Module amdgpu

Functions

• ballot Returns a bitfield (u32 or u64) containing the result of its i1 argument in all active lanes, and zero in all inactive lanes.
• dispatch_id Returns the id of the dispatch that is currently executed.
• ds_bpermute Gather data across all lanes in a wavefront.
• ds_permute Scatter data across all lanes in a wavefront.
• endpgm Stop execution of the wavefront.
• groupstaticsize Returns the size of statically allocated shared memory for this program in bytes.
• inverse_ballot Indexes into the value with the current lane id and returns for each lane if the corresponding bit is set.
• llvm_ballot
• llvm_dispatch_id
• llvm_ds_bpermute
• llvm_ds_permute
• llvm_endpgm
• llvm_groupstaticsize
• llvm_inverse_ballot
• llvm_mbcnt_hi
• llvm_mbcnt_lo
• llvm_perm
• llvm_permlane16_swap
• llvm_permlane16_u32
• llvm_permlane16_var
• llvm_permlane32_swap
• llvm_permlane64_u32
• llvm_permlanex16_u32
• llvm_permlanex16_var
• llvm_readfirstlane_u32
• llvm_readfirstlane_u64
• llvm_readlane_u32
• llvm_readlane_u64
• llvm_s_barrier
• llvm_s_barrier_signal
• llvm_s_barrier_signal_isfirst
• llvm_s_barrier_wait
• llvm_s_get_barrier_state
• llvm_s_get_waveid_in_workgroup
• llvm_s_getpc
• llvm_s_memrealtime
• llvm_s_sethalt
• llvm_s_sleep
• llvm_sched_barrier
• llvm_sched_group_barrier
• llvm_update_dpp
• llvm_wave_barrier
• llvm_wave_id
• llvm_wave_reduce_add
• llvm_wave_reduce_and
• llvm_wave_reduce_max
• llvm_wave_reduce_min
• llvm_wave_reduce_or
• llvm_wave_reduce_umax
• llvm_wave_reduce_umin
• llvm_wave_reduce_xor
• llvm_wavefrontsize
• llvm_workgroup_id_x
• llvm_workgroup_id_y
• llvm_workgroup_id_z
• llvm_workitem_id_x
• llvm_workitem_id_y
• llvm_workitem_id_z
• llvm_writelane_u32
• llvm_writelane_u64
• mbcnt_hi Masked bit count, high 32 lanes.
• mbcnt_lo Masked bit count, low 32 lanes.
• perm Permute a 64-bit value.
• permlane16_swap Provide direct access to v_permlane16_swap_b32 instruction on supported targets.
• permlane16_u32 Performs arbitrary gather-style operation within a row (16 contiguous lanes) of the second input operand.
• permlane16_var Performs arbitrary gather-style operation within a row (16 contiguous lanes) of the second input operand.
• permlane32_swap Provide direct access to v_permlane32_swap_b32 instruction on supported targets.
• permlane64_u32 Swap value between upper and lower 32 lanes in a wavefront.
• permlanex16_u32 Performs arbitrary gather-style operation across two rows (16 contiguous lanes) of the second input operand.
• permlanex16_var Performs arbitrary gather-style operation across two rows (16 contiguous lanes) of the second input operand.
• readfirstlane_u32 Get value from the first active lane in the wavefront.
• readfirstlane_u64 Get value from the first active lane in the wavefront.
• readlane_u32 Get value from the lane at index lane in the wavefront.
• readlane_u64 Get value from the lane at index lane in the wavefront.
• s_barrier Synchronize all wavefronts in a workgroup.
• s_barrier_signal Signal a specific barrier type.
• s_barrier_signal_isfirst Signal a specific barrier type.
• s_barrier_wait Wait for a specific barrier type.
• s_get_barrier_state Get the state of a specific barrier type.
• s_get_waveid_in_workgroup Get the index of the current wavefront in the workgroup.
• s_getpc Returns the current process counter.
• s_memrealtime Measures time based on a fixed frequency.
• s_sethalt Stop execution of the kernel.
• s_sleep Sleeps for approximately COUNT * 64 cycles.
• sched_barrier Prevent movement of some instruction types.
• sched_group_barrier Creates schedule groups with specific properties to create custom scheduling pipelines.
• update_dpp The update_dpp intrinsic represents the update.dpp operation in AMDGPU. It takes an old value, a source operand, a DPP control operand, a row mask, a bank mask, and a bound control. This operation is equivalent to a sequence of v_mov_b32 operations.
• wave_barrier A barrier for only the threads within the current wavefront.
• wave_id Get the index of the current wavefront in the workgroup.
• wave_reduce_add Performs an arithmetic add reduction on the values provided by each lane in the wavefront.
• wave_reduce_and Performs a logical and reduction on the unsigned values provided by each lane in the wavefront.
• wave_reduce_max Performs an arithmetic max reduction on the signed values provided by each lane in the wavefront.
• wave_reduce_min Performs an arithmetic min reduction on the signed values provided by each lane in the wavefront.
• wave_reduce_or Performs a logical or reduction on the unsigned values provided by each lane in the wavefront.
• wave_reduce_umax Performs an arithmetic max reduction on the unsigned values provided by each lane in the wavefront.
• wave_reduce_umin Performs an arithmetic min reduction on the unsigned values provided by each lane in the wavefront.
• wave_reduce_xor Performs a logical xor reduction on the unsigned values provided by each lane in the wavefront.
• wavefrontsize Returns the number of threads in a wavefront.
• workgroup_id_x Returns the x coordinate of the workgroup index within the dispatch.
• workgroup_id_y Returns the y coordinate of the workgroup index within the dispatch.
• workgroup_id_z Returns the z coordinate of the workgroup index within the dispatch.
• workitem_id_x Returns the x coordinate of the workitem index within the workgroup.
• workitem_id_y Returns the y coordinate of the workitem index within the workgroup.
• workitem_id_z Returns the z coordinate of the workitem index within the workgroup.
• writelane_u32 Return value for the lane at index lane in the wavefront. Return default for all other lanes.
• writelane_u64 Return value for the lane at index lane in the wavefront. Return default for all other lanes.