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shader_recompiler: add SSA

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nmzik committed 2026-08-18 03:53:41 +02:00
1 parent bc2f077c37
commit b42380ced6
113 files changed
+40415 -32616
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src/graphics/shader/recompiler/ir/ShaderIR.cpp
+27 -14
View File
@@ -32,6 +32,13 @@ Operand MakePcRelativeU32(uint32_t value) {
return operand;
}
Operand MakePcRelativeHighU32(uint32_t value) {
Operand operand;
operand.kind = OperandKind::PcRelativeHighU32;
operand.imm = value;
return operand;
}
bool AppendScalarResultSccNonZero(const Decoder::Instruction& decoded, BasicBlock& block,
std::string* error) {
if (!ScalarResultWritesSccNonZero(decoded.opcode)) {
@@ -74,6 +81,7 @@ uint32_t VectorByteConvertIndex(Decoder::Opcode opcode) {
void CopyOperandModifiers(const Decoder::Operand& decoded, Operand& operand) {
operand.sdwa_sel = decoded.sdwa_sel;
operand.sdwa_dst_unused = decoded.sdwa_dst_unused;
operand.omod = decoded.omod;
operand.sdwa_sext = decoded.sdwa_sext;
operand.op_sel = decoded.op_sel;
@@ -214,17 +222,20 @@ MemoryInfo MemoryInfoFromDecoded(const Decoder::Instruction& decoded, ResourceKi
mem.image_nsa_addr[i] = decoded.image_nsa_addr[i];
}
mem.memory_segment = decoded.memory_segment;
mem.data_signed = decoded.data_signed;
mem.typed = decoded.typed;
mem.formatted = decoded.formatted;
mem.image_has_mip = decoded.opcode == Decoder::Opcode::ImageLoadMip ||
decoded.opcode == Decoder::Opcode::ImageStoreMip;
mem.glc = decoded.glc;
mem.slc = decoded.slc;
mem.idxen = decoded.idxen;
mem.offen = decoded.offen;
mem.resource = ResourceIndexFromOperand(decoded.src1);
mem.sampler = ResourceIndexFromOperand(decoded.src2);
mem.address_is_full =
kind == ResourceKind::Flat || kind == ResourceKind::Scratch ||
(kind == ResourceKind::Global && decoded.src1.kind == Decoder::OperandKind::Vgpr);
mem.data_signed = decoded.data_signed;
mem.typed = decoded.typed;
mem.formatted = decoded.formatted;
mem.image_has_mip = decoded.opcode == Decoder::Opcode::ImageLoadMip ||
decoded.opcode == Decoder::Opcode::ImageStoreMip;
mem.glc = decoded.glc;
mem.slc = decoded.slc;
mem.idxen = decoded.idxen;
mem.offen = decoded.offen;
mem.resource = ResourceIndexFromOperand(decoded.src1);
mem.sampler = ResourceIndexFromOperand(decoded.src2);
if (kind == ResourceKind::Lds || kind == ResourceKind::Gds) {
mem.resource = 0;
mem.sampler = 0;
@@ -246,6 +257,7 @@ uint32_t RawScalarLoadBase(const Decoder::Operand& operand) {
void ClearRegisterOffsetModifiers(Decoder::Operand& operand) {
operand.sdwa_sel = 6;
operand.sdwa_dst_unused = 2;
operand.omod = 0;
operand.sdwa_sext = false;
operand.op_sel = false;
@@ -988,9 +1000,10 @@ bool LowerScalarGetpcB64(const Decoder::Instruction& decoded, BasicBlock& block,
std::string* error) {
for (uint32_t i = 0; i < 2u; i++) {
Instruction inst;
inst.pc = decoded.pc;
inst.op = Opcode::MoveU32;
inst.src[0] = i == 0u ? MakePcRelativeU32(decoded.pc + 4u) : MakeImmediateU32(0u);
inst.pc = decoded.pc;
inst.op = Opcode::MoveU32;
inst.src[0] =
i == 0u ? MakePcRelativeU32(decoded.pc + 4u) : MakePcRelativeHighU32(decoded.pc + 4u);
inst.src_count = 1;
if (!LowerRegisterOperand(OffsetDecodedRegister(decoded.dst, i), inst.dst, error)) {
return false;