Vector/Global Memory Instructions

88 AMDGPU instructions in this category - click any row for encoding, pseudocode, and full documentation.

Mnemonic ⇅	Syntax	Format ⇅	Summary
global_atomic_add_f64	global_atomic_add_f64	GLOBAL	Add a double-precision float value in the data register to a location in the global aperture.
global_atomic_add_x2	global_atomic_add_x2	GLOBAL	Add two unsigned 64-bit integer values stored in the data register and a location in the global aperture.
global_atomic_and	global_atomic_and	GLOBAL	Calculate bitwise AND given two unsigned 32-bit integer values stored in the data register and a location in the global aperture.
global_atomic_and_x2	global_atomic_and_x2	GLOBAL	Calculate bitwise AND given two unsigned 64-bit integer values stored in the data register and a location in the global aperture.
global_atomic_cmpswap	global_atomic_cmpswap	GLOBAL	Compare two unsigned 32-bit integer values stored in the data comparison register and a location in the global aperture.
global_atomic_cmpswap_x2	global_atomic_cmpswap_x2	GLOBAL	Compare two unsigned 64-bit integer values stored in the data comparison register and a location in the global aperture.
global_atomic_cond_sub_u32	global_atomic_cond_sub_u32	GLOBAL	Subtract an unsigned 32-bit integer value in the data register from a location in the global aperture only if the memory value is greater than or…
global_atomic_csub	global_atomic_csub	GLOBAL	Subtract an unsigned 32-bit integer location in the global aperture from a value in the data register and clamp the result to zero.
global_atomic_dec	global_atomic_dec	GLOBAL	Decrement an unsigned 32-bit integer value from a location in the global aperture with wraparound to a value in the data register if the decrement…
global_atomic_dec_x2	global_atomic_dec_x2	GLOBAL	Decrement an unsigned 64-bit integer value from a location in the global aperture with wraparound to a value in the data register if the decrement…
global_atomic_fmax_x2	global_atomic_fmax_x2	GLOBAL	Select the maximum of two double-precision float inputs, given two values stored in the data register and a location in the global aperture.
global_atomic_fmin_x2	global_atomic_fmin_x2	GLOBAL	Select the minimum of two double-precision float inputs, given two values stored in the data register and a location in the global aperture.
global_atomic_inc	global_atomic_inc	GLOBAL	Increment an unsigned 32-bit integer value from a location in the global aperture with wraparound to 0 if the value exceeds a value in the data…
global_atomic_inc_x2	global_atomic_inc_x2	GLOBAL	Increment an unsigned 64-bit integer value from a location in the global aperture with wraparound to 0 if the value exceeds a value in the data…
global_atomic_max_f64	global_atomic_max_f64	GLOBAL	Select the maximum of two double-precision float inputs, given two values stored in the data register and a location in the global aperture.
global_atomic_min_f64	global_atomic_min_f64	GLOBAL	Select the minimum of two double-precision float inputs, given two values stored in the data register and a location in the global aperture.
global_atomic_or	global_atomic_or	GLOBAL	Calculate bitwise OR given two unsigned 32-bit integer values stored in the data register and a location in the global aperture.
global_atomic_or_x2	global_atomic_or_x2	GLOBAL	Calculate bitwise OR given two unsigned 64-bit integer values stored in the data register and a location in the global aperture.
global_atomic_ordered_add_b64	global_atomic_ordered_add_b64	GLOBAL	Given an (ID, value) pair in memory, increment the value by a given amount if the ID matches an ID provided by the shader.
global_atomic_pk_add_bf16	global_atomic_pk_add_bf16	GLOBAL	Add a packed 2-component BF16 float value in the data register to a location in the global aperture.
global_atomic_smax	global_atomic_smax	GLOBAL	Select the maximum of two signed 32-bit integer inputs, given two values stored in the data register and a location in the global aperture.
global_atomic_smax_x2	global_atomic_smax_x2	GLOBAL	Select the maximum of two signed 64-bit integer inputs, given two values stored in the data register and a location in the global aperture.
global_atomic_smin	global_atomic_smin	GLOBAL	Select the minimum of two signed 32-bit integer inputs, given two values stored in the data register and a location in the global aperture.
global_atomic_smin_x2	global_atomic_smin_x2	GLOBAL	Select the minimum of two signed 64-bit integer inputs, given two values stored in the data register and a location in the global aperture.
global_atomic_sub	global_atomic_sub	GLOBAL	Subtract an unsigned 32-bit integer value stored in the data register from a value stored in a location in the global aperture.
global_atomic_sub_x2	global_atomic_sub_x2	GLOBAL	Subtract an unsigned 64-bit integer value stored in the data register from a value stored in a location in the global aperture.
