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diff --git a/library/stdarch/crates/core_arch/MISSING.md b/library/stdarch/crates/core_arch/MISSING.md
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+## The following neon instructions are currently not implemented in stdarch
+
+### Not implemented on arm:
+
+`vcadd_rot270_f32`
+
+`vcadd_rot90_f32`
+
+`vcaddq_rot270_f32`
+
+`vcaddq_rot90_f32`
+
+`vdot_s32`
+
+`vdot_u32`
+
+`vdotq_s32`
+
+`vdotq_u32`
+
+`vdot_lane_s32`
+
+`vdot_lane_u32`
+
+`vdotq_lane_s32`
+
+`vdotq_lane_u32`
+
+`vcmla_f32`
+
+`vcmla_lane_f32`
+
+`vcmla_laneq_f32`
+
+`vcmla_rot180_f32`
+
+`vcmla_rot180_lane_f32`
+
+`vcmla_rot180_laneq_f32`
+
+`vcmla_rot270_f32`
+
+`vcmla_rot270_lane_f32`
+
+`vcmla_rot270_laneq_f32`
+
+`vcmla_rot90_f32`
+
+`vcmla_rot90_lane_f32`
+
+`vcmla_rot90_laneq_f32`
+
+`vcmlaq_f32`
+
+`vcmlaq_lane_f32`
+
+`vcmlaq_laneq_f32`
+
+`vcmlaq_rot180_f32`
+
+`vcmlaq_rot180_lane_f32`
+
+`vcmlaq_rot180_laneq_f32`
+
+`vcmlaq_rot270_f32`
+
+`vcmlaq_rot270_lane_f32`
+
+`vcmlaq_rot270_laneq_f32`
+
+`vcmlaq_rot90_f32`
+
+`vcmlaq_rot90_lane_f32`
+
+`vcmlaq_rot90_laneq_f32`
+
+### Not implemented in LLVM:
+
+`vrnd32x_f64`
+
+`vrnd32xq_f64`
+
+`vrnd32z_f64`
+
+`vrnd32zq_f64`
+
+`vrnd64x_f64`
+
+`vrnd64xq_f64`
+
+`vrnd64z_f64`
+
+`vrnd64zq_f64`
+
+### LLVM Select errors may occur:
+
+`vsudot_lane_s32`
+
+`vsudot_laneq_s32`
+
+`vsudotq_lane_s32`
+
+`vsudotq_laneq_s32`
+
+`vusdot_lane_s32`
+
+`vusdot_laneq_s32`
+
+`vusdot_s32`
+
+`vusdotq_lane_s32`
+
+`vusdotq_laneq_s32`
+
+`vusdotq_s32v`
+