PowerQUICC ProcessorsのトピックRe: I am using MPC8461D. The software prefetch instructions included in Altivec instructions are vec_dst, vec_dstst, vec_dststt, vec_dstt. I am not able to get a clear idea how these instructions help in prefetching the data and how the caches L1 and L2 https://community.nxp.com/t5/PowerQUICC-Processors/I-am-using-MPC8461D-The-software-prefetch-instructions-included/m-p/722349#M2263 <HTML><HEAD></HEAD><BODY><P>If the question is related to particular (Altivec) instructions, than please look e600 Core Reference Manual, Section 7.1.2.3 "Data Stream Touch Instructions" for start.</P><P></P><P>Here is a direct link to this document:</P><P></P><P><A href="https://www.nxp.com/docs/en/reference-manual/E600CORERM.pdf">https://www.nxp.com/docs/en/reference-manual/E600CORERM.pdf</A></P><P><BR />Have a great day,<BR />Alexander<BR />TIC</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Tue, 27 Mar 2018 13:53:21 GMT alexander_yakov 2018-03-27T13:53:21Z I am using MPC8461D. The software prefetch instructions included in Altivec instructions are vec_dst, vec_dstst, vec_dststt, vec_dstt. I am not able to get a clear idea how these instructions help in prefetching the data and how the caches L1 and L2 are https://community.nxp.com/t5/PowerQUICC-Processors/I-am-using-MPC8461D-The-software-prefetch-instructions-included/m-p/722348#M2262 <HTML><HEAD></HEAD><BODY><P>I am not able to get a clear idea how these instructions help in prefetching the data and how the caches L1 and L2 are being used.</P><P>Please help me with the working of these instructions.</P></BODY></HTML> Thu, 22 Mar 2018 06:24:16 GMT https://community.nxp.com/t5/PowerQUICC-Processors/I-am-using-MPC8461D-The-software-prefetch-instructions-included/m-p/722348#M2262 snehaljadhav 2018-03-22T06:24:16Z Re: I am using MPC8461D. The software prefetch instructions included in Altivec instructions are vec_dst, vec_dstst, vec_dststt, vec_dstt. I am not able to get a clear idea how these instructions help in prefetching the data and how the caches L1 and L2 https://community.nxp.com/t5/PowerQUICC-Processors/I-am-using-MPC8461D-The-software-prefetch-instructions-included/m-p/722349#M2263 <HTML><HEAD></HEAD><BODY><P>If the question is related to particular (Altivec) instructions, than please look e600 Core Reference Manual, Section 7.1.2.3 "Data Stream Touch Instructions" for start.</P><P></P><P>Here is a direct link to this document:</P><P></P><P><A href="https://www.nxp.com/docs/en/reference-manual/E600CORERM.pdf">https://www.nxp.com/docs/en/reference-manual/E600CORERM.pdf</A></P><P><BR />Have a great day,<BR />Alexander<BR />TIC</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Tue, 27 Mar 2018 13:53:21 GMT https://community.nxp.com/t5/PowerQUICC-Processors/I-am-using-MPC8461D-The-software-prefetch-instructions-included/m-p/722349#M2263 alexander_yakov 2018-03-27T13:53:21Z