Add vst neon instructions #1205
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Update stdarch submodule This is mainly to fix the critical issue of aarch64 store intrinsics overwriting additional memory, see rust-lang/stdarch#1220 Changes: * aarch64/armv7: additional vld1/vst1 intrinsics + perf fixes for existing ones * rust-lang/stdarch#1205 * rust-lang/stdarch#1207 * rust-lang/stdarch#1216 * armv7: Make FMA work with vfpv4 and optimize * rust-lang/stdarch#1219 * Non-visible changes to the testing framework * rust-lang/stdarch#1208 * rust-lang/stdarch#1211 * rust-lang/stdarch#1213 * rust-lang/stdarch#1215 * rust-lang/stdarch#1218
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This PR adds vst1* neon instructions which store mutiple vectors as once.