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Merge pull request #3234 from ReinUsesLisp/i2f-u8-selector
shader/conversion: Implement byte selector in I2F
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commit
7be65c6a68
@ -63,12 +63,11 @@ u32 ShaderIR::DecodeConversion(NodeBlock& bb, u32 pc) {
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case OpCode::Id::I2F_R:
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case OpCode::Id::I2F_C:
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case OpCode::Id::I2F_IMM: {
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UNIMPLEMENTED_IF(instr.conversion.int_src.selector != 0);
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UNIMPLEMENTED_IF(instr.conversion.dst_size == Register::Size::Long);
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UNIMPLEMENTED_IF_MSG(instr.generates_cc,
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"Condition codes generation in I2F is not implemented");
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Node value = [&]() {
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Node value = [&] {
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switch (opcode->get().GetId()) {
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case OpCode::Id::I2F_R:
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return GetRegister(instr.gpr20);
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@ -81,7 +80,19 @@ u32 ShaderIR::DecodeConversion(NodeBlock& bb, u32 pc) {
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return Immediate(0);
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}
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}();
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const bool input_signed = instr.conversion.is_input_signed;
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if (instr.conversion.src_size == Register::Size::Byte) {
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const u32 offset = static_cast<u32>(instr.conversion.int_src.selector) * 8;
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if (offset > 0) {
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value = SignedOperation(OperationCode::ILogicalShiftRight, input_signed,
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std::move(value), Immediate(offset));
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}
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} else {
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UNIMPLEMENTED_IF(instr.conversion.int_src.selector != 0);
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}
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value = ConvertIntegerSize(value, instr.conversion.src_size, input_signed);
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value = GetOperandAbsNegInteger(value, instr.conversion.abs_a, false, input_signed);
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value = SignedOperation(OperationCode::FCastInteger, input_signed, PRECISE, value);
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