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Code Issues Releases Activity

Shader_IR: ICMP corrections and fixes

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This commit is contained in:
Fernando Sahmkow 2019-09-20 11:41:05 -04:00 committed by FernandoS27
parent 4b81d19a1a
commit 527b841c15
2 changed files with 11 additions and 6 deletions
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2
src/video_core/engines/shader_bytecode.h
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@ -1636,6 +1636,7 @@ public:
ICMP_RC,
ICMP_R,
ICMP_CR,
ICMP_IMM,
MUFU, // Multi-Function Operator
RRO_C, // Range Reduction Operator
RRO_R,
@ -1903,6 +1904,7 @@ private:
INST("010100110100----", Id::ICMP_RC, Type::ArithmeticInteger, "ICMP_RC"),
INST("010110110100----", Id::ICMP_R, Type::ArithmeticInteger, "ICMP_R"),
INST("010010110100----", Id::ICMP_CR, Type::ArithmeticInteger, "ICMP_CR"),
INST("0011011-0100----", Id::ICMP_IMM, Type::ArithmeticInteger, "ICMP_IMM"),
INST("0101101111011---", Id::LEA_R2, Type::ArithmeticInteger, "LEA_R2"),
INST("0101101111010---", Id::LEA_R1, Type::ArithmeticInteger, "LEA_R1"),
INST("001101101101----", Id::LEA_IMM, Type::ArithmeticInteger, "LEA_IMM"),

15
src/video_core/shader/decode/arithmetic_integer.cpp
View file

@ -140,11 +140,11 @@ u32 ShaderIR::DecodeArithmeticInteger(NodeBlock& bb, u32 pc) {
}
case OpCode::Id::ICMP_CR:
case OpCode::Id::ICMP_R:
case OpCode::Id::ICMP_RC: {
UNIMPLEMENTED_IF(instr.icmp.is_signed != 0);
case OpCode::Id::ICMP_RC:
case OpCode::Id::ICMP_IMM: {
const Node zero = Immediate(0);
const auto [op_a, op_b] = [&]() -> std::tuple<Node, Node> {
const auto [op_b, test] = [&]() -> std::pair<Node, Node> {
switch (opcode->get().GetId()) {
case OpCode::Id::ICMP_CR:
return {GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset),
@ -154,13 +154,16 @@ u32 ShaderIR::DecodeArithmeticInteger(NodeBlock& bb, u32 pc) {
case OpCode::Id::ICMP_RC:
return {GetRegister(instr.gpr39),
GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset)};
case OpCode::Id::ICMP_IMM:
return {Immediate(instr.alu.GetSignedImm20_20()), GetRegister(instr.gpr39)};
default:
UNIMPLEMENTED();
UNREACHABLE();
return {zero, zero};
}
}();
const Node test = GetRegister(instr.gpr8);
const Node comparison = GetPredicateComparisonInteger(instr.icmp.cond, false, test, zero);
const Node op_a = GetRegister(instr.gpr8);
const Node comparison =
GetPredicateComparisonInteger(instr.icmp.cond, instr.icmp.is_signed != 0, test, zero);
SetRegister(bb, instr.gpr0, Operation(OperationCode::Select, comparison, op_a, op_b));
break;
}