[ROCDL] Added matrix load-transpose ops for gfx1250+ #165564
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@@ -321,6 +321,7 @@ def ROCDL_BarrierOp : ROCDL_Op<"barrier"> { | |
| let assemblyFormat = "attr-dict"; | ||
| } | ||
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| def ROCDLGlobalBuffer : LLVM_PointerInAddressSpace<1>; | ||
| def ROCDLBufferLDS : LLVM_PointerInAddressSpace<3>; | ||
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| def ROCDL_BarrierInitOp : ROCDL_IntrOp<"s.barrier.init", [], [], [], 0, 0, 0, 0, [1], ["id"]>, | ||
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@@ -631,8 +632,6 @@ def ROCDL_wmma_i32_16x16x64_iu8 : ROCDL_Wmma_IntrOp<"wmma.i32.16x16x64.iu8", [1] | |
| //===---------------------------------------------------------------------===// | ||
| // LDS transpose intrinsics (available in GFX950) | ||
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| class ROCDL_LDS_Read_Tr_IntrOp<string mnemonic> : | ||
| ROCDL_IntrOp<mnemonic, [1], [], [], 1, 0, 1> { | ||
| dag args = (ins Arg<ROCDLBufferLDS, "", [MemRead]>:$ptr); | ||
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@@ -650,6 +649,58 @@ def ROCDL_ds_read_tr8_b64 : ROCDL_LDS_Read_Tr_IntrOp<"ds.read.tr8.b64">; | |
| def ROCDL_ds_read_tr6_b96 : ROCDL_LDS_Read_Tr_IntrOp<"ds.read.tr6.b96">; | ||
| def ROCDL_ds_read_tr16_b64 : ROCDL_LDS_Read_Tr_IntrOp<"ds.read.tr16.b64">; | ||
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| //===---------------------------------------------------------------------===// | ||
| // Glb/DS load-transpose intrinsics (available in GFX1250+) | ||
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| class AddrKind<string n, int s> { | ||
| string name = n; | ||
| int space = s; | ||
| } | ||
| def GlobalAddrKind : AddrKind<"global", 1>; | ||
| def DSAddrKind : AddrKind<"ds", 3>; | ||
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| class ROCDL_TrLoadOpMeta<AddrKind kind, int inElemBits, int outElemBits> { | ||
| AddrKind addrKind = kind; | ||
| string inBits = !cast<string>(inElemBits); | ||
| string outBits = !cast<string>(outElemBits); | ||
| string inBitsEnc = !if(!eq(addrKind.space, 1), | ||
| !if(!or(!eq(inElemBits, 8), !eq(inElemBits, 16)), "", inBits), inBits); | ||
| string mnemonic = addrKind.name # ".load.tr" # inBitsEnc # ".b" # outBits; | ||
| } | ||
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| class ROCDL_TrLoadOp<ROCDL_TrLoadOpMeta meta> : | ||
| ROCDL_IntrOp<meta.mnemonic, [1], [], [], 1, 0, 1> { | ||
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| dag args = (ins Arg<LLVM_PointerInAddressSpace<meta.addrKind.space>, "", [MemRead]>:$ptr); | ||
| let arguments = !con(args, baseArgs); | ||
| let summary = "Loads and transposes a matrix from " # meta.addrKind.name # " memory to registers (available in gfx1250+)."; | ||
| let description = [{ | ||
| Load a matrix of }] # meta.inBits # [{-bit data from the }] # meta.addrKind.name # [{ memory, | ||
| transpose data between row-major and column-major order, | ||
| and store the result into a }] # meta.outBits # [{-bit vector register. | ||
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Contributor
There was a problem hiding this comment. I'll note these instructions seem generally underdocumented. While this PR may not be the right place for them, can we make a plan for surfacing their exact semantics?
Contributor
Author
There was a problem hiding this comment. @krzysz00, do you mean in the future, right? |
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| Available in gfx1250+. | ||
| }]; | ||
| let assemblyFormat = "$ptr attr-dict `:` qualified(type($ptr)) `->` type($res)"; | ||
| let extraClassDefinition = [{ | ||
| ::llvm::SmallVector<::mlir::Value> $cppClass::getAccessedOperands() { | ||
| return {getPtr()}; | ||
| } | ||
| }]; | ||
| } | ||
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| def ROCDL_GlobalLoadTr4_B64 : ROCDL_TrLoadOp<ROCDL_TrLoadOpMeta<GlobalAddrKind, 4, 64>>; | ||
| def ROCDL_GlobalLoadTr8_B64 : ROCDL_TrLoadOp<ROCDL_TrLoadOpMeta<GlobalAddrKind, 8, 64>>; | ||
| def ROCDL_GlobalLoadTr6_B96 : ROCDL_TrLoadOp<ROCDL_TrLoadOpMeta<GlobalAddrKind, 6, 96>>; | ||
| def ROCDL_GlobalLoadTr8_B128 : ROCDL_TrLoadOp<ROCDL_TrLoadOpMeta<GlobalAddrKind, 16, 128>>; | ||
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| def ROCDL_DsLoadTr4_B64 : ROCDL_TrLoadOp<ROCDL_TrLoadOpMeta<DSAddrKind, 4, 64>>; | ||
| def ROCDL_DsLoadTr8_B64 : ROCDL_TrLoadOp<ROCDL_TrLoadOpMeta<DSAddrKind, 8, 64>>; | ||
| def ROCDL_DsLoadTr6_B96 : ROCDL_TrLoadOp<ROCDL_TrLoadOpMeta<DSAddrKind, 6, 96>>; | ||
| def ROCDL_DsLoadTr16_B128 : ROCDL_TrLoadOp<ROCDL_TrLoadOpMeta<DSAddrKind, 16, 128>>; | ||
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| //===---------------------------------------------------------------------===// | ||
| // Load to LDS intrinsic (available in GFX9 and GFX10) | ||
| //===---------------------------------------------------------------------===// | ||
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Nice!