global_atomic_swap	global_atomic_swap	GLOBAL	Swap an unsigned 32-bit integer value in the data register with a location in the global aperture.
global_atomic_swap_x2	global_atomic_swap_x2	GLOBAL	Swap an unsigned 64-bit integer value in the data register with a location in the global aperture.
global_atomic_umax	global_atomic_umax	GLOBAL	Select the maximum of two unsigned 32-bit integer inputs, given two values stored in the data register and a location in the global aperture.
global_atomic_umax_x2	global_atomic_umax_x2	GLOBAL	Select the maximum of two unsigned 64-bit integer inputs, given two values stored in the data register and a location in the global aperture.
global_atomic_umin	global_atomic_umin	GLOBAL	Select the minimum of two unsigned 32-bit integer inputs, given two values stored in the data register and a location in the global aperture.
global_atomic_umin_x2	global_atomic_umin_x2	GLOBAL	Select the minimum of two unsigned 64-bit integer inputs, given two values stored in the data register and a location in the global aperture.
global_atomic_xor	global_atomic_xor	GLOBAL	Calculate bitwise XOR given two unsigned 32-bit integer values stored in the data register and a location in the global aperture.
global_atomic_xor_x2	global_atomic_xor_x2	GLOBAL	Calculate bitwise XOR given two unsigned 64-bit integer values stored in the data register and a location in the global aperture.
global_inv	global_inv	GLOBAL	Invalidate cache lines based on the SCOPE field. Increments/decrements LOAD_CNT.
global_load_async_to_lds_b128	global_load_async_to_lds_b128	GLOBAL	AMDGPU GLOBAL vector instruction operating on b128 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
global_load_async_to_lds_b32	global_load_async_to_lds_b32	GLOBAL	AMDGPU GLOBAL vector instruction operating on b32 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
global_load_async_to_lds_b64	global_load_async_to_lds_b64	GLOBAL	AMDGPU GLOBAL vector instruction operating on b64 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
global_load_async_to_lds_b8	global_load_async_to_lds_b8	GLOBAL	AMDGPU GLOBAL vector instruction operating on b8 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
global_load_block	global_load_block	GLOBAL	Load a block of data from the global aperture.
global_load_dword	global_load_dword VDST, VADDR, SADDR, offset	GLOBAL	Load one 32-bit dword per lane from the global address space using a 64-bit per-lane address.
global_load_dword_addtid	global_load_dword_addtid	GLOBAL	Load 32 bits of data from the global aperture into a vector register.
global_load_dwordx2	global_load_dwordx2	GLOBAL	Load 64 bits of data from the global aperture into a vector register.
global_load_dwordx3	global_load_dwordx3	GLOBAL	Load 96 bits of data from the global aperture into a vector register.
global_load_dwordx4	global_load_dwordx4	GLOBAL	Load 128 bits of data from the global aperture into a vector register.
global_load_lds_dword	global_load_lds_dword	GLOBAL	Load 32 bits of untyped data from the global aperture and store the result into a data share.
global_load_lds_dwordx3	global_load_lds_dwordx3	GLOBAL	Untyped buffer load 3 dwords, store result into data share.
global_load_lds_dwordx4	global_load_lds_dwordx4	GLOBAL	Untyped buffer load 4 dwords, store result into data share.
global_load_lds_sbyte	global_load_lds_sbyte	GLOBAL	Load 8 bits of untyped data from the global aperture, sign extend to 32 bits and store the result into a data share.
global_load_lds_sshort	global_load_lds_sshort	GLOBAL	Load 16 bits of untyped data from the global aperture, sign extend to 32 bits and store the result into a data share.
global_load_lds_ubyte	global_load_lds_ubyte	GLOBAL	Load 8 bits of untyped data from the global aperture, zero extend to 32 bits and store the result into a data share.
global_load_lds_ushort	global_load_lds_ushort	GLOBAL	Load 16 bits of untyped data from the global aperture, zero extend to 32 bits and store the result into a data share.
global_load_monitor_b128	global_load_monitor_b128	GLOBAL	AMDGPU GLOBAL vector instruction operating on b128 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
global_load_monitor_b32	global_load_monitor_b32	GLOBAL	AMDGPU GLOBAL vector instruction operating on b32 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
global_load_monitor_b64	global_load_monitor_b64	GLOBAL	AMDGPU GLOBAL vector instruction operating on b64 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
global_load_sbyte	global_load_sbyte	GLOBAL	Load 8 bits of signed data from the global aperture, sign extend to 32 bits and store the result into a vector register.
global_load_sbyte_d16	global_load_sbyte_d16	GLOBAL	Load 8 bits of signed data from the global aperture, sign extend to 16 bits and store the result into the low 16 bits of a 32-bit vector register.
