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Diffstat (limited to 'llvm/docs/AMDGPU/gfx12_sendmsg_rtn.rst')
| -rw-r--r-- | llvm/docs/AMDGPU/gfx12_sendmsg_rtn.rst | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/llvm/docs/AMDGPU/gfx12_sendmsg_rtn.rst b/llvm/docs/AMDGPU/gfx12_sendmsg_rtn.rst new file mode 100644 index 0000000..ebb591d --- /dev/null +++ b/llvm/docs/AMDGPU/gfx12_sendmsg_rtn.rst @@ -0,0 +1,30 @@ +.. _amdgpu_synid_sendmsg_rtn: + +sendmsg_rtn +=========== + +An 8-bit value in the instruction to encode the message type. + +This operand may be specified as one of the following: + + * 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. + * A *sendmsg* value described below. + + ==================================== ==================================================== + Sendmsg Value Syntax Description + ==================================== ==================================================== + sendmsg(MSG_RTN_GET_DOORBELL) Get doorbell ID. + sendmsg(MSG_RTN_GET_DDID) Get Draw/Dispatch ID. + sendmsg(MSG_RTN_GET_TMA) Get TMA value. + sendmsg(MSG_RTN_GET_TBA) Get TBA value. + sendmsg(MSG_RTN_GET_REALTIME) Get REALTIME value. + sendmsg(MSG_RTN_SAVE_WAVE) Report that this wave is ready to be context-saved. + ==================================== ==================================================== + +Examples: + +.. parsed-literal:: + + s_sendmsg_rtn_b32 s0, 132 + s_sendmsg_rtn_b32 s0, sendmsg(MSG_GET_REALTIME) + |