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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 c75f5c634a
commit 719c83a4c2
15 changed files with 79 additions and 75 deletions
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11
src/video_core/shader/decode/conversion.cpp
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@ -33,15 +33,8 @@ u32 ShaderIR::DecodeConversion(BasicBlock& bb, u32 pc) {
value = SignedOperation(OperationCode::ICastUnsigned, output_signed, NO_PRECISE, value);
}
SetInternalFlagsFromInteger(bb, value, instr.generates_cc);
SetRegister(bb, instr.gpr0, value);
if (instr.generates_cc) {
const Node zero_condition =
SignedOperation(OperationCode::LogicalIEqual, output_signed, value, Immediate(0));
SetInternalFlag(bb, InternalFlag::Zero, zero_condition);
LOG_WARNING(HW_GPU, "I2I Condition codes implementation is incomplete.");
}
break;
}
case OpCode::Id::I2F_R:
@ -64,6 +57,7 @@ u32 ShaderIR::DecodeConversion(BasicBlock& bb, u32 pc) {
value = SignedOperation(OperationCode::FCastInteger, input_signed, PRECISE, value);
value = GetOperandAbsNegFloat(value, false, instr.conversion.negate_a);
SetInternalFlagsFromFloat(bb, value, instr.generates_cc);
SetRegister(bb, instr.gpr0, value);
break;
}
@ -103,6 +97,7 @@ u32 ShaderIR::DecodeConversion(BasicBlock& bb, u32 pc) {
}();
value = GetSaturatedFloat(value, instr.alu.saturate_d);
SetInternalFlagsFromFloat(bb, value, instr.generates_cc);
SetRegister(bb, instr.gpr0, value);
break;
}