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147
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1 ..
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2 **************************************************
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3 * *
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4 * Automatically generated file, do not edit! *
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5 * *
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6 **************************************************
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7
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8 .. _amdgpu_synid7_waitcnt:
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9
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10 waitcnt
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11 ===========================
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12
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13 Counts of outstanding instructions to wait for.
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14
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15 The bits of this operand have the following meaning:
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16
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17 ============ ======================================================
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18 Bits Description
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19 ============ ======================================================
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20 3:0 VM_CNT: vector memory operations count.
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21 6:4 EXP_CNT: export count.
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22 12:8 LGKM_CNT: LDS, GDS, Constant and Message count.
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23 ============ ======================================================
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24
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25 This operand may be specified as a positive 16-bit :ref:`integer_number<amdgpu_synid_integer_number>`
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26 or as a combination of the following symbolic helpers:
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27
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28 ====================== ======================================================================
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29 Syntax Description
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30 ====================== ======================================================================
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31 vmcnt(<*N*>) VM_CNT value. *N* must not exceed the largest VM_CNT value.
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32 expcnt(<*N*>) EXP_CNT value. *N* must not exceed the largest EXP_CNT value.
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33 lgkmcnt(<*N*>) LGKM_CNT value. *N* must not exceed the largest LGKM_CNT value.
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34 vmcnt_sat(<*N*>) VM_CNT value computed as min(*N*, the largest VM_CNT value).
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35 expcnt_sat(<*N*>) EXP_CNT value computed as min(*N*, the largest EXP_CNT value).
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36 lgkmcnt_sat(<*N*>) LGKM_CNT value computed as min(*N*, the largest LGKM_CNT value).
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37 ====================== ======================================================================
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38
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39 These helpers may be specified in any order. Ampersands and commas may be used as optional separators.
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40
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41 *N* is either an
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42 :ref:`integer number<amdgpu_synid_integer_number>` or an
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43 :ref:`absolute expression<amdgpu_synid_absolute_expression>`.
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44
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45 Examples:
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46
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47 .. parsed-literal::
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48
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49 s_waitcnt 0
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50 s_waitcnt vmcnt(1)
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51 s_waitcnt expcnt(2) lgkmcnt(3)
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52 s_waitcnt vmcnt(1) expcnt(2) lgkmcnt(3)
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53 s_waitcnt vmcnt(1), expcnt(2), lgkmcnt(3)
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54 s_waitcnt vmcnt(1) & lgkmcnt_sat(100) & expcnt(2)
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55
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