        r2 = add(r2, #1)
        nop
    }:endloop0
    {
        p0 = cmp.eq(r2, #10); if (p0.new) jump:t pass
        jump fail
    }