Changes between Version 3 and Version 4 of GcnInstrsSmrd


Ignore:
Timestamp:
12/21/15 22:00:19 (8 years ago)
Author:
trac
Comment:

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  • GcnInstrsSmrd

    v3 v4  
    5454For S_BUFFER_LOAD_DWORD</em> instructions, 4 SBASE SGPRs holds a buffer descriptor.
    5555In this case, SBASE must be a multipla of 2.</p>
     56<p>The SMRD instructions can return the resul data out of the order. Any SMRD operation
     57(including S_MEMTIME) increments LGKM_CNT counter. The best way to wait for results
     58is <code>S_WAITCNT LGKMCNT(0)</code>.</p>
     59<ul>
     60<li>LGKM_CNT incremented by one for every fetch of single Dword</li>
     61<li>LGKM_CNT incremented by two for every fetch of two or more Dwords</li>
     62</ul>
    5663<p>List of the instructions by opcode:</p>
    5764<table>