LDS / Data Share Instructions

230 AMDGPU instructions in this category - showing 30 per page, page 3 of 3 - click any row for encoding, pseudocode, and full documentation.

Mnemonic ⇅	Syntax	Format ⇅	Summary
ds_sub_u64	ds_sub_u64	DS	Subtract an unsigned 64-bit integer value stored in the data register from a value stored in a location in a data share.
ds_swizzle_b32	ds_swizzle_b32	DS	Dword swizzle, no data is written to LDS memory.
ds_wrap_rtn_b32	ds_wrap_rtn_b32	DS	Given a minuend from a location in data share and a subtrahend from a vector register, subtract the two values iff the result is nonnegative…
ds_write2_b32	ds_write2_b32	DS	Store 32 bits of data from one vector input register and then 32 bits of data from a second vector input register into a data share.
ds_write2_b64	ds_write2_b64	DS	Store 64 bits of data from one vector input register and then 64 bits of data from a second vector input register into a data share.
ds_write2st64_b32	ds_write2st64_b32	DS	Store 32 bits of data from one vector input register and then 32 bits of data from a second vector input register into a data share.
ds_write2st64_b64	ds_write2st64_b64	DS	Store 64 bits of data from one vector input register and then 64 bits of data from a second vector input register into a data share.
ds_write_addtid_b32	ds_write_addtid_b32	DS	Store 32 bits of data from a vector input register into a data share.
ds_write_b128	ds_write_b128	DS	Store 128 bits of data from a vector input register into a data share.
ds_write_b16	ds_write_b16	DS	Store 16 bits of data from a vector register into a data share.
ds_write_b16_d16_hi	ds_write_b16_d16_hi	DS	Store 16 bits of data from the high bits of a vector register into a data share.
ds_write_b32	ds_write_b32 ADDR, DATA, offset	DS	Write one 32-bit value per lane to the Local Data Share (LDS).
ds_write_b64	ds_write_b64	DS	Store 64 bits of data from a vector input register into a data share.
ds_write_b8	ds_write_b8	DS	Store 8 bits of data from a vector register into a data share.
ds_write_b8_d16_hi	ds_write_b8_d16_hi	DS	Store 8 bits of data from the high bits of a vector register into a data share.
ds_write_b96	ds_write_b96	DS	Store 96 bits of data from a vector input register into a data share.
ds_write_src2_b32	ds_write_src2_b32	DS	AMDGPU DS vector instruction operating on b32 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
ds_write_src2_b64	ds_write_src2_b64	DS	AMDGPU DS vector instruction operating on b64 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
ds_wrxchg2_rtn_b32	ds_wrxchg2_rtn_b32	DS	Swap two unsigned 32-bit integer values in the data registers with two locations in a data share.
ds_wrxchg2_rtn_b64	ds_wrxchg2_rtn_b64	DS	Swap two unsigned 64-bit integer values in the data registers with two locations in a data share.
ds_wrxchg2st64_rtn_b32	ds_wrxchg2st64_rtn_b32	DS	Swap two unsigned 32-bit integer values in the data registers with two locations in a data share.
ds_wrxchg2st64_rtn_b64	ds_wrxchg2st64_rtn_b64	DS	Swap two unsigned 64-bit integer values in the data registers with two locations in a data share.
ds_wrxchg_rtn_b32	ds_wrxchg_rtn_b32	DS	Swap an unsigned 32-bit integer value in the data register with a location in a data share.
ds_wrxchg_rtn_b64	ds_wrxchg_rtn_b64	DS	Swap an unsigned 64-bit integer value in the data register with a location in a data share.
ds_xor_b32	ds_xor_b32	DS	Calculate bitwise XOR given two unsigned 32-bit integer values stored in the data register and a location in a data share.
ds_xor_b64	ds_xor_b64	DS	Calculate bitwise XOR given two unsigned 64-bit integer values stored in the data register and a location in a data share.
ds_xor_rtn_b32	ds_xor_rtn_b32	DS	Calculate bitwise XOR given two unsigned 32-bit integer values stored in the data register and a location in a data share.
ds_xor_rtn_b64	ds_xor_rtn_b64	DS	Calculate bitwise XOR given two unsigned 64-bit integer values stored in the data register and a location in a data share.
ds_xor_src2_b32	ds_xor_src2_b32	DS	AMDGPU DS vector instruction operating on b32 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)
ds_xor_src2_b64	ds_xor_src2_b64	DS	AMDGPU DS vector instruction operating on b64 data. (Format and name extracted from LLVM's AMDGPU backend source - semantics not yet curated.)