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5008972fef
Adds support for the following Thumb2 VFP instructions, via the option MICROPY_EMIT_INLINE_THUMB_FLOAT: vcmp vsqrt vneg vcvt_f32_to_s32 vcvt_s32_to_f32 vmrs vmov vldr vstr vadd vsub vmul vdiv
16 lines
316 B
Python
16 lines
316 B
Python
@micropython.asm_thumb # r0 = (int)(r0*r1/r2)
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def muldiv(r0, r1, r2):
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vmov(s0, r0)
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vcvt_f32_s32(s0, s0)
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vmov(s1, r1)
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vcvt_f32_s32(s1, s1)
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vmov(s2, r2)
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vcvt_f32_s32(s2, s2)
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vmul(s7, s0, s1)
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vdiv(s8, s7, s2)
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vcvt_s32_f32(s31, s8)
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vmov(r0, s31)
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print(muldiv(100, 10, 50))
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