circuitpython/tests/inlineasm/asmfpldrstr.py

import array
@micropython.asm_thumb      # test vldr, vstr
def arrayadd(r0):
    vldr(s0, [r0, 0])
    vldr(s1, [r0, 4])
    vadd(s2, s0, s1)
    vstr(s2, [r0, 8])

z = array.array("f", [2, 4, 10])
arrayadd(z)
print(z[2])
py/inlinethumb: Support for core floating point instructions. 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 2015-04-14 08:14:57 -04:00			`import array`
			`@micropython.asm_thumb # test vldr, vstr`
			`def arrayadd(r0):`
			`vldr(s0, [r0, 0])`
py: In inline asm, vldr and vstr offsets now in bytes not words. As per ARM convention. 2015-10-31 05:38:22 -04:00			`vldr(s1, [r0, 4])`
py/inlinethumb: Support for core floating point instructions. 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 2015-04-14 08:14:57 -04:00			`vadd(s2, s0, s1)`
py: In inline asm, vldr and vstr offsets now in bytes not words. As per ARM convention. 2015-10-31 05:38:22 -04:00			`vstr(s2, [r0, 8])`
py/inlinethumb: Support for core floating point instructions. 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 2015-04-14 08:14:57 -04:00
			`z = array.array("f", [2, 4, 10])`
			`arrayadd(z)`
			`print(z[2])`