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Merge pull request #2802 from ReinUsesLisp/hsetp2-pred 

half_set_predicate: Fix HSETP2 predicate assignments
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David 2019-09-05 12:26:39 +10:00 committed by GitHub
parent 14d8c1b594 dfae2d141a
commit d34fa7c4fa
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1 changed files with 9 additions and 10 deletions
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19
src/video_core/shader/decode/half_set_predicate.cpp
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@ -42,9 +42,8 @@ u32 ShaderIR::DecodeHalfSetPredicate(NodeBlock& bb, u32 pc) {
cond = instr.hsetp2.reg.cond; cond = instr.hsetp2.reg.cond;
h_and = instr.hsetp2.reg.h_and; h_and = instr.hsetp2.reg.h_and;
op_b = op_b =
UnpackHalfFloat(GetOperandAbsNegHalf(GetRegister(instr.gpr20), instr.hsetp2.reg.abs_b, GetOperandAbsNegHalf(UnpackHalfFloat(GetRegister(instr.gpr20), instr.hsetp2.reg.type_b),
instr.hsetp2.reg.negate_b), instr.hsetp2.reg.abs_b, instr.hsetp2.reg.negate_b);
instr.hsetp2.reg.type_b);
break; break;
default: default:
UNREACHABLE(); UNREACHABLE();
@ -52,22 +51,22 @@ u32 ShaderIR::DecodeHalfSetPredicate(NodeBlock& bb, u32 pc) {
} }
const OperationCode combiner = GetPredicateCombiner(instr.hsetp2.op); const OperationCode combiner = GetPredicateCombiner(instr.hsetp2.op);
const Node combined_pred = GetPredicate(instr.hsetp2.pred3, instr.hsetp2.neg_pred); const Node combined_pred = GetPredicate(instr.hsetp2.pred39, instr.hsetp2.neg_pred);
const auto Write = [&](u64 dest, Node src) { const auto Write = [&](u64 dest, Node src) {
SetPredicate(bb, dest, Operation(combiner, std::move(src), combined_pred)); SetPredicate(bb, dest, Operation(combiner, std::move(src), combined_pred));
}; };
const Node comparison = GetPredicateComparisonHalf(cond, op_a, op_b); const Node comparison = GetPredicateComparisonHalf(cond, op_a, op_b);
const u64 first = instr.hsetp2.pred0; const u64 first = instr.hsetp2.pred3;
const u64 second = instr.hsetp2.pred39; const u64 second = instr.hsetp2.pred0;
if (h_and) { if (h_and) {
const Node joined = Operation(OperationCode::LogicalAnd2, comparison); Node joined = Operation(OperationCode::LogicalAnd2, comparison);
Write(first, joined); Write(first, joined);
Write(second, Operation(OperationCode::LogicalNegate, joined)); Write(second, Operation(OperationCode::LogicalNegate, std::move(joined)));
} else { } else {
Write(first, Operation(OperationCode::LogicalPick2, comparison, Immediate(0u))); Write(first, Operation(OperationCode::LogicalPick2, comparison, Immediate(0U)));
Write(second, Operation(OperationCode::LogicalPick2, comparison, Immediate(1u))); Write(second, Operation(OperationCode::LogicalPick2, comparison, Immediate(1U)));
} }
return pc; return pc;