global_load_sbyte_d16_hi	global_load_sbyte_d16_hi	GLOBAL	Load 8 bits of signed data from the global aperture, sign extend to 16 bits and store the result into the high 16 bits of a 32-bit vector register.
global_load_short_d16	global_load_short_d16	GLOBAL	Load 16 bits of unsigned data from the global aperture and store the result into the low 16 bits of a 32-bit vector register.
global_load_short_d16_hi	global_load_short_d16_hi	GLOBAL	Load 16 bits of unsigned data from the global aperture and store the result into the high 16 bits of a 32-bit vector register.
global_load_sshort	global_load_sshort	GLOBAL	Load 16 bits of signed data from the global aperture, sign extend to 32 bits and store the result into a vector register.
global_load_tr4_b64	global_load_tr4_b64	GLOBAL	AMDGPU GLOBAL vector instruction operating on b64 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
global_load_tr6_b96	global_load_tr6_b96	GLOBAL	AMDGPU GLOBAL vector instruction operating on b96 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
global_load_tr_b128	global_load_tr_b128	GLOBAL	Load a 16x16 matrix of 16-bit data from the global aperture, transpose data between row-major and column-major order, and store the result into a…
global_load_tr_b128_w64	global_load_tr_b128_w64	GLOBAL	AMDGPU GLOBAL vector instruction operating on b128 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
global_load_tr_b64	global_load_tr_b64	GLOBAL	Load a 16x16 matrix of 8-bit data from the global aperture, transpose data between row-major and column-major order, and store the result into a…
global_load_tr_b64_w64	global_load_tr_b64_w64	GLOBAL	AMDGPU GLOBAL vector instruction operating on b64 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
global_load_ubyte	global_load_ubyte	GLOBAL	Load 8 bits of unsigned data from the global aperture, zero extend to 32 bits and store the result into a vector register.
global_load_ubyte_d16	global_load_ubyte_d16	GLOBAL	Load 8 bits of unsigned data from the global aperture, zero extend to 16 bits and store the result into the low 16 bits of a 32-bit vector register.
global_load_ubyte_d16_hi	global_load_ubyte_d16_hi	GLOBAL	Load 8 bits of unsigned data from the global aperture, zero extend to 16 bits and store the result into the high 16 bits of a 32-bit vector register.
global_load_ushort	global_load_ushort	GLOBAL	Load 16 bits of unsigned data from the global aperture, zero extend to 32 bits and store the result into a vector register.
global_prefetch_b8	global_prefetch_b8	GLOBAL	AMDGPU GLOBAL vector instruction operating on b8 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
global_store_async_from_lds_b128	global_store_async_from_lds_b128	GLOBAL	AMDGPU GLOBAL vector instruction operating on b128 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
global_store_async_from_lds_b32	global_store_async_from_lds_b32	GLOBAL	AMDGPU GLOBAL vector instruction operating on b32 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
global_store_async_from_lds_b64	global_store_async_from_lds_b64	GLOBAL	AMDGPU GLOBAL vector instruction operating on b64 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
global_store_async_from_lds_b8	global_store_async_from_lds_b8	GLOBAL	AMDGPU GLOBAL vector instruction operating on b8 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
global_store_block	global_store_block	GLOBAL	Store a block of data to the global aperture.
global_store_byte	global_store_byte	GLOBAL	Store 8 bits of data from a vector register into the global aperture.
global_store_byte_d16_hi	global_store_byte_d16_hi	GLOBAL	Store 8 bits of data from the high 16 bits of a 32-bit vector register into the global aperture.
global_store_dword	global_store_dword VADDR, VDATA, SADDR, offset	GLOBAL	Store one 32-bit dword per lane to the global address space using a 64-bit per-lane address.
global_store_dword_addtid	global_store_dword_addtid	GLOBAL	Store 32 bits of data from a vector input register into the global aperture.
global_store_dwordx2	global_store_dwordx2	GLOBAL	Store 64 bits of data from vector input registers into the global aperture.
global_store_dwordx3	global_store_dwordx3	GLOBAL	Store 96 bits of data from vector input registers into the global aperture.
global_store_dwordx4	global_store_dwordx4	GLOBAL	Store 128 bits of data from vector input registers into the global aperture.
global_store_short	global_store_short	GLOBAL	Store 16 bits of data from a vector register into the global aperture.
global_store_short_d16_hi	global_store_short_d16_hi	GLOBAL	Store 16 bits of data from the high 16 bits of a 32-bit vector register into the global aperture.
global_wb	global_wb	GLOBAL	Write back dirty cache lines based on the SCOPE field. Increments/decrements STORE_CNT.
global_wbinv	global_wbinv	GLOBAL	Write back and invalidate cache lines based on the SCOPE field. Increments/decrements STORE_CNT.