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Merge pull request #2081 from ReinUsesLisp/lmem-64

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shader_ir/memory: Add LD_L 64 bits loads
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bunnei 2019-02-05 09:17:48 -05:00 committed by GitHub
commit 72c70d6808
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 45 additions and 14 deletions
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6
src/video_core/engines/shader_bytecode.h
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@ -217,9 +217,9 @@ enum class StoreType : u64 {
Signed8 = 1, Signed8 = 1,
Unsigned16 = 2, Unsigned16 = 2,
Signed16 = 3, Signed16 = 3,
Bytes32 = 4, Bits32 = 4,
Bytes64 = 5, Bits64 = 5,
Bytes128 = 6, Bits128 = 6,
}; };
enum class IMinMaxExchange : u64 { enum class IMinMaxExchange : u64 {

53
src/video_core/shader/decode/memory.cpp
View file

@ -104,19 +104,42 @@ u32 ShaderIR::DecodeMemory(BasicBlock& bb, const BasicBlock& code, u32 pc) {
} }
case OpCode::Id::LD_L: { case OpCode::Id::LD_L: {
UNIMPLEMENTED_IF_MSG(instr.ld_l.unknown == 1, "LD_L Unhandled mode: {}", UNIMPLEMENTED_IF_MSG(instr.ld_l.unknown == 1, "LD_L Unhandled mode: {}",
static_cast<unsigned>(instr.ld_l.unknown.Value())); static_cast<u32>(instr.ld_l.unknown.Value()));
const Node index = Operation(OperationCode::IAdd, GetRegister(instr.gpr8), const auto GetLmem = [&](s32 offset) {
Immediate(static_cast<s32>(instr.smem_imm))); ASSERT(offset % 4 == 0);
const Node lmem = GetLocalMemory(index); const Node immediate_offset = Immediate(static_cast<s32>(instr.smem_imm) + offset);
const Node address = Operation(OperationCode::IAdd, NO_PRECISE, GetRegister(instr.gpr8),
immediate_offset);
return GetLocalMemory(address);
};
switch (instr.ldst_sl.type.Value()) { switch (instr.ldst_sl.type.Value()) {
case Tegra::Shader::StoreType::Bytes32: case Tegra::Shader::StoreType::Bits32:
SetRegister(bb, instr.gpr0, lmem); case Tegra::Shader::StoreType::Bits64:
case Tegra::Shader::StoreType::Bits128: {
const u32 count = [&]() {
switch (instr.ldst_sl.type.Value()) {
case Tegra::Shader::StoreType::Bits32:
return 1;
case Tegra::Shader::StoreType::Bits64:
return 2;
case Tegra::Shader::StoreType::Bits128:
return 4;
default:
UNREACHABLE();
return 0;
}
}();
for (u32 i = 0; i < count; ++i)
SetTemporal(bb, i, GetLmem(i * 4));
for (u32 i = 0; i < count; ++i)
SetRegister(bb, instr.gpr0.Value() + i, GetTemporal(i));
break; break;
}
default: default:
UNIMPLEMENTED_MSG("LD_L Unhandled type: {}", UNIMPLEMENTED_MSG("LD_L Unhandled type: {}",
static_cast<unsigned>(instr.ldst_sl.type.Value())); static_cast<u32>(instr.ldst_sl.type.Value()));
} }
break; break;
} }
@ -202,12 +225,20 @@ u32 ShaderIR::DecodeMemory(BasicBlock& bb, const BasicBlock& code, u32 pc) {
UNIMPLEMENTED_IF_MSG(instr.st_l.unknown == 0, "ST_L Unhandled mode: {}", UNIMPLEMENTED_IF_MSG(instr.st_l.unknown == 0, "ST_L Unhandled mode: {}",
static_cast<u32>(instr.st_l.unknown.Value())); static_cast<u32>(instr.st_l.unknown.Value()));
const Node index = Operation(OperationCode::IAdd, NO_PRECISE, GetRegister(instr.gpr8), const auto GetLmemAddr = [&](s32 offset) {
Immediate(static_cast<s32>(instr.smem_imm))); ASSERT(offset % 4 == 0);
const Node immediate = Immediate(static_cast<s32>(instr.smem_imm) + offset);
return Operation(OperationCode::IAdd, NO_PRECISE, GetRegister(instr.gpr8), immediate);
};
switch (instr.ldst_sl.type.Value()) { switch (instr.ldst_sl.type.Value()) {
case Tegra::Shader::StoreType::Bytes32: case Tegra::Shader::StoreType::Bits128:
SetLocalMemory(bb, index, GetRegister(instr.gpr0)); SetLocalMemory(bb, GetLmemAddr(12), GetRegister(instr.gpr0.Value() + 3));
SetLocalMemory(bb, GetLmemAddr(8), GetRegister(instr.gpr0.Value() + 2));
case Tegra::Shader::StoreType::Bits64:
SetLocalMemory(bb, GetLmemAddr(4), GetRegister(instr.gpr0.Value() + 1));
case Tegra::Shader::StoreType::Bits32:
SetLocalMemory(bb, GetLmemAddr(0), GetRegister(instr.gpr0));
break; break;
default: default:
UNIMPLEMENTED_MSG("ST_L Unhandled type: {}", UNIMPLEMENTED_MSG("ST_L Unhandled type: {}",