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shader_decode: Improve zero flag implementation

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This commit is contained in:
ReinUsesLisp 2018-12-27 16:50:36 -03:00
parent d911740e5d
commit 2d6c064e66
15 changed files with 79 additions and 75 deletions
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14
src/video_core/shader/decode/shift.cpp
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@ -31,22 +31,20 @@ u32 ShaderIR::DecodeShift(BasicBlock& bb, u32 pc) {
case OpCode::Id::SHR_C:
case OpCode::Id::SHR_R:
case OpCode::Id::SHR_IMM: {
UNIMPLEMENTED_IF_MSG(instr.generates_cc,
"Condition codes generation in SHR is not implemented");
const Node value = SignedOperation(OperationCode::IArithmeticShiftRight,
instr.shift.is_signed, PRECISE, op_a, op_b);
SetInternalFlagsFromInteger(bb, value, instr.generates_cc);
SetRegister(bb, instr.gpr0, value);
break;
}
case OpCode::Id::SHL_C:
case OpCode::Id::SHL_R:
case OpCode::Id::SHL_IMM:
UNIMPLEMENTED_IF_MSG(instr.generates_cc,
"Condition codes generation in SHL is not implemented");
SetRegister(bb, instr.gpr0,
Operation(OperationCode::ILogicalShiftLeft, PRECISE, op_a, op_b));
case OpCode::Id::SHL_IMM: {
const Node value = Operation(OperationCode::ILogicalShiftLeft, PRECISE, op_a, op_b);
SetInternalFlagsFromInteger(bb, value, instr.generates_cc);
SetRegister(bb, instr.gpr0, value);
break;
}
default:
UNIMPLEMENTED_MSG("Unhandled shift instruction: {}", opcode->get().GetName());
}