150
+ − 1 ..
+ − 2 **************************************************
+ − 3 * *
+ − 4 * Automatically generated file, do not edit! *
+ − 5 * *
+ − 6 **************************************************
+ − 7
+ − 8 .. _amdgpu_synid10_waitcnt:
+ − 9
+ − 10 waitcnt
+ − 11 ===========================
+ − 12
+ − 13 Counts of outstanding instructions to wait for.
+ − 14
+ − 15 The bits of this operand have the following meaning:
+ − 16
+ − 17 ========== ========= ================================================ ============
+ − 18 High Bits Low Bits Description Value Range
+ − 19 ========== ========= ================================================ ============
+ − 20 15:14 3:0 VM_CNT: vector memory operations count. 0..63
+ − 21 \- 6:4 EXP_CNT: export count. 0..7
+ − 22 \- 11:8 LGKM_CNT: LDS, GDS, Constant and Message count. 0..15
+ − 23 ========== ========= ================================================ ============
+ − 24
+ − 25 This operand may be specified as one of the following:
+ − 26
+ − 27 * An :ref:`integer_number<amdgpu_synid_integer_number>` or an :ref:`absolute_expression<amdgpu_synid_absolute_expression>`. The value must be in the range 0..0xFFFF.
+ − 28 * A combination of *vmcnt*, *expcnt*, *lgkmcnt* and other values described below.
+ − 29
+ − 30 ====================== ======================================================================
+ − 31 Syntax Description
+ − 32 ====================== ======================================================================
+ − 33 vmcnt(<*N*>) A VM_CNT value. *N* must not exceed the largest VM_CNT value.
+ − 34 expcnt(<*N*>) An EXP_CNT value. *N* must not exceed the largest EXP_CNT value.
+ − 35 lgkmcnt(<*N*>) An LGKM_CNT value. *N* must not exceed the largest LGKM_CNT value.
+ − 36 vmcnt_sat(<*N*>) A VM_CNT value computed as min(*N*, the largest VM_CNT value).
+ − 37 expcnt_sat(<*N*>) An EXP_CNT value computed as min(*N*, the largest EXP_CNT value).
+ − 38 lgkmcnt_sat(<*N*>) An LGKM_CNT value computed as min(*N*, the largest LGKM_CNT value).
+ − 39 ====================== ======================================================================
+ − 40
+ − 41 These values may be specified in any order. Spaces, ampersands and commas may be used as optional separators.
+ − 42
+ − 43 *N* is either an
+ − 44 :ref:`integer number<amdgpu_synid_integer_number>` or an
+ − 45 :ref:`absolute expression<amdgpu_synid_absolute_expression>`.
+ − 46
+ − 47 Examples:
+ − 48
+ − 49 .. parsed-literal::
+ − 50
+ − 51 vm_cnt = 1
+ − 52 exp_cnt = 2
+ − 53 lgkm_cnt = 3
+ − 54 cnt = vm_cnt | (exp_cnt << 4) | (lgkm_cnt << 8)
+ − 55
+ − 56 s_waitcnt cnt
+ − 57 s_waitcnt 1 | (2 << 4) | (3 << 8) // the same as above
+ − 58 s_waitcnt vmcnt(1) expcnt(2) lgkmcnt(3) // the same as above
+ − 59 s_waitcnt vmcnt(vm_cnt) expcnt(exp_cnt) lgkmcnt(lgkm_cnt) // the same as above
+ − 60
+ − 61 s_waitcnt vmcnt(1)
+ − 62 s_waitcnt expcnt(2) lgkmcnt(3)
+ − 63 s_waitcnt vmcnt(1), expcnt(2), lgkmcnt(3)
+ − 64 s_waitcnt vmcnt(1) & lgkmcnt_sat(100) & expcnt(2)
