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glasm: Implement global memory fallbacks
This commit is contained in:
ReinUsesLisp
ameerj
parent
0794273870
commit
c721767bcc
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@ -79,17 +79,17 @@ void EmitUndefU8(EmitContext& ctx);
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void EmitUndefU16(EmitContext& ctx);
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void EmitUndefU32(EmitContext& ctx);
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void EmitUndefU64(EmitContext& ctx);
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void EmitLoadGlobalU8(EmitContext& ctx);
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void EmitLoadGlobalS8(EmitContext& ctx);
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void EmitLoadGlobalU16(EmitContext& ctx);
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void EmitLoadGlobalS16(EmitContext& ctx);
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void EmitLoadGlobal32(EmitContext& ctx, Register address);
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void EmitLoadGlobal64(EmitContext& ctx, Register address);
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void EmitLoadGlobal128(EmitContext& ctx, Register address);
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void EmitWriteGlobalU8(EmitContext& ctx);
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void EmitWriteGlobalS8(EmitContext& ctx);
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void EmitWriteGlobalU16(EmitContext& ctx);
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void EmitWriteGlobalS16(EmitContext& ctx);
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void EmitLoadGlobalU8(EmitContext& ctx, IR::Inst& inst, Register address);
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void EmitLoadGlobalS8(EmitContext& ctx, IR::Inst& inst, Register address);
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void EmitLoadGlobalU16(EmitContext& ctx, IR::Inst& inst, Register address);
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void EmitLoadGlobalS16(EmitContext& ctx, IR::Inst& inst, Register address);
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void EmitLoadGlobal32(EmitContext& ctx, IR::Inst& inst, Register address);
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void EmitLoadGlobal64(EmitContext& ctx, IR::Inst& inst, Register address);
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void EmitLoadGlobal128(EmitContext& ctx, IR::Inst& inst, Register address);
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void EmitWriteGlobalU8(EmitContext& ctx, Register address, Register value);
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void EmitWriteGlobalS8(EmitContext& ctx, Register address, Register value);
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void EmitWriteGlobalU16(EmitContext& ctx, Register address, Register value);
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void EmitWriteGlobalS16(EmitContext& ctx, Register address, Register value);
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void EmitWriteGlobal32(EmitContext& ctx, Register address, ScalarU32 value);
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void EmitWriteGlobal64(EmitContext& ctx, Register address, Register value);
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void EmitWriteGlobal128(EmitContext& ctx, Register address, Register value);
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@ -29,8 +29,39 @@ void StorageOp(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
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}
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}
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void GlobalStorageOp(EmitContext& ctx, Register address, std::string_view then_expr,
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std::string_view else_expr = {}) {
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const size_t num_buffers{ctx.info.storage_buffers_descriptors.size()};
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for (size_t index = 0; index < num_buffers; ++index) {
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if (!ctx.info.nvn_buffer_used[index]) {
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continue;
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}
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const auto& ssbo{ctx.info.storage_buffers_descriptors[index]};
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ctx.Add("LDC.U64 DC.x,c[{}];" // ssbo_addr
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"LDC.U32 RC.x,c[{}];" // ssbo_size_u32
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"CVT.U64.U32 DC.y,RC.x;" // ssbo_size = ssbo_size_u32
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"ADD.U64 DC.y,DC.y,DC.x;" // ssbo_end = ssbo_addr + ssbo_size
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"SGE.U64 RC.x,{}.x,DC.x;" // a = input_addr >= ssbo_addr ? -1 : 1
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"SLT.U64 RC.y,{}.x,DC.y;" // b = input_addr < ssbo_end ? -1 : 1
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"AND.U.CC RC.x,RC.x,RC.y;"
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"IF NE.x;" // a && b
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"SUB.U64 DC.x,{}.x,DC.x;" // offset = input_addr - ssbo_addr
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"PK64.U DC.y,c[{}];" // host_ssbo = cbuf
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"ADD.U64 DC.x,DC.x,DC.y;" // host_addr = host_ssbo + offset
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"{}",
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"ELSE;", index, index, ssbo.cbuf_offset, ssbo.cbuf_offset + 8, address, address,
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address, index, then_expr);
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}
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if (!else_expr.empty()) {
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ctx.Add("{}", else_expr);
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}
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for (size_t index = 0; index < num_buffers; ++index) {
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ctx.Add("ENDIF;");
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}
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}
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template <typename ValueType>
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void Store(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset, ValueType value,
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void Write(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset, ValueType value,
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std::string_view size) {
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StorageOp(ctx, binding, offset, fmt::format("STORE.{} {},DC.x;", size, value));
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}
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@ -41,65 +72,73 @@ void Load(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding, ScalarU32
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StorageOp(ctx, binding, offset, fmt::format("LOAD.{} {},DC.x;", size, ret),
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fmt::format("MOV.U {},{{0,0,0,0}};", ret));
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}
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template <typename ValueType>
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void GlobalWrite(EmitContext& ctx, Register address, ValueType value, std::string_view size) {
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GlobalStorageOp(ctx, address, fmt::format("STORE.{} {},DC.x;", size, value));
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}
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void GlobalLoad(EmitContext& ctx, IR::Inst& inst, Register address, std::string_view size) {
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const Register ret{ctx.reg_alloc.Define(inst)};
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GlobalStorageOp(ctx, address, fmt::format("LOAD.{} {},DC.x;", size, ret),
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fmt::format("MOV.S {},0;", ret));
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}
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} // Anonymous namespace
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void EmitLoadGlobalU8([[maybe_unused]] EmitContext& ctx) {
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throw NotImplementedException("GLASM instruction");
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void EmitLoadGlobalU8(EmitContext& ctx, IR::Inst& inst, Register address) {
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GlobalLoad(ctx, inst, address, "U8");
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}
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void EmitLoadGlobalS8([[maybe_unused]] EmitContext& ctx) {
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throw NotImplementedException("GLASM instruction");
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void EmitLoadGlobalS8(EmitContext& ctx, IR::Inst& inst, Register address) {
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GlobalLoad(ctx, inst, address, "S8");
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}
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void EmitLoadGlobalU16([[maybe_unused]] EmitContext& ctx) {
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throw NotImplementedException("GLASM instruction");
