circuitpython/tests/inlineasm/asmfpaddsub.py
Diego Elio Pettenò dd5d7c86d2 Fix up end of file and trailing whitespace.
This can be enforced by pre-commit, but correct it separately to make it easier to review.
2020-06-03 10:56:35 +01:00

15 lines
310 B
Python

@micropython.asm_thumb # r0 = r0+r1-r2
def add_sub(r0, r1, r2):
vmov(s0, r0)
vcvt_f32_s32(s0, s0)
vmov(s1, r1)
vcvt_f32_s32(s1, s1)
vmov(s2, r2)
vcvt_f32_s32(s2, s2)
vadd(s0, s0, s1)
vsub(s0, s0, s2)
vcvt_s32_f32(s31, s0)
vmov(r0, s31)
print(add_sub(100, 20, 30))