diff options
Diffstat (limited to 'tests/inlineasm/asmfpsqrt.py')
| -rw-r--r-- | tests/inlineasm/asmfpsqrt.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tests/inlineasm/asmfpsqrt.py b/tests/inlineasm/asmfpsqrt.py new file mode 100644 index 0000000000..f2c2d3a954 --- /dev/null +++ b/tests/inlineasm/asmfpsqrt.py @@ -0,0 +1,15 @@ +# test vsqrt, vneg +@micropython.asm_thumb # r0 = -(int)(sqrt(r0)*r1) +def sqrt_test(r0, r1): + vmov(s1, r0) + vcvt_f32_s32(s1, s1) + vsqrt(s1, s1) + vmov(s2, r1) + vcvt_f32_s32(s2, s2) + vmul(s0, s1, s2) + vneg(s7, s0) + vcvt_s32_f32(s31, s7) + vmov(r0, s31) + +print(sqrt_test(256, 10)) + |