circuitpython/tests/inlineasm/asmfpcmp.py

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@micropython.asm_thumb # test vcmp, vmrs
def f(r0, r1):
vmov(s0, r0)
vcvt_f32_s32(s0, s0)
vmov(s1, r1)
vcvt_f32_s32(s1, s1)
vcmp(s1, s0)
vmrs(r0, FPSCR)
mov(r1, 28)
lsr(r0, r1)
print(f(0,1))
print(f(1,1))
print(f(1,0))