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author | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-03-21 07:09:14 +0100 |
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committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-23 03:51:24 +0200 |
commit | c858b8ba97d3ff79dcff0795c1184ee356f2cd1a (patch) | |
tree | a6b0c12aebb276c8a475b206941779d8d1af371d /src/shader_recompiler/frontend/maxwell/translate/impl/double_multiply.cpp | |
parent | shader: Add FP64 register load/store helpers (diff) | |
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Diffstat (limited to 'src/shader_recompiler/frontend/maxwell/translate/impl/double_multiply.cpp')
-rw-r--r-- | src/shader_recompiler/frontend/maxwell/translate/impl/double_multiply.cpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/double_multiply.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/double_multiply.cpp new file mode 100644 index 000000000..3e83d1c95 --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/double_multiply.cpp @@ -0,0 +1,45 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/common_types.h" +#include "shader_recompiler/exception.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/common_encoding.h" +#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h" + +namespace Shader::Maxwell { +namespace { + +void DMUL(TranslatorVisitor& v, u64 insn, const IR::F64& src_b) { + union { + u64 raw; + BitField<0, 8, IR::Reg> dest_reg; + BitField<8, 8, IR::Reg> src_a_reg; + BitField<39, 2, FpRounding> fp_rounding; + BitField<48, 1, u64> neg; + } const dmul{insn}; + + const IR::F64 src_a{v.ir.FPAbsNeg(v.D(dmul.src_a_reg), false, dmul.neg != 0)}; + const IR::FpControl control{ + .no_contraction{true}, + .rounding{CastFpRounding(dmul.fp_rounding)}, + .fmz_mode{IR::FmzMode::None}, + }; + + v.D(dmul.dest_reg, v.ir.FPMul(src_a, src_b, control)); +} +} // Anonymous namespace + +void TranslatorVisitor::DMUL_reg(u64 insn) { + DMUL(*this, insn, GetDoubleReg20(insn)); +} + +void TranslatorVisitor::DMUL_cbuf(u64 insn) { + DMUL(*this, insn, GetDoubleCbuf(insn)); +} + +void TranslatorVisitor::DMUL_imm(u64 insn) { + DMUL(*this, insn, GetDoubleImm20(insn)); +} + +} // namespace Shader::Maxwell |