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author | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-02-25 02:31:15 +0100 |
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committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-23 03:51:22 +0200 |
commit | 8810c88b7e3de2766bf47e07e941fb2c58c6b4b0 (patch) | |
tree | 73619b1563eefc7103687de8e78bcf3f750812f7 /src/shader_recompiler/frontend/maxwell/translate/impl/select_source_with_predicate.cpp | |
parent | spirv: Move phi arguments emit to a separate function (diff) | |
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Diffstat (limited to 'src/shader_recompiler/frontend/maxwell/translate/impl/select_source_with_predicate.cpp')
-rw-r--r-- | src/shader_recompiler/frontend/maxwell/translate/impl/select_source_with_predicate.cpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/select_source_with_predicate.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/select_source_with_predicate.cpp new file mode 100644 index 000000000..25fc6b437 --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/select_source_with_predicate.cpp @@ -0,0 +1,44 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/bit_field.h" +#include "common/common_types.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h" + +namespace Shader::Maxwell { +namespace { + +void SEL(TranslatorVisitor& v, u64 insn, const IR::U32& src) { + union { + u64 raw; + BitField<0, 8, IR::Reg> dest_reg; + BitField<8, 8, IR::Reg> op_a; + BitField<39, 3, IR::Pred> pred; + BitField<42, 1, u64> neg_pred; + } const sel{insn}; + + const IR::U1 pred = v.ir.GetPred(sel.pred); + IR::U32 op_a{v.X(sel.op_a)}; + IR::U32 op_b{src}; + if (sel.neg_pred != 0) { + std::swap(op_a, op_b); + } + const IR::U32 result{v.ir.Select(pred, op_a, op_b)}; + + v.X(sel.dest_reg, result); +} +} // Anonymous namespace + +void TranslatorVisitor::SEL_reg(u64 insn) { + SEL(*this, insn, GetReg20(insn)); +} + +void TranslatorVisitor::SEL_cbuf(u64 insn) { + SEL(*this, insn, GetCbuf(insn)); +} + +void TranslatorVisitor::SEL_imm(u64 insn) { + SEL(*this, insn, GetImm20(insn)); +} +} // namespace Shader::Maxwell |