Flat Memory Instructions

126 AMDGPU instructions in this category - showing 26 per page, page 2 of 2 - click any row for encoding, pseudocode, and full documentation.

Mnemonic ⇅	Syntax	Format ⇅	Summary
flat_load_sshort	flat_load_sshort	FLAT	Load 16 bits of signed data from the flat aperture, sign extend to 32 bits and store the result into a vector register.
flat_load_u16	flat_load_u16	FLAT	Load 16 bits of unsigned data from the flat aperture, zero extend to 32 bits and store the result into a vector register.
flat_load_u8	flat_load_u8	FLAT	Load 8 bits of unsigned data from the flat aperture, zero extend to 32 bits and store the result into a vector register.
flat_load_ubyte	flat_load_ubyte	FLAT	Load 8 bits of unsigned data from the flat aperture, zero extend to 32 bits and store the result into a vector register.
flat_load_ubyte_d16	flat_load_ubyte_d16	FLAT	Load 8 bits of unsigned data from the flat aperture, zero extend to 16 bits and store the result into the low 16 bits of a 32-bit vector register.
flat_load_ubyte_d16_hi	flat_load_ubyte_d16_hi	FLAT	Load 8 bits of unsigned data from the flat aperture, zero extend to 16 bits and store the result into the high 16 bits of a 32-bit vector register.
flat_load_ushort	flat_load_ushort	FLAT	Load 16 bits of unsigned data from the flat aperture, zero extend to 32 bits and store the result into a vector register.
flat_prefetch_b8	flat_prefetch_b8	FLAT	AMDGPU FLAT vector instruction operating on b8 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
flat_store_b128	flat_store_b128	FLAT	Store 128 bits of data from vector input registers into the flat aperture.
flat_store_b16	flat_store_b16	FLAT	Store 16 bits of data from a vector register into the flat aperture.
flat_store_b32	flat_store_b32	FLAT	Store 32 bits of data from vector input registers into the flat aperture.
flat_store_b64	flat_store_b64	FLAT	Store 64 bits of data from vector input registers into the flat aperture.
flat_store_b8	flat_store_b8	FLAT	Store 8 bits of data from a vector register into the flat aperture.
flat_store_b96	flat_store_b96	FLAT	Store 96 bits of data from vector input registers into the flat aperture.
flat_store_byte	flat_store_byte	FLAT	Store 8 bits of data from a vector register into the flat aperture.
flat_store_byte_d16_hi	flat_store_byte_d16_hi	FLAT	Store 8 bits of data from the high 16 bits of a 32-bit vector register into the flat aperture.
flat_store_d16_hi_b16	flat_store_d16_hi_b16	FLAT	Store 16 bits of data from the high 16 bits of a 32-bit vector register into the flat aperture.
flat_store_d16_hi_b8	flat_store_d16_hi_b8	FLAT	Store 8 bits of data from the high 16 bits of a 32-bit vector register into the flat aperture.
flat_store_dword	flat_store_dword	FLAT	Store 32 bits of data from vector input registers into the flat aperture.
flat_store_dwordx2	flat_store_dwordx2	FLAT	Store 64 bits of data from vector input registers into the flat aperture.
flat_store_dwordx3	flat_store_dwordx3	FLAT	Store 96 bits of data from vector input registers into the flat aperture.
flat_store_dwordx4	flat_store_dwordx4	FLAT	Store 128 bits of data from vector input registers into the flat aperture.
flat_store_short	flat_store_short	FLAT	Store 16 bits of data from a vector register into the flat aperture.
flat_store_short_d16_hi	flat_store_short_d16_hi	FLAT	Store 16 bits of data from the high 16 bits of a 32-bit vector register into the flat aperture.
tensor_save	tensor_save	FLAT	AMDGPU FLAT vector instruction. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
tensor_stop	tensor_stop	FLAT	AMDGPU FLAT vector instruction. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)