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shader: translate RDNA2 signed 64-bit not-equal comparisons

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This commit is contained in:
nmzik
2026-10-04 04:51:52 +04:00
parent a5eeab98de
commit b8946fef94
7 changed files with 71 additions and 23 deletions
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src/graphics/shader/recompiler/frontend/decode/ShaderDecoder.h
+1
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@@ -446,6 +446,7 @@ enum class Opcode {
V_CMP_EQ_I64,
V_CMP_LT_I64,
V_CMP_LE_I64,
V_CMP_NE_I64,
V_CMP_LT_U64,
V_CMP_EQ_U64,
V_CMP_LE_U64,
src/graphics/shader/recompiler/frontend/decode/VectorAluOps.cpp
+3 -1
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@@ -256,6 +256,7 @@ constexpr VopcOpcodeInfo VOPC_OPCODE_LIST[] = {
{0xc5u, Opcode::V_CMP_NE_U32}, {0xc6u, Opcode::V_CMP_GE_U32},
{0xc7u, Opcode::V_CMP_T_U32}, {0xa2u, Opcode::V_CMP_EQ_I64, false},
{0xa1u, Opcode::V_CMP_LT_I64, false}, {0xa3u, Opcode::V_CMP_LE_I64, false},
{0xa5u, Opcode::V_CMP_NE_I64, false},
{0xb5u, Opcode::V_CMPX_NE_I64, false}, {0xd1u, Opcode::V_CMPX_LT_U32},
{0xd2u, Opcode::V_CMPX_EQ_U32}, {0xd3u, Opcode::V_CMPX_LE_U32},
{0xd4u, Opcode::V_CMPX_GT_U32}, {0xd5u, Opcode::V_CMPX_NE_U32},
@@ -1164,7 +1165,8 @@ VopcSdwaFields DecodeVopcSdwaFields(uint32_t modifier) {
}
bool SupportsVopcSdwa(Opcode opcode) {
return opcode != Opcode::UNSUPPORTED && opcode != Opcode::V_CMP_EQ_F64 &&
return opcode != Opcode::UNSUPPORTED && opcode != Opcode::V_CMP_NE_I64 &&
opcode != Opcode::V_CMP_EQ_F64 &&
opcode != Opcode::V_CMP_LE_F64 && opcode != Opcode::V_CMPX_LE_F64 &&
opcode != Opcode::V_CMPX_GE_F64;
}
src/graphics/shader/recompiler/frontend/translate/Compare.cpp
+1
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@@ -31,6 +31,7 @@ void Translator::EmitIntegerCompare(const Decoder::Instruction& inst, IR::ValueO
const bool signed_64 = opcode == IR::ValueOpcode::SLessThan64 ||
opcode == IR::ValueOpcode::SLessThanEqual64 ||
inst.opcode == Decoder::Opcode::V_CMP_EQ_I64 ||
inst.opcode == Decoder::Opcode::V_CMP_NE_I64 ||
inst.opcode == Decoder::Opcode::V_CMPX_NE_I64;
const auto read = [&](const Decoder::Operand& operand) {
// RDNA2 expands signed 64-bit integer literals by sign extension.
src/graphics/shader/recompiler/frontend/translate/Translate.cpp
+1
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@@ -906,6 +906,7 @@ void IncludeInstructionVectorRegisters(const Decoder::Instruction& inst, uint32_
case Decoder::Opcode::V_CMP_EQ_I64:
case Decoder::Opcode::V_CMP_LT_I64:
case Decoder::Opcode::V_CMP_LE_I64:
case Decoder::Opcode::V_CMP_NE_I64:
case Decoder::Opcode::V_CMP_LT_U64:
case Decoder::Opcode::V_CMP_EQ_U64:
case Decoder::Opcode::V_CMP_LE_U64:
src/graphics/shader/recompiler/frontend/translate/Vector.cpp
+1
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@@ -106,6 +106,7 @@ void Translator::EmitVector(const Decoder::Instruction& inst) {
case O::V_CMP_GT_U64:
EmitIntegerCompare(inst, IR::ValueOpcode::UGreaterThan64, IR::Type::U64, false, false);
return;
case O::V_CMP_NE_I64:
case O::V_CMP_NE_U64:
EmitIntegerCompare(inst, IR::ValueOpcode::INotEqual64, IR::Type::U64, false, false);
return;