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• add okra/dist/bin (from the simulator build above) to $PATH and to $LD_LIBRARY_PATH
• download the patch from the hsail backend webrev to graal which is under review http://cr.openjdk.java.net/~twisti/GRAAL-342/webrev/graal-hsail.patch
• hg clone http://hg.openjdk.java.net/graal/graal
• cd graal (or whatever you named the clone you just made before)
• hg update -r a11e3d681eb1  (the version of the graal trunk that the HSAIL backend patch was derived from)
• apply the patch
• Build graal using the command "mx --vm server build product".
• The following command runs a single junit test (the one that is described in Vasanth's HSAIL compiler blog).  The command should be run on a single line, it has line breaks here for readability:
  
  • mx --vm server unittest @-G:-RemoveNeverExecutedCode  --J
    @-Dsun.boot.library.path=$LD_LIBRARY_PATH
    @-Xms1g @-Xmx1g @XX:-UseCompressedOops
    hsail.test.IntSquaredTest
    • The -RemoveNeverExecutedCode directive is there because the current HSAIL backend cannot handle the deoptimization that would be required when a previously never executed path is then taken.
    • The -UseCompressedOops is there because the support for compressed Oops in the HSAIL backend is still in progress.
• By removing the specifier IntSquaredTest from the above command line, you can run all the junit tests in the hsail.test directory.

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