diff options
Diffstat (limited to 'src/shader_recompiler/frontend/maxwell/translate/impl/condition_code_set.cpp')
-rw-r--r-- | src/shader_recompiler/frontend/maxwell/translate/impl/condition_code_set.cpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/condition_code_set.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/condition_code_set.cpp new file mode 100644 index 000000000..ea0c40a54 --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/condition_code_set.cpp @@ -0,0 +1,54 @@ +// 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/common_funcs.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h" + +namespace Shader::Maxwell { + +void TranslatorVisitor::CSET(u64 insn) { + union { + u64 raw; + BitField<0, 8, IR::Reg> dest_reg; + BitField<8, 5, IR::FlowTest> cc_test; + BitField<39, 3, IR::Pred> bop_pred; + BitField<42, 1, u64> neg_bop_pred; + BitField<44, 1, u64> bf; + BitField<45, 2, BooleanOp> bop; + } const cset{insn}; + + const IR::U32 one_mask{ir.Imm32(-1)}; + const IR::U32 fp_one{ir.Imm32(0x3f800000)}; + const IR::U32 fail_result{ir.Imm32(0)}; + const IR::U32 pass_result{cset.bf == 0 ? one_mask : fp_one}; + const IR::U1 cc_test_result{ir.GetFlowTestResult(cset.cc_test)}; + const IR::U1 bop_pred{ir.GetPred(cset.bop_pred, cset.neg_bop_pred != 0)}; + const IR::U1 pred_result{PredicateCombine(ir, cc_test_result, bop_pred, cset.bop)}; + const IR::U32 result{ir.Select(pred_result, pass_result, fail_result)}; + X(cset.dest_reg, result); +} + +void TranslatorVisitor::CSETP(u64 insn) { + union { + u64 raw; + BitField<0, 3, IR::Pred> dest_pred_b; + BitField<3, 3, IR::Pred> dest_pred_a; + BitField<8, 5, IR::FlowTest> cc_test; + BitField<39, 3, IR::Pred> bop_pred; + BitField<42, 1, u64> neg_bop_pred; + BitField<45, 2, BooleanOp> bop; + } const csetp{insn}; + + const BooleanOp bop{csetp.bop}; + const IR::U1 bop_pred{ir.GetPred(csetp.bop_pred, csetp.neg_bop_pred != 0)}; + const IR::U1 cc_test_result{ir.GetFlowTestResult(csetp.cc_test)}; + const IR::U1 result_a{PredicateCombine(ir, cc_test_result, bop_pred, bop)}; + const IR::U1 result_b{PredicateCombine(ir, ir.LogicalNot(cc_test_result), bop_pred, bop)}; + ir.SetPred(csetp.dest_pred_a, result_a); + ir.SetPred(csetp.dest_pred_b, result_b); +} + +} // namespace Shader::Maxwell |