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Merge pull request #3234 from ReinUsesLisp/i2f-u8-selector

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shader/conversion: Implement byte selector in I2F
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bunnei 2019-12-19 22:36:26 -05:00 committed by GitHub
commit 7be65c6a68
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1 changed files with 13 additions and 2 deletions
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15
src/video_core/shader/decode/conversion.cpp
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@ -63,12 +63,11 @@ u32 ShaderIR::DecodeConversion(NodeBlock& bb, u32 pc) {
case OpCode::Id::I2F_R: case OpCode::Id::I2F_R:
case OpCode::Id::I2F_C: case OpCode::Id::I2F_C:
case OpCode::Id::I2F_IMM: { case OpCode::Id::I2F_IMM: {
UNIMPLEMENTED_IF(instr.conversion.int_src.selector != 0);
UNIMPLEMENTED_IF(instr.conversion.dst_size == Register::Size::Long); UNIMPLEMENTED_IF(instr.conversion.dst_size == Register::Size::Long);
UNIMPLEMENTED_IF_MSG(instr.generates_cc, UNIMPLEMENTED_IF_MSG(instr.generates_cc,
"Condition codes generation in I2F is not implemented"); "Condition codes generation in I2F is not implemented");
Node value = [&]() { Node value = [&] {
switch (opcode->get().GetId()) { switch (opcode->get().GetId()) {
case OpCode::Id::I2F_R: case OpCode::Id::I2F_R:
return GetRegister(instr.gpr20); return GetRegister(instr.gpr20);
@ -81,7 +80,19 @@ u32 ShaderIR::DecodeConversion(NodeBlock& bb, u32 pc) {
return Immediate(0); return Immediate(0);
} }
}(); }();
const bool input_signed = instr.conversion.is_input_signed; const bool input_signed = instr.conversion.is_input_signed;
if (instr.conversion.src_size == Register::Size::Byte) {
const u32 offset = static_cast<u32>(instr.conversion.int_src.selector) * 8;
if (offset > 0) {
value = SignedOperation(OperationCode::ILogicalShiftRight, input_signed,
std::move(value), Immediate(offset));
}
} else {
UNIMPLEMENTED_IF(instr.conversion.int_src.selector != 0);
}
value = ConvertIntegerSize(value, instr.conversion.src_size, input_signed); value = ConvertIntegerSize(value, instr.conversion.src_size, input_signed);
value = GetOperandAbsNegInteger(value, instr.conversion.abs_a, false, input_signed); value = GetOperandAbsNegInteger(value, instr.conversion.abs_a, false, input_signed);
value = SignedOperation(OperationCode::FCastInteger, input_signed, PRECISE, value); value = SignedOperation(OperationCode::FCastInteger, input_signed, PRECISE, value);