Changes between Version 4 and Version 5 of TBR/UserManual/RTEMS_SIMD_Support


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Timestamp:
Mar 31, 2011, 10:21:36 PM (8 years ago)
Author:
JoelSherrill
Comment:

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  • TBR/UserManual/RTEMS_SIMD_Support

    v4 v5  
    2727Interestingly, PSIM also supports AltiVec and it is straight-forward to (re-)build the psim BSP with AltiVec support enabled:
    2828 *  Edit the file make/custom/psim.cfg in the BSP subdirectory and change the -mcpu=powerpc setting in CPU_CFLAGS to -mcpu=7400. You probably have to do this before running 'configure'. You then simply configure and build RTEMS.
    29  *  On the PSIM side you also have some work to do. First of all, you need to [wiki:File:gdb-7.1-psim-altivec-fixes-1a.diff patch] gdb-7.1 because PSIM's AltiVec support unfortunately has quite a few bugs.
     29 *  On the PSIM side you also have some work to do. First of all, you need to apply the patch [wiki:File:gdb-7.1-psim-altivec-fixes-1a.diff File:gdb-7.1-psim-altivec-fixes-1a.diff] to gdb-7.1 because PSIM's AltiVec support unfortunately has quite a few bugs.
    3030 *  You must rebuild gdb-7.1/psim with altivec support enabled. You request this at configure-time using the configure option --enable-sim-float=altivec=  Using SSE(1/2/3) on i386  =
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