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void EmitLoadGlobalU16(EmitContext& ctx, IR::Inst& inst, Register address) {
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GlobalLoad(ctx, inst, address, "U16");
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}
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void EmitLoadGlobalS16([[maybe_unused]] EmitContext& ctx) {
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throw NotImplementedException("GLASM instruction");
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void EmitLoadGlobalS16(EmitContext& ctx, IR::Inst& inst, Register address) {
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GlobalLoad(ctx, inst, address, "S16");
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}
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void EmitLoadGlobal32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register address) {
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throw NotImplementedException("GLASM instruction");
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void EmitLoadGlobal32(EmitContext& ctx, IR::Inst& inst, Register address) {
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GlobalLoad(ctx, inst, address, "U32");
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}
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void EmitLoadGlobal64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register address) {
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throw NotImplementedException("GLASM instruction");
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void EmitLoadGlobal64(EmitContext& ctx, IR::Inst& inst, Register address) {
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GlobalLoad(ctx, inst, address, "U32X2");
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}
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void EmitLoadGlobal128([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register address) {
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throw NotImplementedException("GLASM instruction");
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void EmitLoadGlobal128(EmitContext& ctx, IR::Inst& inst, Register address) {
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GlobalLoad(ctx, inst, address, "U32X4");
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}
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void EmitWriteGlobalU8([[maybe_unused]] EmitContext& ctx) {
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throw NotImplementedException("GLASM instruction");
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void EmitWriteGlobalU8(EmitContext& ctx, Register address, Register value) {
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GlobalWrite(ctx, address, value, "U8");
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}
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void EmitWriteGlobalS8([[maybe_unused]] EmitContext& ctx) {
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throw NotImplementedException("GLASM instruction");
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void EmitWriteGlobalS8(EmitContext& ctx, Register address, Register value) {
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GlobalWrite(ctx, address, value, "S8");
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}
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void EmitWriteGlobalU16([[maybe_unused]] EmitContext& ctx) {
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throw NotImplementedException("GLASM instruction");
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void EmitWriteGlobalU16(EmitContext& ctx, Register address, Register value) {
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GlobalWrite(ctx, address, value, "U16");
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}
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void EmitWriteGlobalS16([[maybe_unused]] EmitContext& ctx) {
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throw NotImplementedException("GLASM instruction");
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void EmitWriteGlobalS16(EmitContext& ctx, Register address, Register value) {
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GlobalWrite(ctx, address, value, "S16");
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}
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void EmitWriteGlobal32([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register address,
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[[maybe_unused]] ScalarU32 value) {
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throw NotImplementedException("GLASM instruction");
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void EmitWriteGlobal32(EmitContext& ctx, Register address, ScalarU32 value) {
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GlobalWrite(ctx, address, value, "U32");
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}
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void EmitWriteGlobal64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register address,
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[[maybe_unused]] Register value) {
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throw NotImplementedException("GLASM instruction");
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void EmitWriteGlobal64(EmitContext& ctx, Register address, Register value) {
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GlobalWrite(ctx, address, value, "U32X2");
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}
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void EmitWriteGlobal128([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register address,
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[[maybe_unused]] Register value) {
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throw NotImplementedException("GLASM instruction");
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void EmitWriteGlobal128(EmitContext& ctx, Register address, Register value) {
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GlobalWrite(ctx, address, value, "U32X4");
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}
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void EmitLoadStorageU8(EmitContext& ctx, IR::Inst& inst, const IR::Value& binding,
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@ -139,37 +178,37 @@ void EmitLoadStorage128(EmitContext& ctx, IR::Inst& inst, const IR::Value& bindi
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void EmitWriteStorageU8(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
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ScalarU32 value) {
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Store(ctx, binding, offset, value, "U8");
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Write(ctx, binding, offset, value, "U8");
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}
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void EmitWriteStorageS8(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
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ScalarS32 value) {
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Store(ctx, binding, offset, value, "S8");
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Write(ctx, binding, offset, value, "S8");
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}
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void EmitWriteStorageU16(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
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ScalarU32 value) {
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Store(ctx, binding, offset, value, "U16");
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Write(ctx, binding, offset, value, "U16");
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}
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void EmitWriteStorageS16(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
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ScalarS32 value) {
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Store(ctx, binding, offset, value, "S16");
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Write(ctx, binding, offset, value, "S16");
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}
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void EmitWriteStorage32(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
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ScalarU32 value) {
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Store(ctx, binding, offset, value, "U32");
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Write(ctx, binding, offset, value, "U32");
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}
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void EmitWriteStorage64(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
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Register value) {
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Store(ctx, binding, offset, value, "U32X2");
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Write(ctx, binding, offset, value, "U32X2");
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}
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void EmitWriteStorage128(EmitContext& ctx, const IR::Value& binding, ScalarU32 offset,
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Register value) {
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Store(ctx, binding, offset, value, "U32X4");
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Write(ctx, binding, offset, value, "U32X4");
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}
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} // namespace Shader::Backend::GLASM
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